/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_product17.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-d623d84
[2020-07-21 10:36:50,447 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-21 10:36:50,450 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-21 10:36:50,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-21 10:36:50,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-21 10:36:50,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-21 10:36:50,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-21 10:36:50,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-21 10:36:50,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-21 10:36:50,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-21 10:36:50,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-07-21 10:36:50,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-21 10:36:50,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-21 10:36:50,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-21 10:36:50,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-21 10:36:50,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-21 10:36:50,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-21 10:36:50,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-21 10:36:50,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-21 10:36:50,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-21 10:36:50,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-21 10:36:50,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-21 10:36:50,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-21 10:36:50,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-21 10:36:50,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-21 10:36:50,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-21 10:36:50,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-21 10:36:50,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-21 10:36:50,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-21 10:36:50,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-21 10:36:50,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-21 10:36:50,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-21 10:36:50,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-21 10:36:50,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-21 10:36:50,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-21 10:36:50,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-21 10:36:50,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-21 10:36:50,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-21 10:36:50,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-21 10:36:50,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-21 10:36:50,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-21 10:36:50,546 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 10:36:50,566 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-21 10:36:50,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-21 10:36:50,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-21 10:36:50,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-21 10:36:50,568 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-21 10:36:50,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-21 10:36:50,569 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-21 10:36:50,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-21 10:36:50,569 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-21 10:36:50,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-21 10:36:50,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-21 10:36:50,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-21 10:36:50,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-21 10:36:50,570 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-21 10:36:50,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-21 10:36:50,571 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-21 10:36:50,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-21 10:36:50,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-21 10:36:50,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-21 10:36:50,572 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-21 10:36:50,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-21 10:36:50,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-21 10:36:50,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-21 10:36:50,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-07-21 10:36:50,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-21 10:36:50,573 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-21 10:36:50,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:36:50,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-21 10:36:50,573 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-21 10:36:50,574 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 10:36:50,851 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-21 10:36:50,873 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-21 10:36:50,877 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-21 10:36:50,879 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-21 10:36:50,879 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-21 10:36:50,880 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product17.cil.c
[2020-07-21 10:36:50,939 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/393cbdc73/eccf383603604271bd615e836cdc3d6f/FLAG81f84ea81
[2020-07-21 10:36:51,468 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-21 10:36:51,469 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product17.cil.c
[2020-07-21 10:36:51,483 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/393cbdc73/eccf383603604271bd615e836cdc3d6f/FLAG81f84ea81
[2020-07-21 10:36:51,781 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/393cbdc73/eccf383603604271bd615e836cdc3d6f
[2020-07-21 10:36:51,790 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-21 10:36:51,794 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-21 10:36:51,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-21 10:36:51,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-21 10:36:51,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-21 10:36:51,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:36:51" (1/1) ...
[2020-07-21 10:36:51,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae878bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:51, skipping insertion in model container
[2020-07-21 10:36:51,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:36:51" (1/1) ...
[2020-07-21 10:36:51,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-21 10:36:51,879 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-21 10:36:52,288 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-21 10:36:52,299 INFO L203 MainTranslator]: Completed pre-run
[2020-07-21 10:36:52,377 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-21 10:36:52,411 INFO L208 MainTranslator]: Completed translation
[2020-07-21 10:36:52,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:52 WrapperNode
[2020-07-21 10:36:52,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-21 10:36:52,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-21 10:36:52,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-21 10:36:52,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-21 10:36:52,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:52" (1/1) ...
[2020-07-21 10:36:52,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:52" (1/1) ...
[2020-07-21 10:36:52,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:52" (1/1) ...
[2020-07-21 10:36:52,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:52" (1/1) ...
[2020-07-21 10:36:52,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:52" (1/1) ...
[2020-07-21 10:36:52,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:52" (1/1) ...
[2020-07-21 10:36:52,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:52" (1/1) ...
[2020-07-21 10:36:52,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-21 10:36:52,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-21 10:36:52,517 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-21 10:36:52,517 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-21 10:36:52,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:52" (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 10:36:52,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-21 10:36:52,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-21 10:36:52,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-07-21 10:36:52,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-07-21 10:36:52,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-07-21 10:36:52,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-07-21 10:36:52,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-07-21 10:36:52,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-07-21 10:36:52,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-07-21 10:36:52,609 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-07-21 10:36:52,609 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-07-21 10:36:52,609 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-07-21 10:36:52,610 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-07-21 10:36:52,610 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-07-21 10:36:52,610 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-07-21 10:36:52,610 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-07-21 10:36:52,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-07-21 10:36:52,610 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-07-21 10:36:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-07-21 10:36:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-07-21 10:36:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-07-21 10:36:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-07-21 10:36:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-07-21 10:36:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-07-21 10:36:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-07-21 10:36:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-07-21 10:36:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-07-21 10:36:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-07-21 10:36:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-07-21 10:36:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-07-21 10:36:52,613 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-07-21 10:36:52,613 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-21 10:36:52,613 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-07-21 10:36:52,613 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-07-21 10:36:52,613 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-07-21 10:36:52,613 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-07-21 10:36:52,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-07-21 10:36:52,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-21 10:36:52,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-21 10:36:52,614 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-07-21 10:36:52,614 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-07-21 10:36:52,614 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-07-21 10:36:52,615 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-07-21 10:36:52,615 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-07-21 10:36:52,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-21 10:36:52,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-21 10:36:52,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-07-21 10:36:52,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-21 10:36:52,615 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-07-21 10:36:52,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-21 10:36:52,616 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-07-21 10:36:52,616 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-07-21 10:36:52,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-07-21 10:36:52,616 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-07-21 10:36:52,616 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-07-21 10:36:52,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-21 10:36:52,617 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-07-21 10:36:52,617 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-07-21 10:36:52,617 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-07-21 10:36:52,617 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-07-21 10:36:52,617 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-07-21 10:36:52,617 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-07-21 10:36:52,618 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-07-21 10:36:52,618 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-07-21 10:36:52,618 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-07-21 10:36:52,618 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-07-21 10:36:52,618 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-07-21 10:36:52,618 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-07-21 10:36:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-07-21 10:36:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-07-21 10:36:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-07-21 10:36:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-07-21 10:36:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-07-21 10:36:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-07-21 10:36:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-07-21 10:36:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-07-21 10:36:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-07-21 10:36:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-07-21 10:36:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-07-21 10:36:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-07-21 10:36:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-07-21 10:36:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-07-21 10:36:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-07-21 10:36:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-21 10:36:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-07-21 10:36:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-21 10:36:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-07-21 10:36:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-21 10:36:53,706 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-21 10:36:53,707 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-21 10:36:53,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:36:53 BoogieIcfgContainer
[2020-07-21 10:36:53,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-21 10:36:53,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-21 10:36:53,714 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-21 10:36:53,717 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-21 10:36:53,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:36:51" (1/3) ...
[2020-07-21 10:36:53,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39578a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:36:53, skipping insertion in model container
[2020-07-21 10:36:53,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:52" (2/3) ...
[2020-07-21 10:36:53,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39578a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:36:53, skipping insertion in model container
[2020-07-21 10:36:53,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:36:53" (3/3) ...
[2020-07-21 10:36:53,721 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product17.cil.c
[2020-07-21 10:36:53,731 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-21 10:36:53,739 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-21 10:36:53,753 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-21 10:36:53,780 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-21 10:36:53,780 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-21 10:36:53,780 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-21 10:36:53,780 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-21 10:36:53,781 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-21 10:36:53,781 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-21 10:36:53,781 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-21 10:36:53,781 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-21 10:36:53,806 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states.
[2020-07-21 10:36:53,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2020-07-21 10:36:53,819 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 10:36:53,822 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 10:36:53,823 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:36:53,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:36:53,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1926070200, now seen corresponding path program 1 times
[2020-07-21 10:36:53,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:36:53,841 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1198501357]
[2020-07-21 10:36:53,842 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 10:36:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:36:54,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 1 conjunts are in the unsatisfiable core
[2020-07-21 10:36:54,137 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:36:54,169 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 10:36:54,169 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 10:36:54,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1198501357]
[2020-07-21 10:36:54,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 10:36:54,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-07-21 10:36:54,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345889262]
[2020-07-21 10:36:54,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-07-21 10:36:54,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:36:54,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-07-21 10:36:54,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-21 10:36:54,193 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 2 states.
[2020-07-21 10:36:54,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:36:54,231 INFO L93 Difference]: Finished difference Result 220 states and 273 transitions.
[2020-07-21 10:36:54,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2020-07-21 10:36:54,233 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52
[2020-07-21 10:36:54,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:36:54,245 INFO L225 Difference]: With dead ends: 220
[2020-07-21 10:36:54,245 INFO L226 Difference]: Without dead ends: 110
[2020-07-21 10:36:54,249 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 10:36:54,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states.
[2020-07-21 10:36:54,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110.
[2020-07-21 10:36:54,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states.
[2020-07-21 10:36:54,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 128 transitions.
[2020-07-21 10:36:54,303 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 128 transitions. Word has length 52
[2020-07-21 10:36:54,303 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:36:54,303 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 128 transitions.
[2020-07-21 10:36:54,304 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-07-21 10:36:54,304 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 128 transitions.
[2020-07-21 10:36:54,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-07-21 10:36:54,308 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 10:36:54,308 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 10:36:54,522 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:36:54,523 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:36:54,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:36:54,524 INFO L82 PathProgramCache]: Analyzing trace with hash 475112747, now seen corresponding path program 1 times
[2020-07-21 10:36:54,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:36:54,525 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [454658639]
[2020-07-21 10:36:54,525 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 10:36:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:36:54,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-21 10:36:54,730 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:36:54,813 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 10:36:54,813 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 10:36:54,813 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [454658639]
[2020-07-21 10:36:54,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 10:36:54,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 10:36:54,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489211941]
[2020-07-21 10:36:54,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 10:36:54,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:36:54,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 10:36:54,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 10:36:54,817 INFO L87 Difference]: Start difference. First operand 110 states and 128 transitions. Second operand 3 states.
[2020-07-21 10:36:54,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:36:54,841 INFO L93 Difference]: Finished difference Result 196 states and 235 transitions.
[2020-07-21 10:36:54,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-21 10:36:54,842 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53
[2020-07-21 10:36:54,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:36:54,844 INFO L225 Difference]: With dead ends: 196
[2020-07-21 10:36:54,844 INFO L226 Difference]: Without dead ends: 110
[2020-07-21 10:36:54,846 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 10:36:54,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states.
[2020-07-21 10:36:54,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110.
[2020-07-21 10:36:54,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states.
[2020-07-21 10:36:54,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 127 transitions.
[2020-07-21 10:36:54,861 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 127 transitions. Word has length 53
[2020-07-21 10:36:54,861 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:36:54,862 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 127 transitions.
[2020-07-21 10:36:54,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 10:36:54,862 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions.
[2020-07-21 10:36:54,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2020-07-21 10:36:54,865 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 10:36:54,865 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]
[2020-07-21 10:36:55,077 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:36:55,078 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:36:55,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:36:55,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1164680110, now seen corresponding path program 1 times
[2020-07-21 10:36:55,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:36:55,079 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [991425825]
[2020-07-21 10:36:55,079 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 10:36:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:36:55,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 14 conjunts are in the unsatisfiable core
[2020-07-21 10:36:55,318 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:36:55,384 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 10:36:55,384 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 10:36:55,385 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [991425825]
[2020-07-21 10:36:55,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 10:36:55,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-21 10:36:55,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172682416]
[2020-07-21 10:36:55,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-21 10:36:55,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:36:55,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-21 10:36:55,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-21 10:36:55,387 INFO L87 Difference]: Start difference. First operand 110 states and 127 transitions. Second operand 6 states.
[2020-07-21 10:36:55,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:36:55,633 INFO L93 Difference]: Finished difference Result 273 states and 337 transitions.
[2020-07-21 10:36:55,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-07-21 10:36:55,634 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65
[2020-07-21 10:36:55,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:36:55,638 INFO L225 Difference]: With dead ends: 273
[2020-07-21 10:36:55,638 INFO L226 Difference]: Without dead ends: 178
[2020-07-21 10:36:55,640 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 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 10:36:55,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states.
[2020-07-21 10:36:55,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 176.
[2020-07-21 10:36:55,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states.
[2020-07-21 10:36:55,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 208 transitions.
[2020-07-21 10:36:55,662 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 208 transitions. Word has length 65
[2020-07-21 10:36:55,662 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:36:55,662 INFO L479 AbstractCegarLoop]: Abstraction has 176 states and 208 transitions.
[2020-07-21 10:36:55,663 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-21 10:36:55,663 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 208 transitions.
[2020-07-21 10:36:55,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70
[2020-07-21 10:36:55,666 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 10:36:55,666 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 10:36:55,873 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:36:55,874 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:36:55,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:36:55,875 INFO L82 PathProgramCache]: Analyzing trace with hash 558485620, now seen corresponding path program 1 times
[2020-07-21 10:36:55,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:36:55,876 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1638164739]
[2020-07-21 10:36:55,876 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 10:36:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-21 10:36:56,126 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-21 10:36:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-21 10:36:56,240 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-21 10:36:56,514 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-07-21 10:36:56,514 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-07-21 10:36:56,729 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:36:56,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:36:56 BoogieIcfgContainer
[2020-07-21 10:36:56,885 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-21 10:36:56,890 INFO L168 Benchmark]: Toolchain (without parser) took 5095.32 ms. Allocated memory was 138.4 MB in the beginning and 246.9 MB in the end (delta: 108.5 MB). Free memory was 102.4 MB in the beginning and 159.2 MB in the end (delta: -56.8 MB). Peak memory consumption was 51.7 MB. Max. memory is 7.1 GB.
[2020-07-21 10:36:56,891 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-21 10:36:56,892 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.30 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 102.0 MB in the beginning and 169.7 MB in the end (delta: -67.7 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB.
[2020-07-21 10:36:56,894 INFO L168 Benchmark]: Boogie Preprocessor took 103.59 ms. Allocated memory is still 202.4 MB. Free memory was 169.7 MB in the beginning and 165.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
[2020-07-21 10:36:56,896 INFO L168 Benchmark]: RCFGBuilder took 1195.78 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 165.6 MB in the beginning and 196.9 MB in the end (delta: -31.3 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB.
[2020-07-21 10:36:56,897 INFO L168 Benchmark]: TraceAbstraction took 3172.01 ms. Allocated memory was 235.9 MB in the beginning and 246.9 MB in the end (delta: 11.0 MB). Free memory was 196.9 MB in the beginning and 159.2 MB in the end (delta: 37.7 MB). Peak memory consumption was 48.7 MB. Max. memory is 7.1 GB.
[2020-07-21 10:36:56,905 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 617.30 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 102.0 MB in the beginning and 169.7 MB in the end (delta: -67.7 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 103.59 ms. Allocated memory is still 202.4 MB. Free memory was 169.7 MB in the beginning and 165.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1195.78 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 165.6 MB in the beginning and 196.9 MB in the end (delta: -31.3 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 3172.01 ms. Allocated memory was 235.9 MB in the beginning and 246.9 MB in the end (delta: 11.0 MB). Free memory was 196.9 MB in the beginning and 159.2 MB in the end (delta: 37.7 MB). Peak memory consumption was 48.7 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 506]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L413] int waterLevel = 1;
[L414] int methaneLevelCritical = 0;
[L582] int pumpRunning = 0;
[L583] int systemActive = 1;
[L735] int cleanupTimeShifts = 4;
VAL [\old(cleanupTimeShifts)=90, \old(head)=95, \old(head)=92, \old(methaneLevelCritical)=87, \old(pumpRunning)=64, \old(systemActive)=93, \old(waterLevel)=94, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L811] int retValue_acc ;
[L812] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L816] FCALL select_helpers()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L817] FCALL select_features()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L818] CALL, EXPR valid_product()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L860] int retValue_acc ;
[L863] retValue_acc = 1
[L864] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L818] RET, EXPR valid_product()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1]
[L818] tmp = valid_product()
[L820] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1]
[L822] FCALL setup()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1]
[L823] CALL runTest()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L802] CALL test()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L514] int splverifierCounter ;
[L515] int tmp ;
[L516] int tmp___0 ;
[L517] int tmp___1 ;
[L518] int tmp___2 ;
[L521] splverifierCounter = 0
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L523] COND TRUE 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L525] COND TRUE splverifierCounter < 4
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L531] tmp = __VERIFIER_nondet_int()
[L533] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1]
[L535] CALL waterRise()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L431] COND TRUE waterLevel < 2
[L432] waterLevel = waterLevel + 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L535] RET waterRise()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2]
[L541] tmp___0 = __VERIFIER_nondet_int()
[L543] COND FALSE !(\read(tmp___0))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2]
[L551] tmp___2 = __VERIFIER_nondet_int()
[L553] COND TRUE \read(tmp___2)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2]
[L566] CALL timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L590] COND FALSE !(\read(pumpRunning))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L597] COND TRUE \read(systemActive)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L599] CALL processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L619] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L622] COND FALSE !(\read(pumpRunning))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L637] FCALL processEnvironment__wrappee__base()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L599] RET processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L605] CALL __utac_acc__Specification3_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L870] int tmp ;
[L871] int tmp___0 ;
[L872] int tmp___1 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L876] CALL, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L452] int retValue_acc ;
[L455] retValue_acc = methaneLevelCritical
[L456] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L876] RET, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L876] tmp = isMethaneLevelCritical()
[L878] COND FALSE !(\read(tmp))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L882] CALL, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L484] int retValue_acc ;
[L487] retValue_acc = waterLevel
[L488] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2]
[L882] RET, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L882] tmp___0 = getWaterLevel()
[L884] COND TRUE tmp___0 == 2
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2]
[L886] CALL, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L671] int retValue_acc ;
[L674] retValue_acc = pumpRunning
[L675] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L886] RET, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2]
[L886] tmp___1 = isPumpRunning()
[L888] COND FALSE !(\read(tmp___1))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2]
[L892] CALL __automaton_fail()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L506] __VERIFIER_error()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 37 procedures, 217 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 407 SDtfs, 161 SDslu, 470 SDs, 0 SdLazy, 85 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=176occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 239 NumberOfCodeBlocks, 239 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 167 ConstructedInterpolants, 0 QuantifiedInterpolants, 19969 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1985 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...