/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.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product32.cil.c


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


This is Ultimate 0.1.25-79ed534
[2020-07-20 00:59:06,370 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-20 00:59:06,372 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 00:59:06,384 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 00:59:06,385 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 00:59:06,386 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 00:59:06,387 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 00:59:06,389 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 00:59:06,391 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 00:59:06,392 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 00:59:06,393 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 00:59:06,394 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 00:59:06,394 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 00:59:06,396 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 00:59:06,397 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 00:59:06,398 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 00:59:06,399 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 00:59:06,400 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 00:59:06,402 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 00:59:06,404 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 00:59:06,406 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 00:59:06,407 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 00:59:06,409 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 00:59:06,410 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 00:59:06,413 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 00:59:06,413 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 00:59:06,414 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 00:59:06,415 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 00:59:06,415 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 00:59:06,416 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 00:59:06,417 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 00:59:06,418 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 00:59:06,419 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 00:59:06,419 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 00:59:06,421 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 00:59:06,421 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 00:59:06,422 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 00:59:06,422 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 00:59:06,423 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 00:59:06,424 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 00:59:06,424 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 00:59:06,425 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-07-20 00:59:06,441 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-20 00:59:06,441 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 00:59:06,443 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 00:59:06,443 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-20 00:59:06,443 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-20 00:59:06,444 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 00:59:06,444 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-20 00:59:06,444 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-20 00:59:06,444 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-20 00:59:06,444 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-20 00:59:06,445 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 00:59:06,445 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 00:59:06,445 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 00:59:06,445 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-20 00:59:06,445 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-20 00:59:06,445 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-20 00:59:06,446 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-20 00:59:06,446 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 00:59:06,446 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-20 00:59:06,446 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-20 00:59:06,446 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-20 00:59:06,447 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 00:59:06,447 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 00:59:06,447 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 00:59:06,447 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 00:59:06,448 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-20 00:59:06,448 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 00:59:06,448 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 00:59:06,448 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-20 00:59:06,448 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM
[2020-07-20 00:59:06,725 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 00:59:06,744 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 00:59:06,750 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 00:59:06,751 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-20 00:59:06,752 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-20 00:59:06,753 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product32.cil.c
[2020-07-20 00:59:06,839 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d893e3411/b03d71dd2e194fd2bd23561bfa3a4c02/FLAGe1c3e6fd4
[2020-07-20 00:59:07,418 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-20 00:59:07,420 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product32.cil.c
[2020-07-20 00:59:07,433 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d893e3411/b03d71dd2e194fd2bd23561bfa3a4c02/FLAGe1c3e6fd4
[2020-07-20 00:59:07,655 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d893e3411/b03d71dd2e194fd2bd23561bfa3a4c02
[2020-07-20 00:59:07,664 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 00:59:07,666 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 00:59:07,667 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 00:59:07,669 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 00:59:07,672 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 00:59:07,673 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:59:07" (1/1) ...
[2020-07-20 00:59:07,676 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44cb9560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:07, skipping insertion in model container
[2020-07-20 00:59:07,677 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:59:07" (1/1) ...
[2020-07-20 00:59:07,685 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-20 00:59:07,728 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-20 00:59:08,023 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 00:59:08,036 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-20 00:59:08,240 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 00:59:08,271 INFO  L208         MainTranslator]: Completed translation
[2020-07-20 00:59:08,272 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:08 WrapperNode
[2020-07-20 00:59:08,272 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 00:59:08,272 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 00:59:08,272 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 00:59:08,273 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 00:59:08,283 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:08" (1/1) ...
[2020-07-20 00:59:08,283 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:08" (1/1) ...
[2020-07-20 00:59:08,303 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:08" (1/1) ...
[2020-07-20 00:59:08,303 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:08" (1/1) ...
[2020-07-20 00:59:08,352 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:08" (1/1) ...
[2020-07-20 00:59:08,363 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:08" (1/1) ...
[2020-07-20 00:59:08,369 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:08" (1/1) ...
[2020-07-20 00:59:08,389 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 00:59:08,390 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 00:59:08,390 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 00:59:08,390 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-20 00:59:08,391 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:08" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 00:59:08,461 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 00:59:08,461 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 00:59:08,461 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-07-20 00:59:08,462 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-07-20 00:59:08,462 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-07-20 00:59:08,462 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-07-20 00:59:08,462 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-07-20 00:59:08,462 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-07-20 00:59:08,462 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-07-20 00:59:08,463 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-07-20 00:59:08,463 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-07-20 00:59:08,463 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-07-20 00:59:08,463 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2020-07-20 00:59:08,463 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-07-20 00:59:08,464 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor
[2020-07-20 00:59:08,464 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-07-20 00:59:08,464 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-07-20 00:59:08,464 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-07-20 00:59:08,464 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-07-20 00:59:08,464 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-07-20 00:59:08,465 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-07-20 00:59:08,465 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-07-20 00:59:08,465 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-07-20 00:59:08,465 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-07-20 00:59:08,465 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-07-20 00:59:08,465 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-07-20 00:59:08,466 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-07-20 00:59:08,466 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-07-20 00:59:08,466 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 00:59:08,466 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-07-20 00:59:08,466 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-07-20 00:59:08,466 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-07-20 00:59:08,466 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-07-20 00:59:08,467 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-07-20 00:59:08,467 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-07-20 00:59:08,467 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-07-20 00:59:08,467 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-07-20 00:59:08,467 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-07-20 00:59:08,467 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-07-20 00:59:08,468 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-07-20 00:59:08,468 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-07-20 00:59:08,468 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 00:59:08,468 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 00:59:08,468 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-07-20 00:59:08,468 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-07-20 00:59:08,469 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-07-20 00:59:08,469 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-07-20 00:59:08,469 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-07-20 00:59:08,469 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-20 00:59:08,469 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-20 00:59:08,470 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-07-20 00:59:08,470 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-20 00:59:08,470 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-07-20 00:59:08,470 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-20 00:59:08,470 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-07-20 00:59:08,471 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-07-20 00:59:08,471 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-07-20 00:59:08,471 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-07-20 00:59:08,471 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-07-20 00:59:08,471 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-20 00:59:08,472 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-07-20 00:59:08,472 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-07-20 00:59:08,472 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-07-20 00:59:08,472 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-07-20 00:59:08,472 INFO  L130     BoogieDeclarations]: Found specification of procedure stopSystem
[2020-07-20 00:59:08,472 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-07-20 00:59:08,473 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-07-20 00:59:08,473 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-07-20 00:59:08,473 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-07-20 00:59:08,473 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-07-20 00:59:08,473 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-07-20 00:59:08,473 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-07-20 00:59:08,474 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-07-20 00:59:08,474 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-07-20 00:59:08,474 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-07-20 00:59:08,474 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-07-20 00:59:08,474 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-07-20 00:59:08,475 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-07-20 00:59:08,475 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-07-20 00:59:08,475 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-07-20 00:59:08,475 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2020-07-20 00:59:08,475 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-07-20 00:59:08,475 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor
[2020-07-20 00:59:08,476 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-07-20 00:59:08,476 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-07-20 00:59:08,476 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-07-20 00:59:08,476 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-07-20 00:59:08,476 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-07-20 00:59:08,476 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-07-20 00:59:08,476 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-07-20 00:59:08,477 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-20 00:59:08,477 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-07-20 00:59:08,477 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-07-20 00:59:08,477 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 00:59:08,477 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-07-20 00:59:08,477 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 00:59:09,810 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 00:59:09,810 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-20 00:59:09,819 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:59:09 BoogieIcfgContainer
[2020-07-20 00:59:09,819 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 00:59:09,821 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 00:59:09,821 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 00:59:09,824 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-20 00:59:09,825 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:59:07" (1/3) ...
[2020-07-20 00:59:09,826 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b09e1c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:59:09, skipping insertion in model container
[2020-07-20 00:59:09,827 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:08" (2/3) ...
[2020-07-20 00:59:09,827 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b09e1c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:59:09, skipping insertion in model container
[2020-07-20 00:59:09,828 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:59:09" (3/3) ...
[2020-07-20 00:59:09,830 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product32.cil.c
[2020-07-20 00:59:09,842 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-07-20 00:59:09,855 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 00:59:09,872 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 00:59:09,912 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-20 00:59:09,912 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-20 00:59:09,912 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-07-20 00:59:09,912 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 00:59:09,913 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 00:59:09,913 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-20 00:59:09,914 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 00:59:09,914 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 00:59:09,945 INFO  L276                IsEmpty]: Start isEmpty. Operand 186 states.
[2020-07-20 00:59:09,959 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2020-07-20 00:59:09,960 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 00:59:09,961 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 00:59:09,961 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 00:59:09,966 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 00:59:09,966 INFO  L82        PathProgramCache]: Analyzing trace with hash 628645976, now seen corresponding path program 1 times
[2020-07-20 00:59:09,974 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM
[2020-07-20 00:59:09,974 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452319506]
[2020-07-20 00:59:09,974 INFO  L95    rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4f1a962a
[2020-07-20 00:59:10,202 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:10,635 WARN  L193               SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-07-20 00:59:10,647 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:10,727 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:10,733 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:10,738 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:10,742 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:10,744 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:10,746 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:10,748 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:10,764 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 00:59:10,765 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452319506]
[2020-07-20 00:59:10,766 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 00:59:10,767 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 00:59:10,767 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854818286]
[2020-07-20 00:59:10,773 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 00:59:10,774 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM
[2020-07-20 00:59:10,788 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 00:59:10,789 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 00:59:10,792 INFO  L87              Difference]: Start difference. First operand 186 states. Second operand 3 states.
[2020-07-20 00:59:12,056 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 00:59:12,056 INFO  L93              Difference]: Finished difference Result 314 states and 413 transitions.
[2020-07-20 00:59:12,057 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 00:59:12,059 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 52
[2020-07-20 00:59:12,059 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 00:59:12,074 INFO  L225             Difference]: With dead ends: 314
[2020-07-20 00:59:12,074 INFO  L226             Difference]: Without dead ends: 170
[2020-07-20 00:59:12,079 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 00:59:12,098 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 170 states.
[2020-07-20 00:59:12,173 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 135.
[2020-07-20 00:59:12,175 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 135 states.
[2020-07-20 00:59:12,178 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 160 transitions.
[2020-07-20 00:59:12,182 INFO  L78                 Accepts]: Start accepts. Automaton has 135 states and 160 transitions. Word has length 52
[2020-07-20 00:59:12,183 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 00:59:12,183 INFO  L479      AbstractCegarLoop]: Abstraction has 135 states and 160 transitions.
[2020-07-20 00:59:12,184 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 00:59:12,184 INFO  L276                IsEmpty]: Start isEmpty. Operand 135 states and 160 transitions.
[2020-07-20 00:59:12,192 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-07-20 00:59:12,194 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 00:59:12,194 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 00:59:12,194 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-07-20 00:59:12,194 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 00:59:12,195 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 00:59:12,195 INFO  L82        PathProgramCache]: Analyzing trace with hash 364620848, now seen corresponding path program 1 times
[2020-07-20 00:59:12,195 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM
[2020-07-20 00:59:12,196 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375212236]
[2020-07-20 00:59:12,196 INFO  L95    rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4f1a962a
[2020-07-20 00:59:12,256 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:12,546 WARN  L193               SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-07-20 00:59:12,552 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:12,576 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:12,578 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:12,579 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:12,581 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:12,582 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:12,584 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:12,586 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:12,593 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 00:59:12,594 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375212236]
[2020-07-20 00:59:12,594 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 00:59:12,594 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-07-20 00:59:12,595 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803116710]
[2020-07-20 00:59:12,597 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-07-20 00:59:12,597 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM
[2020-07-20 00:59:12,597 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-07-20 00:59:12,597 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-07-20 00:59:12,598 INFO  L87              Difference]: Start difference. First operand 135 states and 160 transitions. Second operand 4 states.
[2020-07-20 00:59:13,030 WARN  L193               SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-07-20 00:59:13,933 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 00:59:13,933 INFO  L93              Difference]: Finished difference Result 237 states and 292 transitions.
[2020-07-20 00:59:13,933 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-07-20 00:59:13,934 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 53
[2020-07-20 00:59:13,934 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 00:59:13,938 INFO  L225             Difference]: With dead ends: 237
[2020-07-20 00:59:13,938 INFO  L226             Difference]: Without dead ends: 154
[2020-07-20 00:59:13,940 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-07-20 00:59:13,940 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 154 states.
[2020-07-20 00:59:14,000 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 126.
[2020-07-20 00:59:14,001 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 126 states.
[2020-07-20 00:59:14,002 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 148 transitions.
[2020-07-20 00:59:14,002 INFO  L78                 Accepts]: Start accepts. Automaton has 126 states and 148 transitions. Word has length 53
[2020-07-20 00:59:14,002 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 00:59:14,003 INFO  L479      AbstractCegarLoop]: Abstraction has 126 states and 148 transitions.
[2020-07-20 00:59:14,003 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-07-20 00:59:14,003 INFO  L276                IsEmpty]: Start isEmpty. Operand 126 states and 148 transitions.
[2020-07-20 00:59:14,009 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2020-07-20 00:59:14,009 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 00:59:14,010 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 00:59:14,010 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-07-20 00:59:14,010 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 00:59:14,010 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 00:59:14,011 INFO  L82        PathProgramCache]: Analyzing trace with hash -840364754, now seen corresponding path program 1 times
[2020-07-20 00:59:14,011 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM
[2020-07-20 00:59:14,011 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972494079]
[2020-07-20 00:59:14,011 INFO  L95    rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4f1a962a
[2020-07-20 00:59:14,080 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:14,402 WARN  L193               SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-07-20 00:59:14,418 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:14,438 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:14,440 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:14,442 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:14,483 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:14,484 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:14,486 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:14,489 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:14,497 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 00:59:14,498 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972494079]
[2020-07-20 00:59:14,498 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 00:59:14,498 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-07-20 00:59:14,499 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072523838]
[2020-07-20 00:59:14,500 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-07-20 00:59:14,500 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM
[2020-07-20 00:59:14,501 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-07-20 00:59:14,501 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-07-20 00:59:14,501 INFO  L87              Difference]: Start difference. First operand 126 states and 148 transitions. Second operand 8 states.
[2020-07-20 00:59:14,933 WARN  L193               SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-07-20 00:59:15,245 WARN  L193               SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-07-20 00:59:15,524 WARN  L193               SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-07-20 00:59:15,747 WARN  L193               SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-07-20 00:59:16,485 WARN  L193               SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-07-20 00:59:18,443 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 00:59:18,443 INFO  L93              Difference]: Finished difference Result 439 states and 548 transitions.
[2020-07-20 00:59:18,445 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2020-07-20 00:59:18,445 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 58
[2020-07-20 00:59:18,445 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 00:59:18,452 INFO  L225             Difference]: With dead ends: 439
[2020-07-20 00:59:18,452 INFO  L226             Difference]: Without dead ends: 337
[2020-07-20 00:59:18,453 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156
[2020-07-20 00:59:18,455 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 337 states.
[2020-07-20 00:59:18,528 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 272.
[2020-07-20 00:59:18,529 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 272 states.
[2020-07-20 00:59:18,531 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 331 transitions.
[2020-07-20 00:59:18,531 INFO  L78                 Accepts]: Start accepts. Automaton has 272 states and 331 transitions. Word has length 58
[2020-07-20 00:59:18,531 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 00:59:18,532 INFO  L479      AbstractCegarLoop]: Abstraction has 272 states and 331 transitions.
[2020-07-20 00:59:18,532 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-07-20 00:59:18,532 INFO  L276                IsEmpty]: Start isEmpty. Operand 272 states and 331 transitions.
[2020-07-20 00:59:18,533 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 64
[2020-07-20 00:59:18,534 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 00:59:18,534 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]
[2020-07-20 00:59:18,534 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-07-20 00:59:18,534 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 00:59:18,535 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 00:59:18,535 INFO  L82        PathProgramCache]: Analyzing trace with hash -1271614513, now seen corresponding path program 1 times
[2020-07-20 00:59:18,535 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM
[2020-07-20 00:59:18,535 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51461199]
[2020-07-20 00:59:18,536 INFO  L95    rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4f1a962a
[2020-07-20 00:59:18,565 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:18,835 WARN  L193               SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-07-20 00:59:18,848 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:18,867 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:18,869 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:18,871 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:18,873 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:18,886 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:18,889 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:18,891 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:18,904 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:59:18,914 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 00:59:18,915 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51461199]
[2020-07-20 00:59:18,915 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 00:59:18,915 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-07-20 00:59:18,915 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494563947]
[2020-07-20 00:59:18,916 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-07-20 00:59:18,916 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM
[2020-07-20 00:59:18,916 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-07-20 00:59:18,917 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-07-20 00:59:18,917 INFO  L87              Difference]: Start difference. First operand 272 states and 331 transitions. Second operand 8 states.
[2020-07-20 00:59:19,356 WARN  L193               SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-07-20 00:59:20,748 WARN  L193               SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-07-20 00:59:21,102 WARN  L193               SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-07-20 00:59:21,415 WARN  L193               SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-07-20 00:59:21,687 WARN  L193               SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-07-20 00:59:22,499 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 00:59:22,500 INFO  L93              Difference]: Finished difference Result 839 states and 1103 transitions.
[2020-07-20 00:59:22,500 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-07-20 00:59:22,500 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 63
[2020-07-20 00:59:22,501 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 00:59:22,507 INFO  L225             Difference]: With dead ends: 839
[2020-07-20 00:59:22,507 INFO  L226             Difference]: Without dead ends: 591
[2020-07-20 00:59:22,509 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182
[2020-07-20 00:59:22,510 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 591 states.
[2020-07-20 00:59:22,633 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 521.
[2020-07-20 00:59:22,634 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 521 states.
[2020-07-20 00:59:22,637 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 649 transitions.
[2020-07-20 00:59:22,638 INFO  L78                 Accepts]: Start accepts. Automaton has 521 states and 649 transitions. Word has length 63
[2020-07-20 00:59:22,638 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 00:59:22,639 INFO  L479      AbstractCegarLoop]: Abstraction has 521 states and 649 transitions.
[2020-07-20 00:59:22,639 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-07-20 00:59:22,639 INFO  L276                IsEmpty]: Start isEmpty. Operand 521 states and 649 transitions.
[2020-07-20 00:59:22,642 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 68
[2020-07-20 00:59:22,642 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 00:59:22,642 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]
[2020-07-20 00:59:22,643 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-07-20 00:59:22,643 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 00:59:22,643 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 00:59:22,643 INFO  L82        PathProgramCache]: Analyzing trace with hash 1708991285, now seen corresponding path program 1 times
[2020-07-20 00:59:22,644 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM
[2020-07-20 00:59:22,644 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706003112]
[2020-07-20 00:59:22,644 INFO  L95    rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4f1a962a
[2020-07-20 00:59:22,699 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-20 00:59:22,699 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-20 00:59:22,748 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-20 00:59:22,749 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-20 00:59:22,824 INFO  L174   FreeRefinementEngine]: Strategy CAMEL_SMT_AM found a feasible trace
[2020-07-20 00:59:22,824 INFO  L520         BasicCegarLoop]: Counterexample might be feasible
[2020-07-20 00:59:22,824 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-07-20 00:59:22,979 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 12:59:22 BoogieIcfgContainer
[2020-07-20 00:59:22,980 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 00:59:22,982 INFO  L168              Benchmark]: Toolchain (without parser) took 15316.49 ms. Allocated memory was 137.4 MB in the beginning and 500.7 MB in the end (delta: 363.3 MB). Free memory was 101.0 MB in the beginning and 262.2 MB in the end (delta: -161.2 MB). Peak memory consumption was 202.1 MB. Max. memory is 7.1 GB.
[2020-07-20 00:59:22,982 INFO  L168              Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 137.4 MB. Free memory is still 120.1 MB. There was no memory consumed. Max. memory is 7.1 GB.
[2020-07-20 00:59:22,983 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 605.24 ms. Allocated memory was 137.4 MB in the beginning and 202.9 MB in the end (delta: 65.5 MB). Free memory was 100.6 MB in the beginning and 170.9 MB in the end (delta: -70.4 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB.
[2020-07-20 00:59:22,984 INFO  L168              Benchmark]: Boogie Preprocessor took 116.97 ms. Allocated memory is still 202.9 MB. Free memory was 170.9 MB in the beginning and 165.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB.
[2020-07-20 00:59:22,985 INFO  L168              Benchmark]: RCFGBuilder took 1429.63 ms. Allocated memory was 202.9 MB in the beginning and 233.8 MB in the end (delta: 30.9 MB). Free memory was 165.8 MB in the beginning and 194.0 MB in the end (delta: -28.2 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB.
[2020-07-20 00:59:22,986 INFO  L168              Benchmark]: TraceAbstraction took 13159.17 ms. Allocated memory was 233.8 MB in the beginning and 500.7 MB in the end (delta: 266.9 MB). Free memory was 194.0 MB in the beginning and 262.2 MB in the end (delta: -68.3 MB). Peak memory consumption was 198.6 MB. Max. memory is 7.1 GB.
[2020-07-20 00:59:22,990 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.29 ms. Allocated memory is still 137.4 MB. Free memory is still 120.1 MB. There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 605.24 ms. Allocated memory was 137.4 MB in the beginning and 202.9 MB in the end (delta: 65.5 MB). Free memory was 100.6 MB in the beginning and 170.9 MB in the end (delta: -70.4 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 116.97 ms. Allocated memory is still 202.9 MB. Free memory was 170.9 MB in the beginning and 165.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1429.63 ms. Allocated memory was 202.9 MB in the beginning and 233.8 MB in the end (delta: 30.9 MB). Free memory was 165.8 MB in the beginning and 194.0 MB in the end (delta: -28.2 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 13159.17 ms. Allocated memory was 233.8 MB in the beginning and 500.7 MB in the end (delta: 266.9 MB). Free memory was 194.0 MB in the beginning and 262.2 MB in the end (delta: -68.3 MB). Peak memory consumption was 198.6 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 712]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L209]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L489]              int pumpRunning  =    0;
[L490]              int systemActive  =    1;
[L717]              int cleanupTimeShifts  =    4;
[L886]              int waterLevel  =    1;
[L887]              int methaneLevelCritical  =    0;
        VAL         [\old(cleanupTimeShifts)=172, \old(head)=165, \old(head)=176, \old(methaneLevelCritical)=151, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L793]              int retValue_acc ;
[L794]              int tmp ;
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L798]  FCALL       select_helpers()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L799]  FCALL       select_features()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L800]  CALL, EXPR  valid_product()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L877]              int retValue_acc ;
[L880]              retValue_acc = 1
[L881]              return (retValue_acc);
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L800]  RET, EXPR   valid_product()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1]
[L800]              tmp = valid_product()
[L802]  COND TRUE   \read(tmp)
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1]
[L804]  FCALL       setup()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1]
[L805]  CALL        runTest()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L784]  CALL        test()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L413]              int splverifierCounter ;
[L414]              int tmp ;
[L415]              int tmp___0 ;
[L416]              int tmp___1 ;
[L417]              int tmp___2 ;
[L420]              splverifierCounter = 0
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L422]  COND TRUE   1
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L424]  COND TRUE   splverifierCounter < 4
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L430]              tmp = __VERIFIER_nondet_int()
[L432]  COND TRUE   \read(tmp)
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1]
[L434]  CALL        waterRise()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L904]  COND TRUE   waterLevel < 2
[L905]              waterLevel = waterLevel + 1
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L434]  RET         waterRise()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2]
[L440]              tmp___0 = __VERIFIER_nondet_int()
[L442]  COND FALSE  !(\read(tmp___0))
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2]
[L450]              tmp___2 = __VERIFIER_nondet_int()
[L452]  COND FALSE  !(\read(tmp___2))
[L458]              tmp___1 = __VERIFIER_nondet_int()
[L460]  COND TRUE   \read(tmp___1)
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2]
[L462]  CALL        stopSystem()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L688]  COND FALSE  !(\read(pumpRunning))
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L695]              systemActive = 0
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L462]  RET         stopSystem()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2]
[L469]  CALL        timeShift()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L497]  COND FALSE  !(\read(pumpRunning))
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L504]  COND FALSE  !(\read(systemActive))
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L512]  CALL        __utac_acc__Specification3_spec__1()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L818]              int tmp ;
[L819]              int tmp___0 ;
[L820]              int tmp___1 ;
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L824]  CALL, EXPR  isMethaneLevelCritical()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L925]              int retValue_acc ;
[L928]              retValue_acc = methaneLevelCritical
[L929]              return (retValue_acc);
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2]
[L824]  RET, EXPR   isMethaneLevelCritical()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L824]              tmp = isMethaneLevelCritical()
[L826]  COND FALSE  !(\read(tmp))
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2]
[L830]  CALL, EXPR  getWaterLevel()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L957]              int retValue_acc ;
[L960]              retValue_acc = waterLevel
[L961]              return (retValue_acc);
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2]
[L830]  RET, EXPR   getWaterLevel()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2]
[L830]              tmp___0 = getWaterLevel()
[L832]  COND TRUE   tmp___0 == 2
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2]
[L834]  CALL, EXPR  isPumpRunning()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L621]              int retValue_acc ;
[L624]              retValue_acc = pumpRunning
[L625]              return (retValue_acc);
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2]
[L834]  RET, EXPR   isPumpRunning()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2]
[L834]              tmp___1 = isPumpRunning()
[L836]  COND FALSE  !(\read(tmp___1))
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2]
[L840]  CALL        __automaton_fail()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L712]              __VERIFIER_error()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 41 procedures, 244 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 12.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 517 SDtfs, 813 SDslu, 376 SDs, 0 SdLazy, 1979 SolverSat, 520 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=521occurred 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: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 198 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 293 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 62058 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 incorrect!
Received shutdown request...