./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product13_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_10846de6-2ff9-4c3e-8ffe-9553b5347336/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_10846de6-2ff9-4c3e-8ffe-9553b5347336/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_10846de6-2ff9-4c3e-8ffe-9553b5347336/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_10846de6-2ff9-4c3e-8ffe-9553b5347336/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product13_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_10846de6-2ff9-4c3e-8ffe-9553b5347336/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_10846de6-2ff9-4c3e-8ffe-9553b5347336/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 06e1bbb05b064353049072459310c7da1eede934 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:02:25,251 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:02:25,252 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:02:25,259 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:02:25,259 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:02:25,260 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:02:25,260 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:02:25,261 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:02:25,262 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:02:25,263 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:02:25,263 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:02:25,264 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:02:25,264 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:02:25,265 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:02:25,266 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:02:25,266 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:02:25,267 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:02:25,268 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:02:25,269 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:02:25,270 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:02:25,271 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:02:25,272 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:02:25,273 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:02:25,274 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:02:25,274 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:02:25,275 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:02:25,275 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:02:25,276 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:02:25,276 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:02:25,277 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:02:25,277 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:02:25,278 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:02:25,278 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:02:25,278 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:02:25,279 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:02:25,279 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:02:25,279 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_10846de6-2ff9-4c3e-8ffe-9553b5347336/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 09:02:25,289 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:02:25,289 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:02:25,290 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:02:25,290 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 09:02:25,290 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 09:02:25,290 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 09:02:25,291 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 09:02:25,291 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 09:02:25,291 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 09:02:25,291 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 09:02:25,291 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 09:02:25,291 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 09:02:25,291 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 09:02:25,292 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:02:25,292 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:02:25,292 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:02:25,292 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:02:25,292 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:02:25,292 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:02:25,292 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:02:25,293 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:02:25,293 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:02:25,293 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:02:25,293 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:02:25,293 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:02:25,293 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:02:25,293 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:02:25,293 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:02:25,293 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:02:25,295 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:02:25,295 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:02:25,296 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:02:25,296 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:02:25,296 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 09:02:25,296 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:02:25,296 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:02:25,296 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 09:02:25,296 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_10846de6-2ff9-4c3e-8ffe-9553b5347336/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 -> 06e1bbb05b064353049072459310c7da1eede934 [2018-11-18 09:02:25,320 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:02:25,327 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:02:25,329 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:02:25,330 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:02:25,330 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:02:25,331 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_10846de6-2ff9-4c3e-8ffe-9553b5347336/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product13_true-unreach-call_false-termination.cil.c [2018-11-18 09:02:25,366 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_10846de6-2ff9-4c3e-8ffe-9553b5347336/bin-2019/utaipan/data/9489ad7b3/5bb51dfd724d47db8b0eda7c03177cd3/FLAG3f0904f5d [2018-11-18 09:02:25,795 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:02:25,796 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_10846de6-2ff9-4c3e-8ffe-9553b5347336/sv-benchmarks/c/product-lines/minepump_spec1_product13_true-unreach-call_false-termination.cil.c [2018-11-18 09:02:25,805 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_10846de6-2ff9-4c3e-8ffe-9553b5347336/bin-2019/utaipan/data/9489ad7b3/5bb51dfd724d47db8b0eda7c03177cd3/FLAG3f0904f5d [2018-11-18 09:02:25,817 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_10846de6-2ff9-4c3e-8ffe-9553b5347336/bin-2019/utaipan/data/9489ad7b3/5bb51dfd724d47db8b0eda7c03177cd3 [2018-11-18 09:02:25,819 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:02:25,820 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:02:25,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:02:25,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:02:25,822 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:02:25,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:02:25" (1/1) ... [2018-11-18 09:02:25,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af69b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:25, skipping insertion in model container [2018-11-18 09:02:25,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:02:25" (1/1) ... [2018-11-18 09:02:25,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:02:25,860 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:02:26,045 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:02:26,053 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:02:26,149 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:02:26,163 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:02:26,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:26 WrapperNode [2018-11-18 09:02:26,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:02:26,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:02:26,164 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:02:26,164 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:02:26,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:26" (1/1) ... [2018-11-18 09:02:26,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:26" (1/1) ... [2018-11-18 09:02:26,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:02:26,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:02:26,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:02:26,183 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:02:26,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:26" (1/1) ... [2018-11-18 09:02:26,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:26" (1/1) ... [2018-11-18 09:02:26,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:26" (1/1) ... [2018-11-18 09:02:26,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:26" (1/1) ... [2018-11-18 09:02:26,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:26" (1/1) ... [2018-11-18 09:02:26,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:26" (1/1) ... [2018-11-18 09:02:26,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:26" (1/1) ... [2018-11-18 09:02:26,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:02:26,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:02:26,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:02:26,206 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:02:26,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_10846de6-2ff9-4c3e-8ffe-9553b5347336/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 [2018-11-18 09:02:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 09:02:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 09:02:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 09:02:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 09:02:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:02:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:02:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 09:02:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 09:02:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 09:02:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 09:02:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:02:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 09:02:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 09:02:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 09:02:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 09:02:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 09:02:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 09:02:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 09:02:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 09:02:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 09:02:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 09:02:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 09:02:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 09:02:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:02:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:02:26,240 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 09:02:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 09:02:26,240 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 09:02:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 09:02:26,240 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 09:02:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 09:02:26,240 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 09:02:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 09:02:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 09:02:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 09:02:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 09:02:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 09:02:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:02:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:02:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 09:02:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 09:02:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 09:02:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 09:02:26,242 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-18 09:02:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-18 09:02:26,666 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:02:26,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:02:26 BoogieIcfgContainer [2018-11-18 09:02:26,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:02:26,667 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:02:26,667 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:02:26,669 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:02:26,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:02:25" (1/3) ... [2018-11-18 09:02:26,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b42daf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:02:26, skipping insertion in model container [2018-11-18 09:02:26,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:26" (2/3) ... [2018-11-18 09:02:26,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b42daf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:02:26, skipping insertion in model container [2018-11-18 09:02:26,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:02:26" (3/3) ... [2018-11-18 09:02:26,671 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product13_true-unreach-call_false-termination.cil.c [2018-11-18 09:02:26,676 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:02:26,681 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 09:02:26,689 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 09:02:26,711 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:02:26,711 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:02:26,711 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:02:26,711 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:02:26,711 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:02:26,711 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:02:26,711 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:02:26,712 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:02:26,727 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2018-11-18 09:02:26,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 09:02:26,732 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:02:26,732 INFO L375 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] [2018-11-18 09:02:26,734 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:02:26,739 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:26,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1969503175, now seen corresponding path program 1 times [2018-11-18 09:02:26,741 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:02:26,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:26,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:02:26,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:26,777 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:02:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:02:26,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:02:26,941 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:02:26,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:02:26,941 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:02:26,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 09:02:26,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 09:02:26,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 09:02:26,953 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2018-11-18 09:02:26,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:02:26,973 INFO L93 Difference]: Finished difference Result 202 states and 253 transitions. [2018-11-18 09:02:26,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 09:02:26,974 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 09:02:26,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:02:26,981 INFO L225 Difference]: With dead ends: 202 [2018-11-18 09:02:26,981 INFO L226 Difference]: Without dead ends: 101 [2018-11-18 09:02:26,983 INFO L604 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 [2018-11-18 09:02:26,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-11-18 09:02:27,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-11-18 09:02:27,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-18 09:02:27,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 118 transitions. [2018-11-18 09:02:27,012 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 118 transitions. Word has length 46 [2018-11-18 09:02:27,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:02:27,012 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 118 transitions. [2018-11-18 09:02:27,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 09:02:27,012 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 118 transitions. [2018-11-18 09:02:27,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 09:02:27,014 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:02:27,014 INFO L375 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] [2018-11-18 09:02:27,014 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:02:27,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:27,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1029301727, now seen corresponding path program 1 times [2018-11-18 09:02:27,015 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:02:27,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:27,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:02:27,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:27,016 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:02:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:02:27,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:02:27,121 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:02:27,121 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:02:27,121 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:02:27,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:02:27,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:02:27,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:02:27,123 INFO L87 Difference]: Start difference. First operand 101 states and 118 transitions. Second operand 3 states. [2018-11-18 09:02:27,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:02:27,143 INFO L93 Difference]: Finished difference Result 149 states and 173 transitions. [2018-11-18 09:02:27,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:02:27,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 09:02:27,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:02:27,144 INFO L225 Difference]: With dead ends: 149 [2018-11-18 09:02:27,144 INFO L226 Difference]: Without dead ends: 91 [2018-11-18 09:02:27,145 INFO L604 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 [2018-11-18 09:02:27,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-11-18 09:02:27,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-11-18 09:02:27,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-11-18 09:02:27,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 105 transitions. [2018-11-18 09:02:27,152 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 105 transitions. Word has length 48 [2018-11-18 09:02:27,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:02:27,153 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 105 transitions. [2018-11-18 09:02:27,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:02:27,153 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 105 transitions. [2018-11-18 09:02:27,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 09:02:27,154 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:02:27,154 INFO L375 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] [2018-11-18 09:02:27,154 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:02:27,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:27,155 INFO L82 PathProgramCache]: Analyzing trace with hash -407085212, now seen corresponding path program 1 times [2018-11-18 09:02:27,155 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:02:27,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:27,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:02:27,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:27,156 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:02:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:02:27,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:02:27,280 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:02:27,280 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:02:27,280 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:02:27,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:02:27,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:02:27,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:02:27,281 INFO L87 Difference]: Start difference. First operand 91 states and 105 transitions. Second operand 7 states. [2018-11-18 09:02:27,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:02:27,486 INFO L93 Difference]: Finished difference Result 158 states and 187 transitions. [2018-11-18 09:02:27,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:02:27,486 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-18 09:02:27,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:02:27,487 INFO L225 Difference]: With dead ends: 158 [2018-11-18 09:02:27,487 INFO L226 Difference]: Without dead ends: 91 [2018-11-18 09:02:27,488 INFO L604 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 [2018-11-18 09:02:27,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-11-18 09:02:27,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-11-18 09:02:27,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-11-18 09:02:27,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 104 transitions. [2018-11-18 09:02:27,497 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 104 transitions. Word has length 52 [2018-11-18 09:02:27,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:02:27,498 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 104 transitions. [2018-11-18 09:02:27,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:02:27,498 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 104 transitions. [2018-11-18 09:02:27,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 09:02:27,499 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:02:27,499 INFO L375 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] [2018-11-18 09:02:27,500 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:02:27,500 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:27,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1557903959, now seen corresponding path program 1 times [2018-11-18 09:02:27,500 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:02:27,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:27,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:02:27,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:27,501 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:02:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:02:27,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:02:27,592 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:02:27,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 09:02:27,592 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:02:27,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:02:27,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:02:27,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:02:27,593 INFO L87 Difference]: Start difference. First operand 91 states and 104 transitions. Second operand 6 states. [2018-11-18 09:02:27,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:02:27,747 INFO L93 Difference]: Finished difference Result 218 states and 261 transitions. [2018-11-18 09:02:27,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:02:27,747 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-11-18 09:02:27,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:02:27,750 INFO L225 Difference]: With dead ends: 218 [2018-11-18 09:02:27,750 INFO L226 Difference]: Without dead ends: 151 [2018-11-18 09:02:27,751 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:02:27,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-11-18 09:02:27,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 149. [2018-11-18 09:02:27,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-18 09:02:27,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 174 transitions. [2018-11-18 09:02:27,768 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 174 transitions. Word has length 60 [2018-11-18 09:02:27,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:02:27,768 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 174 transitions. [2018-11-18 09:02:27,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:02:27,769 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 174 transitions. [2018-11-18 09:02:27,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 09:02:27,770 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:02:27,770 INFO L375 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] [2018-11-18 09:02:27,771 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:02:27,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:27,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1161837755, now seen corresponding path program 1 times [2018-11-18 09:02:27,771 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:02:27,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:27,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:02:27,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:27,772 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:02:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:02:27,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:02:27,861 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:02:27,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:02:27,861 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:02:27,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:02:27,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:02:27,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:02:27,862 INFO L87 Difference]: Start difference. First operand 149 states and 174 transitions. Second operand 7 states. [2018-11-18 09:02:28,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:02:28,072 INFO L93 Difference]: Finished difference Result 239 states and 286 transitions. [2018-11-18 09:02:28,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:02:28,072 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-11-18 09:02:28,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:02:28,073 INFO L225 Difference]: With dead ends: 239 [2018-11-18 09:02:28,073 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 09:02:28,074 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-18 09:02:28,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 09:02:28,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 09:02:28,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 09:02:28,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 09:02:28,076 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2018-11-18 09:02:28,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:02:28,076 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:02:28,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:02:28,076 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 09:02:28,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:02:28,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 09:02:28,515 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 817 824) the Hoare annotation is: true [2018-11-18 09:02:28,515 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 817 824) no Hoare annotation was computed. [2018-11-18 09:02:28,515 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 817 824) no Hoare annotation was computed. [2018-11-18 09:02:28,515 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 767 791) no Hoare annotation was computed. [2018-11-18 09:02:28,515 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 767 791) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 09:02:28,515 INFO L421 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 09:02:28,515 INFO L425 ceAbstractionStarter]: For program point L786-1(lines 767 791) no Hoare annotation was computed. [2018-11-18 09:02:28,515 INFO L421 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 09:02:28,516 INFO L421 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 09:02:28,516 INFO L425 ceAbstractionStarter]: For program point L775(lines 775 783) no Hoare annotation was computed. [2018-11-18 09:02:28,516 INFO L421 ceAbstractionStarter]: At program point L773(line 773) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 09:02:28,516 INFO L425 ceAbstractionStarter]: For program point L773-1(line 773) no Hoare annotation was computed. [2018-11-18 09:02:28,516 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 788) no Hoare annotation was computed. [2018-11-18 09:02:28,516 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 522 528) the Hoare annotation is: true [2018-11-18 09:02:28,516 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 522 528) no Hoare annotation was computed. [2018-11-18 09:02:28,516 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 529 537) no Hoare annotation was computed. [2018-11-18 09:02:28,516 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 529 537) the Hoare annotation is: true [2018-11-18 09:02:28,516 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 529 537) no Hoare annotation was computed. [2018-11-18 09:02:28,516 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 665 728) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:02:28,516 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 665 728) no Hoare annotation was computed. [2018-11-18 09:02:28,517 INFO L421 ceAbstractionStarter]: At program point L721(lines 674 722) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:02:28,517 INFO L425 ceAbstractionStarter]: For program point L711(lines 711 715) no Hoare annotation was computed. [2018-11-18 09:02:28,517 INFO L421 ceAbstractionStarter]: At program point L711-2(lines 705 716) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 09:02:28,517 INFO L425 ceAbstractionStarter]: For program point L676(lines 675 720) no Hoare annotation was computed. [2018-11-18 09:02:28,517 INFO L425 ceAbstractionStarter]: For program point L705(lines 705 716) no Hoare annotation was computed. [2018-11-18 09:02:28,517 INFO L421 ceAbstractionStarter]: At program point L697(line 697) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 09:02:28,517 INFO L425 ceAbstractionStarter]: For program point L695(lines 695 701) no Hoare annotation was computed. [2018-11-18 09:02:28,517 INFO L425 ceAbstractionStarter]: For program point L695-1(lines 695 701) no Hoare annotation was computed. [2018-11-18 09:02:28,517 INFO L421 ceAbstractionStarter]: At program point L687(line 687) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 09:02:28,518 INFO L421 ceAbstractionStarter]: At program point L718(lines 675 720) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 09:02:28,518 INFO L425 ceAbstractionStarter]: For program point L685(lines 685 691) no Hoare annotation was computed. [2018-11-18 09:02:28,518 INFO L425 ceAbstractionStarter]: For program point L685-1(lines 685 691) no Hoare annotation was computed. [2018-11-18 09:02:28,518 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 681) no Hoare annotation was computed. [2018-11-18 09:02:28,518 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 665 728) no Hoare annotation was computed. [2018-11-18 09:02:28,518 INFO L425 ceAbstractionStarter]: For program point L675-1(lines 675 720) no Hoare annotation was computed. [2018-11-18 09:02:28,518 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 614 636) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:02:28,518 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 614 636) no Hoare annotation was computed. [2018-11-18 09:02:28,518 INFO L421 ceAbstractionStarter]: At program point L626(line 626) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 09:02:28,519 INFO L421 ceAbstractionStarter]: At program point L626-1(line 626) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 09:02:28,519 INFO L425 ceAbstractionStarter]: For program point L624(lines 624 631) no Hoare annotation was computed. [2018-11-18 09:02:28,519 INFO L425 ceAbstractionStarter]: For program point L624-1(lines 624 631) no Hoare annotation was computed. [2018-11-18 09:02:28,519 INFO L425 ceAbstractionStarter]: For program point L622(line 622) no Hoare annotation was computed. [2018-11-18 09:02:28,519 INFO L421 ceAbstractionStarter]: At program point L621(line 621) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:02:28,519 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 614 636) no Hoare annotation was computed. [2018-11-18 09:02:28,519 INFO L421 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:02:28,519 INFO L421 ceAbstractionStarter]: At program point L620-1(line 620) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:02:28,519 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 759 765) no Hoare annotation was computed. [2018-11-18 09:02:28,519 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 759 765) the Hoare annotation is: true [2018-11-18 09:02:28,520 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 836 844) no Hoare annotation was computed. [2018-11-18 09:02:28,520 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 836 844) the Hoare annotation is: true [2018-11-18 09:02:28,520 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 836 844) no Hoare annotation was computed. [2018-11-18 09:02:28,520 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:02:28,520 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 09:02:28,520 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:02:28,520 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 438 449) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:02:28,520 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 438 449) no Hoare annotation was computed. [2018-11-18 09:02:28,520 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 438 449) no Hoare annotation was computed. [2018-11-18 09:02:28,520 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 735 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 09:02:28,521 INFO L421 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 09:02:28,521 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 735 758) no Hoare annotation was computed. [2018-11-18 09:02:28,521 INFO L421 ceAbstractionStarter]: At program point L746(lines 746 752) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 09:02:28,521 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 735 758) no Hoare annotation was computed. [2018-11-18 09:02:28,521 INFO L421 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 09:02:28,521 INFO L425 ceAbstractionStarter]: For program point L739(lines 738 757) no Hoare annotation was computed. [2018-11-18 09:02:28,521 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 541 570) no Hoare annotation was computed. [2018-11-18 09:02:28,521 INFO L428 ceAbstractionStarter]: At program point L566(lines 541 570) the Hoare annotation is: true [2018-11-18 09:02:28,521 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 09:02:28,521 INFO L425 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2018-11-18 09:02:28,521 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 541 570) the Hoare annotation is: true [2018-11-18 09:02:28,521 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 559) no Hoare annotation was computed. [2018-11-18 09:02:28,522 INFO L428 ceAbstractionStarter]: At program point L555-1(lines 555 559) the Hoare annotation is: true [2018-11-18 09:02:28,522 INFO L425 ceAbstractionStarter]: For program point L551-1(lines 551 565) no Hoare annotation was computed. [2018-11-18 09:02:28,522 INFO L428 ceAbstractionStarter]: At program point L551-3(lines 551 565) the Hoare annotation is: true [2018-11-18 09:02:28,522 INFO L428 ceAbstractionStarter]: At program point L547(line 547) the Hoare annotation is: true [2018-11-18 09:02:28,522 INFO L425 ceAbstractionStarter]: For program point L547-1(line 547) no Hoare annotation was computed. [2018-11-18 09:02:28,522 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 450 458) the Hoare annotation is: true [2018-11-18 09:02:28,522 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 450 458) no Hoare annotation was computed. [2018-11-18 09:02:28,522 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 450 458) no Hoare annotation was computed. [2018-11-18 09:02:28,522 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 414 425) no Hoare annotation was computed. [2018-11-18 09:02:28,522 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 414 425) the Hoare annotation is: true [2018-11-18 09:02:28,522 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 414 425) no Hoare annotation was computed. [2018-11-18 09:02:28,522 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 515 521) no Hoare annotation was computed. [2018-11-18 09:02:28,522 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 515 521) the Hoare annotation is: true [2018-11-18 09:02:28,523 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 596 602) no Hoare annotation was computed. [2018-11-18 09:02:28,523 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 596 602) the Hoare annotation is: true [2018-11-18 09:02:28,523 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:02:28,523 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-18 09:02:28,523 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:02:28,523 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:02:28,523 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 426 437) no Hoare annotation was computed. [2018-11-18 09:02:28,523 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 426 437) no Hoare annotation was computed. [2018-11-18 09:02:28,523 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 426 437) the Hoare annotation is: true [2018-11-18 09:02:28,523 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 492 499) no Hoare annotation was computed. [2018-11-18 09:02:28,523 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2018-11-18 09:02:28,523 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 492 499) the Hoare annotation is: true [2018-11-18 09:02:28,524 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 492 499) no Hoare annotation was computed. [2018-11-18 09:02:28,524 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 604 613) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:02:28,524 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 604 613) no Hoare annotation was computed. [2018-11-18 09:02:28,524 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 604 613) no Hoare annotation was computed. [2018-11-18 09:02:28,524 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 639 663) the Hoare annotation is: true [2018-11-18 09:02:28,524 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 639 663) no Hoare annotation was computed. [2018-11-18 09:02:28,524 INFO L421 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-18 09:02:28,524 INFO L425 ceAbstractionStarter]: For program point L651(lines 651 657) no Hoare annotation was computed. [2018-11-18 09:02:28,524 INFO L421 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 09:02:28,524 INFO L425 ceAbstractionStarter]: For program point L649-1(line 649) no Hoare annotation was computed. [2018-11-18 09:02:28,524 INFO L425 ceAbstractionStarter]: For program point L647(lines 647 660) no Hoare annotation was computed. [2018-11-18 09:02:28,524 INFO L425 ceAbstractionStarter]: For program point L647-1(lines 639 663) no Hoare annotation was computed. [2018-11-18 09:02:28,524 INFO L428 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: true [2018-11-18 09:02:28,525 INFO L425 ceAbstractionStarter]: For program point L645-1(line 645) no Hoare annotation was computed. [2018-11-18 09:02:28,525 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 825 835) the Hoare annotation is: true [2018-11-18 09:02:28,525 INFO L428 ceAbstractionStarter]: At program point L830(line 830) the Hoare annotation is: true [2018-11-18 09:02:28,525 INFO L425 ceAbstractionStarter]: For program point L830-1(line 830) no Hoare annotation was computed. [2018-11-18 09:02:28,525 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 825 835) no Hoare annotation was computed. [2018-11-18 09:02:28,525 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 825 835) no Hoare annotation was computed. [2018-11-18 09:02:28,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:02:28 BoogieIcfgContainer [2018-11-18 09:02:28,534 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:02:28,534 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:02:28,534 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:02:28,534 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:02:28,535 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:02:26" (3/4) ... [2018-11-18 09:02:28,537 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:02:28,542 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 09:02:28,542 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 09:02:28,542 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 09:02:28,542 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 09:02:28,542 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 09:02:28,542 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 09:02:28,542 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 09:02:28,542 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 09:02:28,542 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 09:02:28,542 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 09:02:28,542 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 09:02:28,542 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 09:02:28,543 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 09:02:28,543 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 09:02:28,543 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 09:02:28,543 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 09:02:28,543 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 09:02:28,543 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 09:02:28,543 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 09:02:28,543 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-18 09:02:28,544 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 09:02:28,548 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-11-18 09:02:28,548 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 09:02:28,549 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 09:02:28,567 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) [2018-11-18 09:02:28,567 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 09:02:28,596 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_10846de6-2ff9-4c3e-8ffe-9553b5347336/bin-2019/utaipan/witness.graphml [2018-11-18 09:02:28,596 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:02:28,597 INFO L168 Benchmark]: Toolchain (without parser) took 2777.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 956.6 MB in the beginning and 1.0 GB in the end (delta: -57.8 MB). Peak memory consumption was 75.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:02:28,598 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:02:28,598 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:02:28,599 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.41 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:02:28,599 INFO L168 Benchmark]: Boogie Preprocessor took 22.55 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:02:28,599 INFO L168 Benchmark]: RCFGBuilder took 460.47 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: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:02:28,599 INFO L168 Benchmark]: TraceAbstraction took 1867.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 38.0 MB). Peak memory consumption was 199.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:02:28,600 INFO L168 Benchmark]: Witness Printer took 62.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:02:28,601 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 343.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.41 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.55 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 460.47 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: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1867.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 38.0 MB). Peak memory consumption was 199.2 MB. Max. memory is 11.5 GB. * Witness Printer took 62.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 496]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 114 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 509 SDtfs, 241 SDslu, 787 SDs, 0 SdLazy, 301 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=149occurred 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: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 223 PreInvPairs, 236 NumberOfFragments, 427 HoareAnnotationTreeSize, 223 FomulaSimplifications, 68 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 48 FomulaSimplificationsInter, 705 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 270 NumberOfCodeBlocks, 270 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 265 ConstructedInterpolants, 0 QuantifiedInterpolants, 27323 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 correct! Received shutdown request...