./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product43_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3035edd5-295e-4176-8276-0a98b467e102/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3035edd5-295e-4176-8276-0a98b467e102/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3035edd5-295e-4176-8276-0a98b467e102/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3035edd5-295e-4176-8276-0a98b467e102/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product43_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3035edd5-295e-4176-8276-0a98b467e102/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3035edd5-295e-4176-8276-0a98b467e102/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b50f176f9cc083683ce70010cc4357ff865e696 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:39:29,706 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:39:29,708 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:39:29,717 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:39:29,717 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:39:29,718 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:39:29,719 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:39:29,720 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:39:29,721 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:39:29,722 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:39:29,722 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:39:29,722 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:39:29,723 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:39:29,724 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:39:29,725 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:39:29,725 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:39:29,726 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:39:29,727 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:39:29,729 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:39:29,730 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:39:29,731 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:39:29,731 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:39:29,733 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:39:29,733 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:39:29,733 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:39:29,734 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:39:29,735 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:39:29,735 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:39:29,736 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:39:29,737 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:39:29,737 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:39:29,737 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:39:29,737 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:39:29,738 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:39:29,738 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:39:29,739 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:39:29,739 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3035edd5-295e-4176-8276-0a98b467e102/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:39:29,749 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:39:29,749 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:39:29,750 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:39:29,750 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:39:29,750 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:39:29,750 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:39:29,751 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:39:29,751 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:39:29,751 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:39:29,751 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:39:29,751 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:39:29,751 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:39:29,751 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:39:29,752 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:39:29,752 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:39:29,752 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:39:29,752 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:39:29,752 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:39:29,752 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:39:29,752 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:39:29,753 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:39:29,753 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:39:29,753 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:39:29,753 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:39:29,753 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:39:29,753 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:39:29,753 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:39:29,753 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:39:29,754 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:39:29,754 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:39:29,754 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_3035edd5-295e-4176-8276-0a98b467e102/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b50f176f9cc083683ce70010cc4357ff865e696 [2018-11-28 12:39:29,778 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:39:29,788 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:39:29,790 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:39:29,791 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:39:29,792 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:39:29,792 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3035edd5-295e-4176-8276-0a98b467e102/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product43_false-unreach-call_false-termination.cil.c [2018-11-28 12:39:29,834 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3035edd5-295e-4176-8276-0a98b467e102/bin-2019/uautomizer/data/2928b95ad/c7d7013f198a43169d225122aeac6b05/FLAG3543ba6bf [2018-11-28 12:39:30,197 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:39:30,198 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3035edd5-295e-4176-8276-0a98b467e102/sv-benchmarks/c/product-lines/minepump_spec3_product43_false-unreach-call_false-termination.cil.c [2018-11-28 12:39:30,206 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3035edd5-295e-4176-8276-0a98b467e102/bin-2019/uautomizer/data/2928b95ad/c7d7013f198a43169d225122aeac6b05/FLAG3543ba6bf [2018-11-28 12:39:30,596 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3035edd5-295e-4176-8276-0a98b467e102/bin-2019/uautomizer/data/2928b95ad/c7d7013f198a43169d225122aeac6b05 [2018-11-28 12:39:30,598 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:39:30,598 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:39:30,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:39:30,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:39:30,602 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:39:30,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:39:30" (1/1) ... [2018-11-28 12:39:30,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bc25303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:39:30, skipping insertion in model container [2018-11-28 12:39:30,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:39:30" (1/1) ... [2018-11-28 12:39:30,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:39:30,636 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:39:30,821 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:39:30,832 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:39:30,942 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:39:30,964 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:39:30,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:39:30 WrapperNode [2018-11-28 12:39:30,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:39:30,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:39:30,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:39:30,966 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:39:30,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:39:30" (1/1) ... [2018-11-28 12:39:30,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:39:30" (1/1) ... [2018-11-28 12:39:30,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:39:30,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:39:30,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:39:30,994 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:39:31,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:39:30" (1/1) ... [2018-11-28 12:39:31,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:39:30" (1/1) ... [2018-11-28 12:39:31,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:39:30" (1/1) ... [2018-11-28 12:39:31,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:39:30" (1/1) ... [2018-11-28 12:39:31,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:39:30" (1/1) ... [2018-11-28 12:39:31,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:39:30" (1/1) ... [2018-11-28 12:39:31,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:39:30" (1/1) ... [2018-11-28 12:39:31,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:39:31,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:39:31,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:39:31,026 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:39:31,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:39:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3035edd5-295e-4176-8276-0a98b467e102/bin-2019/uautomizer/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 [2018-11-28 12:39:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 12:39:31,062 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 12:39:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:39:31,062 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:39:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 12:39:31,063 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 12:39:31,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:39:31,063 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 12:39:31,063 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 12:39:31,063 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 12:39:31,063 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 12:39:31,063 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 12:39:31,063 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 12:39:31,063 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 12:39:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 12:39:31,064 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 12:39:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 12:39:31,064 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 12:39:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 12:39:31,064 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 12:39:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 12:39:31,064 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 12:39:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 12:39:31,065 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 12:39:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 12:39:31,065 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 12:39:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 12:39:31,065 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 12:39:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 12:39:31,065 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 12:39:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 12:39:31,065 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 12:39:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 12:39:31,065 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 12:39:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 12:39:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 12:39:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 12:39:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 12:39:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 12:39:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 12:39:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 12:39:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 12:39:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 12:39:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 12:39:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 12:39:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-28 12:39:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-28 12:39:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:39:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:39:31,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:39:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 12:39:31,067 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 12:39:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-28 12:39:31,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-28 12:39:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 12:39:31,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 12:39:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:39:31,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:39:31,445 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:39:31,445 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 12:39:31,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:39:31 BoogieIcfgContainer [2018-11-28 12:39:31,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:39:31,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:39:31,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:39:31,449 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:39:31,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:39:30" (1/3) ... [2018-11-28 12:39:31,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5695edc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:39:31, skipping insertion in model container [2018-11-28 12:39:31,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:39:30" (2/3) ... [2018-11-28 12:39:31,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5695edc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:39:31, skipping insertion in model container [2018-11-28 12:39:31,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:39:31" (3/3) ... [2018-11-28 12:39:31,452 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product43_false-unreach-call_false-termination.cil.c [2018-11-28 12:39:31,458 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:39:31,464 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:39:31,474 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:39:31,493 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:39:31,494 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:39:31,494 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:39:31,494 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:39:31,494 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:39:31,494 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:39:31,494 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:39:31,494 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:39:31,494 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:39:31,514 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2018-11-28 12:39:31,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 12:39:31,521 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:39:31,521 INFO L402 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] [2018-11-28 12:39:31,523 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:39:31,527 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:39:31,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1704595610, now seen corresponding path program 1 times [2018-11-28 12:39:31,528 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:39:31,528 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:39:31,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:39:31,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:39:31,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:39:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:39:31,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:39:31,717 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:39:31,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:39:31,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 12:39:31,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 12:39:31,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:39:31,732 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states. [2018-11-28 12:39:31,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:39:31,757 INFO L93 Difference]: Finished difference Result 264 states and 325 transitions. [2018-11-28 12:39:31,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 12:39:31,758 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-28 12:39:31,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:39:31,765 INFO L225 Difference]: With dead ends: 264 [2018-11-28 12:39:31,765 INFO L226 Difference]: Without dead ends: 132 [2018-11-28 12:39:31,768 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:39:31,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-11-28 12:39:31,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-11-28 12:39:31,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-11-28 12:39:31,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 154 transitions. [2018-11-28 12:39:31,804 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 154 transitions. Word has length 52 [2018-11-28 12:39:31,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:39:31,805 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 154 transitions. [2018-11-28 12:39:31,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 12:39:31,805 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 154 transitions. [2018-11-28 12:39:31,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 12:39:31,808 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:39:31,808 INFO L402 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] [2018-11-28 12:39:31,808 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:39:31,808 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:39:31,809 INFO L82 PathProgramCache]: Analyzing trace with hash 818267954, now seen corresponding path program 1 times [2018-11-28 12:39:31,809 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:39:31,809 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:39:31,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:39:31,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:39:31,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:39:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:39:31,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:39:31,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:39:31,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:39:31,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:39:31,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:39:31,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:39:31,882 INFO L87 Difference]: Start difference. First operand 132 states and 154 transitions. Second operand 3 states. [2018-11-28 12:39:31,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:39:31,901 INFO L93 Difference]: Finished difference Result 204 states and 237 transitions. [2018-11-28 12:39:31,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:39:31,901 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-28 12:39:31,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:39:31,903 INFO L225 Difference]: With dead ends: 204 [2018-11-28 12:39:31,903 INFO L226 Difference]: Without dead ends: 123 [2018-11-28 12:39:31,904 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:39:31,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-11-28 12:39:31,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-11-28 12:39:31,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-11-28 12:39:31,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2018-11-28 12:39:31,915 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 53 [2018-11-28 12:39:31,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:39:31,915 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2018-11-28 12:39:31,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:39:31,915 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2018-11-28 12:39:31,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 12:39:31,916 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:39:31,917 INFO L402 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] [2018-11-28 12:39:31,917 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:39:31,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:39:31,917 INFO L82 PathProgramCache]: Analyzing trace with hash 151374284, now seen corresponding path program 1 times [2018-11-28 12:39:31,917 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:39:31,917 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:39:31,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:39:31,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:39:31,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:39:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:39:32,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:39:32,032 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:39:32,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:39:32,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:39:32,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:39:32,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:39:32,034 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 7 states. [2018-11-28 12:39:32,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:39:32,338 INFO L93 Difference]: Finished difference Result 377 states and 451 transitions. [2018-11-28 12:39:32,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:39:32,339 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-28 12:39:32,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:39:32,341 INFO L225 Difference]: With dead ends: 377 [2018-11-28 12:39:32,341 INFO L226 Difference]: Without dead ends: 278 [2018-11-28 12:39:32,342 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:39:32,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-11-28 12:39:32,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 258. [2018-11-28 12:39:32,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2018-11-28 12:39:32,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 307 transitions. [2018-11-28 12:39:32,368 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 307 transitions. Word has length 57 [2018-11-28 12:39:32,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:39:32,369 INFO L480 AbstractCegarLoop]: Abstraction has 258 states and 307 transitions. [2018-11-28 12:39:32,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:39:32,369 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 307 transitions. [2018-11-28 12:39:32,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-28 12:39:32,372 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:39:32,372 INFO L402 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] [2018-11-28 12:39:32,376 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:39:32,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:39:32,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1591934802, now seen corresponding path program 1 times [2018-11-28 12:39:32,376 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:39:32,376 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:39:32,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:39:32,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:39:32,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:39:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:39:32,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:39:32,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:39:32,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:39:32,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:39:32,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:39:32,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:39:32,469 INFO L87 Difference]: Start difference. First operand 258 states and 307 transitions. Second operand 6 states. [2018-11-28 12:39:32,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:39:32,599 INFO L93 Difference]: Finished difference Result 699 states and 873 transitions. [2018-11-28 12:39:32,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:39:32,599 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-11-28 12:39:32,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:39:32,607 INFO L225 Difference]: With dead ends: 699 [2018-11-28 12:39:32,608 INFO L226 Difference]: Without dead ends: 465 [2018-11-28 12:39:32,609 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:39:32,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2018-11-28 12:39:32,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 459. [2018-11-28 12:39:32,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2018-11-28 12:39:32,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 554 transitions. [2018-11-28 12:39:32,646 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 554 transitions. Word has length 63 [2018-11-28 12:39:32,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:39:32,647 INFO L480 AbstractCegarLoop]: Abstraction has 459 states and 554 transitions. [2018-11-28 12:39:32,647 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:39:32,647 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 554 transitions. [2018-11-28 12:39:32,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-28 12:39:32,651 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:39:32,651 INFO L402 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] [2018-11-28 12:39:32,651 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:39:32,651 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:39:32,651 INFO L82 PathProgramCache]: Analyzing trace with hash 925315700, now seen corresponding path program 1 times [2018-11-28 12:39:32,652 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:39:32,652 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:39:32,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:39:32,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:39:32,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:39:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:39:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:39:32,746 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 12:39:32,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:39:32 BoogieIcfgContainer [2018-11-28 12:39:32,821 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:39:32,821 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:39:32,822 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:39:32,822 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:39:32,823 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:39:31" (3/4) ... [2018-11-28 12:39:32,825 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 12:39:32,903 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3035edd5-295e-4176-8276-0a98b467e102/bin-2019/uautomizer/witness.graphml [2018-11-28 12:39:32,903 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:39:32,904 INFO L168 Benchmark]: Toolchain (without parser) took 2305.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 956.7 MB in the beginning and 842.3 MB in the end (delta: 114.4 MB). Peak memory consumption was 261.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:39:32,905 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 984.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:39:32,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 956.7 MB in the beginning and 1.1 GB in the end (delta: -177.2 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:39:32,905 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:39:32,905 INFO L168 Benchmark]: Boogie Preprocessor took 30.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:39:32,906 INFO L168 Benchmark]: RCFGBuilder took 420.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:39:32,906 INFO L168 Benchmark]: TraceAbstraction took 1374.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 868.9 MB in the end (delta: 214.0 MB). Peak memory consumption was 214.0 MB. Max. memory is 11.5 GB. [2018-11-28 12:39:32,906 INFO L168 Benchmark]: Witness Printer took 81.67 ms. Allocated memory is still 1.2 GB. Free memory was 868.9 MB in the beginning and 842.3 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:39:32,909 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 984.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 366.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 956.7 MB in the beginning and 1.1 GB in the end (delta: -177.2 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 420.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1374.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 868.9 MB in the end (delta: 214.0 MB). Peak memory consumption was 214.0 MB. Max. memory is 11.5 GB. * Witness Printer took 81.67 ms. Allocated memory is still 1.2 GB. Free memory was 868.9 MB in the beginning and 842.3 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 148]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L359] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L597] int pumpRunning = 0; [L598] int systemActive = 1; [L849] int waterLevel = 1; [L850] int methaneLevelCritical = 0; [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] [L582] int retValue_acc ; [L585] retValue_acc = 1 [L586] 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] [L783] int splverifierCounter ; [L784] int tmp ; [L785] int tmp___0 ; [L786] int tmp___1 ; [L787] int tmp___2 ; [L790] 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] [L792] 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] [L794] 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] [L800] tmp = __VERIFIER_nondet_int() [L802] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L804] 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] [L867] COND TRUE waterLevel < 2 [L868] 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] [L804] 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] [L810] tmp___0 = __VERIFIER_nondet_int() [L812] 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] [L820] tmp___2 = __VERIFIER_nondet_int() [L822] COND FALSE !(\read(tmp___2)) [L826] tmp___1 = __VERIFIER_nondet_int() [L828] 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] [L830] 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] [L770] 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] [L777] 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] [L830] 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] [L837] 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] [L604] 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] [L611] 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] [L619] 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] [L157] int tmp ; [L158] int tmp___0 ; [L159] 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] [L163] 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] [L888] int retValue_acc ; [L891] retValue_acc = methaneLevelCritical [L892] 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] [L163] 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] [L163] tmp = isMethaneLevelCritical() [L165] 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] [L169] 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] [L920] int retValue_acc ; [L923] retValue_acc = waterLevel [L924] 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] [L169] 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] [L169] tmp___0 = getWaterLevel() [L171] 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] [L173] 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] [L703] int retValue_acc ; [L706] retValue_acc = pumpRunning [L707] 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] [L173] 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] [L173] tmp___1 = isPumpRunning() [L175] 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] [L179] 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] [L148] __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 28 procedures, 145 locations, 1 error locations. UNSAFE Result, 1.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 655 SDtfs, 335 SDslu, 1298 SDs, 0 SdLazy, 287 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=459occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 26 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 20709 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...