/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product19.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-d623d84
[2020-07-20 10:42:02,559 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-20 10:42:02,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 10:42:02,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 10:42:02,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 10:42:02,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 10:42:02,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 10:42:02,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 10:42:02,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 10:42:02,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 10:42:02,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 10:42:02,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 10:42:02,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 10:42:02,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 10:42:02,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 10:42:02,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 10:42:02,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 10:42:02,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 10:42:02,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 10:42:02,593 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 10:42:02,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 10:42:02,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 10:42:02,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 10:42:02,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 10:42:02,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 10:42:02,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 10:42:02,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 10:42:02,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 10:42:02,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 10:42:02,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 10:42:02,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 10:42:02,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 10:42:02,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 10:42:02,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 10:42:02,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 10:42:02,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 10:42:02,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 10:42:02,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 10:42:02,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 10:42:02,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 10:42:02,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 10:42:02,612 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 10:42:02,627 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-20 10:42:02,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 10:42:02,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 10:42:02,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-20 10:42:02,629 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-20 10:42:02,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 10:42:02,630 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-20 10:42:02,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-20 10:42:02,630 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-20 10:42:02,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-20 10:42:02,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 10:42:02,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 10:42:02,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 10:42:02,631 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-20 10:42:02,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-20 10:42:02,631 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-20 10:42:02,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-20 10:42:02,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 10:42:02,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-20 10:42:02,632 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-20 10:42:02,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-20 10:42:02,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 10:42:02,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 10:42:02,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 10:42:02,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 10:42:02,633 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-20 10:42:02,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:42:02,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 10:42:02,634 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-20 10:42:02,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY
[2020-07-20 10:42:02,909 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 10:42:02,922 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 10:42:02,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 10:42:02,927 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-20 10:42:02,928 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-20 10:42:02,928 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product19.cil.c
[2020-07-20 10:42:03,003 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e15a4199/4c3256a177e74b2fa8a5b5f68708e8a8/FLAG07196551e
[2020-07-20 10:42:03,603 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-20 10:42:03,604 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product19.cil.c
[2020-07-20 10:42:03,622 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e15a4199/4c3256a177e74b2fa8a5b5f68708e8a8/FLAG07196551e
[2020-07-20 10:42:03,866 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e15a4199/4c3256a177e74b2fa8a5b5f68708e8a8
[2020-07-20 10:42:03,874 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 10:42:03,877 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 10:42:03,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 10:42:03,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 10:42:03,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 10:42:03,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:42:03" (1/1) ...
[2020-07-20 10:42:03,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ea8f01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:03, skipping insertion in model container
[2020-07-20 10:42:03,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:42:03" (1/1) ...
[2020-07-20 10:42:03,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-20 10:42:03,949 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-20 10:42:04,331 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 10:42:04,348 INFO L203 MainTranslator]: Completed pre-run
[2020-07-20 10:42:04,457 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 10:42:04,488 INFO L208 MainTranslator]: Completed translation
[2020-07-20 10:42:04,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:04 WrapperNode
[2020-07-20 10:42:04,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 10:42:04,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 10:42:04,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 10:42:04,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 10:42:04,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:04" (1/1) ...
[2020-07-20 10:42:04,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:04" (1/1) ...
[2020-07-20 10:42:04,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:04" (1/1) ...
[2020-07-20 10:42:04,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:04" (1/1) ...
[2020-07-20 10:42:04,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:04" (1/1) ...
[2020-07-20 10:42:04,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:04" (1/1) ...
[2020-07-20 10:42:04,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:04" (1/1) ...
[2020-07-20 10:42:04,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 10:42:04,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 10:42:04,616 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 10:42:04,616 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-20 10:42:04,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:04" (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 10:42:04,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 10:42:04,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 10:42:04,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-07-20 10:42:04,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-07-20 10:42:04,681 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-07-20 10:42:04,681 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-07-20 10:42:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-07-20 10:42:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-07-20 10:42:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-07-20 10:42:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-07-20 10:42:04,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-07-20 10:42:04,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-07-20 10:42:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-07-20 10:42:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-07-20 10:42:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-07-20 10:42:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-07-20 10:42:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-07-20 10:42:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-07-20 10:42:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-07-20 10:42:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 10:42:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-07-20 10:42:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-07-20 10:42:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-07-20 10:42:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-07-20 10:42:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-07-20 10:42:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-07-20 10:42:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-07-20 10:42:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-07-20 10:42:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-07-20 10:42:04,688 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-07-20 10:42:04,688 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-07-20 10:42:04,688 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-07-20 10:42:04,689 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-07-20 10:42:04,689 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-07-20 10:42:04,689 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-07-20 10:42:04,689 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-07-20 10:42:04,689 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-07-20 10:42:04,690 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-07-20 10:42:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 10:42:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 10:42:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-07-20 10:42:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-07-20 10:42:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-07-20 10:42:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-07-20 10:42:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-07-20 10:42:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-07-20 10:42:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-07-20 10:42:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-07-20 10:42:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-07-20 10:42:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-07-20 10:42:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-07-20 10:42:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-07-20 10:42:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-07-20 10:42:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-07-20 10:42:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-20 10:42:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-20 10:42:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-07-20 10:42:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-20 10:42:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-07-20 10:42:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-20 10:42:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-07-20 10:42:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-07-20 10:42:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-07-20 10:42:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-07-20 10:42:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-07-20 10:42:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-20 10:42:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-07-20 10:42:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-07-20 10:42:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-07-20 10:42:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-07-20 10:42:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-07-20 10:42:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-07-20 10:42:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-07-20 10:42:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-07-20 10:42:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-07-20 10:42:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-07-20 10:42:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-20 10:42:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-07-20 10:42:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-07-20 10:42:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-07-20 10:42:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem
[2020-07-20 10:42:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-07-20 10:42:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-07-20 10:42:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-07-20 10:42:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-07-20 10:42:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-07-20 10:42:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-07-20 10:42:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 10:42:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-07-20 10:42:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 10:42:05,710 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 10:42:05,710 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-20 10:42:05,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:42:05 BoogieIcfgContainer
[2020-07-20 10:42:05,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 10:42:05,716 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 10:42:05,716 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 10:42:05,719 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-20 10:42:05,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:42:03" (1/3) ...
[2020-07-20 10:42:05,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f43a509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:42:05, skipping insertion in model container
[2020-07-20 10:42:05,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:04" (2/3) ...
[2020-07-20 10:42:05,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f43a509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:42:05, skipping insertion in model container
[2020-07-20 10:42:05,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:42:05" (3/3) ...
[2020-07-20 10:42:05,723 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product19.cil.c
[2020-07-20 10:42:05,733 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 10:42:05,741 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 10:42:05,755 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 10:42:05,780 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-20 10:42:05,780 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-20 10:42:05,780 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 10:42:05,780 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 10:42:05,781 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 10:42:05,781 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-20 10:42:05,781 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 10:42:05,781 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 10:42:05,805 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states.
[2020-07-20 10:42:05,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2020-07-20 10:42:05,814 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 10:42:05,816 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 10:42:05,816 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 10:42:05,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 10:42:05,823 INFO L82 PathProgramCache]: Analyzing trace with hash 506531791, now seen corresponding path program 1 times
[2020-07-20 10:42:05,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 10:42:05,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [767490501]
[2020-07-20 10:42:05,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:42:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 10:42:06,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 1 conjunts are in the unsatisfiable core
[2020-07-20 10:42:06,095 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 10:42:06,128 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 10:42:06,128 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 10:42:06,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [767490501]
[2020-07-20 10:42:06,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 10:42:06,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-07-20 10:42:06,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774970548]
[2020-07-20 10:42:06,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-07-20 10:42:06,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 10:42:06,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-07-20 10:42:06,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-20 10:42:06,155 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 2 states.
[2020-07-20 10:42:06,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 10:42:06,197 INFO L93 Difference]: Finished difference Result 232 states and 289 transitions.
[2020-07-20 10:42:06,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2020-07-20 10:42:06,198 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52
[2020-07-20 10:42:06,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 10:42:06,211 INFO L225 Difference]: With dead ends: 232
[2020-07-20 10:42:06,211 INFO L226 Difference]: Without dead ends: 116
[2020-07-20 10:42:06,216 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-20 10:42:06,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states.
[2020-07-20 10:42:06,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116.
[2020-07-20 10:42:06,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states.
[2020-07-20 10:42:06,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 136 transitions.
[2020-07-20 10:42:06,273 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 136 transitions. Word has length 52
[2020-07-20 10:42:06,274 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 10:42:06,274 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 136 transitions.
[2020-07-20 10:42:06,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-07-20 10:42:06,274 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 136 transitions.
[2020-07-20 10:42:06,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-07-20 10:42:06,278 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 10:42:06,279 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 10:42:06,494 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:42:06,494 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 10:42:06,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 10:42:06,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1226284601, now seen corresponding path program 1 times
[2020-07-20 10:42:06,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 10:42:06,497 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1919130108]
[2020-07-20 10:42:06,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:42:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 10:42:06,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-20 10:42:06,704 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 10:42:06,779 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 10:42:06,780 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 10:42:06,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1919130108]
[2020-07-20 10:42:06,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 10:42:06,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 10:42:06,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140111962]
[2020-07-20 10:42:06,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 10:42:06,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 10:42:06,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 10:42:06,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 10:42:06,785 INFO L87 Difference]: Start difference. First operand 116 states and 136 transitions. Second operand 3 states.
[2020-07-20 10:42:06,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 10:42:06,823 INFO L93 Difference]: Finished difference Result 175 states and 203 transitions.
[2020-07-20 10:42:06,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 10:42:06,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53
[2020-07-20 10:42:06,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 10:42:06,831 INFO L225 Difference]: With dead ends: 175
[2020-07-20 10:42:06,832 INFO L226 Difference]: Without dead ends: 107
[2020-07-20 10:42:06,833 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 10:42:06,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states.
[2020-07-20 10:42:06,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107.
[2020-07-20 10:42:06,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states.
[2020-07-20 10:42:06,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 124 transitions.
[2020-07-20 10:42:06,865 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 124 transitions. Word has length 53
[2020-07-20 10:42:06,866 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 10:42:06,866 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 124 transitions.
[2020-07-20 10:42:06,866 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 10:42:06,866 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 124 transitions.
[2020-07-20 10:42:06,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58
[2020-07-20 10:42:06,869 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 10:42:06,872 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 10:42:07,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:42:07,088 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 10:42:07,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 10:42:07,089 INFO L82 PathProgramCache]: Analyzing trace with hash -860632419, now seen corresponding path program 1 times
[2020-07-20 10:42:07,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 10:42:07,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1142672788]
[2020-07-20 10:42:07,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:42:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 10:42:07,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-20 10:42:07,259 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 10:42:07,285 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 10:42:07,286 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 10:42:07,286 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1142672788]
[2020-07-20 10:42:07,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 10:42:07,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 10:42:07,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708609841]
[2020-07-20 10:42:07,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 10:42:07,288 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 10:42:07,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 10:42:07,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 10:42:07,288 INFO L87 Difference]: Start difference. First operand 107 states and 124 transitions. Second operand 3 states.
[2020-07-20 10:42:07,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 10:42:07,314 INFO L93 Difference]: Finished difference Result 271 states and 324 transitions.
[2020-07-20 10:42:07,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 10:42:07,314 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57
[2020-07-20 10:42:07,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 10:42:07,318 INFO L225 Difference]: With dead ends: 271
[2020-07-20 10:42:07,318 INFO L226 Difference]: Without dead ends: 188
[2020-07-20 10:42:07,319 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 10:42:07,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states.
[2020-07-20 10:42:07,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 184.
[2020-07-20 10:42:07,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states.
[2020-07-20 10:42:07,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 219 transitions.
[2020-07-20 10:42:07,345 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 219 transitions. Word has length 57
[2020-07-20 10:42:07,346 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 10:42:07,346 INFO L479 AbstractCegarLoop]: Abstraction has 184 states and 219 transitions.
[2020-07-20 10:42:07,346 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 10:42:07,346 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 219 transitions.
[2020-07-20 10:42:07,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64
[2020-07-20 10:42:07,349 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 10:42:07,349 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 10:42:07,562 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:42:07,563 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 10:42:07,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 10:42:07,564 INFO L82 PathProgramCache]: Analyzing trace with hash -792004887, now seen corresponding path program 1 times
[2020-07-20 10:42:07,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 10:42:07,565 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1175492134]
[2020-07-20 10:42:07,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:42:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 10:42:07,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 14 conjunts are in the unsatisfiable core
[2020-07-20 10:42:07,741 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 10:42:07,797 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 10:42:07,798 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 10:42:07,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1175492134]
[2020-07-20 10:42:07,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 10:42:07,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 10:42:07,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007389194]
[2020-07-20 10:42:07,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 10:42:07,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 10:42:07,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 10:42:07,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-20 10:42:07,800 INFO L87 Difference]: Start difference. First operand 184 states and 219 transitions. Second operand 6 states.
[2020-07-20 10:42:08,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 10:42:08,099 INFO L93 Difference]: Finished difference Result 489 states and 607 transitions.
[2020-07-20 10:42:08,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-07-20 10:42:08,100 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63
[2020-07-20 10:42:08,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 10:42:08,108 INFO L225 Difference]: With dead ends: 489
[2020-07-20 10:42:08,109 INFO L226 Difference]: Without dead ends: 329
[2020-07-20 10:42:08,113 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2020-07-20 10:42:08,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states.
[2020-07-20 10:42:08,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 325.
[2020-07-20 10:42:08,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states.
[2020-07-20 10:42:08,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 396 transitions.
[2020-07-20 10:42:08,172 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 396 transitions. Word has length 63
[2020-07-20 10:42:08,172 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 10:42:08,173 INFO L479 AbstractCegarLoop]: Abstraction has 325 states and 396 transitions.
[2020-07-20 10:42:08,173 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 10:42:08,173 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 396 transitions.
[2020-07-20 10:42:08,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68
[2020-07-20 10:42:08,176 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 10:42:08,177 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 10:42:08,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:42:08,391 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 10:42:08,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 10:42:08,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1802868975, now seen corresponding path program 1 times
[2020-07-20 10:42:08,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 10:42:08,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1706337508]
[2020-07-20 10:42:08,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:42:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-20 10:42:08,718 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-20 10:42:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-20 10:42:08,811 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-20 10:42:09,034 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-07-20 10:42:09,035 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-07-20 10:42:09,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:42:09,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:42:09 BoogieIcfgContainer
[2020-07-20 10:42:09,419 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 10:42:09,422 INFO L168 Benchmark]: Toolchain (without parser) took 5545.19 ms. Allocated memory was 136.8 MB in the beginning and 252.7 MB in the end (delta: 115.9 MB). Free memory was 100.6 MB in the beginning and 113.3 MB in the end (delta: -12.8 MB). Peak memory consumption was 103.1 MB. Max. memory is 7.1 GB.
[2020-07-20 10:42:09,423 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
[2020-07-20 10:42:09,424 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.85 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 100.1 MB in the beginning and 168.8 MB in the end (delta: -68.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB.
[2020-07-20 10:42:09,425 INFO L168 Benchmark]: Boogie Preprocessor took 119.34 ms. Allocated memory is still 201.3 MB. Free memory was 168.8 MB in the beginning and 165.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB.
[2020-07-20 10:42:09,426 INFO L168 Benchmark]: RCFGBuilder took 1099.70 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 164.5 MB in the beginning and 195.7 MB in the end (delta: -31.2 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB.
[2020-07-20 10:42:09,427 INFO L168 Benchmark]: TraceAbstraction took 3703.16 ms. Allocated memory was 230.7 MB in the beginning and 252.7 MB in the end (delta: 22.0 MB). Free memory was 195.7 MB in the beginning and 113.3 MB in the end (delta: 82.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 7.1 GB.
[2020-07-20 10:42:09,431 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.19 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 610.85 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 100.1 MB in the beginning and 168.8 MB in the end (delta: -68.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 119.34 ms. Allocated memory is still 201.3 MB. Free memory was 168.8 MB in the beginning and 165.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1099.70 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 164.5 MB in the beginning and 195.7 MB in the end (delta: -31.2 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 3703.16 ms. Allocated memory was 230.7 MB in the beginning and 252.7 MB in the end (delta: 22.0 MB). Free memory was 195.7 MB in the beginning and 113.3 MB in the end (delta: 82.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L293] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L490] int cleanupTimeShifts = 4;
[L594] int waterLevel = 1;
[L595] int methaneLevelCritical = 0;
[L753] int pumpRunning = 0;
[L754] int systemActive = 1;
VAL [\old(cleanupTimeShifts)=68, \old(head)=33, \old(head)=76, \old(methaneLevelCritical)=22, \old(pumpRunning)=54, \old(systemActive)=87, \old(waterLevel)=57, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L568] int retValue_acc ;
[L569] 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]
[L573] 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]
[L574] 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]
[L575] 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]
[L78] int retValue_acc ;
[L81] retValue_acc = 1
[L82] 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]
[L575] 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]
[L575] tmp = valid_product()
[L577] 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]
[L579] 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]
[L580] 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]
[L562] 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]
[L685] int splverifierCounter ;
[L686] int tmp ;
[L687] int tmp___0 ;
[L688] int tmp___1 ;
[L689] int tmp___2 ;
[L692] 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]
[L694] 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]
[L696] 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]
[L702] tmp = __VERIFIER_nondet_int()
[L704] 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]
[L706] 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]
[L612] COND TRUE waterLevel < 2
[L613] 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]
[L706] 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]
[L712] tmp___0 = __VERIFIER_nondet_int()
[L714] 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]
[L722] tmp___2 = __VERIFIER_nondet_int()
[L724] COND FALSE !(\read(tmp___2))
[L728] tmp___1 = __VERIFIER_nondet_int()
[L730] 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]
[L732] 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]
[L908] 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]
[L915] 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]
[L732] 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]
[L739] 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]
[L760] 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]
[L767] 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]
[L775] 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]
[L91] int tmp ;
[L92] int tmp___0 ;
[L93] 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]
[L97] 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]
[L633] int retValue_acc ;
[L636] retValue_acc = methaneLevelCritical
[L637] 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]
[L97] 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]
[L97] tmp = isMethaneLevelCritical()
[L99] 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]
[L103] 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]
[L665] int retValue_acc ;
[L668] retValue_acc = waterLevel
[L669] 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]
[L103] 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]
[L103] tmp___0 = getWaterLevel()
[L105] 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]
[L107] 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]
[L841] int retValue_acc ;
[L844] retValue_acc = pumpRunning
[L845] 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]
[L107] 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]
[L107] tmp___1 = isPumpRunning()
[L109] 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]
[L113] 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]
[L44] __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 38 procedures, 223 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 570 SDtfs, 159 SDslu, 659 SDs, 0 SdLazy, 86 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 223 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=325occurred 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 23257 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2702 ConjunctsInSsa, 25 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...