/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_product63.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-d623d84
[2020-07-21 10:37:15,450 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-21 10:37:15,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-21 10:37:15,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-21 10:37:15,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-21 10:37:15,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-21 10:37:15,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-21 10:37:15,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-21 10:37:15,488 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-21 10:37:15,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-21 10:37:15,490 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-07-21 10:37:15,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-21 10:37:15,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-21 10:37:15,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-21 10:37:15,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-21 10:37:15,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-21 10:37:15,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-21 10:37:15,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-21 10:37:15,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-21 10:37:15,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-21 10:37:15,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-21 10:37:15,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-21 10:37:15,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-21 10:37:15,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-21 10:37:15,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-21 10:37:15,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-21 10:37:15,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-21 10:37:15,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-21 10:37:15,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-21 10:37:15,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-21 10:37:15,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-21 10:37:15,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-21 10:37:15,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-21 10:37:15,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-21 10:37:15,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-21 10:37:15,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-21 10:37:15,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-21 10:37:15,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-21 10:37:15,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-21 10:37:15,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-21 10:37:15,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-21 10:37:15,518 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-07-21 10:37:15,532 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-21 10:37:15,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-21 10:37:15,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-21 10:37:15,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-21 10:37:15,534 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-21 10:37:15,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-21 10:37:15,534 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-21 10:37:15,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-21 10:37:15,534 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-21 10:37:15,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-21 10:37:15,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-21 10:37:15,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-21 10:37:15,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-21 10:37:15,535 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-21 10:37:15,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-21 10:37:15,536 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-21 10:37:15,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-21 10:37:15,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-21 10:37:15,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-21 10:37:15,537 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-21 10:37:15,537 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-21 10:37:15,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-21 10:37:15,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-21 10:37:15,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-07-21 10:37:15,538 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-21 10:37:15,538 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-21 10:37:15,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:37:15,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-21 10:37:15,538 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-21 10:37:15,539 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY
[2020-07-21 10:37:15,797 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-21 10:37:15,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-21 10:37:15,817 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-21 10:37:15,818 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-21 10:37:15,820 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-21 10:37:15,821 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product63.cil.c
[2020-07-21 10:37:15,887 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86d27abd7/0f8bc9fd99c948fab5ca75b71baaa1b9/FLAG46a160e8f
[2020-07-21 10:37:16,386 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-21 10:37:16,387 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product63.cil.c
[2020-07-21 10:37:16,403 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86d27abd7/0f8bc9fd99c948fab5ca75b71baaa1b9/FLAG46a160e8f
[2020-07-21 10:37:16,757 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86d27abd7/0f8bc9fd99c948fab5ca75b71baaa1b9
[2020-07-21 10:37:16,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-21 10:37:16,767 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-21 10:37:16,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-21 10:37:16,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-21 10:37:16,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-21 10:37:16,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:37:16" (1/1) ...
[2020-07-21 10:37:16,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d5e8696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:16, skipping insertion in model container
[2020-07-21 10:37:16,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:37:16" (1/1) ...
[2020-07-21 10:37:16,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-21 10:37:16,850 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-21 10:37:17,288 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-21 10:37:17,302 INFO L203 MainTranslator]: Completed pre-run
[2020-07-21 10:37:17,400 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-21 10:37:17,445 INFO L208 MainTranslator]: Completed translation
[2020-07-21 10:37:17,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:17 WrapperNode
[2020-07-21 10:37:17,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-21 10:37:17,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-21 10:37:17,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-21 10:37:17,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-21 10:37:17,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:17" (1/1) ...
[2020-07-21 10:37:17,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:17" (1/1) ...
[2020-07-21 10:37:17,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:17" (1/1) ...
[2020-07-21 10:37:17,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:17" (1/1) ...
[2020-07-21 10:37:17,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:17" (1/1) ...
[2020-07-21 10:37:17,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:17" (1/1) ...
[2020-07-21 10:37:17,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:17" (1/1) ...
[2020-07-21 10:37:17,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-21 10:37:17,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-21 10:37:17,570 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-21 10:37:17,574 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-21 10:37:17,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:17" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-21 10:37:17,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-21 10:37:17,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-21 10:37:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-07-21 10:37:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-07-21 10:37:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-07-21 10:37:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-07-21 10:37:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-07-21 10:37:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-21 10:37:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-07-21 10:37:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-07-21 10:37:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-07-21 10:37:17,658 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-07-21 10:37:17,658 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-07-21 10:37:17,659 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-07-21 10:37:17,659 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2020-07-21 10:37:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2020-07-21 10:37:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-07-21 10:37:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor
[2020-07-21 10:37:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-07-21 10:37:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-07-21 10:37:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-07-21 10:37:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-07-21 10:37:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-07-21 10:37:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-07-21 10:37:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-07-21 10:37:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-07-21 10:37:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-07-21 10:37:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-07-21 10:37:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-07-21 10:37:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-07-21 10:37:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-07-21 10:37:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-07-21 10:37:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-07-21 10:37:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-07-21 10:37:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-07-21 10:37:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-07-21 10:37:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-07-21 10:37:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-07-21 10:37:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-07-21 10:37:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-07-21 10:37:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-07-21 10:37:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-07-21 10:37:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-07-21 10:37:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-21 10:37:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-21 10:37:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-07-21 10:37:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-07-21 10:37:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-07-21 10:37:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-07-21 10:37:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-07-21 10:37:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-07-21 10:37:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-07-21 10:37:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-07-21 10:37:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-07-21 10:37:17,668 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-07-21 10:37:17,668 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-07-21 10:37:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-07-21 10:37:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-07-21 10:37:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-21 10:37:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-07-21 10:37:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-07-21 10:37:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-07-21 10:37:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-07-21 10:37:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-07-21 10:37:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-07-21 10:37:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-07-21 10:37:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-07-21 10:37:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-07-21 10:37:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem
[2020-07-21 10:37:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-07-21 10:37:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-07-21 10:37:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-07-21 10:37:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-07-21 10:37:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2020-07-21 10:37:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-07-21 10:37:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2020-07-21 10:37:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-07-21 10:37:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor
[2020-07-21 10:37:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-21 10:37:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-07-21 10:37:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-07-21 10:37:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-07-21 10:37:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-07-21 10:37:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-07-21 10:37:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-07-21 10:37:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-21 10:37:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-21 10:37:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-07-21 10:37:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-21 10:37:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-07-21 10:37:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-21 10:37:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-07-21 10:37:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-07-21 10:37:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-07-21 10:37:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-07-21 10:37:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-07-21 10:37:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-07-21 10:37:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-21 10:37:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-07-21 10:37:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-21 10:37:18,900 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-21 10:37:18,901 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-21 10:37:18,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:37:18 BoogieIcfgContainer
[2020-07-21 10:37:18,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-21 10:37:18,908 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-21 10:37:18,908 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-21 10:37:18,911 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-21 10:37:18,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:37:16" (1/3) ...
[2020-07-21 10:37:18,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e93312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:37:18, skipping insertion in model container
[2020-07-21 10:37:18,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:17" (2/3) ...
[2020-07-21 10:37:18,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e93312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:37:18, skipping insertion in model container
[2020-07-21 10:37:18,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:37:18" (3/3) ...
[2020-07-21 10:37:18,914 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product63.cil.c
[2020-07-21 10:37:18,924 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-21 10:37:18,932 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-21 10:37:18,945 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-21 10:37:18,970 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-21 10:37:18,970 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-21 10:37:18,970 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-21 10:37:18,970 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-21 10:37:18,971 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-21 10:37:18,971 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-21 10:37:18,971 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-21 10:37:18,971 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-21 10:37:18,994 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states.
[2020-07-21 10:37:19,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2020-07-21 10:37:19,008 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 10:37:19,009 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 10:37:19,010 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:37:19,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:37:19,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1970857402, now seen corresponding path program 1 times
[2020-07-21 10:37:19,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:37:19,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1886469173]
[2020-07-21 10:37:19,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:37:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:37:19,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 1 conjunts are in the unsatisfiable core
[2020-07-21 10:37:19,265 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:37:19,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 10:37:19,299 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 10:37:19,300 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1886469173]
[2020-07-21 10:37:19,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 10:37:19,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-07-21 10:37:19,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322407026]
[2020-07-21 10:37:19,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-07-21 10:37:19,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:37:19,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-07-21 10:37:19,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-21 10:37:19,323 INFO L87 Difference]: Start difference. First operand 205 states. Second operand 2 states.
[2020-07-21 10:37:19,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:37:19,378 INFO L93 Difference]: Finished difference Result 324 states and 405 transitions.
[2020-07-21 10:37:19,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2020-07-21 10:37:19,380 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52
[2020-07-21 10:37:19,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:37:19,392 INFO L225 Difference]: With dead ends: 324
[2020-07-21 10:37:19,392 INFO L226 Difference]: Without dead ends: 162
[2020-07-21 10:37:19,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-21 10:37:19,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states.
[2020-07-21 10:37:19,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162.
[2020-07-21 10:37:19,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states.
[2020-07-21 10:37:19,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 194 transitions.
[2020-07-21 10:37:19,455 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 194 transitions. Word has length 52
[2020-07-21 10:37:19,456 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:37:19,456 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 194 transitions.
[2020-07-21 10:37:19,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-07-21 10:37:19,456 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 194 transitions.
[2020-07-21 10:37:19,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-07-21 10:37:19,461 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 10:37:19,461 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 10:37:19,677 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:37:19,677 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:37:19,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:37:19,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1981154653, now seen corresponding path program 1 times
[2020-07-21 10:37:19,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:37:19,679 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [708290748]
[2020-07-21 10:37:19,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:37:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:37:19,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-21 10:37:19,918 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:37:19,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 10:37:19,970 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 10:37:19,970 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [708290748]
[2020-07-21 10:37:19,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 10:37:19,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 10:37:19,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509079091]
[2020-07-21 10:37:19,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 10:37:19,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:37:19,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 10:37:19,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 10:37:19,977 INFO L87 Difference]: Start difference. First operand 162 states and 194 transitions. Second operand 3 states.
[2020-07-21 10:37:20,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:37:20,023 INFO L93 Difference]: Finished difference Result 267 states and 319 transitions.
[2020-07-21 10:37:20,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-21 10:37:20,026 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53
[2020-07-21 10:37:20,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:37:20,029 INFO L225 Difference]: With dead ends: 267
[2020-07-21 10:37:20,029 INFO L226 Difference]: Without dead ends: 153
[2020-07-21 10:37:20,034 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 10:37:20,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states.
[2020-07-21 10:37:20,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153.
[2020-07-21 10:37:20,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states.
[2020-07-21 10:37:20,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 182 transitions.
[2020-07-21 10:37:20,061 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 182 transitions. Word has length 53
[2020-07-21 10:37:20,061 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:37:20,061 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 182 transitions.
[2020-07-21 10:37:20,063 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 10:37:20,063 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 182 transitions.
[2020-07-21 10:37:20,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58
[2020-07-21 10:37:20,068 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 10:37:20,069 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]
[2020-07-21 10:37:20,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:37:20,280 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:37:20,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:37:20,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1942602443, now seen corresponding path program 1 times
[2020-07-21 10:37:20,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:37:20,281 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2001580396]
[2020-07-21 10:37:20,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:37:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:37:20,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-21 10:37:20,469 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:37:20,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 10:37:20,490 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 10:37:20,491 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2001580396]
[2020-07-21 10:37:20,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 10:37:20,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 10:37:20,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414774879]
[2020-07-21 10:37:20,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 10:37:20,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:37:20,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 10:37:20,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 10:37:20,493 INFO L87 Difference]: Start difference. First operand 153 states and 182 transitions. Second operand 3 states.
[2020-07-21 10:37:20,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:37:20,520 INFO L93 Difference]: Finished difference Result 409 states and 498 transitions.
[2020-07-21 10:37:20,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-21 10:37:20,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57
[2020-07-21 10:37:20,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:37:20,528 INFO L225 Difference]: With dead ends: 409
[2020-07-21 10:37:20,528 INFO L226 Difference]: Without dead ends: 280
[2020-07-21 10:37:20,532 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
[2020-07-21 10:37:20,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states.
[2020-07-21 10:37:20,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 276.
[2020-07-21 10:37:20,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states.
[2020-07-21 10:37:20,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 335 transitions.
[2020-07-21 10:37:20,568 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 335 transitions. Word has length 57
[2020-07-21 10:37:20,568 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:37:20,568 INFO L479 AbstractCegarLoop]: Abstraction has 276 states and 335 transitions.
[2020-07-21 10:37:20,568 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 10:37:20,569 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 335 transitions.
[2020-07-21 10:37:20,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64
[2020-07-21 10:37:20,571 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 10:37:20,572 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]
[2020-07-21 10:37:20,786 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:37:20,787 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:37:20,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:37:20,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1716572839, now seen corresponding path program 1 times
[2020-07-21 10:37:20,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:37:20,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1471701594]
[2020-07-21 10:37:20,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:37:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:37:20,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 14 conjunts are in the unsatisfiable core
[2020-07-21 10:37:20,991 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:37:21,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 10:37:21,041 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 10:37:21,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1471701594]
[2020-07-21 10:37:21,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 10:37:21,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-21 10:37:21,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521140055]
[2020-07-21 10:37:21,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-21 10:37:21,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:37:21,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-21 10:37:21,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-21 10:37:21,044 INFO L87 Difference]: Start difference. First operand 276 states and 335 transitions. Second operand 6 states.
[2020-07-21 10:37:21,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:37:21,397 INFO L93 Difference]: Finished difference Result 765 states and 983 transitions.
[2020-07-21 10:37:21,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-07-21 10:37:21,397 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63
[2020-07-21 10:37:21,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:37:21,402 INFO L225 Difference]: With dead ends: 765
[2020-07-21 10:37:21,403 INFO L226 Difference]: Without dead ends: 513
[2020-07-21 10:37:21,404 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
[2020-07-21 10:37:21,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states.
[2020-07-21 10:37:21,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 509.
[2020-07-21 10:37:21,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 509 states.
[2020-07-21 10:37:21,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 640 transitions.
[2020-07-21 10:37:21,456 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 640 transitions. Word has length 63
[2020-07-21 10:37:21,457 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:37:21,457 INFO L479 AbstractCegarLoop]: Abstraction has 509 states and 640 transitions.
[2020-07-21 10:37:21,457 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-21 10:37:21,458 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 640 transitions.
[2020-07-21 10:37:21,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68
[2020-07-21 10:37:21,464 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 10:37:21,465 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]
[2020-07-21 10:37:21,679 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:37:21,680 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:37:21,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:37:21,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1081719041, now seen corresponding path program 1 times
[2020-07-21 10:37:21,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:37:21,681 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [951785613]
[2020-07-21 10:37:21,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:37:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-21 10:37:21,915 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-21 10:37:22,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-21 10:37:22,028 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-21 10:37:22,219 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-07-21 10:37:22,219 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-07-21 10:37:22,433 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:37:22,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:37:22 BoogieIcfgContainer
[2020-07-21 10:37:22,586 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-21 10:37:22,589 INFO L168 Benchmark]: Toolchain (without parser) took 5821.25 ms. Allocated memory was 138.9 MB in the beginning and 292.0 MB in the end (delta: 153.1 MB). Free memory was 102.5 MB in the beginning and 232.4 MB in the end (delta: -129.9 MB). Peak memory consumption was 122.6 MB. Max. memory is 7.1 GB.
[2020-07-21 10:37:22,589 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-21 10:37:22,590 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.36 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 102.1 MB in the beginning and 170.1 MB in the end (delta: -68.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB.
[2020-07-21 10:37:22,591 INFO L168 Benchmark]: Boogie Preprocessor took 123.50 ms. Allocated memory is still 202.9 MB. Free memory was 170.1 MB in the beginning and 166.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
[2020-07-21 10:37:22,592 INFO L168 Benchmark]: RCFGBuilder took 1336.76 ms. Allocated memory was 202.9 MB in the beginning and 237.0 MB in the end (delta: 34.1 MB). Free memory was 166.0 MB in the beginning and 193.1 MB in the end (delta: -27.1 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB.
[2020-07-21 10:37:22,593 INFO L168 Benchmark]: TraceAbstraction took 3678.29 ms. Allocated memory was 237.0 MB in the beginning and 292.0 MB in the end (delta: 55.1 MB). Free memory was 191.6 MB in the beginning and 232.4 MB in the end (delta: -40.7 MB). Peak memory consumption was 113.6 MB. Max. memory is 7.1 GB.
[2020-07-21 10:37:22,597 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 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 677.36 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 102.1 MB in the beginning and 170.1 MB in the end (delta: -68.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 123.50 ms. Allocated memory is still 202.9 MB. Free memory was 170.1 MB in the beginning and 166.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1336.76 ms. Allocated memory was 202.9 MB in the beginning and 237.0 MB in the end (delta: 34.1 MB). Free memory was 166.0 MB in the beginning and 193.1 MB in the end (delta: -27.1 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 3678.29 ms. Allocated memory was 237.0 MB in the beginning and 292.0 MB in the end (delta: 55.1 MB). Free memory was 191.6 MB in the beginning and 232.4 MB in the end (delta: -40.7 MB). Peak memory consumption was 113.6 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 619]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L40] int cleanupTimeShifts = 4;
[L188] int pumpRunning = 0;
[L189] int systemActive = 1;
[L512] int waterLevel = 1;
[L513] int methaneLevelCritical = 0;
[L827] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [\old(cleanupTimeShifts)=33, \old(head)=74, \old(head)=69, \old(methaneLevelCritical)=46, \old(pumpRunning)=62, \old(systemActive)=78, \old(waterLevel)=53, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L121] int retValue_acc ;
[L122] 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]
[L126] 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]
[L127] 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]
[L128] 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]
[L170] int retValue_acc ;
[L173] retValue_acc = 1
[L174] 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]
[L128] 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]
[L128] tmp = valid_product()
[L130] 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]
[L132] 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]
[L133] 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]
[L112] 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]
[L445] int splverifierCounter ;
[L446] int tmp ;
[L447] int tmp___0 ;
[L448] int tmp___1 ;
[L449] int tmp___2 ;
[L452] 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]
[L454] 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]
[L456] 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]
[L462] tmp = __VERIFIER_nondet_int()
[L464] 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]
[L466] 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]
[L530] COND TRUE waterLevel < 2
[L531] 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]
[L466] 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]
[L472] tmp___0 = __VERIFIER_nondet_int()
[L474] 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]
[L482] tmp___2 = __VERIFIER_nondet_int()
[L484] COND FALSE !(\read(tmp___2))
[L488] tmp___1 = __VERIFIER_nondet_int()
[L490] 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]
[L492] 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]
[L432] 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]
[L439] 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]
[L492] 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]
[L499] 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]
[L196] 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]
[L203] 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]
[L211] 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]
[L625] int tmp ;
[L626] int tmp___0 ;
[L627] 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]
[L631] 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]
[L551] int retValue_acc ;
[L554] retValue_acc = methaneLevelCritical
[L555] 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]
[L631] 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]
[L631] tmp = isMethaneLevelCritical()
[L633] 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]
[L637] 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]
[L583] int retValue_acc ;
[L586] retValue_acc = waterLevel
[L587] 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]
[L637] 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]
[L637] tmp___0 = getWaterLevel()
[L639] 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]
[L641] 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]
[L346] int retValue_acc ;
[L349] retValue_acc = pumpRunning
[L350] 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]
[L641] 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]
[L641] tmp___1 = isPumpRunning()
[L643] 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]
[L647] 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]
[L619] __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 43 procedures, 261 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 837 SDtfs, 281 SDslu, 986 SDs, 0 SdLazy, 119 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s 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=509occurred 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, 0.5s 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...