./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product52_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fe5ec38f-6f67-40a7-a286-ab11792cdbfb/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fe5ec38f-6f67-40a7-a286-ab11792cdbfb/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fe5ec38f-6f67-40a7-a286-ab11792cdbfb/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fe5ec38f-6f67-40a7-a286-ab11792cdbfb/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product52_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fe5ec38f-6f67-40a7-a286-ab11792cdbfb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fe5ec38f-6f67-40a7-a286-ab11792cdbfb/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 406c0cc89d56bc86617076fb4c755244f0ec13e7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-635dfa2 [2018-12-03 06:07:38,100 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 06:07:38,102 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 06:07:38,108 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 06:07:38,108 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 06:07:38,108 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 06:07:38,109 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 06:07:38,110 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 06:07:38,110 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 06:07:38,111 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 06:07:38,111 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 06:07:38,111 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 06:07:38,112 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 06:07:38,112 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 06:07:38,113 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 06:07:38,113 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 06:07:38,114 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 06:07:38,115 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 06:07:38,116 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 06:07:38,116 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 06:07:38,117 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 06:07:38,117 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 06:07:38,119 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 06:07:38,119 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 06:07:38,119 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 06:07:38,119 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 06:07:38,120 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 06:07:38,120 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 06:07:38,121 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 06:07:38,121 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 06:07:38,121 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 06:07:38,122 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 06:07:38,122 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 06:07:38,122 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 06:07:38,122 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 06:07:38,123 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 06:07:38,123 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fe5ec38f-6f67-40a7-a286-ab11792cdbfb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 06:07:38,130 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 06:07:38,130 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 06:07:38,130 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 06:07:38,131 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 06:07:38,131 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 06:07:38,131 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 06:07:38,131 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 06:07:38,131 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 06:07:38,131 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 06:07:38,131 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 06:07:38,131 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 06:07:38,131 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 06:07:38,131 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 06:07:38,132 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 06:07:38,132 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 06:07:38,132 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 06:07:38,132 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 06:07:38,132 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 06:07:38,132 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 06:07:38,132 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 06:07:38,132 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 06:07:38,132 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 06:07:38,132 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 06:07:38,133 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 06:07:38,133 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 06:07:38,133 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 06:07:38,133 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 06:07:38,133 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 06:07:38,133 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 06:07:38,133 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 06:07:38,133 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 06:07:38,133 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 06:07:38,133 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 06:07:38,133 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 06:07:38,134 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 06:07:38,134 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 06:07:38,134 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_fe5ec38f-6f67-40a7-a286-ab11792cdbfb/bin-2019/utaipan 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 -> Taipan 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 -> 406c0cc89d56bc86617076fb4c755244f0ec13e7 [2018-12-03 06:07:38,150 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 06:07:38,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 06:07:38,159 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 06:07:38,160 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 06:07:38,160 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 06:07:38,161 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fe5ec38f-6f67-40a7-a286-ab11792cdbfb/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product52_false-unreach-call_false-termination.cil.c [2018-12-03 06:07:38,196 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fe5ec38f-6f67-40a7-a286-ab11792cdbfb/bin-2019/utaipan/data/496350898/57016e8fe1d4475c88c27e527c6cf531/FLAGbe4219a89 [2018-12-03 06:07:38,647 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 06:07:38,647 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fe5ec38f-6f67-40a7-a286-ab11792cdbfb/sv-benchmarks/c/product-lines/minepump_spec3_product52_false-unreach-call_false-termination.cil.c [2018-12-03 06:07:38,653 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fe5ec38f-6f67-40a7-a286-ab11792cdbfb/bin-2019/utaipan/data/496350898/57016e8fe1d4475c88c27e527c6cf531/FLAGbe4219a89 [2018-12-03 06:07:38,661 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fe5ec38f-6f67-40a7-a286-ab11792cdbfb/bin-2019/utaipan/data/496350898/57016e8fe1d4475c88c27e527c6cf531 [2018-12-03 06:07:38,663 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 06:07:38,664 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 06:07:38,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 06:07:38,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 06:07:38,666 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 06:07:38,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:07:38" (1/1) ... [2018-12-03 06:07:38,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@396438e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:07:38, skipping insertion in model container [2018-12-03 06:07:38,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:07:38" (1/1) ... [2018-12-03 06:07:38,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 06:07:38,693 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 06:07:38,839 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 06:07:38,882 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 06:07:38,925 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 06:07:38,941 INFO L195 MainTranslator]: Completed translation [2018-12-03 06:07:38,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:07:38 WrapperNode [2018-12-03 06:07:38,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 06:07:38,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 06:07:38,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 06:07:38,942 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 06:07:38,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:07:38" (1/1) ... [2018-12-03 06:07:38,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:07:38" (1/1) ... [2018-12-03 06:07:38,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 06:07:38,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 06:07:38,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 06:07:38,963 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 06:07:38,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:07:38" (1/1) ... [2018-12-03 06:07:38,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:07:38" (1/1) ... [2018-12-03 06:07:38,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:07:38" (1/1) ... [2018-12-03 06:07:38,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:07:38" (1/1) ... [2018-12-03 06:07:38,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:07:38" (1/1) ... [2018-12-03 06:07:38,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:07:38" (1/1) ... [2018-12-03 06:07:38,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:07:38" (1/1) ... [2018-12-03 06:07:38,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 06:07:38,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 06:07:38,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 06:07:38,985 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 06:07:38,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:07:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe5ec38f-6f67-40a7-a286-ab11792cdbfb/bin-2019/utaipan/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 [2018-12-03 06:07:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-03 06:07:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-03 06:07:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 06:07:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 06:07:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-03 06:07:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-03 06:07:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-03 06:07:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-03 06:07:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 06:07:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-03 06:07:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-03 06:07:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-03 06:07:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-03 06:07:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-03 06:07:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-03 06:07:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-03 06:07:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-03 06:07:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-03 06:07:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-03 06:07:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-03 06:07:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-03 06:07:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-03 06:07:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-03 06:07:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-03 06:07:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-03 06:07:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-03 06:07:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-03 06:07:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-03 06:07:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-03 06:07:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-03 06:07:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-03 06:07:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-03 06:07:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-03 06:07:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-03 06:07:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-03 06:07:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-03 06:07:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-03 06:07:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 06:07:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 06:07:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-03 06:07:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-03 06:07:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-03 06:07:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-03 06:07:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-03 06:07:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-03 06:07:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-03 06:07:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-03 06:07:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-03 06:07:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-03 06:07:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-03 06:07:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-03 06:07:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 06:07:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 06:07:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 06:07:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-03 06:07:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-03 06:07:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-03 06:07:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-03 06:07:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-03 06:07:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-03 06:07:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 06:07:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 06:07:39,365 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 06:07:39,365 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 06:07:39,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:07:39 BoogieIcfgContainer [2018-12-03 06:07:39,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 06:07:39,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 06:07:39,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 06:07:39,368 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 06:07:39,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 06:07:38" (1/3) ... [2018-12-03 06:07:39,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67188f3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 06:07:39, skipping insertion in model container [2018-12-03 06:07:39,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:07:38" (2/3) ... [2018-12-03 06:07:39,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67188f3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 06:07:39, skipping insertion in model container [2018-12-03 06:07:39,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:07:39" (3/3) ... [2018-12-03 06:07:39,370 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product52_false-unreach-call_false-termination.cil.c [2018-12-03 06:07:39,376 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 06:07:39,381 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 06:07:39,391 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 06:07:39,411 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 06:07:39,411 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 06:07:39,411 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 06:07:39,411 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 06:07:39,411 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 06:07:39,411 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 06:07:39,412 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 06:07:39,412 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 06:07:39,424 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2018-12-03 06:07:39,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-03 06:07:39,429 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:07:39,430 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] [2018-12-03 06:07:39,431 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:07:39,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:07:39,435 INFO L82 PathProgramCache]: Analyzing trace with hash 762700349, now seen corresponding path program 1 times [2018-12-03 06:07:39,436 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:07:39,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:07:39,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:07:39,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:07:39,465 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:07:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:07:39,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:07:39,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:07:39,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 06:07:39,576 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:07:39,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 06:07:39,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 06:07:39,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 06:07:39,588 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2018-12-03 06:07:39,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:07:39,612 INFO L93 Difference]: Finished difference Result 288 states and 355 transitions. [2018-12-03 06:07:39,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 06:07:39,613 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-03 06:07:39,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:07:39,621 INFO L225 Difference]: With dead ends: 288 [2018-12-03 06:07:39,621 INFO L226 Difference]: Without dead ends: 144 [2018-12-03 06:07:39,623 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 [2018-12-03 06:07:39,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-12-03 06:07:39,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-12-03 06:07:39,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-12-03 06:07:39,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 169 transitions. [2018-12-03 06:07:39,654 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 169 transitions. Word has length 52 [2018-12-03 06:07:39,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:07:39,654 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 169 transitions. [2018-12-03 06:07:39,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 06:07:39,654 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 169 transitions. [2018-12-03 06:07:39,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-03 06:07:39,656 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:07:39,656 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] [2018-12-03 06:07:39,656 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:07:39,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:07:39,656 INFO L82 PathProgramCache]: Analyzing trace with hash 164630867, now seen corresponding path program 1 times [2018-12-03 06:07:39,657 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:07:39,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:07:39,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:07:39,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:07:39,657 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:07:39,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:07:39,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:07:39,714 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:07:39,714 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 06:07:39,714 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:07:39,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 06:07:39,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 06:07:39,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 06:07:39,716 INFO L87 Difference]: Start difference. First operand 144 states and 169 transitions. Second operand 3 states. [2018-12-03 06:07:39,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:07:39,729 INFO L93 Difference]: Finished difference Result 227 states and 265 transitions. [2018-12-03 06:07:39,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 06:07:39,729 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-03 06:07:39,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:07:39,730 INFO L225 Difference]: With dead ends: 227 [2018-12-03 06:07:39,730 INFO L226 Difference]: Without dead ends: 135 [2018-12-03 06:07:39,731 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 [2018-12-03 06:07:39,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-12-03 06:07:39,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-12-03 06:07:39,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-12-03 06:07:39,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 157 transitions. [2018-12-03 06:07:39,739 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 157 transitions. Word has length 53 [2018-12-03 06:07:39,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:07:39,739 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 157 transitions. [2018-12-03 06:07:39,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 06:07:39,739 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 157 transitions. [2018-12-03 06:07:39,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-03 06:07:39,740 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:07:39,740 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] [2018-12-03 06:07:39,740 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:07:39,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:07:39,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1958832895, now seen corresponding path program 1 times [2018-12-03 06:07:39,741 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:07:39,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:07:39,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:07:39,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:07:39,741 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:07:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:07:39,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:07:39,830 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:07:39,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 06:07:39,830 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:07:39,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 06:07:39,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 06:07:39,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-03 06:07:39,830 INFO L87 Difference]: Start difference. First operand 135 states and 157 transitions. Second operand 7 states. [2018-12-03 06:07:40,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:07:40,074 INFO L93 Difference]: Finished difference Result 413 states and 498 transitions. [2018-12-03 06:07:40,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 06:07:40,074 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-03 06:07:40,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:07:40,077 INFO L225 Difference]: With dead ends: 413 [2018-12-03 06:07:40,077 INFO L226 Difference]: Without dead ends: 302 [2018-12-03 06:07:40,079 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 [2018-12-03 06:07:40,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2018-12-03 06:07:40,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 290. [2018-12-03 06:07:40,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2018-12-03 06:07:40,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 349 transitions. [2018-12-03 06:07:40,105 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 349 transitions. Word has length 58 [2018-12-03 06:07:40,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:07:40,105 INFO L480 AbstractCegarLoop]: Abstraction has 290 states and 349 transitions. [2018-12-03 06:07:40,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 06:07:40,106 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 349 transitions. [2018-12-03 06:07:40,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-03 06:07:40,108 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:07:40,108 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] [2018-12-03 06:07:40,108 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:07:40,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:07:40,109 INFO L82 PathProgramCache]: Analyzing trace with hash 622176747, now seen corresponding path program 1 times [2018-12-03 06:07:40,109 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:07:40,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:07:40,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:07:40,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:07:40,110 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:07:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:07:40,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:07:40,186 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:07:40,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 06:07:40,186 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:07:40,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 06:07:40,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 06:07:40,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 06:07:40,187 INFO L87 Difference]: Start difference. First operand 290 states and 349 transitions. Second operand 6 states. [2018-12-03 06:07:40,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:07:40,318 INFO L93 Difference]: Finished difference Result 795 states and 1003 transitions. [2018-12-03 06:07:40,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 06:07:40,318 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-12-03 06:07:40,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:07:40,321 INFO L225 Difference]: With dead ends: 795 [2018-12-03 06:07:40,321 INFO L226 Difference]: Without dead ends: 529 [2018-12-03 06:07:40,322 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 [2018-12-03 06:07:40,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2018-12-03 06:07:40,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 523. [2018-12-03 06:07:40,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2018-12-03 06:07:40,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 638 transitions. [2018-12-03 06:07:40,347 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 638 transitions. Word has length 63 [2018-12-03 06:07:40,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:07:40,347 INFO L480 AbstractCegarLoop]: Abstraction has 523 states and 638 transitions. [2018-12-03 06:07:40,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 06:07:40,347 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 638 transitions. [2018-12-03 06:07:40,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-03 06:07:40,349 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:07:40,349 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] [2018-12-03 06:07:40,350 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:07:40,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:07:40,350 INFO L82 PathProgramCache]: Analyzing trace with hash 59452977, now seen corresponding path program 1 times [2018-12-03 06:07:40,350 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:07:40,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:07:40,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:07:40,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:07:40,351 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:07:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 06:07:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 06:07:40,444 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-03 06:07:40,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 06:07:40 BoogieIcfgContainer [2018-12-03 06:07:40,506 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 06:07:40,507 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 06:07:40,507 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 06:07:40,507 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 06:07:40,507 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:07:39" (3/4) ... [2018-12-03 06:07:40,509 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-03 06:07:40,576 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fe5ec38f-6f67-40a7-a286-ab11792cdbfb/bin-2019/utaipan/witness.graphml [2018-12-03 06:07:40,576 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 06:07:40,576 INFO L168 Benchmark]: Toolchain (without parser) took 1913.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 947.0 MB in the beginning and 826.2 MB in the end (delta: 120.8 MB). Peak memory consumption was 276.0 MB. Max. memory is 11.5 GB. [2018-12-03 06:07:40,577 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 06:07:40,578 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -192.7 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-03 06:07:40,578 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.67 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. [2018-12-03 06:07:40,578 INFO L168 Benchmark]: Boogie Preprocessor took 21.98 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. [2018-12-03 06:07:40,578 INFO L168 Benchmark]: RCFGBuilder took 380.83 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: 55.1 MB). Peak memory consumption was 55.1 MB. Max. memory is 11.5 GB. [2018-12-03 06:07:40,579 INFO L168 Benchmark]: TraceAbstraction took 1140.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 846.1 MB in the end (delta: 238.5 MB). Peak memory consumption was 238.5 MB. Max. memory is 11.5 GB. [2018-12-03 06:07:40,579 INFO L168 Benchmark]: Witness Printer took 69.19 ms. Allocated memory is still 1.2 GB. Free memory was 846.1 MB in the beginning and 826.2 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-12-03 06:07:40,580 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 277.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -192.7 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.67 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 21.98 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. * RCFGBuilder took 380.83 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: 55.1 MB). Peak memory consumption was 55.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1140.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 846.1 MB in the end (delta: 238.5 MB). Peak memory consumption was 238.5 MB. Max. memory is 11.5 GB. * Witness Printer took 69.19 ms. Allocated memory is still 1.2 GB. Free memory was 846.1 MB in the beginning and 826.2 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 853]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L84] int waterLevel = 1; [L85] int methaneLevelCritical = 0; [L356] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L559] int pumpRunning = 0; [L560] int systemActive = 1; [L896] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=198, \old(head)=199, \old(head)=186, \old(methaneLevelCritical)=156, \old(pumpRunning)=144, \old(systemActive)=143, \old(waterLevel)=153, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L969] int retValue_acc ; [L970] 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] [L974] 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] [L975] 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] [L976] 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] [L887] int retValue_acc ; [L890] retValue_acc = 1 [L891] 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] [L976] 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] [L976] tmp = valid_product() [L978] 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] [L980] 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] [L981] 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] [L963] 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] [L781] int splverifierCounter ; [L782] int tmp ; [L783] int tmp___0 ; [L784] int tmp___1 ; [L785] int tmp___2 ; [L788] 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] [L790] 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] [L792] 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] [L798] tmp = __VERIFIER_nondet_int() [L800] 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] [L802] 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] [L102] COND TRUE waterLevel < 2 [L103] 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] [L802] 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] [L808] tmp___0 = __VERIFIER_nondet_int() [L810] 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] [L818] tmp___2 = __VERIFIER_nondet_int() [L820] 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] [L759] 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] [L766] 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] [L566] 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] [L573] 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] [L581] 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] [L45] int tmp ; [L46] int tmp___0 ; [L47] 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] [L51] 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] [L123] int retValue_acc ; [L126] retValue_acc = methaneLevelCritical [L127] 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] [L51] 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] [L51] tmp = isMethaneLevelCritical() [L53] 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] [L57] 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] [L155] int retValue_acc ; [L158] retValue_acc = waterLevel [L159] 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] [L57] 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] [L57] tmp___0 = getWaterLevel() [L59] 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] [L61] 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] [L673] int retValue_acc ; [L676] retValue_acc = pumpRunning [L677] 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] [L61] 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] [L61] tmp___1 = isPumpRunning() [L63] 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] [L67] 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] [L853] __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 30 procedures, 157 locations, 1 error locations. UNSAFE Result, 1.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 721 SDtfs, 377 SDslu, 1413 SDs, 0 SdLazy, 325 SolverSat, 16 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=523occurred 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, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 293 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 21060 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...