./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_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_c2b07e14-7572-4b2d-9e16-41ed5fdf571a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c2b07e14-7572-4b2d-9e16-41ed5fdf571a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c2b07e14-7572-4b2d-9e16-41ed5fdf571a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c2b07e14-7572-4b2d-9e16-41ed5fdf571a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product13_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c2b07e14-7572-4b2d-9e16-41ed5fdf571a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c2b07e14-7572-4b2d-9e16-41ed5fdf571a/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 44f1ef45a377efa065428e9ab52d4697ba35b901 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:09:18,865 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:09:18,866 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:09:18,874 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:09:18,874 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:09:18,875 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:09:18,876 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:09:18,877 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:09:18,878 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:09:18,878 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:09:18,879 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:09:18,879 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:09:18,880 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:09:18,880 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:09:18,881 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:09:18,882 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:09:18,882 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:09:18,883 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:09:18,885 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:09:18,886 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:09:18,886 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:09:18,887 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:09:18,888 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:09:18,888 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:09:18,888 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:09:18,888 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:09:18,889 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:09:18,889 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:09:18,889 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:09:18,890 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:09:18,890 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:09:18,890 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:09:18,890 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:09:18,890 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:09:18,891 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:09:18,891 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:09:18,891 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c2b07e14-7572-4b2d-9e16-41ed5fdf571a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 12:09:18,901 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:09:18,901 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:09:18,902 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:09:18,902 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:09:18,902 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:09:18,902 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:09:18,902 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:09:18,903 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:09:18,903 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:09:18,903 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:09:18,903 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:09:18,903 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:09:18,903 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:09:18,904 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:09:18,904 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:09:18,904 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:09:18,904 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:09:18,904 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:09:18,905 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:09:18,905 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:09:18,905 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:09:18,905 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:09:18,905 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:09:18,905 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:09:18,905 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:09:18,906 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:09:18,906 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:09:18,906 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:09:18,906 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:09:18,906 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:09:18,906 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:09:18,906 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:09:18,907 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:09:18,907 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:09:18,907 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:09:18,907 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:09:18,907 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:09:18,907 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_c2b07e14-7572-4b2d-9e16-41ed5fdf571a/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 -> 44f1ef45a377efa065428e9ab52d4697ba35b901 [2018-11-18 12:09:18,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:09:18,939 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:09:18,941 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:09:18,942 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:09:18,943 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:09:18,943 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c2b07e14-7572-4b2d-9e16-41ed5fdf571a/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product13_true-unreach-call_false-termination.cil.c [2018-11-18 12:09:18,982 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c2b07e14-7572-4b2d-9e16-41ed5fdf571a/bin-2019/utaipan/data/d70cea532/2605b406b4954e69800fa91f03175d3d/FLAG6fbd1321e [2018-11-18 12:09:19,412 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:09:19,413 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c2b07e14-7572-4b2d-9e16-41ed5fdf571a/sv-benchmarks/c/product-lines/minepump_spec4_product13_true-unreach-call_false-termination.cil.c [2018-11-18 12:09:19,419 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c2b07e14-7572-4b2d-9e16-41ed5fdf571a/bin-2019/utaipan/data/d70cea532/2605b406b4954e69800fa91f03175d3d/FLAG6fbd1321e [2018-11-18 12:09:19,429 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c2b07e14-7572-4b2d-9e16-41ed5fdf571a/bin-2019/utaipan/data/d70cea532/2605b406b4954e69800fa91f03175d3d [2018-11-18 12:09:19,432 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:09:19,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:09:19,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:09:19,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:09:19,437 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:09:19,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:09:19" (1/1) ... [2018-11-18 12:09:19,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:09:19, skipping insertion in model container [2018-11-18 12:09:19,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:09:19" (1/1) ... [2018-11-18 12:09:19,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:09:19,481 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:09:19,660 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:09:19,668 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:09:19,760 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:09:19,778 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:09:19,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:09:19 WrapperNode [2018-11-18 12:09:19,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:09:19,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:09:19,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:09:19,779 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:09:19,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:09:19" (1/1) ... [2018-11-18 12:09:19,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:09:19" (1/1) ... [2018-11-18 12:09:19,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:09:19,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:09:19,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:09:19,803 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:09:19,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:09:19" (1/1) ... [2018-11-18 12:09:19,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:09:19" (1/1) ... [2018-11-18 12:09:19,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:09:19" (1/1) ... [2018-11-18 12:09:19,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:09:19" (1/1) ... [2018-11-18 12:09:19,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:09:19" (1/1) ... [2018-11-18 12:09:19,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:09:19" (1/1) ... [2018-11-18 12:09:19,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:09:19" (1/1) ... [2018-11-18 12:09:19,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:09:19,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:09:19,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:09:19,827 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:09:19,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:09:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2b07e14-7572-4b2d-9e16-41ed5fdf571a/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 12:09:19,858 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 12:09:19,858 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 12:09:19,858 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 12:09:19,858 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 12:09:19,858 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-18 12:09:19,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-18 12:09:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:09:19,859 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:09:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 12:09:19,859 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 12:09:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 12:09:19,859 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 12:09:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:09:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 12:09:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 12:09:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 12:09:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 12:09:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 12:09:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 12:09:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 12:09:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 12:09:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 12:09:19,861 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 12:09:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 12:09:19,861 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 12:09:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:09:19,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:09:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 12:09:19,861 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 12:09:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 12:09:19,862 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 12:09:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 12:09:19,862 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 12:09:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 12:09:19,862 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 12:09:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 12:09:19,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 12:09:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 12:09:19,862 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 12:09:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 12:09:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 12:09:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:09:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:09:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 12:09:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 12:09:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 12:09:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 12:09:20,273 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:09:20,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:09:20 BoogieIcfgContainer [2018-11-18 12:09:20,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:09:20,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:09:20,274 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:09:20,276 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:09:20,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:09:19" (1/3) ... [2018-11-18 12:09:20,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5efe1263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:09:20, skipping insertion in model container [2018-11-18 12:09:20,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:09:19" (2/3) ... [2018-11-18 12:09:20,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5efe1263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:09:20, skipping insertion in model container [2018-11-18 12:09:20,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:09:20" (3/3) ... [2018-11-18 12:09:20,279 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product13_true-unreach-call_false-termination.cil.c [2018-11-18 12:09:20,284 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:09:20,290 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:09:20,299 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:09:20,321 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:09:20,321 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:09:20,321 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:09:20,321 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:09:20,321 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:09:20,321 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:09:20,322 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:09:20,322 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:09:20,335 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-11-18 12:09:20,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 12:09:20,341 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:09:20,342 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 12:09:20,344 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:09:20,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:09:20,349 INFO L82 PathProgramCache]: Analyzing trace with hash -63015538, now seen corresponding path program 1 times [2018-11-18 12:09:20,350 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:09:20,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:09:20,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:09:20,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:09:20,380 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:09:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:09:20,550 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 12:09:20,552 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:09:20,553 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:09:20,553 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:09:20,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:09:20,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:09:20,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:09:20,568 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2018-11-18 12:09:20,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:09:20,594 INFO L93 Difference]: Finished difference Result 208 states and 257 transitions. [2018-11-18 12:09:20,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:09:20,595 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 12:09:20,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:09:20,602 INFO L225 Difference]: With dead ends: 208 [2018-11-18 12:09:20,602 INFO L226 Difference]: Without dead ends: 104 [2018-11-18 12:09:20,604 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 12:09:20,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-11-18 12:09:20,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-11-18 12:09:20,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-11-18 12:09:20,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 120 transitions. [2018-11-18 12:09:20,632 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 120 transitions. Word has length 46 [2018-11-18 12:09:20,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:09:20,633 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 120 transitions. [2018-11-18 12:09:20,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:09:20,633 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 120 transitions. [2018-11-18 12:09:20,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 12:09:20,634 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:09:20,635 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 12:09:20,635 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:09:20,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:09:20,635 INFO L82 PathProgramCache]: Analyzing trace with hash 360438900, now seen corresponding path program 1 times [2018-11-18 12:09:20,635 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:09:20,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:09:20,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:09:20,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:09:20,636 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:09:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:09:20,741 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 12:09:20,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:09:20,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:09:20,743 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:09:20,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:09:20,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:09:20,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:09:20,745 INFO L87 Difference]: Start difference. First operand 104 states and 120 transitions. Second operand 3 states. [2018-11-18 12:09:20,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:09:20,762 INFO L93 Difference]: Finished difference Result 155 states and 177 transitions. [2018-11-18 12:09:20,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:09:20,762 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 12:09:20,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:09:20,764 INFO L225 Difference]: With dead ends: 155 [2018-11-18 12:09:20,764 INFO L226 Difference]: Without dead ends: 94 [2018-11-18 12:09:20,765 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 12:09:20,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-11-18 12:09:20,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-11-18 12:09:20,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-11-18 12:09:20,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 107 transitions. [2018-11-18 12:09:20,774 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 107 transitions. Word has length 48 [2018-11-18 12:09:20,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:09:20,774 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 107 transitions. [2018-11-18 12:09:20,775 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:09:20,775 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2018-11-18 12:09:20,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 12:09:20,776 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:09:20,776 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 12:09:20,776 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:09:20,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:09:20,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1996825894, now seen corresponding path program 1 times [2018-11-18 12:09:20,777 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:09:20,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:09:20,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:09:20,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:09:20,778 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:09:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:09:20,883 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 12:09:20,883 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:09:20,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:09:20,883 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:09:20,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:09:20,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:09:20,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:09:20,884 INFO L87 Difference]: Start difference. First operand 94 states and 107 transitions. Second operand 7 states. [2018-11-18 12:09:21,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:09:21,112 INFO L93 Difference]: Finished difference Result 164 states and 191 transitions. [2018-11-18 12:09:21,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:09:21,113 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-18 12:09:21,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:09:21,113 INFO L225 Difference]: With dead ends: 164 [2018-11-18 12:09:21,113 INFO L226 Difference]: Without dead ends: 94 [2018-11-18 12:09:21,114 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 12:09:21,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-11-18 12:09:21,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-11-18 12:09:21,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-11-18 12:09:21,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 106 transitions. [2018-11-18 12:09:21,121 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 106 transitions. Word has length 52 [2018-11-18 12:09:21,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:09:21,121 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 106 transitions. [2018-11-18 12:09:21,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:09:21,121 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 106 transitions. [2018-11-18 12:09:21,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 12:09:21,122 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:09:21,122 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 12:09:21,122 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:09:21,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:09:21,122 INFO L82 PathProgramCache]: Analyzing trace with hash -551439958, now seen corresponding path program 1 times [2018-11-18 12:09:21,122 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:09:21,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:09:21,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:09:21,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:09:21,123 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:09:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:09:21,268 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 12:09:21,269 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:09:21,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 12:09:21,269 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:09:21,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:09:21,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:09:21,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:09:21,272 INFO L87 Difference]: Start difference. First operand 94 states and 106 transitions. Second operand 10 states. [2018-11-18 12:09:21,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:09:21,759 INFO L93 Difference]: Finished difference Result 284 states and 345 transitions. [2018-11-18 12:09:21,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 12:09:21,760 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2018-11-18 12:09:21,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:09:21,763 INFO L225 Difference]: With dead ends: 284 [2018-11-18 12:09:21,763 INFO L226 Difference]: Without dead ends: 214 [2018-11-18 12:09:21,764 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-18 12:09:21,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-11-18 12:09:21,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 210. [2018-11-18 12:09:21,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-11-18 12:09:21,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 246 transitions. [2018-11-18 12:09:21,791 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 246 transitions. Word has length 60 [2018-11-18 12:09:21,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:09:21,792 INFO L480 AbstractCegarLoop]: Abstraction has 210 states and 246 transitions. [2018-11-18 12:09:21,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:09:21,792 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 246 transitions. [2018-11-18 12:09:21,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 12:09:21,793 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:09:21,794 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:09:21,796 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:09:21,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:09:21,797 INFO L82 PathProgramCache]: Analyzing trace with hash -424469648, now seen corresponding path program 1 times [2018-11-18 12:09:21,797 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:09:21,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:09:21,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:09:21,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:09:21,798 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:09:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:09:21,865 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 12:09:21,865 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:09:21,866 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:09:21,866 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:09:21,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:09:21,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:09:21,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:09:21,867 INFO L87 Difference]: Start difference. First operand 210 states and 246 transitions. Second operand 3 states. [2018-11-18 12:09:21,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:09:21,882 INFO L93 Difference]: Finished difference Result 338 states and 406 transitions. [2018-11-18 12:09:21,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:09:21,883 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2018-11-18 12:09:21,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:09:21,885 INFO L225 Difference]: With dead ends: 338 [2018-11-18 12:09:21,885 INFO L226 Difference]: Without dead ends: 152 [2018-11-18 12:09:21,886 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 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 12:09:21,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-11-18 12:09:21,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-11-18 12:09:21,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-11-18 12:09:21,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 170 transitions. [2018-11-18 12:09:21,899 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 170 transitions. Word has length 64 [2018-11-18 12:09:21,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:09:21,899 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 170 transitions. [2018-11-18 12:09:21,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:09:21,899 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 170 transitions. [2018-11-18 12:09:21,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 12:09:21,901 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:09:21,901 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:09:21,901 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:09:21,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:09:21,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1875180807, now seen corresponding path program 1 times [2018-11-18 12:09:21,902 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:09:21,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:09:21,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:09:21,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:09:21,905 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:09:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:09:22,042 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 12:09:22,042 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:09:22,042 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:09:22,043 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 101 with the following transitions: [2018-11-18 12:09:22,044 INFO L202 CegarAbsIntRunner]: [2], [17], [20], [21], [22], [23], [24], [28], [34], [38], [42], [45], [50], [56], [58], [61], [76], [78], [81], [83], [86], [92], [94], [95], [99], [102], [110], [111], [112], [113], [114], [115], [116], [129], [133], [139], [176], [177], [183], [187], [188], [203], [204], [205], [206], [209], [210], [213], [214], [215], [216], [217], [219], [220], [221], [222], [223], [224], [225], [226], [227], [231], [232], [233], [234], [239], [240], [241], [243] [2018-11-18 12:09:22,075 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:09:22,076 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:09:22,558 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:09:22,559 INFO L272 AbstractInterpreter]: Visited 67 different actions 76 times. Merged at 6 different actions 6 times. Never widened. Performed 2632 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2632 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 132 variables. [2018-11-18 12:09:22,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:09:22,574 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:09:22,917 INFO L227 lantSequenceWeakener]: Weakened 96 states. On average, predicates are now at 97.53% of their original sizes. [2018-11-18 12:09:22,917 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:09:23,050 INFO L415 sIntCurrentIteration]: We unified 99 AI predicates to 99 [2018-11-18 12:09:23,050 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:09:23,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:09:23,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [7] total 20 [2018-11-18 12:09:23,051 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:09:23,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 12:09:23,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 12:09:23,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-11-18 12:09:23,052 INFO L87 Difference]: Start difference. First operand 152 states and 170 transitions. Second operand 15 states. [2018-11-18 12:09:24,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:09:24,798 INFO L93 Difference]: Finished difference Result 193 states and 218 transitions. [2018-11-18 12:09:24,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 12:09:24,798 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 100 [2018-11-18 12:09:24,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:09:24,798 INFO L225 Difference]: With dead ends: 193 [2018-11-18 12:09:24,798 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:09:24,799 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 100 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2018-11-18 12:09:24,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:09:24,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:09:24,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:09:24,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:09:24,799 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2018-11-18 12:09:24,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:09:24,800 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:09:24,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 12:09:24,800 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:09:24,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:09:24,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:09:25,362 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 717 724) the Hoare annotation is: true [2018-11-18 12:09:25,362 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 717 724) no Hoare annotation was computed. [2018-11-18 12:09:25,362 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 717 724) no Hoare annotation was computed. [2018-11-18 12:09:25,362 INFO L421 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 12:09:25,362 INFO L425 ceAbstractionStarter]: For program point L673-1(line 673) no Hoare annotation was computed. [2018-11-18 12:09:25,363 INFO L425 ceAbstractionStarter]: For program point L671(lines 671 688) no Hoare annotation was computed. [2018-11-18 12:09:25,363 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 667 691) no Hoare annotation was computed. [2018-11-18 12:09:25,363 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 667 691) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-18 12:09:25,363 INFO L421 ceAbstractionStarter]: At program point L686(line 686) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-18 12:09:25,363 INFO L425 ceAbstractionStarter]: For program point L686-1(lines 667 691) no Hoare annotation was computed. [2018-11-18 12:09:25,363 INFO L421 ceAbstractionStarter]: At program point L681(line 681) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 12:09:25,363 INFO L421 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 12:09:25,363 INFO L425 ceAbstractionStarter]: For program point L675(lines 675 683) no Hoare annotation was computed. [2018-11-18 12:09:25,363 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 865 871) the Hoare annotation is: true [2018-11-18 12:09:25,363 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 865 871) no Hoare annotation was computed. [2018-11-18 12:09:25,363 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 872 880) no Hoare annotation was computed. [2018-11-18 12:09:25,363 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 872 880) the Hoare annotation is: true [2018-11-18 12:09:25,363 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 872 880) no Hoare annotation was computed. [2018-11-18 12:09:25,364 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 782 845) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:09:25,364 INFO L425 ceAbstractionStarter]: For program point L828(lines 828 832) no Hoare annotation was computed. [2018-11-18 12:09:25,364 INFO L421 ceAbstractionStarter]: At program point L828-2(lines 822 833) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 12:09:25,364 INFO L425 ceAbstractionStarter]: For program point L793(lines 792 837) no Hoare annotation was computed. [2018-11-18 12:09:25,364 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 782 845) no Hoare annotation was computed. [2018-11-18 12:09:25,364 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 833) no Hoare annotation was computed. [2018-11-18 12:09:25,364 INFO L421 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 12:09:25,364 INFO L425 ceAbstractionStarter]: For program point L812(lines 812 818) no Hoare annotation was computed. [2018-11-18 12:09:25,364 INFO L425 ceAbstractionStarter]: For program point L812-1(lines 812 818) no Hoare annotation was computed. [2018-11-18 12:09:25,364 INFO L421 ceAbstractionStarter]: At program point L804(line 804) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= ~systemActive~0 1)) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 12:09:25,364 INFO L421 ceAbstractionStarter]: At program point L835(lines 792 837) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 12:09:25,364 INFO L425 ceAbstractionStarter]: For program point L802(lines 802 808) no Hoare annotation was computed. [2018-11-18 12:09:25,364 INFO L425 ceAbstractionStarter]: For program point L802-1(lines 802 808) no Hoare annotation was computed. [2018-11-18 12:09:25,364 INFO L425 ceAbstractionStarter]: For program point L794(lines 794 798) no Hoare annotation was computed. [2018-11-18 12:09:25,364 INFO L425 ceAbstractionStarter]: For program point L792-1(lines 792 837) no Hoare annotation was computed. [2018-11-18 12:09:25,364 INFO L421 ceAbstractionStarter]: At program point L838(lines 791 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:09:25,365 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 782 845) no Hoare annotation was computed. [2018-11-18 12:09:25,365 INFO L421 ceAbstractionStarter]: At program point L512(line 512) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 12:09:25,365 INFO L425 ceAbstractionStarter]: For program point L512-1(line 512) no Hoare annotation was computed. [2018-11-18 12:09:25,365 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 502 526) the Hoare annotation is: true [2018-11-18 12:09:25,365 INFO L425 ceAbstractionStarter]: For program point L510(lines 510 523) no Hoare annotation was computed. [2018-11-18 12:09:25,365 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 502 526) no Hoare annotation was computed. [2018-11-18 12:09:25,365 INFO L428 ceAbstractionStarter]: At program point L508(line 508) the Hoare annotation is: true [2018-11-18 12:09:25,365 INFO L425 ceAbstractionStarter]: For program point L508-1(line 508) no Hoare annotation was computed. [2018-11-18 12:09:25,365 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 502 526) no Hoare annotation was computed. [2018-11-18 12:09:25,365 INFO L421 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 12:09:25,365 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 520) no Hoare annotation was computed. [2018-11-18 12:09:25,365 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 606 628) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:09:25,365 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 606 628) no Hoare annotation was computed. [2018-11-18 12:09:25,365 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 606 628) no Hoare annotation was computed. [2018-11-18 12:09:25,365 INFO L421 ceAbstractionStarter]: At program point L618(line 618) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 1) (= main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:09:25,366 INFO L421 ceAbstractionStarter]: At program point L618-1(line 618) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 1) (= main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:09:25,366 INFO L425 ceAbstractionStarter]: For program point L616(lines 616 623) no Hoare annotation was computed. [2018-11-18 12:09:25,366 INFO L425 ceAbstractionStarter]: For program point L616-1(lines 616 623) no Hoare annotation was computed. [2018-11-18 12:09:25,366 INFO L425 ceAbstractionStarter]: For program point L614(line 614) no Hoare annotation was computed. [2018-11-18 12:09:25,366 INFO L421 ceAbstractionStarter]: At program point L613(line 613) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:09:25,366 INFO L421 ceAbstractionStarter]: At program point L612(line 612) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:09:25,366 INFO L421 ceAbstractionStarter]: At program point L612-1(line 612) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:09:25,366 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 659 665) no Hoare annotation was computed. [2018-11-18 12:09:25,366 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 659 665) the Hoare annotation is: true [2018-11-18 12:09:25,367 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 736 744) no Hoare annotation was computed. [2018-11-18 12:09:25,367 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 736 744) the Hoare annotation is: true [2018-11-18 12:09:25,367 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 736 744) no Hoare annotation was computed. [2018-11-18 12:09:25,367 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:09:25,367 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:09:25,367 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:09:25,367 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2018-11-18 12:09:25,367 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2018-11-18 12:09:25,367 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2018-11-18 12:09:25,367 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2018-11-18 12:09:25,367 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2018-11-18 12:09:25,367 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2018-11-18 12:09:25,368 INFO L421 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 12:09:25,368 INFO L425 ceAbstractionStarter]: For program point L639(lines 638 657) no Hoare annotation was computed. [2018-11-18 12:09:25,368 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 635 658) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~waterLevel~0 2) .cse1) .cse2 (not (= |old(~waterLevel~0)| 2))) (or (and (= ~waterLevel~0 1) .cse1) .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 12:09:25,368 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 635 658) no Hoare annotation was computed. [2018-11-18 12:09:25,368 INFO L421 ceAbstractionStarter]: At program point L648(line 648) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~waterLevel~0 2) .cse1) .cse2 (not (= |old(~waterLevel~0)| 2))) (or (and (= ~waterLevel~0 1) .cse1) .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 12:09:25,368 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 635 658) no Hoare annotation was computed. [2018-11-18 12:09:25,368 INFO L421 ceAbstractionStarter]: At program point L646(lines 646 652) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~waterLevel~0 2) .cse1) .cse2 (not (= |old(~waterLevel~0)| 2))) (or (and (= ~waterLevel~0 1) .cse1) .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 12:09:25,369 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 530 559) no Hoare annotation was computed. [2018-11-18 12:09:25,369 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 12:09:25,369 INFO L425 ceAbstractionStarter]: For program point L544(lines 544 548) no Hoare annotation was computed. [2018-11-18 12:09:25,369 INFO L428 ceAbstractionStarter]: At program point L544-1(lines 544 548) the Hoare annotation is: true [2018-11-18 12:09:25,369 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 530 559) the Hoare annotation is: true [2018-11-18 12:09:25,369 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 540 554) no Hoare annotation was computed. [2018-11-18 12:09:25,369 INFO L428 ceAbstractionStarter]: At program point L540-3(lines 540 554) the Hoare annotation is: true [2018-11-18 12:09:25,369 INFO L428 ceAbstractionStarter]: At program point L536(line 536) the Hoare annotation is: true [2018-11-18 12:09:25,369 INFO L425 ceAbstractionStarter]: For program point L536-1(line 536) no Hoare annotation was computed. [2018-11-18 12:09:25,370 INFO L428 ceAbstractionStarter]: At program point L555(lines 530 559) the Hoare annotation is: true [2018-11-18 12:09:25,370 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-18 12:09:25,370 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2018-11-18 12:09:25,370 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2018-11-18 12:09:25,370 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2018-11-18 12:09:25,370 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2018-11-18 12:09:25,370 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2018-11-18 12:09:25,370 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2018-11-18 12:09:25,370 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 858 864) no Hoare annotation was computed. [2018-11-18 12:09:25,371 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 858 864) the Hoare annotation is: true [2018-11-18 12:09:25,371 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 585 591) no Hoare annotation was computed. [2018-11-18 12:09:25,371 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 585 591) the Hoare annotation is: true [2018-11-18 12:09:25,371 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:09:25,371 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 12:09:25,371 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:09:25,371 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:09:25,371 INFO L425 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2018-11-18 12:09:25,371 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2018-11-18 12:09:25,372 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= ~waterLevel~0 1) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (= ~waterLevel~0 2) .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))))) [2018-11-18 12:09:25,372 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 492 499) no Hoare annotation was computed. [2018-11-18 12:09:25,372 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 492 499) the Hoare annotation is: true [2018-11-18 12:09:25,372 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2018-11-18 12:09:25,372 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 492 499) no Hoare annotation was computed. [2018-11-18 12:09:25,372 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 593 602) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:09:25,372 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 593 602) no Hoare annotation was computed. [2018-11-18 12:09:25,372 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 593 602) no Hoare annotation was computed. [2018-11-18 12:09:25,373 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 725 735) the Hoare annotation is: true [2018-11-18 12:09:25,373 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 725 735) no Hoare annotation was computed. [2018-11-18 12:09:25,373 INFO L428 ceAbstractionStarter]: At program point L730(line 730) the Hoare annotation is: true [2018-11-18 12:09:25,373 INFO L425 ceAbstractionStarter]: For program point L730-1(line 730) no Hoare annotation was computed. [2018-11-18 12:09:25,373 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 725 735) no Hoare annotation was computed. [2018-11-18 12:09:25,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:09:25 BoogieIcfgContainer [2018-11-18 12:09:25,382 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:09:25,382 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:09:25,382 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:09:25,383 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:09:25,383 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:09:20" (3/4) ... [2018-11-18 12:09:25,386 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:09:25,391 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 12:09:25,391 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 12:09:25,391 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 12:09:25,391 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 12:09:25,391 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 12:09:25,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-18 12:09:25,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:09:25,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 12:09:25,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 12:09:25,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:09:25,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 12:09:25,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 12:09:25,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 12:09:25,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 12:09:25,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 12:09:25,393 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 12:09:25,393 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 12:09:25,393 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 12:09:25,393 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 12:09:25,393 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 12:09:25,393 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 12:09:25,393 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 12:09:25,403 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-11-18 12:09:25,404 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 12:09:25,404 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 12:09:25,429 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 2 && pumpRunning == 0) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((waterLevel == 1 && pumpRunning == 0) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-18 12:09:25,429 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-18 12:09:25,460 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c2b07e14-7572-4b2d-9e16-41ed5fdf571a/bin-2019/utaipan/witness.graphml [2018-11-18 12:09:25,460 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:09:25,460 INFO L168 Benchmark]: Toolchain (without parser) took 6028.02 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 325.6 MB). Free memory was 956.6 MB in the beginning and 849.6 MB in the end (delta: 107.0 MB). Peak memory consumption was 432.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:09:25,461 INFO L168 Benchmark]: CDTParser took 0.16 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 12:09:25,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:09:25,462 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:09:25,462 INFO L168 Benchmark]: Boogie Preprocessor took 24.35 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:09:25,462 INFO L168 Benchmark]: RCFGBuilder took 446.81 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: 60.7 MB). Peak memory consumption was 60.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:09:25,462 INFO L168 Benchmark]: TraceAbstraction took 5107.71 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 181.9 MB). Free memory was 1.1 GB in the beginning and 857.2 MB in the end (delta: 209.3 MB). Peak memory consumption was 391.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:09:25,463 INFO L168 Benchmark]: Witness Printer took 77.47 ms. Allocated memory is still 1.4 GB. Free memory was 857.2 MB in the beginning and 849.6 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:09:25,464 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 344.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.35 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 446.81 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: 60.7 MB). Peak memory consumption was 60.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5107.71 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 181.9 MB). Free memory was 1.1 GB in the beginning and 857.2 MB in the end (delta: 209.3 MB). Peak memory consumption was 391.2 MB. Max. memory is 11.5 GB. * Witness Printer took 77.47 ms. Allocated memory is still 1.4 GB. Free memory was 857.2 MB in the beginning and 849.6 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 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: 530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: (((((waterLevel == 2 && pumpRunning == 0) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((waterLevel == 1 && pumpRunning == 0) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 117 locations, 1 error locations. SAFE Result, 5.0s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 636 SDtfs, 444 SDslu, 1686 SDs, 0 SdLazy, 556 SolverSat, 95 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 145 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=210occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.5s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9970230871395924 AbsIntWeakeningRatio, 0.9494949494949495 AbsIntAvgWeakeningVarsNumRemoved, 94.21212121212122 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 279 PreInvPairs, 292 NumberOfFragments, 728 HoareAnnotationTreeSize, 279 FomulaSimplifications, 139 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 49 FomulaSimplificationsInter, 680 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 370 NumberOfCodeBlocks, 370 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 364 ConstructedInterpolants, 0 QuantifiedInterpolants, 49062 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 28/32 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...