./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product32_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_22f48000-c9f0-4791-a6fe-899160db2f69/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_22f48000-c9f0-4791-a6fe-899160db2f69/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_22f48000-c9f0-4791-a6fe-899160db2f69/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_22f48000-c9f0-4791-a6fe-899160db2f69/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product32_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_22f48000-c9f0-4791-a6fe-899160db2f69/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_22f48000-c9f0-4791-a6fe-899160db2f69/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 bb510668f2dd04ac28a032bdee29cf8f22a1b5a1 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 10:47:41,093 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:47:41,094 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:47:41,102 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:47:41,102 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:47:41,102 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:47:41,103 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:47:41,104 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:47:41,105 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:47:41,106 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:47:41,106 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:47:41,106 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:47:41,107 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:47:41,108 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:47:41,108 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:47:41,109 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:47:41,109 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:47:41,111 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:47:41,112 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:47:41,113 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:47:41,114 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:47:41,114 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:47:41,116 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:47:41,116 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:47:41,116 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:47:41,117 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:47:41,118 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:47:41,118 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:47:41,119 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:47:41,119 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:47:41,120 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:47:41,120 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:47:41,120 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:47:41,120 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:47:41,121 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:47:41,121 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:47:41,122 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_22f48000-c9f0-4791-a6fe-899160db2f69/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 10:47:41,131 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:47:41,131 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:47:41,131 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:47:41,132 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:47:41,132 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:47:41,132 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:47:41,132 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:47:41,132 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 10:47:41,132 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:47:41,133 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:47:41,133 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 10:47:41,133 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 10:47:41,133 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:47:41,134 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:47:41,134 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:47:41,134 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:47:41,134 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:47:41,134 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:47:41,134 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:47:41,134 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:47:41,135 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:47:41,135 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:47:41,135 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:47:41,135 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:47:41,135 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:47:41,135 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:47:41,136 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:47:41,136 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:47:41,136 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:47:41,136 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:47:41,136 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:47:41,136 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:47:41,136 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:47:41,137 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 10:47:41,137 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:47:41,137 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:47:41,137 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 10:47:41,137 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_22f48000-c9f0-4791-a6fe-899160db2f69/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 -> bb510668f2dd04ac28a032bdee29cf8f22a1b5a1 [2018-11-18 10:47:41,161 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:47:41,170 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:47:41,173 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:47:41,174 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:47:41,174 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:47:41,175 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_22f48000-c9f0-4791-a6fe-899160db2f69/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product32_true-unreach-call_false-termination.cil.c [2018-11-18 10:47:41,209 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22f48000-c9f0-4791-a6fe-899160db2f69/bin-2019/utaipan/data/9ff50a7e8/67eee6fd38754d10995a546acb7095d3/FLAG8d0897600 [2018-11-18 10:47:41,546 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:47:41,546 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_22f48000-c9f0-4791-a6fe-899160db2f69/sv-benchmarks/c/product-lines/minepump_spec4_product32_true-unreach-call_false-termination.cil.c [2018-11-18 10:47:41,555 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22f48000-c9f0-4791-a6fe-899160db2f69/bin-2019/utaipan/data/9ff50a7e8/67eee6fd38754d10995a546acb7095d3/FLAG8d0897600 [2018-11-18 10:47:41,565 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_22f48000-c9f0-4791-a6fe-899160db2f69/bin-2019/utaipan/data/9ff50a7e8/67eee6fd38754d10995a546acb7095d3 [2018-11-18 10:47:41,567 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:47:41,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:47:41,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:47:41,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:47:41,570 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:47:41,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:47:41" (1/1) ... [2018-11-18 10:47:41,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:41, skipping insertion in model container [2018-11-18 10:47:41,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:47:41" (1/1) ... [2018-11-18 10:47:41,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:47:41,611 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:47:41,799 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:47:41,807 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:47:41,918 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:47:41,939 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:47:41,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:41 WrapperNode [2018-11-18 10:47:41,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:47:41,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:47:41,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:47:41,940 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:47:41,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:41" (1/1) ... [2018-11-18 10:47:41,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:41" (1/1) ... [2018-11-18 10:47:41,970 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:47:41,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:47:41,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:47:41,971 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:47:41,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:41" (1/1) ... [2018-11-18 10:47:41,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:41" (1/1) ... [2018-11-18 10:47:41,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:41" (1/1) ... [2018-11-18 10:47:41,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:41" (1/1) ... [2018-11-18 10:47:41,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:41" (1/1) ... [2018-11-18 10:47:41,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:41" (1/1) ... [2018-11-18 10:47:42,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:41" (1/1) ... [2018-11-18 10:47:42,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:47:42,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:47:42,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:47:42,003 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:47:42,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22f48000-c9f0-4791-a6fe-899160db2f69/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 10:47:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 10:47:42,043 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 10:47:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-18 10:47:42,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-18 10:47:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:47:42,044 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:47:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 10:47:42,044 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 10:47:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 10:47:42,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 10:47:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:47:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 10:47:42,044 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 10:47:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 10:47:42,045 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 10:47:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 10:47:42,045 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 10:47:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 10:47:42,045 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 10:47:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 10:47:42,045 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 10:47:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 10:47:42,045 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 10:47:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 10:47:42,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 10:47:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 10:47:42,046 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 10:47:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 10:47:42,046 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 10:47:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 10:47:42,046 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 10:47:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 10:47:42,046 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 10:47:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 10:47:42,047 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 10:47:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 10:47:42,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 10:47:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 10:47:42,047 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 10:47:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 10:47:42,047 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 10:47:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 10:47:42,048 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 10:47:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 10:47:42,048 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 10:47:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 10:47:42,048 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 10:47:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 10:47:42,048 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 10:47:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:47:42,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:47:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 10:47:42,049 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 10:47:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 10:47:42,049 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 10:47:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:47:42,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:47:42,460 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:47:42,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:47:42 BoogieIcfgContainer [2018-11-18 10:47:42,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:47:42,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:47:42,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:47:42,464 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:47:42,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:47:41" (1/3) ... [2018-11-18 10:47:42,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ec43925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:47:42, skipping insertion in model container [2018-11-18 10:47:42,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:41" (2/3) ... [2018-11-18 10:47:42,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ec43925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:47:42, skipping insertion in model container [2018-11-18 10:47:42,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:47:42" (3/3) ... [2018-11-18 10:47:42,467 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product32_true-unreach-call_false-termination.cil.c [2018-11-18 10:47:42,473 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:47:42,478 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:47:42,488 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:47:42,511 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:47:42,511 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:47:42,511 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:47:42,511 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:47:42,511 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:47:42,512 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:47:42,512 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:47:42,512 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:47:42,526 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2018-11-18 10:47:42,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 10:47:42,533 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:47:42,533 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 10:47:42,535 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:47:42,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:47:42,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1965884114, now seen corresponding path program 1 times [2018-11-18 10:47:42,541 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:47:42,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:42,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:47:42,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:42,570 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:47:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:47:42,732 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 10:47:42,733 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:47:42,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 10:47:42,734 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:47:42,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 10:47:42,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 10:47:42,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:47:42,746 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2018-11-18 10:47:42,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:47:42,775 INFO L93 Difference]: Finished difference Result 268 states and 331 transitions. [2018-11-18 10:47:42,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 10:47:42,776 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 10:47:42,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:47:42,786 INFO L225 Difference]: With dead ends: 268 [2018-11-18 10:47:42,786 INFO L226 Difference]: Without dead ends: 134 [2018-11-18 10:47:42,789 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 10:47:42,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-18 10:47:42,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-11-18 10:47:42,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-18 10:47:42,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 157 transitions. [2018-11-18 10:47:42,827 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 157 transitions. Word has length 46 [2018-11-18 10:47:42,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:47:42,828 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 157 transitions. [2018-11-18 10:47:42,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 10:47:42,828 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 157 transitions. [2018-11-18 10:47:42,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 10:47:42,830 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:47:42,830 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 10:47:42,831 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:47:42,831 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:47:42,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1542844186, now seen corresponding path program 1 times [2018-11-18 10:47:42,831 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:47:42,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:42,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:47:42,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:42,832 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:47:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:47:42,909 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 10:47:42,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:47:42,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:47:42,910 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:47:42,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:47:42,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:47:42,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:47:42,912 INFO L87 Difference]: Start difference. First operand 134 states and 157 transitions. Second operand 3 states. [2018-11-18 10:47:42,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:47:42,929 INFO L93 Difference]: Finished difference Result 205 states and 239 transitions. [2018-11-18 10:47:42,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:47:42,930 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 10:47:42,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:47:42,931 INFO L225 Difference]: With dead ends: 205 [2018-11-18 10:47:42,932 INFO L226 Difference]: Without dead ends: 124 [2018-11-18 10:47:42,933 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 10:47:42,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-11-18 10:47:42,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-11-18 10:47:42,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-11-18 10:47:42,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2018-11-18 10:47:42,943 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 48 [2018-11-18 10:47:42,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:47:42,943 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2018-11-18 10:47:42,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:47:42,943 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2018-11-18 10:47:42,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 10:47:42,944 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:47:42,945 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] [2018-11-18 10:47:42,945 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:47:42,945 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:47:42,945 INFO L82 PathProgramCache]: Analyzing trace with hash 635179501, now seen corresponding path program 1 times [2018-11-18 10:47:42,945 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:47:42,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:42,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:47:42,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:42,946 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:47:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:47:43,079 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 10:47:43,080 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:47:43,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 10:47:43,080 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:47:43,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 10:47:43,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 10:47:43,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:47:43,081 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 7 states. [2018-11-18 10:47:43,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:47:43,486 INFO L93 Difference]: Finished difference Result 375 states and 453 transitions. [2018-11-18 10:47:43,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 10:47:43,486 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-18 10:47:43,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:47:43,489 INFO L225 Difference]: With dead ends: 375 [2018-11-18 10:47:43,489 INFO L226 Difference]: Without dead ends: 275 [2018-11-18 10:47:43,490 INFO L604 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 [2018-11-18 10:47:43,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2018-11-18 10:47:43,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 263. [2018-11-18 10:47:43,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2018-11-18 10:47:43,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 317 transitions. [2018-11-18 10:47:43,516 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 317 transitions. Word has length 53 [2018-11-18 10:47:43,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:47:43,516 INFO L480 AbstractCegarLoop]: Abstraction has 263 states and 317 transitions. [2018-11-18 10:47:43,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 10:47:43,517 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 317 transitions. [2018-11-18 10:47:43,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 10:47:43,518 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:47:43,519 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] [2018-11-18 10:47:43,519 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:47:43,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:47:43,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1886017807, now seen corresponding path program 1 times [2018-11-18 10:47:43,519 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:47:43,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:43,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:47:43,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:43,521 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:47:43,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:47:43,677 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 10:47:43,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:47:43,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 10:47:43,678 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:47:43,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 10:47:43,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 10:47:43,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:47:43,679 INFO L87 Difference]: Start difference. First operand 263 states and 317 transitions. Second operand 10 states. [2018-11-18 10:47:44,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:47:44,096 INFO L93 Difference]: Finished difference Result 932 states and 1187 transitions. [2018-11-18 10:47:44,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 10:47:44,096 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2018-11-18 10:47:44,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:47:44,101 INFO L225 Difference]: With dead ends: 932 [2018-11-18 10:47:44,101 INFO L226 Difference]: Without dead ends: 693 [2018-11-18 10:47:44,103 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 10:47:44,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2018-11-18 10:47:44,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 681. [2018-11-18 10:47:44,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 681 states. [2018-11-18 10:47:44,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 841 transitions. [2018-11-18 10:47:44,149 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 841 transitions. Word has length 58 [2018-11-18 10:47:44,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:47:44,150 INFO L480 AbstractCegarLoop]: Abstraction has 681 states and 841 transitions. [2018-11-18 10:47:44,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 10:47:44,150 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 841 transitions. [2018-11-18 10:47:44,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 10:47:44,153 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:47:44,153 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] [2018-11-18 10:47:44,153 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:47:44,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:47:44,153 INFO L82 PathProgramCache]: Analyzing trace with hash -38108619, now seen corresponding path program 1 times [2018-11-18 10:47:44,154 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:47:44,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:44,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:47:44,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:44,156 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:47:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:47:44,225 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 10:47:44,225 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:47:44,225 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 10:47:44,226 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:47:44,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 10:47:44,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 10:47:44,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 10:47:44,227 INFO L87 Difference]: Start difference. First operand 681 states and 841 transitions. Second operand 4 states. [2018-11-18 10:47:44,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:47:44,351 INFO L93 Difference]: Finished difference Result 1104 states and 1402 transitions. [2018-11-18 10:47:44,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 10:47:44,352 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2018-11-18 10:47:44,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:47:44,355 INFO L225 Difference]: With dead ends: 1104 [2018-11-18 10:47:44,355 INFO L226 Difference]: Without dead ends: 447 [2018-11-18 10:47:44,357 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:47:44,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2018-11-18 10:47:44,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 435. [2018-11-18 10:47:44,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2018-11-18 10:47:44,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 497 transitions. [2018-11-18 10:47:44,384 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 497 transitions. Word has length 62 [2018-11-18 10:47:44,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:47:44,384 INFO L480 AbstractCegarLoop]: Abstraction has 435 states and 497 transitions. [2018-11-18 10:47:44,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 10:47:44,384 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 497 transitions. [2018-11-18 10:47:44,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 10:47:44,386 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:47:44,387 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:47:44,387 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:47:44,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:47:44,387 INFO L82 PathProgramCache]: Analyzing trace with hash -60224343, now seen corresponding path program 1 times [2018-11-18 10:47:44,387 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:47:44,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:44,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:47:44,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:44,388 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:47:44,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:47:44,500 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 10:47:44,500 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:47:44,501 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:47:44,501 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 92 with the following transitions: [2018-11-18 10:47:44,503 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [61], [63], [64], [65], [66], [78], [107], [111], [117], [121], [125], [128], [133], [139], [141], [147], [150], [153], [163], [164], [165], [166], [181], [188], [191], [226], [234], [238], [239], [242], [243], [244], [245], [246], [248], [249], [250], [251], [252], [253], [254], [255], [256], [270], [282], [283], [288], [289], [290], [291], [298], [299], [304], [305], [306] [2018-11-18 10:47:44,527 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:47:44,527 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:47:44,883 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 10:47:44,884 INFO L272 AbstractInterpreter]: Visited 60 different actions 72 times. Merged at 7 different actions 7 times. Never widened. Performed 2886 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2886 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 133 variables. [2018-11-18 10:47:44,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:47:44,899 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 10:47:45,155 INFO L227 lantSequenceWeakener]: Weakened 81 states. On average, predicates are now at 97.71% of their original sizes. [2018-11-18 10:47:45,155 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 10:47:45,260 INFO L415 sIntCurrentIteration]: We unified 90 AI predicates to 90 [2018-11-18 10:47:45,260 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 10:47:45,261 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:47:45,261 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [7] total 24 [2018-11-18 10:47:45,261 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:47:45,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 10:47:45,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 10:47:45,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2018-11-18 10:47:45,262 INFO L87 Difference]: Start difference. First operand 435 states and 497 transitions. Second operand 19 states. [2018-11-18 10:47:48,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:47:48,180 INFO L93 Difference]: Finished difference Result 598 states and 695 transitions. [2018-11-18 10:47:48,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-18 10:47:48,181 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 91 [2018-11-18 10:47:48,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:47:48,181 INFO L225 Difference]: With dead ends: 598 [2018-11-18 10:47:48,181 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 10:47:48,182 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 101 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=158, Invalid=712, Unknown=0, NotChecked=0, Total=870 [2018-11-18 10:47:48,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 10:47:48,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 10:47:48,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 10:47:48,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 10:47:48,183 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2018-11-18 10:47:48,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:47:48,183 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:47:48,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 10:47:48,183 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 10:47:48,183 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:47:48,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 10:47:48,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:47:48,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:47:48,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:47:48,979 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 24 [2018-11-18 10:47:49,714 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 28 [2018-11-18 10:47:49,732 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2018-11-18 10:47:49,732 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2018-11-18 10:47:49,732 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2018-11-18 10:47:49,733 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2018-11-18 10:47:49,733 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2018-11-18 10:47:49,733 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2018-11-18 10:47:49,733 INFO L421 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 10:47:49,733 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2018-11-18 10:47:49,733 INFO L421 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 10:47:49,733 INFO L425 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-11-18 10:47:49,733 INFO L425 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2018-11-18 10:47:49,733 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2018-11-18 10:47:49,733 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2018-11-18 10:47:49,733 INFO L428 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2018-11-18 10:47:49,734 INFO L425 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-11-18 10:47:49,734 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 193 215) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:47:49,734 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 193 215) no Hoare annotation was computed. [2018-11-18 10:47:49,734 INFO L421 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~1 ~systemActive~0) (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:47:49,734 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 193 215) no Hoare annotation was computed. [2018-11-18 10:47:49,734 INFO L421 ceAbstractionStarter]: At program point L205-1(line 205) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~1 ~systemActive~0) (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:47:49,734 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 10:47:49,734 INFO L425 ceAbstractionStarter]: For program point L203-1(lines 203 210) no Hoare annotation was computed. [2018-11-18 10:47:49,734 INFO L425 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-11-18 10:47:49,734 INFO L421 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:47:49,735 INFO L421 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:47:49,735 INFO L421 ceAbstractionStarter]: At program point L199-1(line 199) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:47:49,735 INFO L421 ceAbstractionStarter]: At program point L734(line 734) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 10:47:49,735 INFO L425 ceAbstractionStarter]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2018-11-18 10:47:49,735 INFO L421 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 10:47:49,735 INFO L421 ceAbstractionStarter]: At program point L725(line 725) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 10:47:49,735 INFO L425 ceAbstractionStarter]: For program point L723(lines 723 731) no Hoare annotation was computed. [2018-11-18 10:47:49,735 INFO L421 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 10:47:49,735 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 715 739) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 10:47:49,736 INFO L425 ceAbstractionStarter]: For program point L721-1(line 721) no Hoare annotation was computed. [2018-11-18 10:47:49,736 INFO L425 ceAbstractionStarter]: For program point L719(lines 719 736) no Hoare annotation was computed. [2018-11-18 10:47:49,736 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 715 739) no Hoare annotation was computed. [2018-11-18 10:47:49,736 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 874 888) no Hoare annotation was computed. [2018-11-18 10:47:49,736 INFO L421 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~waterLevel~0 2))) (or .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 10:47:49,736 INFO L425 ceAbstractionStarter]: For program point L878(lines 878 884) no Hoare annotation was computed. [2018-11-18 10:47:49,736 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 874 888) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (= ~systemActive~0 1)) (.cse4 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5) (or (not (= |old(~systemActive~0)| 0)) .cse1 (= ~systemActive~0 0) .cse3) (or .cse1 .cse5 .cse3) (or (or .cse1 .cse2) .cse0 .cse4))) [2018-11-18 10:47:49,736 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 874 888) no Hoare annotation was computed. [2018-11-18 10:47:49,736 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 810 818) no Hoare annotation was computed. [2018-11-18 10:47:49,736 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 810 818) the Hoare annotation is: true [2018-11-18 10:47:49,736 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 810 818) no Hoare annotation was computed. [2018-11-18 10:47:49,736 INFO L425 ceAbstractionStarter]: For program point L864(lines 864 868) no Hoare annotation was computed. [2018-11-18 10:47:49,737 INFO L428 ceAbstractionStarter]: At program point L862(line 862) the Hoare annotation is: true [2018-11-18 10:47:49,737 INFO L425 ceAbstractionStarter]: For program point L864-2(lines 864 868) no Hoare annotation was computed. [2018-11-18 10:47:49,737 INFO L425 ceAbstractionStarter]: For program point L862-1(line 862) no Hoare annotation was computed. [2018-11-18 10:47:49,737 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 855 873) the Hoare annotation is: true [2018-11-18 10:47:49,737 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 855 873) no Hoare annotation was computed. [2018-11-18 10:47:49,737 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 855 873) no Hoare annotation was computed. [2018-11-18 10:47:49,737 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2018-11-18 10:47:49,737 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2018-11-18 10:47:49,737 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 183 192) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:47:49,737 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 183 192) no Hoare annotation was computed. [2018-11-18 10:47:49,737 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 183 192) no Hoare annotation was computed. [2018-11-18 10:47:49,737 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 799 809) the Hoare annotation is: true [2018-11-18 10:47:49,738 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 799 809) no Hoare annotation was computed. [2018-11-18 10:47:49,738 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 799 809) no Hoare annotation was computed. [2018-11-18 10:47:49,738 INFO L428 ceAbstractionStarter]: At program point L804(line 804) the Hoare annotation is: true [2018-11-18 10:47:49,738 INFO L425 ceAbstractionStarter]: For program point L804-1(line 804) no Hoare annotation was computed. [2018-11-18 10:47:49,738 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 791 798) the Hoare annotation is: true [2018-11-18 10:47:49,738 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 791 798) no Hoare annotation was computed. [2018-11-18 10:47:49,738 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 791 798) no Hoare annotation was computed. [2018-11-18 10:47:49,738 INFO L421 ceAbstractionStarter]: At program point L760(line 760) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 10:47:49,738 INFO L425 ceAbstractionStarter]: For program point L760-1(lines 741 765) no Hoare annotation was computed. [2018-11-18 10:47:49,738 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 741 765) no Hoare annotation was computed. [2018-11-18 10:47:49,738 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 741 765) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 10:47:49,739 INFO L421 ceAbstractionStarter]: At program point L755(line 755) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 10:47:49,739 INFO L421 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 10:47:49,739 INFO L425 ceAbstractionStarter]: For program point L749(lines 749 757) no Hoare annotation was computed. [2018-11-18 10:47:49,739 INFO L421 ceAbstractionStarter]: At program point L747(line 747) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 10:47:49,739 INFO L425 ceAbstractionStarter]: For program point L747-1(line 747) no Hoare annotation was computed. [2018-11-18 10:47:49,739 INFO L425 ceAbstractionStarter]: For program point L745(lines 745 762) no Hoare annotation was computed. [2018-11-18 10:47:49,739 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 707 713) no Hoare annotation was computed. [2018-11-18 10:47:49,739 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 707 713) the Hoare annotation is: true [2018-11-18 10:47:49,739 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 898 965) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:47:49,746 INFO L421 ceAbstractionStarter]: At program point L958(lines 907 959) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:47:49,746 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 898 965) no Hoare annotation was computed. [2018-11-18 10:47:49,746 INFO L421 ceAbstractionStarter]: At program point L948(line 948) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 10:47:49,746 INFO L425 ceAbstractionStarter]: For program point L946(lines 946 952) no Hoare annotation was computed. [2018-11-18 10:47:49,746 INFO L421 ceAbstractionStarter]: At program point L946-1(lines 938 953) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 10:47:49,746 INFO L425 ceAbstractionStarter]: For program point L909(lines 908 957) no Hoare annotation was computed. [2018-11-18 10:47:49,746 INFO L421 ceAbstractionStarter]: At program point L940(line 940) the Hoare annotation is: (let ((.cse1 (= test_~splverifierCounter~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 2) .cse0 .cse1) (and (= ~waterLevel~0 1) .cse1 .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 10:47:49,746 INFO L425 ceAbstractionStarter]: For program point L938(lines 938 953) no Hoare annotation was computed. [2018-11-18 10:47:49,747 INFO L421 ceAbstractionStarter]: At program point L930(line 930) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 10:47:49,747 INFO L425 ceAbstractionStarter]: For program point L928(lines 928 934) no Hoare annotation was computed. [2018-11-18 10:47:49,747 INFO L425 ceAbstractionStarter]: For program point L928-1(lines 928 934) no Hoare annotation was computed. [2018-11-18 10:47:49,747 INFO L421 ceAbstractionStarter]: At program point L955(lines 908 957) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 10:47:49,747 INFO L421 ceAbstractionStarter]: At program point L920(line 920) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (or (= ~waterLevel~0 1) (= ~waterLevel~0 2)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:47:49,747 INFO L425 ceAbstractionStarter]: For program point L918(lines 918 924) no Hoare annotation was computed. [2018-11-18 10:47:49,747 INFO L425 ceAbstractionStarter]: For program point L918-1(lines 918 924) no Hoare annotation was computed. [2018-11-18 10:47:49,747 INFO L425 ceAbstractionStarter]: For program point L910(lines 910 914) no Hoare annotation was computed. [2018-11-18 10:47:49,747 INFO L425 ceAbstractionStarter]: For program point L908-1(lines 908 957) no Hoare annotation was computed. [2018-11-18 10:47:49,747 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 898 965) no Hoare annotation was computed. [2018-11-18 10:47:49,747 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 300 308) no Hoare annotation was computed. [2018-11-18 10:47:49,748 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 300 308) the Hoare annotation is: true [2018-11-18 10:47:49,748 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 300 308) no Hoare annotation was computed. [2018-11-18 10:47:49,748 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:47:49,748 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 10:47:49,748 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:47:49,748 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 291 299) the Hoare annotation is: true [2018-11-18 10:47:49,748 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 291 299) no Hoare annotation was computed. [2018-11-18 10:47:49,748 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 291 299) no Hoare annotation was computed. [2018-11-18 10:47:49,748 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 247 258) the Hoare annotation is: true [2018-11-18 10:47:49,748 INFO L425 ceAbstractionStarter]: For program point L251-1(lines 247 258) no Hoare annotation was computed. [2018-11-18 10:47:49,748 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 247 258) no Hoare annotation was computed. [2018-11-18 10:47:49,748 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 259 267) the Hoare annotation is: true [2018-11-18 10:47:49,748 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 259 267) no Hoare annotation was computed. [2018-11-18 10:47:49,749 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 259 267) no Hoare annotation was computed. [2018-11-18 10:47:49,749 INFO L421 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and (= ~waterLevel~0 1) .cse0 .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse2 (and .cse0 (= ~waterLevel~0 2) .cse1) (not (= |old(~waterLevel~0)| 2))))) [2018-11-18 10:47:49,749 INFO L421 ceAbstractionStarter]: At program point L694(lines 694 700) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse1)) (or .cse0 (not (= |old(~waterLevel~0)| 2)) (and (= ~waterLevel~0 2) .cse1)))) [2018-11-18 10:47:49,749 INFO L421 ceAbstractionStarter]: At program point L689(line 689) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= |old(~waterLevel~0)| 2))))) [2018-11-18 10:47:49,749 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 683 706) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse1)) (or .cse0 (not (= |old(~waterLevel~0)| 2)) (and (= ~waterLevel~0 2) .cse1)))) [2018-11-18 10:47:49,749 INFO L425 ceAbstractionStarter]: For program point L687(lines 686 705) no Hoare annotation was computed. [2018-11-18 10:47:49,749 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 683 706) no Hoare annotation was computed. [2018-11-18 10:47:49,749 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 683 706) no Hoare annotation was computed. [2018-11-18 10:47:49,749 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 118 147) no Hoare annotation was computed. [2018-11-18 10:47:49,749 INFO L425 ceAbstractionStarter]: For program point L128-1(lines 128 142) no Hoare annotation was computed. [2018-11-18 10:47:49,749 INFO L428 ceAbstractionStarter]: At program point L128-3(lines 128 142) the Hoare annotation is: true [2018-11-18 10:47:49,750 INFO L428 ceAbstractionStarter]: At program point L124(line 124) the Hoare annotation is: true [2018-11-18 10:47:49,750 INFO L425 ceAbstractionStarter]: For program point L124-1(line 124) no Hoare annotation was computed. [2018-11-18 10:47:49,750 INFO L428 ceAbstractionStarter]: At program point L143(lines 118 147) the Hoare annotation is: true [2018-11-18 10:47:49,750 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 10:47:49,750 INFO L425 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2018-11-18 10:47:49,750 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 118 147) the Hoare annotation is: true [2018-11-18 10:47:49,750 INFO L425 ceAbstractionStarter]: For program point L132(lines 132 136) no Hoare annotation was computed. [2018-11-18 10:47:49,750 INFO L428 ceAbstractionStarter]: At program point L132-1(lines 132 136) the Hoare annotation is: true [2018-11-18 10:47:49,750 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 223 234) the Hoare annotation is: true [2018-11-18 10:47:49,750 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 223 234) no Hoare annotation was computed. [2018-11-18 10:47:49,750 INFO L425 ceAbstractionStarter]: For program point L227-1(lines 223 234) no Hoare annotation was computed. [2018-11-18 10:47:49,750 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 175 181) no Hoare annotation was computed. [2018-11-18 10:47:49,750 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 175 181) the Hoare annotation is: true [2018-11-18 10:47:49,751 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:47:49,751 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 10:47:49,751 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:47:49,751 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:47:49,751 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 889 896) no Hoare annotation was computed. [2018-11-18 10:47:49,751 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 889 896) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~systemActive~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse3 (not (= ~waterLevel~0 2)))) (and (or (or .cse0 .cse1) .cse2 (not (= ~waterLevel~0 1))) (or .cse0 (not (= |old(~systemActive~0)| 0)) (= ~systemActive~0 0) .cse3) (or .cse0 .cse2 .cse1 .cse3))) [2018-11-18 10:47:49,751 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 889 896) no Hoare annotation was computed. [2018-11-18 10:47:49,751 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 235 246) no Hoare annotation was computed. [2018-11-18 10:47:49,751 INFO L425 ceAbstractionStarter]: For program point L239-1(lines 235 246) no Hoare annotation was computed. [2018-11-18 10:47:49,751 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 235 246) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= ~waterLevel~0 2) (not (= |old(~waterLevel~0)| 2))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2018-11-18 10:47:49,751 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 107 114) no Hoare annotation was computed. [2018-11-18 10:47:49,752 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2018-11-18 10:47:49,752 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 107 114) the Hoare annotation is: true [2018-11-18 10:47:49,752 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 107 114) no Hoare annotation was computed. [2018-11-18 10:47:49,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:47:49 BoogieIcfgContainer [2018-11-18 10:47:49,764 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:47:49,765 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:47:49,765 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:47:49,765 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:47:49,765 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:47:42" (3/4) ... [2018-11-18 10:47:49,768 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:47:49,774 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 10:47:49,774 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 10:47:49,774 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-18 10:47:49,774 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 10:47:49,775 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 10:47:49,775 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 10:47:49,775 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 10:47:49,775 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 10:47:49,775 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 10:47:49,775 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 10:47:49,775 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 10:47:49,775 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 10:47:49,775 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 10:47:49,775 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 10:47:49,775 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 10:47:49,775 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 10:47:49,775 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 10:47:49,775 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 10:47:49,776 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 10:47:49,776 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 10:47:49,776 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 10:47:49,776 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 10:47:49,776 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 10:47:49,776 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 10:47:49,776 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 10:47:49,776 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 10:47:49,776 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 10:47:49,782 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-11-18 10:47:49,782 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 10:47:49,782 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 10:47:49,805 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((waterLevel == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || ((waterLevel == 2 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) [2018-11-18 10:47:49,805 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 10:47:49,840 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_22f48000-c9f0-4791-a6fe-899160db2f69/bin-2019/utaipan/witness.graphml [2018-11-18 10:47:49,840 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:47:49,841 INFO L168 Benchmark]: Toolchain (without parser) took 8273.43 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 512.2 MB). Free memory was 955.5 MB in the beginning and 1.2 GB in the end (delta: -250.7 MB). Peak memory consumption was 261.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:47:49,841 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:47:49,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -181.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:47:49,841 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.30 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 10:47:49,842 INFO L168 Benchmark]: Boogie Preprocessor took 32.23 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:47:49,842 INFO L168 Benchmark]: RCFGBuilder took 457.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.4 MB). Peak memory consumption was 57.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:47:49,842 INFO L168 Benchmark]: TraceAbstraction took 7302.67 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 361.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -142.8 MB). Peak memory consumption was 477.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:47:49,842 INFO L168 Benchmark]: Witness Printer took 75.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:47:49,844 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 371.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -181.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.30 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 32.23 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 457.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.4 MB). Peak memory consumption was 57.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7302.67 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 361.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -142.8 MB). Peak memory consumption was 477.8 MB. Max. memory is 11.5 GB. * Witness Printer took 75.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 111]: 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: 907]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((waterLevel == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || ((waterLevel == 2 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 147 locations, 1 error locations. SAFE Result, 7.2s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 3.9s AutomataDifference, 0.0s DeadEndRemovalTime, 1.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 923 SDtfs, 977 SDslu, 2681 SDs, 0 SdLazy, 1213 SolverSat, 275 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 153 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=681occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9970109815513101 AbsIntWeakeningRatio, 1.0555555555555556 AbsIntAvgWeakeningVarsNumRemoved, 76.87777777777778 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 803 PreInvPairs, 855 NumberOfFragments, 1039 HoareAnnotationTreeSize, 803 FomulaSimplifications, 2391 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 62 FomulaSimplificationsInter, 4481 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 358 NumberOfCodeBlocks, 358 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 352 ConstructedInterpolants, 0 QuantifiedInterpolants, 45781 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 22/25 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...