./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product09_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_2f044705-3e08-4b39-9045-e3244e9fa133/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2f044705-3e08-4b39-9045-e3244e9fa133/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2f044705-3e08-4b39-9045-e3244e9fa133/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2f044705-3e08-4b39-9045-e3244e9fa133/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product09_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2f044705-3e08-4b39-9045-e3244e9fa133/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2f044705-3e08-4b39-9045-e3244e9fa133/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 3a064916388666b8cd5a1e3eb1ebd0adb240dbdf ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2018-12-01 22:40:58,158 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 22:40:58,159 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 22:40:58,165 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 22:40:58,165 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 22:40:58,166 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 22:40:58,166 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 22:40:58,167 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 22:40:58,168 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 22:40:58,168 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 22:40:58,169 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 22:40:58,169 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 22:40:58,169 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 22:40:58,170 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 22:40:58,170 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 22:40:58,171 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 22:40:58,171 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 22:40:58,172 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 22:40:58,173 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 22:40:58,174 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 22:40:58,174 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 22:40:58,175 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 22:40:58,176 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 22:40:58,176 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 22:40:58,176 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 22:40:58,176 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 22:40:58,177 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 22:40:58,177 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 22:40:58,178 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 22:40:58,178 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 22:40:58,178 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 22:40:58,179 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 22:40:58,179 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 22:40:58,179 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 22:40:58,179 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 22:40:58,180 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 22:40:58,180 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2f044705-3e08-4b39-9045-e3244e9fa133/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-01 22:40:58,187 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 22:40:58,187 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 22:40:58,187 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 22:40:58,187 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 22:40:58,187 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-01 22:40:58,187 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-01 22:40:58,188 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-01 22:40:58,188 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-01 22:40:58,188 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-01 22:40:58,188 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-01 22:40:58,188 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-01 22:40:58,188 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-01 22:40:58,188 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-01 22:40:58,188 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 22:40:58,188 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 22:40:58,189 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 22:40:58,189 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 22:40:58,189 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 22:40:58,189 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 22:40:58,189 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 22:40:58,189 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 22:40:58,189 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 22:40:58,189 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 22:40:58,189 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 22:40:58,189 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 22:40:58,189 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 22:40:58,189 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 22:40:58,190 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 22:40:58,190 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 22:40:58,190 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 22:40:58,190 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 22:40:58,190 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 22:40:58,190 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-01 22:40:58,190 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 22:40:58,190 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 22:40:58,190 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-01 22:40:58,190 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_2f044705-3e08-4b39-9045-e3244e9fa133/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 -> 3a064916388666b8cd5a1e3eb1ebd0adb240dbdf [2018-12-01 22:40:58,207 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 22:40:58,214 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 22:40:58,216 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 22:40:58,217 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 22:40:58,217 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 22:40:58,217 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2f044705-3e08-4b39-9045-e3244e9fa133/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product09_false-unreach-call_false-termination.cil.c [2018-12-01 22:40:58,251 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f044705-3e08-4b39-9045-e3244e9fa133/bin-2019/utaipan/data/bee03acc9/dea964b576964fa98cbcafcaa1f4ede5/FLAGb1070bcf2 [2018-12-01 22:40:58,690 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 22:40:58,691 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2f044705-3e08-4b39-9045-e3244e9fa133/sv-benchmarks/c/product-lines/minepump_spec3_product09_false-unreach-call_false-termination.cil.c [2018-12-01 22:40:58,696 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f044705-3e08-4b39-9045-e3244e9fa133/bin-2019/utaipan/data/bee03acc9/dea964b576964fa98cbcafcaa1f4ede5/FLAGb1070bcf2 [2018-12-01 22:40:58,704 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2f044705-3e08-4b39-9045-e3244e9fa133/bin-2019/utaipan/data/bee03acc9/dea964b576964fa98cbcafcaa1f4ede5 [2018-12-01 22:40:58,706 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 22:40:58,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 22:40:58,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 22:40:58,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 22:40:58,710 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 22:40:58,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:40:58" (1/1) ... [2018-12-01 22:40:58,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:40:58, skipping insertion in model container [2018-12-01 22:40:58,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:40:58" (1/1) ... [2018-12-01 22:40:58,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 22:40:58,736 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 22:40:58,902 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:40:58,953 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 22:40:58,994 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:40:59,008 INFO L195 MainTranslator]: Completed translation [2018-12-01 22:40:59,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:40:59 WrapperNode [2018-12-01 22:40:59,009 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 22:40:59,009 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 22:40:59,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 22:40:59,009 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 22:40:59,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:40:59" (1/1) ... [2018-12-01 22:40:59,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:40:59" (1/1) ... [2018-12-01 22:40:59,035 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 22:40:59,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 22:40:59,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 22:40:59,035 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 22:40:59,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:40:59" (1/1) ... [2018-12-01 22:40:59,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:40:59" (1/1) ... [2018-12-01 22:40:59,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:40:59" (1/1) ... [2018-12-01 22:40:59,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:40:59" (1/1) ... [2018-12-01 22:40:59,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:40:59" (1/1) ... [2018-12-01 22:40:59,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:40:59" (1/1) ... [2018-12-01 22:40:59,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:40:59" (1/1) ... [2018-12-01 22:40:59,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 22:40:59,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 22:40:59,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 22:40:59,064 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 22:40:59,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:40:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f044705-3e08-4b39-9045-e3244e9fa133/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 [2018-12-01 22:40:59,102 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-01 22:40:59,102 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-01 22:40:59,102 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-01 22:40:59,102 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-01 22:40:59,102 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 22:40:59,102 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 22:40:59,102 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-01 22:40:59,103 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-01 22:40:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 22:40:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-01 22:40:59,103 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-01 22:40:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-01 22:40:59,103 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-01 22:40:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-01 22:40:59,103 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-01 22:40:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-01 22:40:59,103 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-01 22:40:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 22:40:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 22:40:59,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 22:40:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-01 22:40:59,103 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-01 22:40:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 22:40:59,104 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 22:40:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-01 22:40:59,104 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-01 22:40:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-01 22:40:59,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-01 22:40:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 22:40:59,104 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 22:40:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 22:40:59,104 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 22:40:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-01 22:40:59,104 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-01 22:40:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-01 22:40:59,104 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-01 22:40:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 22:40:59,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 22:40:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 22:40:59,105 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 22:40:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-01 22:40:59,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-01 22:40:59,404 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 22:40:59,404 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-01 22:40:59,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:40:59 BoogieIcfgContainer [2018-12-01 22:40:59,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 22:40:59,405 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 22:40:59,405 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 22:40:59,407 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 22:40:59,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 10:40:58" (1/3) ... [2018-12-01 22:40:59,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@541c17f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:40:59, skipping insertion in model container [2018-12-01 22:40:59,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:40:59" (2/3) ... [2018-12-01 22:40:59,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@541c17f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:40:59, skipping insertion in model container [2018-12-01 22:40:59,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:40:59" (3/3) ... [2018-12-01 22:40:59,409 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product09_false-unreach-call_false-termination.cil.c [2018-12-01 22:40:59,415 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 22:40:59,420 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 22:40:59,430 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 22:40:59,449 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 22:40:59,449 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 22:40:59,450 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 22:40:59,450 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 22:40:59,450 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 22:40:59,450 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 22:40:59,450 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 22:40:59,450 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 22:40:59,461 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states. [2018-12-01 22:40:59,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 22:40:59,466 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:40:59,467 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] [2018-12-01 22:40:59,468 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:40:59,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:40:59,472 INFO L82 PathProgramCache]: Analyzing trace with hash 2065509098, now seen corresponding path program 1 times [2018-12-01 22:40:59,473 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:40:59,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:40:59,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:40:59,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:40:59,503 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:40:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:40:59,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:40:59,616 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:40:59,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 22:40:59,617 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:40:59,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 22:40:59,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 22:40:59,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 22:40:59,629 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 2 states. [2018-12-01 22:40:59,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:40:59,648 INFO L93 Difference]: Finished difference Result 174 states and 219 transitions. [2018-12-01 22:40:59,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 22:40:59,648 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-01 22:40:59,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:40:59,654 INFO L225 Difference]: With dead ends: 174 [2018-12-01 22:40:59,654 INFO L226 Difference]: Without dead ends: 87 [2018-12-01 22:40:59,656 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 [2018-12-01 22:40:59,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-12-01 22:40:59,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-12-01 22:40:59,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-12-01 22:40:59,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 101 transitions. [2018-12-01 22:40:59,684 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 101 transitions. Word has length 52 [2018-12-01 22:40:59,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:40:59,684 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 101 transitions. [2018-12-01 22:40:59,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 22:40:59,684 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2018-12-01 22:40:59,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 22:40:59,686 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:40:59,686 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] [2018-12-01 22:40:59,686 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:40:59,686 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:40:59,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1264660361, now seen corresponding path program 1 times [2018-12-01 22:40:59,686 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:40:59,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:40:59,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:40:59,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:40:59,687 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:40:59,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:40:59,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:40:59,745 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:40:59,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:40:59,746 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:40:59,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:40:59,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:40:59,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:40:59,747 INFO L87 Difference]: Start difference. First operand 87 states and 101 transitions. Second operand 3 states. [2018-12-01 22:40:59,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:40:59,756 INFO L93 Difference]: Finished difference Result 123 states and 141 transitions. [2018-12-01 22:40:59,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:40:59,756 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-01 22:40:59,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:40:59,757 INFO L225 Difference]: With dead ends: 123 [2018-12-01 22:40:59,757 INFO L226 Difference]: Without dead ends: 78 [2018-12-01 22:40:59,758 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 [2018-12-01 22:40:59,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-12-01 22:40:59,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-12-01 22:40:59,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-12-01 22:40:59,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 89 transitions. [2018-12-01 22:40:59,763 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 89 transitions. Word has length 53 [2018-12-01 22:40:59,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:40:59,763 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 89 transitions. [2018-12-01 22:40:59,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:40:59,763 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2018-12-01 22:40:59,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-01 22:40:59,764 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:40:59,764 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:40:59,764 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:40:59,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:40:59,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1300670536, now seen corresponding path program 1 times [2018-12-01 22:40:59,765 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:40:59,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:40:59,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:40:59,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:40:59,765 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:40:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:40:59,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:40:59,836 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:40:59,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 22:40:59,836 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:40:59,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 22:40:59,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 22:40:59,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-01 22:40:59,836 INFO L87 Difference]: Start difference. First operand 78 states and 89 transitions. Second operand 7 states. [2018-12-01 22:40:59,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:40:59,951 INFO L93 Difference]: Finished difference Result 132 states and 155 transitions. [2018-12-01 22:40:59,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 22:40:59,952 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-01 22:40:59,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:40:59,952 INFO L225 Difference]: With dead ends: 132 [2018-12-01 22:40:59,952 INFO L226 Difference]: Without dead ends: 78 [2018-12-01 22:40:59,953 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-01 22:40:59,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-12-01 22:40:59,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-12-01 22:40:59,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-12-01 22:40:59,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 88 transitions. [2018-12-01 22:40:59,958 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 88 transitions. Word has length 57 [2018-12-01 22:40:59,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:40:59,958 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 88 transitions. [2018-12-01 22:40:59,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 22:40:59,958 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2018-12-01 22:40:59,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 22:40:59,959 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:40:59,959 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] [2018-12-01 22:40:59,959 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:40:59,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:40:59,960 INFO L82 PathProgramCache]: Analyzing trace with hash -505529502, now seen corresponding path program 1 times [2018-12-01 22:40:59,960 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:40:59,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:40:59,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:40:59,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:40:59,961 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:40:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:41:00,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:41:00,022 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:41:00,022 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 22:41:00,022 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:41:00,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 22:41:00,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 22:41:00,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 22:41:00,023 INFO L87 Difference]: Start difference. First operand 78 states and 88 transitions. Second operand 6 states. [2018-12-01 22:41:00,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:41:00,120 INFO L93 Difference]: Finished difference Result 175 states and 212 transitions. [2018-12-01 22:41:00,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 22:41:00,120 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-12-01 22:41:00,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:41:00,123 INFO L225 Difference]: With dead ends: 175 [2018-12-01 22:41:00,124 INFO L226 Difference]: Without dead ends: 121 [2018-12-01 22:41:00,124 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 [2018-12-01 22:41:00,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-12-01 22:41:00,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2018-12-01 22:41:00,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-12-01 22:41:00,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2018-12-01 22:41:00,137 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 60 [2018-12-01 22:41:00,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:41:00,138 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2018-12-01 22:41:00,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 22:41:00,138 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2018-12-01 22:41:00,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 22:41:00,139 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:41:00,140 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] [2018-12-01 22:41:00,140 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:41:00,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:41:00,140 INFO L82 PathProgramCache]: Analyzing trace with hash -271629028, now seen corresponding path program 1 times [2018-12-01 22:41:00,140 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:41:00,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:41:00,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:41:00,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:41:00,141 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:41:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:41:00,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:41:00,185 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:41:00,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:41:00,185 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:41:00,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:41:00,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:41:00,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:41:00,186 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 3 states. [2018-12-01 22:41:00,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:41:00,194 INFO L93 Difference]: Finished difference Result 169 states and 199 transitions. [2018-12-01 22:41:00,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:41:00,195 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2018-12-01 22:41:00,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:41:00,196 INFO L225 Difference]: With dead ends: 169 [2018-12-01 22:41:00,196 INFO L226 Difference]: Without dead ends: 113 [2018-12-01 22:41:00,196 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 [2018-12-01 22:41:00,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-12-01 22:41:00,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-12-01 22:41:00,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-12-01 22:41:00,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 128 transitions. [2018-12-01 22:41:00,203 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 128 transitions. Word has length 64 [2018-12-01 22:41:00,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:41:00,203 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 128 transitions. [2018-12-01 22:41:00,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:41:00,203 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 128 transitions. [2018-12-01 22:41:00,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 22:41:00,204 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:41:00,204 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] [2018-12-01 22:41:00,204 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:41:00,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:41:00,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1984019876, now seen corresponding path program 1 times [2018-12-01 22:41:00,205 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:41:00,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:41:00,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:41:00,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:41:00,205 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:41:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:41:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:41:00,273 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-01 22:41:00,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 10:41:00 BoogieIcfgContainer [2018-12-01 22:41:00,332 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 22:41:00,332 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 22:41:00,332 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 22:41:00,333 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 22:41:00,333 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:40:59" (3/4) ... [2018-12-01 22:41:00,334 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-01 22:41:00,395 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2f044705-3e08-4b39-9045-e3244e9fa133/bin-2019/utaipan/witness.graphml [2018-12-01 22:41:00,395 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 22:41:00,402 INFO L168 Benchmark]: Toolchain (without parser) took 1695.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.0 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -114.1 MB). Peak memory consumption was 225.2 MB. Max. memory is 11.5 GB. [2018-12-01 22:41:00,403 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-12-01 22:41:00,403 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.0 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -117.4 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2018-12-01 22:41:00,404 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.70 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:41:00,404 INFO L168 Benchmark]: Boogie Preprocessor took 28.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 22:41:00,404 INFO L168 Benchmark]: RCFGBuilder took 340.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. [2018-12-01 22:41:00,405 INFO L168 Benchmark]: TraceAbstraction took 927.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 832.6 MB in the end (delta: 189.0 MB). Peak memory consumption was 189.0 MB. Max. memory is 11.5 GB. [2018-12-01 22:41:00,405 INFO L168 Benchmark]: Witness Printer took 62.49 ms. Allocated memory is still 1.1 GB. Free memory was 832.6 MB in the beginning and 815.8 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. [2018-12-01 22:41:00,407 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 301.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.0 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -117.4 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.70 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 340.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 927.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 832.6 MB in the end (delta: 189.0 MB). Peak memory consumption was 189.0 MB. Max. memory is 11.5 GB. * Witness Printer took 62.49 ms. Allocated memory is still 1.1 GB. Free memory was 832.6 MB in the beginning and 815.8 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 148]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L224] int pumpRunning = 0; [L225] int systemActive = 1; [L589] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L786] int waterLevel = 1; [L787] int methaneLevelCritical = 0; [L121] int retValue_acc ; [L122] int tmp ; VAL [\old(methaneLevelCritical)=0, \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(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L127] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \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(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L411] int retValue_acc ; [L414] retValue_acc = 1 [L415] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \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(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(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(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(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L112] CALL test() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L154] int splverifierCounter ; [L155] int tmp ; [L156] int tmp___0 ; [L157] int tmp___1 ; [L158] int tmp___2 ; [L161] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L163] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L165] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L171] tmp = __VERIFIER_nondet_int() [L173] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L175] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L804] COND TRUE waterLevel < 2 [L805] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L175] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L181] tmp___0 = __VERIFIER_nondet_int() [L183] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L191] tmp___2 = __VERIFIER_nondet_int() [L193] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L206] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L232] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L239] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L241] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L247] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L352] int tmp ; [L353] int tmp___0 ; [L354] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L358] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L825] int retValue_acc ; [L828] retValue_acc = methaneLevelCritical [L829] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L358] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L358] tmp = isMethaneLevelCritical() [L360] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L364] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L857] int retValue_acc ; [L860] retValue_acc = waterLevel [L861] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L364] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L364] tmp___0 = getWaterLevel() [L366] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L368] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L305] int retValue_acc ; [L308] retValue_acc = pumpRunning [L309] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L368] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L368] tmp___1 = isPumpRunning() [L370] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L374] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L148] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 100 locations, 1 error locations. UNSAFE Result, 0.8s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 458 SDtfs, 187 SDslu, 566 SDs, 0 SdLazy, 137 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred 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, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 350 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 281 ConstructedInterpolants, 0 QuantifiedInterpolants, 26879 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...