./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product08_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cfe3f701-2a81-47f9-9b36-38cfc808ae0a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cfe3f701-2a81-47f9-9b36-38cfc808ae0a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cfe3f701-2a81-47f9-9b36-38cfc808ae0a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cfe3f701-2a81-47f9-9b36-38cfc808ae0a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product08_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cfe3f701-2a81-47f9-9b36-38cfc808ae0a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cfe3f701-2a81-47f9-9b36-38cfc808ae0a/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 2898c1a8e6ddf29823b493aba00c6d729c0a21bb ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 01:37:37,857 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:37:37,859 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:37:37,865 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:37:37,865 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:37:37,866 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:37:37,867 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:37:37,868 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:37:37,869 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:37:37,870 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:37:37,871 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:37:37,871 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:37:37,872 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:37:37,872 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:37:37,873 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:37:37,874 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:37:37,875 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:37:37,876 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:37:37,877 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:37:37,879 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:37:37,879 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:37:37,880 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:37:37,882 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:37:37,882 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:37:37,883 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:37:37,883 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:37:37,884 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:37:37,884 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:37:37,885 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:37:37,886 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:37:37,886 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:37:37,887 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:37:37,887 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:37:37,887 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:37:37,888 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:37:37,889 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:37:37,889 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cfe3f701-2a81-47f9-9b36-38cfc808ae0a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 01:37:37,899 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:37:37,900 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:37:37,900 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:37:37,900 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:37:37,901 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 01:37:37,901 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 01:37:37,901 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 01:37:37,901 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 01:37:37,901 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 01:37:37,901 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 01:37:37,901 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 01:37:37,902 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 01:37:37,902 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 01:37:37,902 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:37:37,902 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:37:37,903 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:37:37,903 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:37:37,903 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:37:37,903 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:37:37,903 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:37:37,903 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:37:37,903 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:37:37,904 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:37:37,904 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:37:37,904 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:37:37,904 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:37:37,904 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:37:37,904 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:37:37,904 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:37:37,905 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:37:37,905 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:37:37,905 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:37:37,905 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:37:37,905 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 01:37:37,905 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:37:37,905 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:37:37,906 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 01:37:37,906 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_cfe3f701-2a81-47f9-9b36-38cfc808ae0a/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 -> 2898c1a8e6ddf29823b493aba00c6d729c0a21bb [2018-11-23 01:37:37,933 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:37:37,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:37:37,945 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:37:37,946 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:37:37,946 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:37:37,946 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cfe3f701-2a81-47f9-9b36-38cfc808ae0a/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product08_true-unreach-call_false-termination.cil.c [2018-11-23 01:37:37,978 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cfe3f701-2a81-47f9-9b36-38cfc808ae0a/bin-2019/utaipan/data/56edc588d/b7c25064cf5c4f4aace86aefc0df7951/FLAG368007f49 [2018-11-23 01:37:38,395 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:37:38,395 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cfe3f701-2a81-47f9-9b36-38cfc808ae0a/sv-benchmarks/c/product-lines/minepump_spec5_product08_true-unreach-call_false-termination.cil.c [2018-11-23 01:37:38,402 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cfe3f701-2a81-47f9-9b36-38cfc808ae0a/bin-2019/utaipan/data/56edc588d/b7c25064cf5c4f4aace86aefc0df7951/FLAG368007f49 [2018-11-23 01:37:38,410 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cfe3f701-2a81-47f9-9b36-38cfc808ae0a/bin-2019/utaipan/data/56edc588d/b7c25064cf5c4f4aace86aefc0df7951 [2018-11-23 01:37:38,412 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:37:38,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:37:38,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:37:38,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:37:38,416 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:37:38,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:37:38" (1/1) ... [2018-11-23 01:37:38,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff9ad9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:38, skipping insertion in model container [2018-11-23 01:37:38,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:37:38" (1/1) ... [2018-11-23 01:37:38,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:37:38,454 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:37:38,643 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:37:38,696 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:37:38,750 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:37:38,771 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:37:38,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:38 WrapperNode [2018-11-23 01:37:38,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:37:38,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:37:38,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:37:38,772 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:37:38,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:38" (1/1) ... [2018-11-23 01:37:38,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:38" (1/1) ... [2018-11-23 01:37:38,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:37:38,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:37:38,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:37:38,796 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:37:38,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:38" (1/1) ... [2018-11-23 01:37:38,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:38" (1/1) ... [2018-11-23 01:37:38,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:38" (1/1) ... [2018-11-23 01:37:38,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:38" (1/1) ... [2018-11-23 01:37:38,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:38" (1/1) ... [2018-11-23 01:37:38,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:38" (1/1) ... [2018-11-23 01:37:38,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:38" (1/1) ... [2018-11-23 01:37:38,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:37:38,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:37:38,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:37:38,819 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:37:38,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cfe3f701-2a81-47f9-9b36-38cfc808ae0a/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 [2018-11-23 01:37:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 01:37:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 01:37:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 01:37:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 01:37:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 01:37:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 01:37:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 01:37:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 01:37:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 01:37:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 01:37:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 01:37:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 01:37:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 01:37:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 01:37:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 01:37:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 01:37:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 01:37:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 01:37:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 01:37:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 01:37:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 01:37:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 01:37:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 01:37:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 01:37:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 01:37:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 01:37:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 01:37:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 01:37:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 01:37:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 01:37:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 01:37:38,859 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 01:37:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 01:37:38,859 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-23 01:37:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-23 01:37:38,859 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-23 01:37:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-23 01:37:38,859 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-23 01:37:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-23 01:37:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 01:37:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 01:37:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 01:37:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 01:37:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 01:37:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 01:37:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 01:37:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 01:37:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 01:37:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 01:37:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 01:37:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 01:37:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 01:37:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 01:37:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 01:37:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:37:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:37:39,276 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:37:39,276 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 01:37:39,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:39 BoogieIcfgContainer [2018-11-23 01:37:39,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:37:39,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 01:37:39,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 01:37:39,281 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 01:37:39,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:37:38" (1/3) ... [2018-11-23 01:37:39,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3672065a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:37:39, skipping insertion in model container [2018-11-23 01:37:39,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:38" (2/3) ... [2018-11-23 01:37:39,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3672065a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:37:39, skipping insertion in model container [2018-11-23 01:37:39,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:39" (3/3) ... [2018-11-23 01:37:39,285 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product08_true-unreach-call_false-termination.cil.c [2018-11-23 01:37:39,291 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 01:37:39,296 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 01:37:39,306 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 01:37:39,328 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 01:37:39,328 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 01:37:39,328 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 01:37:39,328 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:37:39,328 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:37:39,328 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 01:37:39,328 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:37:39,328 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 01:37:39,343 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-11-23 01:37:39,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 01:37:39,349 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:37:39,350 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:37:39,352 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:37:39,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:37:39,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1699251987, now seen corresponding path program 1 times [2018-11-23 01:37:39,357 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:37:39,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:37:39,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:37:39,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:37:39,386 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:37:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:39,539 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:37:39,540 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:37:39,540 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 01:37:39,540 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:37:39,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 01:37:39,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 01:37:39,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 01:37:39,553 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2018-11-23 01:37:39,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:37:39,580 INFO L93 Difference]: Finished difference Result 240 states and 297 transitions. [2018-11-23 01:37:39,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 01:37:39,581 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-23 01:37:39,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:37:39,590 INFO L225 Difference]: With dead ends: 240 [2018-11-23 01:37:39,590 INFO L226 Difference]: Without dead ends: 122 [2018-11-23 01:37:39,592 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 01:37:39,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-11-23 01:37:39,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2018-11-23 01:37:39,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-11-23 01:37:39,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 142 transitions. [2018-11-23 01:37:39,628 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 142 transitions. Word has length 59 [2018-11-23 01:37:39,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:37:39,629 INFO L480 AbstractCegarLoop]: Abstraction has 122 states and 142 transitions. [2018-11-23 01:37:39,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 01:37:39,629 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 142 transitions. [2018-11-23 01:37:39,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 01:37:39,632 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:37:39,632 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:37:39,632 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:37:39,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:37:39,633 INFO L82 PathProgramCache]: Analyzing trace with hash -615478923, now seen corresponding path program 1 times [2018-11-23 01:37:39,633 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:37:39,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:37:39,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:37:39,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:37:39,634 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:37:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:39,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:37:39,710 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:37:39,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:37:39,710 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:37:39,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:37:39,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:37:39,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:37:39,712 INFO L87 Difference]: Start difference. First operand 122 states and 142 transitions. Second operand 3 states. [2018-11-23 01:37:39,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:37:39,736 INFO L93 Difference]: Finished difference Result 179 states and 207 transitions. [2018-11-23 01:37:39,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:37:39,737 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-23 01:37:39,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:37:39,738 INFO L225 Difference]: With dead ends: 179 [2018-11-23 01:37:39,738 INFO L226 Difference]: Without dead ends: 113 [2018-11-23 01:37:39,739 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:37:39,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-11-23 01:37:39,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-11-23 01:37:39,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-11-23 01:37:39,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2018-11-23 01:37:39,749 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 60 [2018-11-23 01:37:39,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:37:39,750 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 130 transitions. [2018-11-23 01:37:39,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:37:39,750 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2018-11-23 01:37:39,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 01:37:39,751 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:37:39,751 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:37:39,751 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:37:39,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:37:39,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1657698999, now seen corresponding path program 1 times [2018-11-23 01:37:39,752 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:37:39,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:37:39,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:37:39,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:37:39,753 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:37:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:39,866 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:37:39,866 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:37:39,866 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 01:37:39,866 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:37:39,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 01:37:39,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 01:37:39,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:37:39,867 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand 7 states. [2018-11-23 01:37:40,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:37:40,234 INFO L93 Difference]: Finished difference Result 339 states and 410 transitions. [2018-11-23 01:37:40,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:37:40,234 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-23 01:37:40,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:37:40,237 INFO L225 Difference]: With dead ends: 339 [2018-11-23 01:37:40,237 INFO L226 Difference]: Without dead ends: 254 [2018-11-23 01:37:40,238 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 01:37:40,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-11-23 01:37:40,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 242. [2018-11-23 01:37:40,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2018-11-23 01:37:40,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 292 transitions. [2018-11-23 01:37:40,264 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 292 transitions. Word has length 65 [2018-11-23 01:37:40,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:37:40,264 INFO L480 AbstractCegarLoop]: Abstraction has 242 states and 292 transitions. [2018-11-23 01:37:40,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 01:37:40,264 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 292 transitions. [2018-11-23 01:37:40,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 01:37:40,266 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:37:40,267 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:37:40,267 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:37:40,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:37:40,267 INFO L82 PathProgramCache]: Analyzing trace with hash 568879339, now seen corresponding path program 1 times [2018-11-23 01:37:40,267 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:37:40,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:37:40,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:37:40,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:37:40,269 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:37:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:40,374 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 01:37:40,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:37:40,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 01:37:40,374 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:37:40,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 01:37:40,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 01:37:40,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:37:40,376 INFO L87 Difference]: Start difference. First operand 242 states and 292 transitions. Second operand 7 states. [2018-11-23 01:37:40,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:37:40,634 INFO L93 Difference]: Finished difference Result 406 states and 507 transitions. [2018-11-23 01:37:40,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 01:37:40,636 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-11-23 01:37:40,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:37:40,636 INFO L225 Difference]: With dead ends: 406 [2018-11-23 01:37:40,637 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 01:37:40,638 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-23 01:37:40,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 01:37:40,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 01:37:40,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 01:37:40,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 01:37:40,639 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2018-11-23 01:37:40,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:37:40,640 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 01:37:40,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 01:37:40,640 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 01:37:40,640 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 01:37:40,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 01:37:41,074 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 402 408) the Hoare annotation is: true [2018-11-23 01:37:41,075 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 402 408) no Hoare annotation was computed. [2018-11-23 01:37:41,075 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 409 417) no Hoare annotation was computed. [2018-11-23 01:37:41,075 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 409 417) the Hoare annotation is: true [2018-11-23 01:37:41,075 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 409 417) no Hoare annotation was computed. [2018-11-23 01:37:41,075 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 422 429) the Hoare annotation is: true [2018-11-23 01:37:41,075 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 422 429) no Hoare annotation was computed. [2018-11-23 01:37:41,075 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 422 429) no Hoare annotation was computed. [2018-11-23 01:37:41,075 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 430 439) the Hoare annotation is: true [2018-11-23 01:37:41,075 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 430 439) no Hoare annotation was computed. [2018-11-23 01:37:41,076 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 430 439) no Hoare annotation was computed. [2018-11-23 01:37:41,076 INFO L448 ceAbstractionStarter]: For program point L435(line 435) no Hoare annotation was computed. [2018-11-23 01:37:41,076 INFO L448 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2018-11-23 01:37:41,076 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 465) no Hoare annotation was computed. [2018-11-23 01:37:41,076 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 440 468) no Hoare annotation was computed. [2018-11-23 01:37:41,076 INFO L451 ceAbstractionStarter]: At program point L446(line 446) the Hoare annotation is: true [2018-11-23 01:37:41,076 INFO L448 ceAbstractionStarter]: For program point L446-1(line 446) no Hoare annotation was computed. [2018-11-23 01:37:41,076 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 440 468) the Hoare annotation is: true [2018-11-23 01:37:41,076 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 440 468) no Hoare annotation was computed. [2018-11-23 01:37:41,076 INFO L444 ceAbstractionStarter]: At program point L455(line 455) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-23 01:37:41,077 INFO L448 ceAbstractionStarter]: For program point L453(lines 453 459) no Hoare annotation was computed. [2018-11-23 01:37:41,077 INFO L448 ceAbstractionStarter]: For program point L452(lines 452 462) no Hoare annotation was computed. [2018-11-23 01:37:41,079 INFO L451 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: true [2018-11-23 01:37:41,079 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 360 382) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 01:37:41,079 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 360 382) no Hoare annotation was computed. [2018-11-23 01:37:41,080 INFO L444 ceAbstractionStarter]: At program point L372(line 372) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~2 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))) [2018-11-23 01:37:41,080 INFO L444 ceAbstractionStarter]: At program point L372-1(line 372) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~2 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))) [2018-11-23 01:37:41,080 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 377) no Hoare annotation was computed. [2018-11-23 01:37:41,080 INFO L448 ceAbstractionStarter]: For program point L370-1(lines 370 377) no Hoare annotation was computed. [2018-11-23 01:37:41,080 INFO L448 ceAbstractionStarter]: For program point L368(line 368) no Hoare annotation was computed. [2018-11-23 01:37:41,080 INFO L444 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 01:37:41,080 INFO L444 ceAbstractionStarter]: At program point L366(line 366) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 01:37:41,080 INFO L444 ceAbstractionStarter]: At program point L366-1(line 366) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 01:37:41,080 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 360 382) no Hoare annotation was computed. [2018-11-23 01:37:41,080 INFO L444 ceAbstractionStarter]: At program point L193(line 193) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-23 01:37:41,081 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 187 201) no Hoare annotation was computed. [2018-11-23 01:37:41,081 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 197) no Hoare annotation was computed. [2018-11-23 01:37:41,081 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 187 201) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= 0 ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-23 01:37:41,081 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 187 201) no Hoare annotation was computed. [2018-11-23 01:37:41,081 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 142 150) no Hoare annotation was computed. [2018-11-23 01:37:41,081 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 142 150) the Hoare annotation is: true [2018-11-23 01:37:41,081 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 142 150) no Hoare annotation was computed. [2018-11-23 01:37:41,081 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 395 401) no Hoare annotation was computed. [2018-11-23 01:37:41,081 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 395 401) the Hoare annotation is: true [2018-11-23 01:37:41,081 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 346 356) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 01:37:41,082 INFO L444 ceAbstractionStarter]: At program point L351(line 351) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 01:37:41,082 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 346 356) no Hoare annotation was computed. [2018-11-23 01:37:41,082 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 346 356) no Hoare annotation was computed. [2018-11-23 01:37:41,082 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 131 141) the Hoare annotation is: true [2018-11-23 01:37:41,082 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 131 141) no Hoare annotation was computed. [2018-11-23 01:37:41,082 INFO L451 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: true [2018-11-23 01:37:41,082 INFO L448 ceAbstractionStarter]: For program point L136-1(line 136) no Hoare annotation was computed. [2018-11-23 01:37:41,082 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 131 141) no Hoare annotation was computed. [2018-11-23 01:37:41,082 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 123 130) the Hoare annotation is: true [2018-11-23 01:37:41,082 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 123 130) no Hoare annotation was computed. [2018-11-23 01:37:41,082 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 123 130) no Hoare annotation was computed. [2018-11-23 01:37:41,082 INFO L444 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 01:37:41,083 INFO L448 ceAbstractionStarter]: For program point L96-1(line 96) no Hoare annotation was computed. [2018-11-23 01:37:41,083 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 111) no Hoare annotation was computed. [2018-11-23 01:37:41,083 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 90 114) no Hoare annotation was computed. [2018-11-23 01:37:41,083 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 90 114) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-23 01:37:41,083 INFO L444 ceAbstractionStarter]: At program point L109(line 109) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-23 01:37:41,083 INFO L448 ceAbstractionStarter]: For program point L109-1(lines 90 114) no Hoare annotation was computed. [2018-11-23 01:37:41,083 INFO L444 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 01:37:41,083 INFO L444 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 01:37:41,083 INFO L448 ceAbstractionStarter]: For program point L98(lines 98 106) no Hoare annotation was computed. [2018-11-23 01:37:41,084 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 82 88) no Hoare annotation was computed. [2018-11-23 01:37:41,084 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 82 88) the Hoare annotation is: true [2018-11-23 01:37:41,084 INFO L448 ceAbstractionStarter]: For program point L225(lines 224 273) no Hoare annotation was computed. [2018-11-23 01:37:41,084 INFO L444 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 01:37:41,084 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 214 281) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 01:37:41,084 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 269) no Hoare annotation was computed. [2018-11-23 01:37:41,084 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 214 281) no Hoare annotation was computed. [2018-11-23 01:37:41,084 INFO L444 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 01:37:41,084 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 250) no Hoare annotation was computed. [2018-11-23 01:37:41,085 INFO L448 ceAbstractionStarter]: For program point L244-1(lines 244 250) no Hoare annotation was computed. [2018-11-23 01:37:41,085 INFO L444 ceAbstractionStarter]: At program point L271(lines 224 273) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 01:37:41,085 INFO L444 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 01:37:41,085 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 240) no Hoare annotation was computed. [2018-11-23 01:37:41,085 INFO L448 ceAbstractionStarter]: For program point L234-1(lines 234 240) no Hoare annotation was computed. [2018-11-23 01:37:41,085 INFO L448 ceAbstractionStarter]: For program point L226(lines 226 230) no Hoare annotation was computed. [2018-11-23 01:37:41,085 INFO L444 ceAbstractionStarter]: At program point L274(lines 223 275) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 01:37:41,085 INFO L444 ceAbstractionStarter]: At program point L264(line 264) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 01:37:41,085 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 268) no Hoare annotation was computed. [2018-11-23 01:37:41,085 INFO L444 ceAbstractionStarter]: At program point L262-1(lines 254 269) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 01:37:41,086 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 214 281) no Hoare annotation was computed. [2018-11-23 01:37:41,086 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 01:37:41,086 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-23 01:37:41,086 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:37:41,086 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 915 923) the Hoare annotation is: true [2018-11-23 01:37:41,086 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 915 923) no Hoare annotation was computed. [2018-11-23 01:37:41,086 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 915 923) no Hoare annotation was computed. [2018-11-23 01:37:41,086 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 871 882) the Hoare annotation is: true [2018-11-23 01:37:41,086 INFO L448 ceAbstractionStarter]: For program point L875-1(lines 871 882) no Hoare annotation was computed. [2018-11-23 01:37:41,086 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 871 882) no Hoare annotation was computed. [2018-11-23 01:37:41,086 INFO L448 ceAbstractionStarter]: For program point L290-1(line 290) no Hoare annotation was computed. [2018-11-23 01:37:41,086 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 284 313) no Hoare annotation was computed. [2018-11-23 01:37:41,087 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 284 313) the Hoare annotation is: true [2018-11-23 01:37:41,087 INFO L451 ceAbstractionStarter]: At program point L309(lines 284 313) the Hoare annotation is: true [2018-11-23 01:37:41,087 INFO L448 ceAbstractionStarter]: For program point L305(line 305) no Hoare annotation was computed. [2018-11-23 01:37:41,087 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 302) no Hoare annotation was computed. [2018-11-23 01:37:41,087 INFO L451 ceAbstractionStarter]: At program point L298-1(lines 298 302) the Hoare annotation is: true [2018-11-23 01:37:41,087 INFO L448 ceAbstractionStarter]: For program point L295(line 295) no Hoare annotation was computed. [2018-11-23 01:37:41,087 INFO L451 ceAbstractionStarter]: At program point L294-2(lines 294 308) the Hoare annotation is: true [2018-11-23 01:37:41,087 INFO L451 ceAbstractionStarter]: At program point L290(line 290) the Hoare annotation is: true [2018-11-23 01:37:41,087 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 883 891) the Hoare annotation is: true [2018-11-23 01:37:41,087 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 883 891) no Hoare annotation was computed. [2018-11-23 01:37:41,087 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 883 891) no Hoare annotation was computed. [2018-11-23 01:37:41,088 INFO L444 ceAbstractionStarter]: At program point L64(line 64) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-23 01:37:41,088 INFO L448 ceAbstractionStarter]: For program point L62(lines 58 80) no Hoare annotation was computed. [2018-11-23 01:37:41,088 INFO L448 ceAbstractionStarter]: For program point L60(lines 58 80) no Hoare annotation was computed. [2018-11-23 01:37:41,088 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 81) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-23 01:37:41,088 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 81) no Hoare annotation was computed. [2018-11-23 01:37:41,088 INFO L444 ceAbstractionStarter]: At program point L71(line 71) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-23 01:37:41,088 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 81) no Hoare annotation was computed. [2018-11-23 01:37:41,088 INFO L444 ceAbstractionStarter]: At program point L69(lines 69 75) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-23 01:37:41,088 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 847 858) the Hoare annotation is: true [2018-11-23 01:37:41,088 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 847 858) no Hoare annotation was computed. [2018-11-23 01:37:41,088 INFO L448 ceAbstractionStarter]: For program point L851-1(lines 847 858) no Hoare annotation was computed. [2018-11-23 01:37:41,089 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 338 344) no Hoare annotation was computed. [2018-11-23 01:37:41,089 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 338 344) the Hoare annotation is: true [2018-11-23 01:37:41,089 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:37:41,089 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-23 01:37:41,089 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 01:37:41,089 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 01:37:41,089 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 202 209) no Hoare annotation was computed. [2018-11-23 01:37:41,089 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 202 209) the Hoare annotation is: true [2018-11-23 01:37:41,089 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 202 209) no Hoare annotation was computed. [2018-11-23 01:37:41,089 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 859 870) no Hoare annotation was computed. [2018-11-23 01:37:41,089 INFO L448 ceAbstractionStarter]: For program point L863-1(lines 859 870) no Hoare annotation was computed. [2018-11-23 01:37:41,090 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 859 870) the Hoare annotation is: true [2018-11-23 01:37:41,090 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 840) no Hoare annotation was computed. [2018-11-23 01:37:41,090 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 836 843) no Hoare annotation was computed. [2018-11-23 01:37:41,090 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 836 843) the Hoare annotation is: true [2018-11-23 01:37:41,090 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 836 843) no Hoare annotation was computed. [2018-11-23 01:37:41,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:37:41 BoogieIcfgContainer [2018-11-23 01:37:41,101 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 01:37:41,101 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:37:41,101 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:37:41,101 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:37:41,102 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:39" (3/4) ... [2018-11-23 01:37:41,104 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 01:37:41,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 01:37:41,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 01:37:41,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-23 01:37:41,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-23 01:37:41,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-23 01:37:41,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 01:37:41,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 01:37:41,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 01:37:41,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 01:37:41,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 01:37:41,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 01:37:41,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 01:37:41,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 01:37:41,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 01:37:41,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 01:37:41,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 01:37:41,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 01:37:41,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 01:37:41,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 01:37:41,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 01:37:41,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 01:37:41,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 01:37:41,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 01:37:41,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 01:37:41,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 01:37:41,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 01:37:41,120 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-11-23 01:37:41,120 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 01:37:41,121 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 01:37:41,121 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 01:37:41,121 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 01:37:41,121 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:37:41,122 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:37:41,143 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) [2018-11-23 01:37:41,143 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-11-23 01:37:41,174 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cfe3f701-2a81-47f9-9b36-38cfc808ae0a/bin-2019/utaipan/witness.graphml [2018-11-23 01:37:41,174 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:37:41,175 INFO L168 Benchmark]: Toolchain (without parser) took 2762.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 956.5 MB in the beginning and 987.0 MB in the end (delta: -30.5 MB). Peak memory consumption was 79.1 MB. Max. memory is 11.5 GB. [2018-11-23 01:37:41,176 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:37:41,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -144.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-11-23 01:37:41,176 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:37:41,176 INFO L168 Benchmark]: Boogie Preprocessor took 22.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:37:41,176 INFO L168 Benchmark]: RCFGBuilder took 457.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2018-11-23 01:37:41,176 INFO L168 Benchmark]: TraceAbstraction took 1823.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 994.0 MB in the end (delta: 48.8 MB). Peak memory consumption was 206.3 MB. Max. memory is 11.5 GB. [2018-11-23 01:37:41,177 INFO L168 Benchmark]: Witness Printer took 73.13 ms. Allocated memory is still 1.1 GB. Free memory was 994.0 MB in the beginning and 987.0 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-23 01:37:41,178 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 357.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -144.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 457.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1823.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 994.0 MB in the end (delta: 48.8 MB). Peak memory consumption was 206.3 MB. Max. memory is 11.5 GB. * Witness Printer took 73.13 ms. Allocated memory is still 1.1 GB. Free memory was 994.0 MB in the beginning and 987.0 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 840]: 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: 223]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 135 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 533 SDtfs, 304 SDslu, 809 SDs, 0 SdLazy, 397 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=242occurred in iteration=3, 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, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 272 PreInvPairs, 296 NumberOfFragments, 412 HoareAnnotationTreeSize, 272 FomulaSimplifications, 168 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 57 FomulaSimplificationsInter, 870 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 26598 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...