./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product03_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ddf3ed37-c28d-4108-8f64-240d5bde8ffb/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ddf3ed37-c28d-4108-8f64-240d5bde8ffb/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ddf3ed37-c28d-4108-8f64-240d5bde8ffb/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ddf3ed37-c28d-4108-8f64-240d5bde8ffb/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product03_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ddf3ed37-c28d-4108-8f64-240d5bde8ffb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ddf3ed37-c28d-4108-8f64-240d5bde8ffb/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 76dc507b12cb3a2bccac05c4e284ee3cd573db6d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 04:41:01,288 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:41:01,290 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:41:01,298 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:41:01,298 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:41:01,299 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:41:01,299 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:41:01,301 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:41:01,302 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:41:01,302 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:41:01,303 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:41:01,303 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:41:01,304 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:41:01,304 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:41:01,305 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:41:01,305 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:41:01,306 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:41:01,307 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:41:01,308 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:41:01,309 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:41:01,310 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:41:01,311 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:41:01,312 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:41:01,312 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:41:01,312 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:41:01,313 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:41:01,314 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:41:01,314 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:41:01,315 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:41:01,315 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:41:01,316 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:41:01,316 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:41:01,316 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:41:01,316 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:41:01,317 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:41:01,318 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:41:01,318 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ddf3ed37-c28d-4108-8f64-240d5bde8ffb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 04:41:01,326 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:41:01,326 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:41:01,327 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:41:01,327 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 04:41:01,327 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 04:41:01,327 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 04:41:01,327 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 04:41:01,327 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 04:41:01,327 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 04:41:01,328 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 04:41:01,328 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 04:41:01,328 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:41:01,328 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:41:01,328 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:41:01,329 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:41:01,329 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:41:01,329 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:41:01,329 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:41:01,329 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:41:01,329 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:41:01,329 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:41:01,330 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:41:01,330 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:41:01,330 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 04:41:01,330 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:41:01,330 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 04:41:01,330 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:41:01,330 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:41:01,331 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:41:01,331 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:41:01,331 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 04:41:01,331 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:41:01,331 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:41:01,331 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 04:41:01,331 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_ddf3ed37-c28d-4108-8f64-240d5bde8ffb/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 -> 76dc507b12cb3a2bccac05c4e284ee3cd573db6d [2018-11-10 04:41:01,355 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:41:01,364 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:41:01,367 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:41:01,368 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:41:01,369 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:41:01,369 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ddf3ed37-c28d-4108-8f64-240d5bde8ffb/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product03_true-unreach-call_false-termination.cil.c [2018-11-10 04:41:01,413 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ddf3ed37-c28d-4108-8f64-240d5bde8ffb/bin-2019/utaipan/data/30e950596/096ecdeea87c4825b1678bd7d6efcd03/FLAG24f7a4f9a [2018-11-10 04:41:01,833 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:41:01,834 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ddf3ed37-c28d-4108-8f64-240d5bde8ffb/sv-benchmarks/c/product-lines/minepump_spec1_product03_true-unreach-call_false-termination.cil.c [2018-11-10 04:41:01,840 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ddf3ed37-c28d-4108-8f64-240d5bde8ffb/bin-2019/utaipan/data/30e950596/096ecdeea87c4825b1678bd7d6efcd03/FLAG24f7a4f9a [2018-11-10 04:41:01,848 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ddf3ed37-c28d-4108-8f64-240d5bde8ffb/bin-2019/utaipan/data/30e950596/096ecdeea87c4825b1678bd7d6efcd03 [2018-11-10 04:41:01,850 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:41:01,851 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:41:01,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:41:01,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:41:01,854 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:41:01,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:41:01" (1/1) ... [2018-11-10 04:41:01,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b52ac19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:01, skipping insertion in model container [2018-11-10 04:41:01,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:41:01" (1/1) ... [2018-11-10 04:41:01,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:41:01,891 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:41:02,068 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:41:02,075 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:41:02,126 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:41:02,141 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:41:02,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:02 WrapperNode [2018-11-10 04:41:02,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:41:02,142 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:41:02,142 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:41:02,142 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:41:02,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:02" (1/1) ... [2018-11-10 04:41:02,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:02" (1/1) ... [2018-11-10 04:41:02,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:41:02,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:41:02,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:41:02,238 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:41:02,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:02" (1/1) ... [2018-11-10 04:41:02,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:02" (1/1) ... [2018-11-10 04:41:02,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:02" (1/1) ... [2018-11-10 04:41:02,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:02" (1/1) ... [2018-11-10 04:41:02,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:02" (1/1) ... [2018-11-10 04:41:02,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:02" (1/1) ... [2018-11-10 04:41:02,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:02" (1/1) ... [2018-11-10 04:41:02,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:41:02,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:41:02,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:41:02,268 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:41:02,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ddf3ed37-c28d-4108-8f64-240d5bde8ffb/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 [2018-11-10 04:41:02,322 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 04:41:02,322 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 04:41:02,322 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 04:41:02,322 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 04:41:02,322 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 04:41:02,322 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 04:41:02,323 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-10 04:41:02,323 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-10 04:41:02,323 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 04:41:02,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 04:41:02,324 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 04:41:02,324 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 04:41:02,324 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 04:41:02,324 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 04:41:02,324 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 04:41:02,324 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 04:41:02,324 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 04:41:02,324 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 04:41:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 04:41:02,325 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 04:41:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 04:41:02,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 04:41:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 04:41:02,325 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 04:41:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 04:41:02,325 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 04:41:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 04:41:02,326 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 04:41:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 04:41:02,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 04:41:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 04:41:02,326 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 04:41:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:41:02,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:41:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 04:41:02,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 04:41:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 04:41:02,327 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 04:41:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 04:41:02,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 04:41:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-10 04:41:02,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-10 04:41:02,824 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:41:02,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:41:02 BoogieIcfgContainer [2018-11-10 04:41:02,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:41:02,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 04:41:02,825 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 04:41:02,827 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 04:41:02,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 04:41:01" (1/3) ... [2018-11-10 04:41:02,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ba91d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:41:02, skipping insertion in model container [2018-11-10 04:41:02,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:02" (2/3) ... [2018-11-10 04:41:02,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ba91d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:41:02, skipping insertion in model container [2018-11-10 04:41:02,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:41:02" (3/3) ... [2018-11-10 04:41:02,830 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product03_true-unreach-call_false-termination.cil.c [2018-11-10 04:41:02,836 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 04:41:02,842 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 04:41:02,851 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 04:41:02,873 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 04:41:02,873 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 04:41:02,873 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 04:41:02,873 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 04:41:02,873 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 04:41:02,873 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 04:41:02,873 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 04:41:02,873 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 04:41:02,887 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2018-11-10 04:41:02,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 04:41:02,893 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:41:02,894 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] [2018-11-10 04:41:02,896 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:41:02,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:41:02,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1085801726, now seen corresponding path program 1 times [2018-11-10 04:41:02,903 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:41:02,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:02,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:41:02,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:02,937 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:41:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:41:03,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:41:03,094 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:41:03,094 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:41:03,094 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:41:03,100 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 04:41:03,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 04:41:03,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 04:41:03,109 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2018-11-10 04:41:03,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:41:03,133 INFO L93 Difference]: Finished difference Result 184 states and 229 transitions. [2018-11-10 04:41:03,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 04:41:03,134 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-10 04:41:03,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:41:03,141 INFO L225 Difference]: With dead ends: 184 [2018-11-10 04:41:03,141 INFO L226 Difference]: Without dead ends: 92 [2018-11-10 04:41:03,143 INFO L605 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 [2018-11-10 04:41:03,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-11-10 04:41:03,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-11-10 04:41:03,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-11-10 04:41:03,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 106 transitions. [2018-11-10 04:41:03,176 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 106 transitions. Word has length 46 [2018-11-10 04:41:03,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:41:03,177 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 106 transitions. [2018-11-10 04:41:03,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 04:41:03,177 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 106 transitions. [2018-11-10 04:41:03,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 04:41:03,179 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:41:03,179 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] [2018-11-10 04:41:03,179 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:41:03,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:41:03,179 INFO L82 PathProgramCache]: Analyzing trace with hash -245017847, now seen corresponding path program 1 times [2018-11-10 04:41:03,180 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:41:03,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:03,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:41:03,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:03,181 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:41:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:41:03,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:41:03,271 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:41:03,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 04:41:03,271 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:41:03,272 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:41:03,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:41:03,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:41:03,273 INFO L87 Difference]: Start difference. First operand 92 states and 106 transitions. Second operand 3 states. [2018-11-10 04:41:03,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:41:03,286 INFO L93 Difference]: Finished difference Result 122 states and 139 transitions. [2018-11-10 04:41:03,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:41:03,287 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-10 04:41:03,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:41:03,289 INFO L225 Difference]: With dead ends: 122 [2018-11-10 04:41:03,289 INFO L226 Difference]: Without dead ends: 82 [2018-11-10 04:41:03,290 INFO L605 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 [2018-11-10 04:41:03,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-11-10 04:41:03,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-11-10 04:41:03,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-11-10 04:41:03,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2018-11-10 04:41:03,299 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 48 [2018-11-10 04:41:03,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:41:03,299 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2018-11-10 04:41:03,300 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:41:03,300 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2018-11-10 04:41:03,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 04:41:03,301 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:41:03,301 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] [2018-11-10 04:41:03,301 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:41:03,302 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:41:03,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1060333770, now seen corresponding path program 1 times [2018-11-10 04:41:03,302 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:41:03,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:03,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:41:03,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:03,304 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:41:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:41:03,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:41:03,410 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:41:03,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 04:41:03,410 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:41:03,410 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 04:41:03,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 04:41:03,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 04:41:03,411 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 7 states. [2018-11-10 04:41:03,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:41:03,767 INFO L93 Difference]: Finished difference Result 249 states and 298 transitions. [2018-11-10 04:41:03,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 04:41:03,768 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-10 04:41:03,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:41:03,771 INFO L225 Difference]: With dead ends: 249 [2018-11-10 04:41:03,771 INFO L226 Difference]: Without dead ends: 191 [2018-11-10 04:41:03,772 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-10 04:41:03,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2018-11-10 04:41:03,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 171. [2018-11-10 04:41:03,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-11-10 04:41:03,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 203 transitions. [2018-11-10 04:41:03,792 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 203 transitions. Word has length 52 [2018-11-10 04:41:03,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:41:03,792 INFO L481 AbstractCegarLoop]: Abstraction has 171 states and 203 transitions. [2018-11-10 04:41:03,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 04:41:03,792 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 203 transitions. [2018-11-10 04:41:03,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-10 04:41:03,794 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:41:03,794 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] [2018-11-10 04:41:03,794 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:41:03,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:41:03,795 INFO L82 PathProgramCache]: Analyzing trace with hash 63320982, now seen corresponding path program 1 times [2018-11-10 04:41:03,795 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:41:03,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:03,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:41:03,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:03,798 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:41:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:41:03,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:41:03,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:41:03,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 04:41:03,915 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:41:03,916 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 04:41:03,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 04:41:03,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 04:41:03,916 INFO L87 Difference]: Start difference. First operand 171 states and 203 transitions. Second operand 6 states. [2018-11-10 04:41:04,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:41:04,106 INFO L93 Difference]: Finished difference Result 450 states and 557 transitions. [2018-11-10 04:41:04,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 04:41:04,107 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2018-11-10 04:41:04,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:41:04,110 INFO L225 Difference]: With dead ends: 450 [2018-11-10 04:41:04,110 INFO L226 Difference]: Without dead ends: 303 [2018-11-10 04:41:04,111 INFO L605 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 [2018-11-10 04:41:04,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2018-11-10 04:41:04,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 297. [2018-11-10 04:41:04,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2018-11-10 04:41:04,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 356 transitions. [2018-11-10 04:41:04,137 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 356 transitions. Word has length 55 [2018-11-10 04:41:04,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:41:04,137 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 356 transitions. [2018-11-10 04:41:04,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 04:41:04,137 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 356 transitions. [2018-11-10 04:41:04,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 04:41:04,140 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:41:04,140 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] [2018-11-10 04:41:04,140 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:41:04,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:41:04,141 INFO L82 PathProgramCache]: Analyzing trace with hash 310961778, now seen corresponding path program 1 times [2018-11-10 04:41:04,141 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:41:04,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:04,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:41:04,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:04,143 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:41:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:41:04,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:41:04,228 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:41:04,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 04:41:04,229 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:41:04,229 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 04:41:04,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 04:41:04,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 04:41:04,230 INFO L87 Difference]: Start difference. First operand 297 states and 356 transitions. Second operand 6 states. [2018-11-10 04:41:04,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:41:04,402 INFO L93 Difference]: Finished difference Result 541 states and 664 transitions. [2018-11-10 04:41:04,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 04:41:04,403 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2018-11-10 04:41:04,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:41:04,403 INFO L225 Difference]: With dead ends: 541 [2018-11-10 04:41:04,404 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 04:41:04,406 INFO L605 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 [2018-11-10 04:41:04,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 04:41:04,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 04:41:04,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 04:41:04,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 04:41:04,407 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2018-11-10 04:41:04,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:41:04,407 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 04:41:04,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 04:41:04,407 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 04:41:04,408 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 04:41:04,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 04:41:04,828 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 200 207) the Hoare annotation is: true [2018-11-10 04:41:04,829 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 200 207) no Hoare annotation was computed. [2018-11-10 04:41:04,829 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 200 207) no Hoare annotation was computed. [2018-11-10 04:41:04,829 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 185 191) no Hoare annotation was computed. [2018-11-10 04:41:04,829 INFO L428 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 185 191) the Hoare annotation is: true [2018-11-10 04:41:04,829 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 133 139) the Hoare annotation is: true [2018-11-10 04:41:04,829 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 133 139) no Hoare annotation was computed. [2018-11-10 04:41:04,829 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 140 148) no Hoare annotation was computed. [2018-11-10 04:41:04,829 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 140 148) the Hoare annotation is: true [2018-11-10 04:41:04,829 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 140 148) no Hoare annotation was computed. [2018-11-10 04:41:04,829 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 04:41:04,830 INFO L421 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 04:41:04,830 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2018-11-10 04:41:04,830 INFO L421 ceAbstractionStarter]: At program point L91-1(lines 85 98) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 04:41:04,833 INFO L425 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2018-11-10 04:41:04,834 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2018-11-10 04:41:04,834 INFO L425 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2018-11-10 04:41:04,834 INFO L421 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 04:41:04,834 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-10 04:41:04,834 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2018-11-10 04:41:04,834 INFO L421 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 04:41:04,834 INFO L421 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 04:41:04,834 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-11-10 04:41:04,834 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2018-11-10 04:41:04,834 INFO L425 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2018-11-10 04:41:04,835 INFO L425 ceAbstractionStarter]: For program point L55-1(lines 55 102) no Hoare annotation was computed. [2018-11-10 04:41:04,835 INFO L421 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 04:41:04,835 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2018-11-10 04:41:04,835 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 433 455) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 04:41:04,835 INFO L421 ceAbstractionStarter]: At program point L445(line 445) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))) [2018-11-10 04:41:04,835 INFO L421 ceAbstractionStarter]: At program point L445-1(line 445) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))) [2018-11-10 04:41:04,835 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 450) no Hoare annotation was computed. [2018-11-10 04:41:04,835 INFO L425 ceAbstractionStarter]: For program point L443-1(lines 443 450) no Hoare annotation was computed. [2018-11-10 04:41:04,835 INFO L425 ceAbstractionStarter]: For program point L441(line 441) no Hoare annotation was computed. [2018-11-10 04:41:04,835 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 433 455) no Hoare annotation was computed. [2018-11-10 04:41:04,835 INFO L421 ceAbstractionStarter]: At program point L440(line 440) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 04:41:04,836 INFO L421 ceAbstractionStarter]: At program point L439(line 439) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 04:41:04,836 INFO L421 ceAbstractionStarter]: At program point L439-1(line 439) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 04:41:04,836 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 433 455) no Hoare annotation was computed. [2018-11-10 04:41:04,847 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 264 278) no Hoare annotation was computed. [2018-11-10 04:41:04,847 INFO L421 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-10 04:41:04,847 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 274) no Hoare annotation was computed. [2018-11-10 04:41:04,847 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 264 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-10 04:41:04,847 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 264 278) no Hoare annotation was computed. [2018-11-10 04:41:04,847 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 219 227) no Hoare annotation was computed. [2018-11-10 04:41:04,848 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 219 227) the Hoare annotation is: true [2018-11-10 04:41:04,848 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 219 227) no Hoare annotation was computed. [2018-11-10 04:41:04,848 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 04:41:04,848 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 04:41:04,848 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 04:41:04,848 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 307 318) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 04:41:04,848 INFO L425 ceAbstractionStarter]: For program point L311-1(lines 307 318) no Hoare annotation was computed. [2018-11-10 04:41:04,848 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 307 318) no Hoare annotation was computed. [2018-11-10 04:41:04,848 INFO L428 ceAbstractionStarter]: At program point timeShiftENTRY(lines 161 184) the Hoare annotation is: true [2018-11-10 04:41:04,848 INFO L421 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: (or (not (= ~systemActive~0 0)) (not (= 0 ~pumpRunning~0))) [2018-11-10 04:41:04,848 INFO L428 ceAbstractionStarter]: At program point L172(lines 172 178) the Hoare annotation is: true [2018-11-10 04:41:04,848 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 161 184) no Hoare annotation was computed. [2018-11-10 04:41:04,848 INFO L421 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-10 04:41:04,849 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 161 184) no Hoare annotation was computed. [2018-11-10 04:41:04,849 INFO L425 ceAbstractionStarter]: For program point L165(lines 164 183) no Hoare annotation was computed. [2018-11-10 04:41:04,849 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 362 391) no Hoare annotation was computed. [2018-11-10 04:41:04,849 INFO L425 ceAbstractionStarter]: For program point L376(lines 376 380) no Hoare annotation was computed. [2018-11-10 04:41:04,849 INFO L428 ceAbstractionStarter]: At program point L376-1(lines 376 380) the Hoare annotation is: true [2018-11-10 04:41:04,849 INFO L425 ceAbstractionStarter]: For program point L372-1(lines 372 386) no Hoare annotation was computed. [2018-11-10 04:41:04,849 INFO L428 ceAbstractionStarter]: At program point L372-3(lines 372 386) the Hoare annotation is: true [2018-11-10 04:41:04,849 INFO L428 ceAbstractionStarter]: At program point L368(line 368) the Hoare annotation is: true [2018-11-10 04:41:04,849 INFO L425 ceAbstractionStarter]: For program point L368-1(line 368) no Hoare annotation was computed. [2018-11-10 04:41:04,849 INFO L428 ceAbstractionStarter]: At program point L387(lines 362 391) the Hoare annotation is: true [2018-11-10 04:41:04,849 INFO L425 ceAbstractionStarter]: For program point L383(line 383) no Hoare annotation was computed. [2018-11-10 04:41:04,849 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 362 391) the Hoare annotation is: true [2018-11-10 04:41:04,849 INFO L425 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2018-11-10 04:41:04,849 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 319 327) the Hoare annotation is: true [2018-11-10 04:41:04,850 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 319 327) no Hoare annotation was computed. [2018-11-10 04:41:04,850 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 319 327) no Hoare annotation was computed. [2018-11-10 04:41:04,850 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 283 294) the Hoare annotation is: true [2018-11-10 04:41:04,850 INFO L425 ceAbstractionStarter]: For program point L287-1(lines 283 294) no Hoare annotation was computed. [2018-11-10 04:41:04,850 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 283 294) no Hoare annotation was computed. [2018-11-10 04:41:04,850 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 126 132) no Hoare annotation was computed. [2018-11-10 04:41:04,850 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 126 132) the Hoare annotation is: true [2018-11-10 04:41:04,850 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 04:41:04,850 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-10 04:41:04,850 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 04:41:04,850 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 04:41:04,850 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 416 422) no Hoare annotation was computed. [2018-11-10 04:41:04,850 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 416 422) the Hoare annotation is: true [2018-11-10 04:41:04,851 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 295 306) no Hoare annotation was computed. [2018-11-10 04:41:04,851 INFO L425 ceAbstractionStarter]: For program point L299-1(lines 295 306) no Hoare annotation was computed. [2018-11-10 04:41:04,851 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 295 306) the Hoare annotation is: true [2018-11-10 04:41:04,851 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 457 464) no Hoare annotation was computed. [2018-11-10 04:41:04,851 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2018-11-10 04:41:04,851 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 457 464) the Hoare annotation is: true [2018-11-10 04:41:04,851 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 457 464) no Hoare annotation was computed. [2018-11-10 04:41:04,851 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 423 432) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 04:41:04,851 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 423 432) no Hoare annotation was computed. [2018-11-10 04:41:04,851 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 423 432) no Hoare annotation was computed. [2018-11-10 04:41:04,851 INFO L421 ceAbstractionStarter]: At program point L480(line 480) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-10 04:41:04,851 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 484) no Hoare annotation was computed. [2018-11-10 04:41:04,852 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 466 490) the Hoare annotation is: true [2018-11-10 04:41:04,852 INFO L421 ceAbstractionStarter]: At program point L476(line 476) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-10 04:41:04,852 INFO L425 ceAbstractionStarter]: For program point L476-1(line 476) no Hoare annotation was computed. [2018-11-10 04:41:04,852 INFO L425 ceAbstractionStarter]: For program point L474(lines 474 487) no Hoare annotation was computed. [2018-11-10 04:41:04,852 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 466 490) no Hoare annotation was computed. [2018-11-10 04:41:04,852 INFO L428 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: true [2018-11-10 04:41:04,852 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 466 490) no Hoare annotation was computed. [2018-11-10 04:41:04,852 INFO L425 ceAbstractionStarter]: For program point L472-1(line 472) no Hoare annotation was computed. [2018-11-10 04:41:04,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 04:41:04 BoogieIcfgContainer [2018-11-10 04:41:04,862 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 04:41:04,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:41:04,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:41:04,862 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:41:04,863 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:41:02" (3/4) ... [2018-11-10 04:41:04,866 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 04:41:04,872 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 04:41:04,872 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 04:41:04,872 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 04:41:04,872 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 04:41:04,872 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 04:41:04,872 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 04:41:04,872 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-10 04:41:04,872 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 04:41:04,873 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 04:41:04,873 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 04:41:04,873 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 04:41:04,873 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 04:41:04,873 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 04:41:04,873 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 04:41:04,873 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 04:41:04,873 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 04:41:04,874 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 04:41:04,874 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 04:41:04,874 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 04:41:04,874 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-10 04:41:04,881 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 137 nodes and edges [2018-11-10 04:41:04,882 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 04:41:04,882 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 04:41:04,907 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 04:41:04,907 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 04:41:04,940 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ddf3ed37-c28d-4108-8f64-240d5bde8ffb/bin-2019/utaipan/witness.graphml [2018-11-10 04:41:04,940 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:41:04,941 INFO L168 Benchmark]: Toolchain (without parser) took 3090.86 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 232.3 MB). Free memory was 960.3 MB in the beginning and 1.2 GB in the end (delta: -221.4 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:41:04,942 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-11-10 04:41:04,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.39 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 935.1 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-11-10 04:41:04,943 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 935.1 MB in the beginning and 1.2 GB in the end (delta: -223.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 04:41:04,943 INFO L168 Benchmark]: Boogie Preprocessor took 29.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:41:04,943 INFO L168 Benchmark]: RCFGBuilder took 556.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 85.2 MB). Peak memory consumption was 85.2 MB. Max. memory is 11.5 GB. [2018-11-10 04:41:04,944 INFO L168 Benchmark]: TraceAbstraction took 2037.02 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 67.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -122.2 MB). Peak memory consumption was 246.6 MB. Max. memory is 11.5 GB. [2018-11-10 04:41:04,944 INFO L168 Benchmark]: Witness Printer took 78.31 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:41:04,946 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 290.39 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 935.1 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 935.1 MB in the beginning and 1.2 GB in the end (delta: -223.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 556.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 85.2 MB). Peak memory consumption was 85.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2037.02 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 67.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -122.2 MB). Peak memory consumption was 246.6 MB. Max. memory is 11.5 GB. * Witness Printer took 78.31 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 461]: 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: 372]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 105 locations, 1 error locations. SAFE Result, 1.9s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 494 SDtfs, 242 SDslu, 1007 SDs, 0 SdLazy, 230 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=297occurred 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, 26 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 300 PreInvPairs, 341 NumberOfFragments, 385 HoareAnnotationTreeSize, 300 FomulaSimplifications, 300 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 44 FomulaSimplificationsInter, 1209 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 255 ConstructedInterpolants, 0 QuantifiedInterpolants, 24823 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...