./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product22_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_593f424a-4c09-428b-addb-f78fd704c6f2/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_593f424a-4c09-428b-addb-f78fd704c6f2/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_593f424a-4c09-428b-addb-f78fd704c6f2/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_593f424a-4c09-428b-addb-f78fd704c6f2/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product22_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_593f424a-4c09-428b-addb-f78fd704c6f2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_593f424a-4c09-428b-addb-f78fd704c6f2/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 7879ca98f25531324d15e1db6b1d755ab21e7b97 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:13:03,315 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:13:03,316 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:13:03,326 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:13:03,326 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:13:03,327 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:13:03,328 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:13:03,329 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:13:03,331 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:13:03,331 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:13:03,332 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:13:03,332 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:13:03,333 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:13:03,334 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:13:03,335 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:13:03,336 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:13:03,336 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:13:03,338 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:13:03,339 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:13:03,340 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:13:03,341 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:13:03,342 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:13:03,344 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:13:03,344 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:13:03,344 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:13:03,345 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:13:03,346 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:13:03,347 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:13:03,347 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:13:03,348 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:13:03,348 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:13:03,349 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:13:03,349 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:13:03,349 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:13:03,350 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:13:03,350 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:13:03,351 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_593f424a-4c09-428b-addb-f78fd704c6f2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:13:03,362 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:13:03,362 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:13:03,363 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:13:03,363 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:13:03,364 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:13:03,364 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:13:03,364 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:13:03,364 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:13:03,364 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:13:03,365 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:13:03,365 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:13:03,365 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:13:03,365 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:13:03,365 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:13:03,365 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:13:03,366 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:13:03,366 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:13:03,366 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:13:03,366 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:13:03,366 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:13:03,366 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:13:03,367 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:13:03,367 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:13:03,367 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:13:03,367 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:13:03,367 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:13:03,367 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:13:03,368 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:13:03,368 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:13:03,368 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:13:03,368 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_593f424a-4c09-428b-addb-f78fd704c6f2/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 -> 7879ca98f25531324d15e1db6b1d755ab21e7b97 [2018-11-28 12:13:03,397 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:13:03,407 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:13:03,410 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:13:03,412 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:13:03,412 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:13:03,412 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_593f424a-4c09-428b-addb-f78fd704c6f2/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product22_false-unreach-call_false-termination.cil.c [2018-11-28 12:13:03,454 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_593f424a-4c09-428b-addb-f78fd704c6f2/bin-2019/uautomizer/data/80524b5b4/795d87f7749c42849ac606f9248d5566/FLAGaf5812e39 [2018-11-28 12:13:03,840 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:13:03,840 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_593f424a-4c09-428b-addb-f78fd704c6f2/sv-benchmarks/c/product-lines/minepump_spec3_product22_false-unreach-call_false-termination.cil.c [2018-11-28 12:13:03,848 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_593f424a-4c09-428b-addb-f78fd704c6f2/bin-2019/uautomizer/data/80524b5b4/795d87f7749c42849ac606f9248d5566/FLAGaf5812e39 [2018-11-28 12:13:04,231 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_593f424a-4c09-428b-addb-f78fd704c6f2/bin-2019/uautomizer/data/80524b5b4/795d87f7749c42849ac606f9248d5566 [2018-11-28 12:13:04,233 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:13:04,234 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:13:04,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:13:04,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:13:04,237 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:13:04,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:13:04" (1/1) ... [2018-11-28 12:13:04,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f17983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:13:04, skipping insertion in model container [2018-11-28 12:13:04,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:13:04" (1/1) ... [2018-11-28 12:13:04,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:13:04,276 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:13:04,484 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:13:04,545 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:13:04,601 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:13:04,620 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:13:04,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:13:04 WrapperNode [2018-11-28 12:13:04,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:13:04,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:13:04,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:13:04,621 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:13:04,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:13:04" (1/1) ... [2018-11-28 12:13:04,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:13:04" (1/1) ... [2018-11-28 12:13:04,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:13:04,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:13:04,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:13:04,655 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:13:04,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:13:04" (1/1) ... [2018-11-28 12:13:04,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:13:04" (1/1) ... [2018-11-28 12:13:04,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:13:04" (1/1) ... [2018-11-28 12:13:04,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:13:04" (1/1) ... [2018-11-28 12:13:04,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:13:04" (1/1) ... [2018-11-28 12:13:04,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:13:04" (1/1) ... [2018-11-28 12:13:04,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:13:04" (1/1) ... [2018-11-28 12:13:04,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:13:04,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:13:04,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:13:04,691 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:13:04,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:13:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_593f424a-4c09-428b-addb-f78fd704c6f2/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 12:13:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 12:13:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 12:13:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:13:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:13:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 12:13:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 12:13:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:13:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 12:13:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 12:13:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 12:13:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 12:13:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 12:13:04,737 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 12:13:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 12:13:04,737 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 12:13:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 12:13:04,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 12:13:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 12:13:04,737 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 12:13:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 12:13:04,737 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 12:13:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 12:13:04,738 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 12:13:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 12:13:04,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 12:13:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 12:13:04,738 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 12:13:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 12:13:04,738 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 12:13:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 12:13:04,738 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 12:13:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 12:13:04,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 12:13:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 12:13:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 12:13:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 12:13:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 12:13:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 12:13:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 12:13:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 12:13:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 12:13:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 12:13:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 12:13:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 12:13:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 12:13:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:13:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:13:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:13:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 12:13:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 12:13:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-28 12:13:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-28 12:13:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 12:13:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 12:13:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:13:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:13:05,236 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:13:05,236 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 12:13:05,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:13:05 BoogieIcfgContainer [2018-11-28 12:13:05,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:13:05,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:13:05,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:13:05,240 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:13:05,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:13:04" (1/3) ... [2018-11-28 12:13:05,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@399cdbdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:13:05, skipping insertion in model container [2018-11-28 12:13:05,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:13:04" (2/3) ... [2018-11-28 12:13:05,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@399cdbdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:13:05, skipping insertion in model container [2018-11-28 12:13:05,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:13:05" (3/3) ... [2018-11-28 12:13:05,242 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product22_false-unreach-call_false-termination.cil.c [2018-11-28 12:13:05,249 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:13:05,256 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:13:05,266 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:13:05,289 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:13:05,290 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:13:05,290 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:13:05,290 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:13:05,290 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:13:05,290 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:13:05,291 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:13:05,291 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:13:05,291 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:13:05,311 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2018-11-28 12:13:05,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 12:13:05,319 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:13:05,320 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 12:13:05,322 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:13:05,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:13:05,328 INFO L82 PathProgramCache]: Analyzing trace with hash 889966552, now seen corresponding path program 1 times [2018-11-28 12:13:05,330 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:13:05,330 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:13:05,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:13:05,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:13:05,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:13:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:13:05,534 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 12:13:05,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:13:05,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:13:05,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 12:13:05,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 12:13:05,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:13:05,553 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 2 states. [2018-11-28 12:13:05,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:13:05,580 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2018-11-28 12:13:05,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 12:13:05,581 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-28 12:13:05,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:13:05,589 INFO L225 Difference]: With dead ends: 258 [2018-11-28 12:13:05,589 INFO L226 Difference]: Without dead ends: 129 [2018-11-28 12:13:05,592 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 12:13:05,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-11-28 12:13:05,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-11-28 12:13:05,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-11-28 12:13:05,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 152 transitions. [2018-11-28 12:13:05,635 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 152 transitions. Word has length 52 [2018-11-28 12:13:05,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:13:05,635 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 152 transitions. [2018-11-28 12:13:05,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 12:13:05,635 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 152 transitions. [2018-11-28 12:13:05,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 12:13:05,639 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:13:05,639 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 12:13:05,640 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:13:05,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:13:05,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1224387725, now seen corresponding path program 1 times [2018-11-28 12:13:05,640 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:13:05,640 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:13:05,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:13:05,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:13:05,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:13:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:13:05,721 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 12:13:05,721 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:13:05,721 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:13:05,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:13:05,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:13:05,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:13:05,724 INFO L87 Difference]: Start difference. First operand 129 states and 152 transitions. Second operand 3 states. [2018-11-28 12:13:05,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:13:05,744 INFO L93 Difference]: Finished difference Result 203 states and 239 transitions. [2018-11-28 12:13:05,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:13:05,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-28 12:13:05,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:13:05,749 INFO L225 Difference]: With dead ends: 203 [2018-11-28 12:13:05,749 INFO L226 Difference]: Without dead ends: 120 [2018-11-28 12:13:05,750 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 12:13:05,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-11-28 12:13:05,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-11-28 12:13:05,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-11-28 12:13:05,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2018-11-28 12:13:05,762 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 53 [2018-11-28 12:13:05,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:13:05,762 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2018-11-28 12:13:05,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:13:05,763 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2018-11-28 12:13:05,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-28 12:13:05,764 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:13:05,764 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] [2018-11-28 12:13:05,764 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:13:05,765 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:13:05,765 INFO L82 PathProgramCache]: Analyzing trace with hash -975212031, now seen corresponding path program 1 times [2018-11-28 12:13:05,766 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:13:05,766 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:13:05,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:13:05,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:13:05,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:13:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:13:05,882 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 12:13:05,882 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:13:05,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:13:05,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:13:05,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:13:05,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:13:05,883 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 7 states. [2018-11-28 12:13:06,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:13:06,098 INFO L93 Difference]: Finished difference Result 216 states and 257 transitions. [2018-11-28 12:13:06,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:13:06,099 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-28 12:13:06,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:13:06,101 INFO L225 Difference]: With dead ends: 216 [2018-11-28 12:13:06,101 INFO L226 Difference]: Without dead ends: 120 [2018-11-28 12:13:06,102 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 12:13:06,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-11-28 12:13:06,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-11-28 12:13:06,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-11-28 12:13:06,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2018-11-28 12:13:06,114 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 58 [2018-11-28 12:13:06,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:13:06,115 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2018-11-28 12:13:06,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:13:06,115 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2018-11-28 12:13:06,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-28 12:13:06,117 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:13:06,117 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, 1, 1, 1, 1] [2018-11-28 12:13:06,117 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:13:06,118 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:13:06,118 INFO L82 PathProgramCache]: Analyzing trace with hash 571741202, now seen corresponding path program 1 times [2018-11-28 12:13:06,118 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:13:06,118 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:13:06,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:13:06,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:13:06,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:13:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:13:06,220 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 12:13:06,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:13:06,220 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:13:06,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:13:06,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:13:06,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:13:06,221 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand 6 states. [2018-11-28 12:13:06,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:13:06,365 INFO L93 Difference]: Finished difference Result 301 states and 365 transitions. [2018-11-28 12:13:06,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:13:06,366 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2018-11-28 12:13:06,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:13:06,369 INFO L225 Difference]: With dead ends: 301 [2018-11-28 12:13:06,369 INFO L226 Difference]: Without dead ends: 205 [2018-11-28 12:13:06,370 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 12:13:06,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-11-28 12:13:06,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 203. [2018-11-28 12:13:06,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-11-28 12:13:06,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 241 transitions. [2018-11-28 12:13:06,395 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 241 transitions. Word has length 71 [2018-11-28 12:13:06,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:13:06,395 INFO L480 AbstractCegarLoop]: Abstraction has 203 states and 241 transitions. [2018-11-28 12:13:06,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:13:06,396 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 241 transitions. [2018-11-28 12:13:06,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-28 12:13:06,399 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:13:06,399 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:13:06,400 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:13:06,400 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:13:06,400 INFO L82 PathProgramCache]: Analyzing trace with hash -605888200, now seen corresponding path program 1 times [2018-11-28 12:13:06,400 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:13:06,400 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:13:06,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:13:06,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:13:06,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:13:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:13:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:13:06,512 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 12:13:06,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:13:06 BoogieIcfgContainer [2018-11-28 12:13:06,617 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:13:06,618 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:13:06,618 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:13:06,618 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:13:06,618 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:13:05" (3/4) ... [2018-11-28 12:13:06,620 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 12:13:06,708 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_593f424a-4c09-428b-addb-f78fd704c6f2/bin-2019/uautomizer/witness.graphml [2018-11-28 12:13:06,709 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:13:06,709 INFO L168 Benchmark]: Toolchain (without parser) took 2475.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.7 MB). Free memory was 956.0 MB in the beginning and 888.1 MB in the end (delta: 67.9 MB). Peak memory consumption was 244.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:13:06,711 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:13:06,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.7 MB). Free memory was 956.0 MB in the beginning and 1.2 GB in the end (delta: -209.9 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2018-11-28 12:13:06,711 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-28 12:13:06,712 INFO L168 Benchmark]: Boogie Preprocessor took 36.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:13:06,712 INFO L168 Benchmark]: RCFGBuilder took 545.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 51.8 MB). Peak memory consumption was 51.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:13:06,712 INFO L168 Benchmark]: TraceAbstraction took 1380.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 913.5 MB in the end (delta: 197.5 MB). Peak memory consumption was 197.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:13:06,712 INFO L168 Benchmark]: Witness Printer took 90.99 ms. Allocated memory is still 1.2 GB. Free memory was 913.5 MB in the beginning and 888.1 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:13:06,714 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 386.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.7 MB). Free memory was 956.0 MB in the beginning and 1.2 GB in the end (delta: -209.9 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 545.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 51.8 MB). Peak memory consumption was 51.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1380.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 913.5 MB in the end (delta: 197.5 MB). Peak memory consumption was 197.5 MB. Max. memory is 11.5 GB. * Witness Printer took 90.99 ms. Allocated memory is still 1.2 GB. Free memory was 913.5 MB in the beginning and 888.1 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 140]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L145] int cleanupTimeShifts = 4; [L286] int pumpRunning = 0; [L287] int systemActive = 1; [L709] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L224] int retValue_acc ; [L225] 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] [L229] 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] [L230] 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] [L231] 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] [L273] int retValue_acc ; [L276] retValue_acc = 1 [L277] 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] [L231] 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] [L231] tmp = valid_product() [L233] 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] [L235] 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] [L236] 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] [L215] 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] [L474] int splverifierCounter ; [L475] int tmp ; [L476] int tmp___0 ; [L477] int tmp___1 ; [L478] int tmp___2 ; [L481] 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] [L483] 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] [L485] 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] [L491] tmp = __VERIFIER_nondet_int() [L493] 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] [L495] 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] [L65] COND TRUE waterLevel < 2 [L66] 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] [L495] 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] [L501] tmp___0 = __VERIFIER_nondet_int() [L503] 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] [L511] tmp___2 = __VERIFIER_nondet_int() [L513] COND FALSE !(\read(tmp___2)) [L519] tmp___1 = __VERIFIER_nondet_int() [L521] 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] [L528] 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=1, waterLevel=2] [L294] 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=1, waterLevel=2] [L301] COND TRUE \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=1, waterLevel=2] [L303] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L349] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L352] 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=1, waterLevel=2] [L367] CALL processEnvironment__wrappee__lowWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L323] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L326] 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=1, waterLevel=2] [L341] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L367] RET processEnvironment__wrappee__lowWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L303] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L309] 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=1, waterLevel=2] [L907] int tmp ; [L908] int tmp___0 ; [L909] 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=1, waterLevel=2] [L913] 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=1, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] 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=1, waterLevel=2] [L913] 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=1, waterLevel=2] [L913] tmp = isMethaneLevelCritical() [L915] 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=1, tmp=0, waterLevel=2] [L919] 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=1, waterLevel=2] [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] 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=1, waterLevel=2] [L919] 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=1, tmp=0, waterLevel=2] [L919] tmp___0 = getWaterLevel() [L921] 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=1, tmp=0, tmp___0=2, waterLevel=2] [L923] 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=1, waterLevel=2] [L401] int retValue_acc ; [L404] retValue_acc = pumpRunning [L405] 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=1, waterLevel=2] [L923] 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=1, tmp=0, tmp___0=2, waterLevel=2] [L923] tmp___1 = isPumpRunning() [L925] 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=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L929] 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=1, waterLevel=2] [L140] __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=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 142 locations, 1 error locations. UNSAFE Result, 1.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 592 SDtfs, 229 SDslu, 933 SDs, 0 SdLazy, 208 SolverSat, 13 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=203occurred 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 309 NumberOfCodeBlocks, 309 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 22692 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...