/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_product01.cil.c


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


This is Ultimate 0.1.25-79ed534
[2020-07-20 00:57:52,572 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-20 00:57:52,575 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 00:57:52,594 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 00:57:52,594 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 00:57:52,596 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 00:57:52,597 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 00:57:52,607 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 00:57:52,611 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 00:57:52,615 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 00:57:52,616 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 00:57:52,618 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 00:57:52,618 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 00:57:52,620 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 00:57:52,622 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 00:57:52,624 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 00:57:52,625 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 00:57:52,626 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 00:57:52,628 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 00:57:52,633 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 00:57:52,638 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 00:57:52,641 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 00:57:52,642 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 00:57:52,643 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 00:57:52,646 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 00:57:52,646 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 00:57:52,646 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 00:57:52,649 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 00:57:52,649 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 00:57:52,650 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 00:57:52,650 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 00:57:52,651 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 00:57:52,652 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 00:57:52,653 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 00:57:52,654 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 00:57:52,654 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 00:57:52,655 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 00:57:52,655 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 00:57:52,655 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 00:57:52,656 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 00:57:52,657 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 00:57:52,658 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 00:57:52,690 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-20 00:57:52,691 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 00:57:52,695 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 00:57:52,695 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-20 00:57:52,696 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-20 00:57:52,696 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 00:57:52,696 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-20 00:57:52,698 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-20 00:57:52,699 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-20 00:57:52,699 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-20 00:57:52,699 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 00:57:52,699 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 00:57:52,699 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 00:57:52,700 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-20 00:57:52,700 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-20 00:57:52,700 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-20 00:57:52,700 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-20 00:57:52,700 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 00:57:52,701 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-20 00:57:52,701 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-20 00:57:52,701 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-20 00:57:52,702 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 00:57:52,703 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 00:57:52,703 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 00:57:52,703 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 00:57:52,703 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-20 00:57:52,703 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 00:57:52,704 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 00:57:52,704 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-20 00:57:52,704 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 00:57:53,019 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 00:57:53,031 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 00:57:53,035 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 00:57:53,036 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-20 00:57:53,037 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-20 00:57:53,037 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product01.cil.c
[2020-07-20 00:57:53,101 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/044fb18bf/23188e8baf284e73bed5855763e8250c/FLAG53d6e3871
[2020-07-20 00:57:53,623 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-20 00:57:53,623 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product01.cil.c
[2020-07-20 00:57:53,636 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/044fb18bf/23188e8baf284e73bed5855763e8250c/FLAG53d6e3871
[2020-07-20 00:57:53,978 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/044fb18bf/23188e8baf284e73bed5855763e8250c
[2020-07-20 00:57:53,990 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 00:57:53,994 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 00:57:53,995 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 00:57:53,995 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 00:57:53,999 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 00:57:54,000 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:57:53" (1/1) ...
[2020-07-20 00:57:54,003 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2feb9abb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:54, skipping insertion in model container
[2020-07-20 00:57:54,003 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:57:53" (1/1) ...
[2020-07-20 00:57:54,011 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-20 00:57:54,069 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-20 00:57:54,492 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 00:57:54,505 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-20 00:57:54,580 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 00:57:54,613 INFO  L208         MainTranslator]: Completed translation
[2020-07-20 00:57:54,613 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:54 WrapperNode
[2020-07-20 00:57:54,613 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 00:57:54,614 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 00:57:54,614 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 00:57:54,614 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 00:57:54,629 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:54" (1/1) ...
[2020-07-20 00:57:54,630 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:54" (1/1) ...
[2020-07-20 00:57:54,649 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:54" (1/1) ...
[2020-07-20 00:57:54,649 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:54" (1/1) ...
[2020-07-20 00:57:54,684 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:54" (1/1) ...
[2020-07-20 00:57:54,694 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:54" (1/1) ...
[2020-07-20 00:57:54,699 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:54" (1/1) ...
[2020-07-20 00:57:54,707 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 00:57:54,708 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 00:57:54,708 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 00:57:54,708 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-20 00:57:54,709 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:54" (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 00:57:54,769 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 00:57:54,769 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 00:57:54,770 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-07-20 00:57:54,770 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-07-20 00:57:54,770 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-07-20 00:57:54,770 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-07-20 00:57:54,770 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-07-20 00:57:54,770 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-07-20 00:57:54,770 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-07-20 00:57:54,771 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-07-20 00:57:54,771 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-07-20 00:57:54,771 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-07-20 00:57:54,771 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-07-20 00:57:54,771 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-07-20 00:57:54,771 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-07-20 00:57:54,772 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-07-20 00:57:54,772 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-07-20 00:57:54,772 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-07-20 00:57:54,772 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-07-20 00:57:54,772 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-07-20 00:57:54,773 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-07-20 00:57:54,773 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 00:57:54,773 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-07-20 00:57:54,773 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-07-20 00:57:54,773 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-07-20 00:57:54,773 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-07-20 00:57:54,774 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-07-20 00:57:54,774 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-07-20 00:57:54,774 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-07-20 00:57:54,774 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-07-20 00:57:54,774 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-07-20 00:57:54,774 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-07-20 00:57:54,775 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-07-20 00:57:54,775 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-07-20 00:57:54,775 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 00:57:54,775 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 00:57:54,775 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-07-20 00:57:54,776 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-07-20 00:57:54,776 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-07-20 00:57:54,776 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-07-20 00:57:54,776 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-07-20 00:57:54,776 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-07-20 00:57:54,776 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-07-20 00:57:54,776 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-07-20 00:57:54,776 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-07-20 00:57:54,776 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-07-20 00:57:54,777 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-07-20 00:57:54,777 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-07-20 00:57:54,777 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-20 00:57:54,777 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-07-20 00:57:54,777 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-07-20 00:57:54,777 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-07-20 00:57:54,777 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-07-20 00:57:54,777 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-07-20 00:57:54,777 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-07-20 00:57:54,777 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-07-20 00:57:54,777 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-07-20 00:57:54,778 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-07-20 00:57:54,778 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-07-20 00:57:54,778 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-07-20 00:57:54,778 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-07-20 00:57:54,778 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-07-20 00:57:54,778 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-20 00:57:54,779 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-07-20 00:57:54,779 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-07-20 00:57:54,779 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-07-20 00:57:54,779 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-07-20 00:57:54,779 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-20 00:57:54,779 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-20 00:57:54,779 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-07-20 00:57:54,779 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-20 00:57:54,779 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-07-20 00:57:54,779 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-20 00:57:54,780 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-07-20 00:57:54,780 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-07-20 00:57:54,780 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-07-20 00:57:54,780 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-07-20 00:57:54,780 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-07-20 00:57:54,780 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-07-20 00:57:54,781 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 00:57:54,781 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-07-20 00:57:54,781 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 00:57:55,845 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 00:57:55,846 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-20 00:57:55,851 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:57:55 BoogieIcfgContainer
[2020-07-20 00:57:55,851 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 00:57:55,852 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 00:57:55,853 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 00:57:55,856 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-20 00:57:55,856 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:57:53" (1/3) ...
[2020-07-20 00:57:55,857 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6223e81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:57:55, skipping insertion in model container
[2020-07-20 00:57:55,857 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:57:54" (2/3) ...
[2020-07-20 00:57:55,858 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6223e81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:57:55, skipping insertion in model container
[2020-07-20 00:57:55,858 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:57:55" (3/3) ...
[2020-07-20 00:57:55,860 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product01.cil.c
[2020-07-20 00:57:55,871 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-07-20 00:57:55,880 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 00:57:55,894 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 00:57:55,918 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-20 00:57:55,918 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-20 00:57:55,918 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-07-20 00:57:55,918 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 00:57:55,919 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 00:57:55,919 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-20 00:57:55,919 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 00:57:55,919 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 00:57:55,941 INFO  L276                IsEmpty]: Start isEmpty. Operand 133 states.
[2020-07-20 00:57:55,949 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2020-07-20 00:57:55,949 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 00:57:55,950 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 00:57:55,951 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 00:57:55,957 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 00:57:55,958 INFO  L82        PathProgramCache]: Analyzing trace with hash -438635737, now seen corresponding path program 1 times
[2020-07-20 00:57:55,967 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM
[2020-07-20 00:57:55,968 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507565862]
[2020-07-20 00:57:55,968 INFO  L95    rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3206d00b
[2020-07-20 00:57:56,249 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:57:56,631 WARN  L193               SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-07-20 00:57:56,643 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:57:56,696 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:57:56,701 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:57:56,704 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:57:56,708 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:57:56,716 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:57:56,720 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:57:56,725 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:57:56,753 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 00:57:56,754 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507565862]
[2020-07-20 00:57:56,755 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 00:57:56,756 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 00:57:56,757 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818313426]
[2020-07-20 00:57:56,762 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 00:57:56,763 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM
[2020-07-20 00:57:56,777 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 00:57:56,778 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 00:57:56,781 INFO  L87              Difference]: Start difference. First operand 133 states. Second operand 3 states.
[2020-07-20 00:57:57,691 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 00:57:57,692 INFO  L93              Difference]: Finished difference Result 211 states and 284 transitions.
[2020-07-20 00:57:57,692 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 00:57:57,694 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 52
[2020-07-20 00:57:57,695 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 00:57:57,708 INFO  L225             Difference]: With dead ends: 211
[2020-07-20 00:57:57,708 INFO  L226             Difference]: Without dead ends: 115
[2020-07-20 00:57:57,712 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 00:57:57,758 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 115 states.
[2020-07-20 00:57:57,814 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 87.
[2020-07-20 00:57:57,816 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 87 states.
[2020-07-20 00:57:57,817 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 101 transitions.
[2020-07-20 00:57:57,819 INFO  L78                 Accepts]: Start accepts. Automaton has 87 states and 101 transitions. Word has length 52
[2020-07-20 00:57:57,820 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 00:57:57,820 INFO  L479      AbstractCegarLoop]: Abstraction has 87 states and 101 transitions.
[2020-07-20 00:57:57,820 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 00:57:57,820 INFO  L276                IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions.
[2020-07-20 00:57:57,823 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-07-20 00:57:57,824 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 00:57:57,824 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 00:57:57,824 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-07-20 00:57:57,825 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 00:57:57,825 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 00:57:57,825 INFO  L82        PathProgramCache]: Analyzing trace with hash -1274777231, now seen corresponding path program 1 times
[2020-07-20 00:57:57,825 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM
[2020-07-20 00:57:57,826 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323686934]
[2020-07-20 00:57:57,826 INFO  L95    rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3206d00b
[2020-07-20 00:57:57,871 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:57:58,219 WARN  L193               SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-07-20 00:57:58,230 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:57:58,257 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:57:58,258 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:57:58,260 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:57:58,266 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:57:58,268 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:57:58,272 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:57:58,274 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:57:58,285 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 00:57:58,286 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323686934]
[2020-07-20 00:57:58,286 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 00:57:58,286 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-07-20 00:57:58,287 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227291391]
[2020-07-20 00:57:58,289 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-07-20 00:57:58,290 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM
[2020-07-20 00:57:58,290 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-07-20 00:57:58,291 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-07-20 00:57:58,291 INFO  L87              Difference]: Start difference. First operand 87 states and 101 transitions. Second operand 4 states.
[2020-07-20 00:57:58,754 WARN  L193               SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-07-20 00:57:59,159 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 00:57:59,159 INFO  L93              Difference]: Finished difference Result 144 states and 175 transitions.
[2020-07-20 00:57:59,160 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-07-20 00:57:59,160 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 53
[2020-07-20 00:57:59,160 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 00:57:59,162 INFO  L225             Difference]: With dead ends: 144
[2020-07-20 00:57:59,162 INFO  L226             Difference]: Without dead ends: 99
[2020-07-20 00:57:59,164 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-07-20 00:57:59,164 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 99 states.
[2020-07-20 00:57:59,191 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 78.
[2020-07-20 00:57:59,191 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 78 states.
[2020-07-20 00:57:59,192 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 89 transitions.
[2020-07-20 00:57:59,192 INFO  L78                 Accepts]: Start accepts. Automaton has 78 states and 89 transitions. Word has length 53
[2020-07-20 00:57:59,193 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 00:57:59,193 INFO  L479      AbstractCegarLoop]: Abstraction has 78 states and 89 transitions.
[2020-07-20 00:57:59,193 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-07-20 00:57:59,193 INFO  L276                IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions.
[2020-07-20 00:57:59,195 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 58
[2020-07-20 00:57:59,195 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 00:57:59,196 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]
[2020-07-20 00:57:59,196 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-07-20 00:57:59,196 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 00:57:59,196 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 00:57:59,197 INFO  L82        PathProgramCache]: Analyzing trace with hash -1377435257, now seen corresponding path program 1 times
[2020-07-20 00:57:59,197 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM
[2020-07-20 00:57:59,197 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853704691]
[2020-07-20 00:57:59,198 INFO  L95    rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3206d00b
[2020-07-20 00:57:59,231 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:57:59,535 WARN  L193               SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-07-20 00:57:59,553 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:57:59,573 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:57:59,577 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:57:59,579 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:57:59,593 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:57:59,595 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:57:59,596 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:57:59,597 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:57:59,605 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 00:57:59,606 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853704691]
[2020-07-20 00:57:59,606 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 00:57:59,606 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-07-20 00:57:59,606 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763701187]
[2020-07-20 00:57:59,607 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-07-20 00:57:59,607 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM
[2020-07-20 00:57:59,607 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-07-20 00:57:59,608 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-07-20 00:57:59,608 INFO  L87              Difference]: Start difference. First operand 78 states and 89 transitions. Second operand 8 states.
[2020-07-20 00:58:00,038 WARN  L193               SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-07-20 00:58:00,348 WARN  L193               SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-07-20 00:58:00,595 WARN  L193               SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-07-20 00:58:00,825 WARN  L193               SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-07-20 00:58:01,526 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 00:58:01,526 INFO  L93              Difference]: Finished difference Result 153 states and 189 transitions.
[2020-07-20 00:58:01,526 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-07-20 00:58:01,527 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 57
[2020-07-20 00:58:01,527 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 00:58:01,529 INFO  L225             Difference]: With dead ends: 153
[2020-07-20 00:58:01,529 INFO  L226             Difference]: Without dead ends: 99
[2020-07-20 00:58:01,532 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132
[2020-07-20 00:58:01,533 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 99 states.
[2020-07-20 00:58:01,554 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 78.
[2020-07-20 00:58:01,555 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 78 states.
[2020-07-20 00:58:01,556 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 88 transitions.
[2020-07-20 00:58:01,556 INFO  L78                 Accepts]: Start accepts. Automaton has 78 states and 88 transitions. Word has length 57
[2020-07-20 00:58:01,556 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 00:58:01,556 INFO  L479      AbstractCegarLoop]: Abstraction has 78 states and 88 transitions.
[2020-07-20 00:58:01,557 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-07-20 00:58:01,557 INFO  L276                IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions.
[2020-07-20 00:58:01,558 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2020-07-20 00:58:01,558 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 00:58:01,559 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]
[2020-07-20 00:58:01,559 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-07-20 00:58:01,559 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 00:58:01,559 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 00:58:01,560 INFO  L82        PathProgramCache]: Analyzing trace with hash 1699431063, now seen corresponding path program 1 times
[2020-07-20 00:58:01,560 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM
[2020-07-20 00:58:01,560 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740234298]
[2020-07-20 00:58:01,560 INFO  L95    rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3206d00b
[2020-07-20 00:58:01,586 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:58:01,847 WARN  L193               SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-07-20 00:58:01,862 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:58:01,891 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:58:01,893 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:58:01,895 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:58:01,897 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:58:01,898 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:58:01,900 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:58:01,902 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:58:01,913 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 00:58:01,922 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 00:58:01,922 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740234298]
[2020-07-20 00:58:01,923 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 00:58:01,923 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-07-20 00:58:01,923 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436217959]
[2020-07-20 00:58:01,924 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-07-20 00:58:01,924 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM
[2020-07-20 00:58:01,924 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-07-20 00:58:01,924 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-07-20 00:58:01,925 INFO  L87              Difference]: Start difference. First operand 78 states and 88 transitions. Second operand 8 states.
[2020-07-20 00:58:02,388 WARN  L193               SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-07-20 00:58:03,217 WARN  L193               SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-07-20 00:58:03,507 WARN  L193               SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-07-20 00:58:03,738 WARN  L193               SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-07-20 00:58:03,965 WARN  L193               SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-07-20 00:58:04,248 WARN  L193               SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-07-20 00:58:04,560 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 00:58:04,560 INFO  L93              Difference]: Finished difference Result 205 states and 259 transitions.
[2020-07-20 00:58:04,561 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2020-07-20 00:58:04,561 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 60
[2020-07-20 00:58:04,562 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 00:58:04,564 INFO  L225             Difference]: With dead ends: 205
[2020-07-20 00:58:04,564 INFO  L226             Difference]: Without dead ends: 151
[2020-07-20 00:58:04,565 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182
[2020-07-20 00:58:04,566 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 151 states.
[2020-07-20 00:58:04,595 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 130.
[2020-07-20 00:58:04,595 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 130 states.
[2020-07-20 00:58:04,596 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 153 transitions.
[2020-07-20 00:58:04,596 INFO  L78                 Accepts]: Start accepts. Automaton has 130 states and 153 transitions. Word has length 60
[2020-07-20 00:58:04,597 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 00:58:04,597 INFO  L479      AbstractCegarLoop]: Abstraction has 130 states and 153 transitions.
[2020-07-20 00:58:04,597 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-07-20 00:58:04,597 INFO  L276                IsEmpty]: Start isEmpty. Operand 130 states and 153 transitions.
[2020-07-20 00:58:04,599 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2020-07-20 00:58:04,599 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 00:58:04,599 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]
[2020-07-20 00:58:04,600 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-07-20 00:58:04,600 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 00:58:04,600 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 00:58:04,600 INFO  L82        PathProgramCache]: Analyzing trace with hash -2045663983, now seen corresponding path program 1 times
[2020-07-20 00:58:04,600 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM
[2020-07-20 00:58:04,601 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932033260]
[2020-07-20 00:58:04,601 INFO  L95    rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3206d00b
[2020-07-20 00:58:04,661 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-20 00:58:04,661 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-20 00:58:04,711 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-20 00:58:04,711 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-20 00:58:04,788 INFO  L174   FreeRefinementEngine]: Strategy CAMEL_SMT_AM found a feasible trace
[2020-07-20 00:58:04,789 INFO  L520         BasicCegarLoop]: Counterexample might be feasible
[2020-07-20 00:58:04,789 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-07-20 00:58:04,917 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 12:58:04 BoogieIcfgContainer
[2020-07-20 00:58:04,917 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 00:58:04,919 INFO  L168              Benchmark]: Toolchain (without parser) took 10927.29 ms. Allocated memory was 145.8 MB in the beginning and 413.1 MB in the end (delta: 267.4 MB). Free memory was 101.9 MB in the beginning and 266.5 MB in the end (delta: -164.5 MB). Peak memory consumption was 102.9 MB. Max. memory is 7.1 GB.
[2020-07-20 00:58:04,920 INFO  L168              Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory is still 121.5 MB. There was no memory consumed. Max. memory is 7.1 GB.
[2020-07-20 00:58:04,921 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 619.00 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 101.5 MB in the beginning and 173.3 MB in the end (delta: -71.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB.
[2020-07-20 00:58:04,922 INFO  L168              Benchmark]: Boogie Preprocessor took 93.48 ms. Allocated memory is still 203.4 MB. Free memory was 173.3 MB in the beginning and 169.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB.
[2020-07-20 00:58:04,922 INFO  L168              Benchmark]: RCFGBuilder took 1143.39 ms. Allocated memory was 203.4 MB in the beginning and 237.5 MB in the end (delta: 34.1 MB). Free memory was 169.3 MB in the beginning and 204.6 MB in the end (delta: -35.3 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB.
[2020-07-20 00:58:04,923 INFO  L168              Benchmark]: TraceAbstraction took 9065.02 ms. Allocated memory was 237.5 MB in the beginning and 413.1 MB in the end (delta: 175.6 MB). Free memory was 204.6 MB in the beginning and 266.5 MB in the end (delta: -61.8 MB). Peak memory consumption was 113.8 MB. Max. memory is 7.1 GB.
[2020-07-20 00:58:04,930 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory is still 121.5 MB. There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 619.00 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 101.5 MB in the beginning and 173.3 MB in the end (delta: -71.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 93.48 ms. Allocated memory is still 203.4 MB. Free memory was 173.3 MB in the beginning and 169.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1143.39 ms. Allocated memory was 203.4 MB in the beginning and 237.5 MB in the end (delta: 34.1 MB). Free memory was 169.3 MB in the beginning and 204.6 MB in the end (delta: -35.3 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 9065.02 ms. Allocated memory was 237.5 MB in the beginning and 413.1 MB in the end (delta: 175.6 MB). Free memory was 204.6 MB in the beginning and 266.5 MB in the end (delta: -61.8 MB). Peak memory consumption was 113.8 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 302]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L48]               int pumpRunning  =    0;
[L49]               int systemActive  =    1;
[L307]              int cleanupTimeShifts  =    4;
[L403]              int waterLevel  =    1;
[L404]              int methaneLevelCritical  =    0;
[L652]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
        VAL         [\old(cleanupTimeShifts)=173, \old(head)=165, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=141, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L380]              int retValue_acc ;
[L381]              int tmp ;
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L385]  FCALL       select_helpers()
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L386]  FCALL       select_features()
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L387]  CALL, EXPR  valid_product()
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L253]              int retValue_acc ;
[L256]              retValue_acc = 1
[L257]              return (retValue_acc);
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L387]  RET, EXPR   valid_product()
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1]
[L387]              tmp = valid_product()
[L389]  COND TRUE   \read(tmp)
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1]
[L391]  FCALL       setup()
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1]
[L392]  CALL        runTest()
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L374]  CALL        test()
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L160]              int splverifierCounter ;
[L161]              int tmp ;
[L162]              int tmp___0 ;
[L163]              int tmp___1 ;
[L164]              int tmp___2 ;
[L167]              splverifierCounter = 0
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L169]  COND TRUE   1
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L171]  COND TRUE   splverifierCounter < 4
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L177]              tmp = __VERIFIER_nondet_int()
[L179]  COND TRUE   \read(tmp)
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1]
[L181]  CALL        waterRise()
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L421]  COND TRUE   waterLevel < 2
[L422]              waterLevel = waterLevel + 1
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L181]  RET         waterRise()
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2]
[L187]              tmp___0 = __VERIFIER_nondet_int()
[L189]  COND FALSE  !(\read(tmp___0))
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2]
[L197]              tmp___2 = __VERIFIER_nondet_int()
[L199]  COND TRUE   \read(tmp___2)
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2]
[L212]  CALL        timeShift()
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L56]   COND FALSE  !(\read(pumpRunning))
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L63]   COND TRUE   \read(systemActive)
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L65]   FCALL       processEnvironment()
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L71]   CALL        __utac_acc__Specification3_spec__1()
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L265]              int tmp ;
[L266]              int tmp___0 ;
[L267]              int tmp___1 ;
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L271]  CALL, EXPR  isMethaneLevelCritical()
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L442]              int retValue_acc ;
[L445]              retValue_acc = methaneLevelCritical
[L446]              return (retValue_acc);
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L271]  RET, EXPR   isMethaneLevelCritical()
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L271]              tmp = isMethaneLevelCritical()
[L273]  COND FALSE  !(\read(tmp))
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L277]  CALL, EXPR  getWaterLevel()
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L474]              int retValue_acc ;
[L477]              retValue_acc = waterLevel
[L478]              return (retValue_acc);
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2]
[L277]  RET, EXPR   getWaterLevel()
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L277]              tmp___0 = getWaterLevel()
[L279]  COND TRUE   tmp___0 == 2
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2]
[L281]  CALL, EXPR  isPumpRunning()
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L111]              int retValue_acc ;
[L114]              retValue_acc = pumpRunning
[L115]              return (retValue_acc);
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L281]  RET, EXPR   isPumpRunning()
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2]
[L281]              tmp___1 = isPumpRunning()
[L283]  COND FALSE  !(\read(tmp___1))
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2]
[L287]  CALL        __automaton_fail()
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L302]              __VERIFIER_error()
        VAL         [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 34 procedures, 197 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 305 SDtfs, 429 SDslu, 180 SDs, 0 SdLazy, 909 SolverSat, 239 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 91 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 286 NumberOfCodeBlocks, 286 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 61735 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...