./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product56_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_7f52ebe9-5cbc-419b-938c-9954d40c9953/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7f52ebe9-5cbc-419b-938c-9954d40c9953/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7f52ebe9-5cbc-419b-938c-9954d40c9953/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7f52ebe9-5cbc-419b-938c-9954d40c9953/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product56_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7f52ebe9-5cbc-419b-938c-9954d40c9953/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7f52ebe9-5cbc-419b-938c-9954d40c9953/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 525453629ce87b69ed1d4100e13fdb9e0c8a872a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:23:27,137 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:23:27,138 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:23:27,145 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:23:27,146 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:23:27,146 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:23:27,147 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:23:27,148 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:23:27,149 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:23:27,150 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:23:27,150 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:23:27,151 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:23:27,151 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:23:27,152 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:23:27,153 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:23:27,153 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:23:27,154 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:23:27,155 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:23:27,157 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:23:27,158 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:23:27,158 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:23:27,159 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:23:27,161 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:23:27,161 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:23:27,161 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:23:27,162 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:23:27,163 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:23:27,163 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:23:27,164 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:23:27,165 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:23:27,165 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:23:27,165 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:23:27,166 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:23:27,166 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:23:27,166 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:23:27,167 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:23:27,167 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7f52ebe9-5cbc-419b-938c-9954d40c9953/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:23:27,177 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:23:27,177 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:23:27,178 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:23:27,178 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:23:27,178 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:23:27,179 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:23:27,179 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:23:27,179 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:23:27,179 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:23:27,179 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:23:27,179 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:23:27,179 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:23:27,179 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:23:27,180 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:23:27,180 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:23:27,180 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:23:27,180 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:23:27,180 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:23:27,180 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:23:27,180 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:23:27,180 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:23:27,181 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:23:27,181 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:23:27,181 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:23:27,181 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:23:27,181 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:23:27,181 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:23:27,181 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:23:27,181 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:23:27,181 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:23:27,181 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_7f52ebe9-5cbc-419b-938c-9954d40c9953/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 -> 525453629ce87b69ed1d4100e13fdb9e0c8a872a [2018-11-28 11:23:27,205 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:23:27,213 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:23:27,215 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:23:27,216 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:23:27,216 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:23:27,216 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7f52ebe9-5cbc-419b-938c-9954d40c9953/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product56_false-unreach-call_false-termination.cil.c [2018-11-28 11:23:27,256 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7f52ebe9-5cbc-419b-938c-9954d40c9953/bin-2019/uautomizer/data/374fcb019/ec7c73b0dc6e4ca7ae13c29cc15c3440/FLAG1d45d0744 [2018-11-28 11:23:27,694 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:23:27,695 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7f52ebe9-5cbc-419b-938c-9954d40c9953/sv-benchmarks/c/product-lines/minepump_spec3_product56_false-unreach-call_false-termination.cil.c [2018-11-28 11:23:27,704 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7f52ebe9-5cbc-419b-938c-9954d40c9953/bin-2019/uautomizer/data/374fcb019/ec7c73b0dc6e4ca7ae13c29cc15c3440/FLAG1d45d0744 [2018-11-28 11:23:27,716 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7f52ebe9-5cbc-419b-938c-9954d40c9953/bin-2019/uautomizer/data/374fcb019/ec7c73b0dc6e4ca7ae13c29cc15c3440 [2018-11-28 11:23:27,719 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:23:27,720 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:23:27,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:23:27,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:23:27,723 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:23:27,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:23:27" (1/1) ... [2018-11-28 11:23:27,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54acf9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:27, skipping insertion in model container [2018-11-28 11:23:27,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:23:27" (1/1) ... [2018-11-28 11:23:27,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:23:27,761 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:23:27,951 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:23:28,014 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:23:28,073 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:23:28,097 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:23:28,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:28 WrapperNode [2018-11-28 11:23:28,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:23:28,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:23:28,098 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:23:28,098 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:23:28,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:28" (1/1) ... [2018-11-28 11:23:28,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:28" (1/1) ... [2018-11-28 11:23:28,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:23:28,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:23:28,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:23:28,125 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:23:28,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:28" (1/1) ... [2018-11-28 11:23:28,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:28" (1/1) ... [2018-11-28 11:23:28,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:28" (1/1) ... [2018-11-28 11:23:28,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:28" (1/1) ... [2018-11-28 11:23:28,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:28" (1/1) ... [2018-11-28 11:23:28,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:28" (1/1) ... [2018-11-28 11:23:28,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:28" (1/1) ... [2018-11-28 11:23:28,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:23:28,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:23:28,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:23:28,157 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:23:28,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f52ebe9-5cbc-419b-938c-9954d40c9953/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 11:23:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 11:23:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 11:23:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:23:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:23:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 11:23:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 11:23:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 11:23:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 11:23:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:23:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 11:23:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 11:23:28,203 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 11:23:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 11:23:28,203 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 11:23:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 11:23:28,203 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 11:23:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 11:23:28,203 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 11:23:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 11:23:28,203 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 11:23:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 11:23:28,203 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 11:23:28,204 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 11:23:28,204 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 11:23:28,204 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 11:23:28,204 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 11:23:28,204 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 11:23:28,204 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 11:23:28,204 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 11:23:28,204 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 11:23:28,205 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 11:23:28,205 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 11:23:28,205 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 11:23:28,205 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 11:23:28,205 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 11:23:28,205 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 11:23:28,205 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 11:23:28,205 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:23:28,205 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:23:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 11:23:28,206 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 11:23:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 11:23:28,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 11:23:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 11:23:28,206 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 11:23:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 11:23:28,206 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 11:23:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 11:23:28,207 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 11:23:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 11:23:28,207 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 11:23:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 11:23:28,207 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 11:23:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 11:23:28,207 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 11:23:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:23:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:23:28,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:23:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 11:23:28,208 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 11:23:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-28 11:23:28,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-28 11:23:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 11:23:28,208 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 11:23:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:23:28,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:23:28,635 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:23:28,635 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 11:23:28,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:23:28 BoogieIcfgContainer [2018-11-28 11:23:28,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:23:28,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:23:28,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:23:28,638 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:23:28,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:23:27" (1/3) ... [2018-11-28 11:23:28,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa16ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:23:28, skipping insertion in model container [2018-11-28 11:23:28,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:28" (2/3) ... [2018-11-28 11:23:28,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa16ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:23:28, skipping insertion in model container [2018-11-28 11:23:28,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:23:28" (3/3) ... [2018-11-28 11:23:28,641 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product56_false-unreach-call_false-termination.cil.c [2018-11-28 11:23:28,647 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:23:28,653 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:23:28,662 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:23:28,683 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:23:28,683 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:23:28,683 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:23:28,683 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:23:28,684 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:23:28,684 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:23:28,684 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:23:28,684 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:23:28,684 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:23:28,701 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states. [2018-11-28 11:23:28,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 11:23:28,708 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:23:28,709 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 11:23:28,711 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:23:28,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:28,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1824431936, now seen corresponding path program 1 times [2018-11-28 11:23:28,716 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:23:28,716 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:23:28,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:28,746 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:23:28,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:23:28,899 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 11:23:28,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:23:28,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:23:28,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 11:23:28,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 11:23:28,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:23:28,913 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 2 states. [2018-11-28 11:23:28,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:23:28,948 INFO L93 Difference]: Finished difference Result 318 states and 395 transitions. [2018-11-28 11:23:28,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 11:23:28,949 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-28 11:23:28,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:23:28,959 INFO L225 Difference]: With dead ends: 318 [2018-11-28 11:23:28,959 INFO L226 Difference]: Without dead ends: 159 [2018-11-28 11:23:28,962 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 11:23:28,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-11-28 11:23:28,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-11-28 11:23:29,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-11-28 11:23:29,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 189 transitions. [2018-11-28 11:23:29,004 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 189 transitions. Word has length 52 [2018-11-28 11:23:29,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:23:29,005 INFO L480 AbstractCegarLoop]: Abstraction has 159 states and 189 transitions. [2018-11-28 11:23:29,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 11:23:29,005 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 189 transitions. [2018-11-28 11:23:29,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 11:23:29,008 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:23:29,008 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 11:23:29,009 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:23:29,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:29,009 INFO L82 PathProgramCache]: Analyzing trace with hash 651794062, now seen corresponding path program 1 times [2018-11-28 11:23:29,009 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:23:29,009 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:23:29,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:29,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:23:29,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:23:29,092 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 11:23:29,093 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:23:29,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:23:29,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:23:29,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:23:29,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:23:29,095 INFO L87 Difference]: Start difference. First operand 159 states and 189 transitions. Second operand 3 states. [2018-11-28 11:23:29,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:23:29,115 INFO L93 Difference]: Finished difference Result 257 states and 305 transitions. [2018-11-28 11:23:29,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:23:29,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-28 11:23:29,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:23:29,117 INFO L225 Difference]: With dead ends: 257 [2018-11-28 11:23:29,117 INFO L226 Difference]: Without dead ends: 150 [2018-11-28 11:23:29,118 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 11:23:29,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-11-28 11:23:29,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-11-28 11:23:29,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-11-28 11:23:29,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 177 transitions. [2018-11-28 11:23:29,128 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 177 transitions. Word has length 53 [2018-11-28 11:23:29,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:23:29,128 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 177 transitions. [2018-11-28 11:23:29,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:23:29,129 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 177 transitions. [2018-11-28 11:23:29,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-28 11:23:29,132 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:23:29,132 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 11:23:29,132 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:23:29,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:29,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1571968463, now seen corresponding path program 1 times [2018-11-28 11:23:29,133 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:23:29,133 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:23:29,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:29,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:23:29,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:23:29,266 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 11:23:29,266 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:23:29,267 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:23:29,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:23:29,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:23:29,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:23:29,268 INFO L87 Difference]: Start difference. First operand 150 states and 177 transitions. Second operand 7 states. [2018-11-28 11:23:29,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:23:29,621 INFO L93 Difference]: Finished difference Result 458 states and 558 transitions. [2018-11-28 11:23:29,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:23:29,622 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-28 11:23:29,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:23:29,623 INFO L225 Difference]: With dead ends: 458 [2018-11-28 11:23:29,624 INFO L226 Difference]: Without dead ends: 332 [2018-11-28 11:23:29,624 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 11:23:29,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2018-11-28 11:23:29,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 320. [2018-11-28 11:23:29,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-11-28 11:23:29,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 389 transitions. [2018-11-28 11:23:29,659 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 389 transitions. Word has length 58 [2018-11-28 11:23:29,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:23:29,659 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 389 transitions. [2018-11-28 11:23:29,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:23:29,660 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 389 transitions. [2018-11-28 11:23:29,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-28 11:23:29,662 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:23:29,662 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:23:29,662 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:23:29,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:29,663 INFO L82 PathProgramCache]: Analyzing trace with hash -2117226769, now seen corresponding path program 1 times [2018-11-28 11:23:29,663 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:23:29,663 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:23:29,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:29,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:23:29,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:23:29,763 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 11:23:29,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:23:29,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:23:29,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:23:29,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:23:29,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:23:29,764 INFO L87 Difference]: Start difference. First operand 320 states and 389 transitions. Second operand 6 states. [2018-11-28 11:23:29,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:23:29,927 INFO L93 Difference]: Finished difference Result 885 states and 1127 transitions. [2018-11-28 11:23:29,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:23:29,928 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-11-28 11:23:29,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:23:29,932 INFO L225 Difference]: With dead ends: 885 [2018-11-28 11:23:29,932 INFO L226 Difference]: Without dead ends: 589 [2018-11-28 11:23:29,934 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 11:23:29,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2018-11-28 11:23:29,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 583. [2018-11-28 11:23:29,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 583 states. [2018-11-28 11:23:29,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 718 transitions. [2018-11-28 11:23:29,971 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 718 transitions. Word has length 63 [2018-11-28 11:23:29,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:23:29,972 INFO L480 AbstractCegarLoop]: Abstraction has 583 states and 718 transitions. [2018-11-28 11:23:29,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:23:29,972 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 718 transitions. [2018-11-28 11:23:29,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-28 11:23:29,974 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:23:29,974 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:23:29,974 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:23:29,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:29,975 INFO L82 PathProgramCache]: Analyzing trace with hash -624029547, now seen corresponding path program 1 times [2018-11-28 11:23:29,975 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:23:29,975 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:23:29,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:29,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:23:29,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:23:30,042 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 11:23:30,042 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:23:30,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:23:30,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:23:30,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:23:30,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:23:30,044 INFO L87 Difference]: Start difference. First operand 583 states and 718 transitions. Second operand 4 states. [2018-11-28 11:23:30,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:23:30,358 INFO L93 Difference]: Finished difference Result 1413 states and 1852 transitions. [2018-11-28 11:23:30,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:23:30,362 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2018-11-28 11:23:30,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:23:30,366 INFO L225 Difference]: With dead ends: 1413 [2018-11-28 11:23:30,366 INFO L226 Difference]: Without dead ends: 854 [2018-11-28 11:23:30,368 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:23:30,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2018-11-28 11:23:30,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 757. [2018-11-28 11:23:30,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 757 states. [2018-11-28 11:23:30,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 917 transitions. [2018-11-28 11:23:30,414 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 917 transitions. Word has length 67 [2018-11-28 11:23:30,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:23:30,415 INFO L480 AbstractCegarLoop]: Abstraction has 757 states and 917 transitions. [2018-11-28 11:23:30,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:23:30,415 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 917 transitions. [2018-11-28 11:23:30,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-28 11:23:30,416 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:23:30,416 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:23:30,416 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:23:30,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:30,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1085631787, now seen corresponding path program 1 times [2018-11-28 11:23:30,416 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:23:30,416 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:23:30,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:30,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:23:30,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:23:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:23:30,519 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 11:23:30,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:23:30 BoogieIcfgContainer [2018-11-28 11:23:30,607 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:23:30,607 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:23:30,607 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:23:30,607 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:23:30,608 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:23:28" (3/4) ... [2018-11-28 11:23:30,610 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 11:23:30,697 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7f52ebe9-5cbc-419b-938c-9954d40c9953/bin-2019/uautomizer/witness.graphml [2018-11-28 11:23:30,697 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:23:30,697 INFO L168 Benchmark]: Toolchain (without parser) took 2978.39 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 244.3 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:23:30,698 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:23:30,699 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -190.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:23:30,699 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:23:30,699 INFO L168 Benchmark]: Boogie Preprocessor took 32.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:23:30,699 INFO L168 Benchmark]: RCFGBuilder took 478.22 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: 55.3 MB). Peak memory consumption was 55.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:23:30,699 INFO L168 Benchmark]: TraceAbstraction took 1970.79 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 88.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -82.7 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:23:30,700 INFO L168 Benchmark]: Witness Printer took 89.86 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2018-11-28 11:23:30,701 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 377.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -190.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.16 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 32.44 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 478.22 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: 55.3 MB). Peak memory consumption was 55.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1970.79 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 88.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -82.7 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. * Witness Printer took 89.86 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1013]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L313] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L587] int waterLevel = 1; [L588] int methaneLevelCritical = 0; [L694] int pumpRunning = 0; [L695] int systemActive = 1; [L121] int retValue_acc ; [L122] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L126] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L127] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L536] int retValue_acc ; [L539] retValue_acc = 1 [L540] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L128] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L132] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L133] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L112] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L941] int splverifierCounter ; [L942] int tmp ; [L943] int tmp___0 ; [L944] int tmp___1 ; [L945] int tmp___2 ; [L948] 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] [L950] 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] [L952] 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] [L958] tmp = __VERIFIER_nondet_int() [L960] 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] [L962] 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] [L605] COND TRUE waterLevel < 2 [L606] 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] [L962] 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] [L968] tmp___0 = __VERIFIER_nondet_int() [L970] 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] [L978] tmp___2 = __VERIFIER_nondet_int() [L980] COND FALSE !(\read(tmp___2)) [L986] tmp___1 = __VERIFIER_nondet_int() [L988] 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] [L990] 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] [L920] 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] [L927] 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] [L990] 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] [L997] 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] [L701] 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] [L708] 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] [L716] 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] [L550] int tmp ; [L551] int tmp___0 ; [L552] 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] [L556] 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] [L626] int retValue_acc ; [L629] retValue_acc = methaneLevelCritical [L630] 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] [L556] 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] [L556] tmp = isMethaneLevelCritical() [L558] 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] [L562] 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] [L658] int retValue_acc ; [L661] retValue_acc = waterLevel [L662] 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] [L562] 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] [L562] tmp___0 = getWaterLevel() [L564] 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] [L566] 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] [L834] int retValue_acc ; [L837] retValue_acc = pumpRunning [L838] 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] [L566] 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] [L566] tmp___1 = isPumpRunning() [L568] 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] [L572] 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] [L1013] __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 32 procedures, 172 locations, 1 error locations. UNSAFE Result, 1.9s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 957 SDtfs, 663 SDslu, 1652 SDs, 0 SdLazy, 537 SolverSat, 133 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=757occurred in iteration=5, 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 115 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 288 ConstructedInterpolants, 0 QuantifiedInterpolants, 29244 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...