./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product30_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_00f8157a-7513-4a71-9124-2ca4c3510994/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_00f8157a-7513-4a71-9124-2ca4c3510994/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_00f8157a-7513-4a71-9124-2ca4c3510994/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_00f8157a-7513-4a71-9124-2ca4c3510994/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product30_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_00f8157a-7513-4a71-9124-2ca4c3510994/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_00f8157a-7513-4a71-9124-2ca4c3510994/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 bd2e3a23ca3a9dd9f2f02315ad4615e39e48f52f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:37:25,684 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:37:25,685 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:37:25,691 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:37:25,692 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:37:25,692 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:37:25,693 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:37:25,694 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:37:25,695 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:37:25,696 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:37:25,696 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:37:25,697 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:37:25,697 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:37:25,698 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:37:25,699 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:37:25,699 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:37:25,700 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:37:25,701 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:37:25,702 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:37:25,703 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:37:25,704 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:37:25,705 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:37:25,706 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:37:25,707 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:37:25,707 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:37:25,707 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:37:25,708 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:37:25,708 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:37:25,709 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:37:25,710 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:37:25,710 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:37:25,710 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:37:25,711 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:37:25,711 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:37:25,711 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:37:25,712 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:37:25,712 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_00f8157a-7513-4a71-9124-2ca4c3510994/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 07:37:25,721 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:37:25,721 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:37:25,722 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:37:25,722 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 07:37:25,722 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 07:37:25,722 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 07:37:25,722 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 07:37:25,722 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 07:37:25,722 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 07:37:25,723 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 07:37:25,723 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 07:37:25,723 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:37:25,723 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:37:25,723 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:37:25,724 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:37:25,724 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:37:25,724 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:37:25,724 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:37:25,724 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:37:25,724 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:37:25,724 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:37:25,725 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:37:25,725 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:37:25,725 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 07:37:25,725 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:37:25,725 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 07:37:25,725 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:37:25,725 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:37:25,725 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:37:25,726 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:37:25,726 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 07:37:25,726 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:37:25,726 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:37:25,726 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 07:37:25,726 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_00f8157a-7513-4a71-9124-2ca4c3510994/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 -> bd2e3a23ca3a9dd9f2f02315ad4615e39e48f52f [2018-11-10 07:37:25,749 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:37:25,757 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:37:25,759 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:37:25,760 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:37:25,761 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:37:25,761 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_00f8157a-7513-4a71-9124-2ca4c3510994/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product30_true-unreach-call_false-termination.cil.c [2018-11-10 07:37:25,796 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_00f8157a-7513-4a71-9124-2ca4c3510994/bin-2019/utaipan/data/e77c5ac68/b13874fe3aa94c0cabad821259f62c8f/FLAG038979c12 [2018-11-10 07:37:26,221 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:37:26,221 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_00f8157a-7513-4a71-9124-2ca4c3510994/sv-benchmarks/c/product-lines/minepump_spec4_product30_true-unreach-call_false-termination.cil.c [2018-11-10 07:37:26,229 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_00f8157a-7513-4a71-9124-2ca4c3510994/bin-2019/utaipan/data/e77c5ac68/b13874fe3aa94c0cabad821259f62c8f/FLAG038979c12 [2018-11-10 07:37:26,237 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_00f8157a-7513-4a71-9124-2ca4c3510994/bin-2019/utaipan/data/e77c5ac68/b13874fe3aa94c0cabad821259f62c8f [2018-11-10 07:37:26,239 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:37:26,240 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:37:26,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:37:26,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:37:26,243 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:37:26,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:37:26" (1/1) ... [2018-11-10 07:37:26,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9bb135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:26, skipping insertion in model container [2018-11-10 07:37:26,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:37:26" (1/1) ... [2018-11-10 07:37:26,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:37:26,284 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:37:26,460 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:37:26,469 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:37:26,522 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:37:26,541 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:37:26,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:26 WrapperNode [2018-11-10 07:37:26,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:37:26,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:37:26,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:37:26,543 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:37:26,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:26" (1/1) ... [2018-11-10 07:37:26,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:26" (1/1) ... [2018-11-10 07:37:26,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:37:26,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:37:26,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:37:26,625 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:37:26,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:26" (1/1) ... [2018-11-10 07:37:26,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:26" (1/1) ... [2018-11-10 07:37:26,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:26" (1/1) ... [2018-11-10 07:37:26,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:26" (1/1) ... [2018-11-10 07:37:26,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:26" (1/1) ... [2018-11-10 07:37:26,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:26" (1/1) ... [2018-11-10 07:37:26,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:26" (1/1) ... [2018-11-10 07:37:26,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:37:26,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:37:26,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:37:26,658 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:37:26,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_00f8157a-7513-4a71-9124-2ca4c3510994/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:37:26,716 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 07:37:26,716 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 07:37:26,717 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-10 07:37:26,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-10 07:37:26,717 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 07:37:26,717 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 07:37:26,717 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-10 07:37:26,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-10 07:37:26,717 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 07:37:26,717 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 07:37:26,717 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 07:37:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 07:37:26,718 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 07:37:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 07:37:26,719 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 07:37:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 07:37:26,719 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-10 07:37:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-10 07:37:26,719 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-10 07:37:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-10 07:37:26,719 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 07:37:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 07:37:26,719 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 07:37:26,720 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 07:37:26,720 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 07:37:26,720 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 07:37:26,720 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 07:37:26,720 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 07:37:26,720 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-10 07:37:26,720 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-10 07:37:26,720 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 07:37:26,720 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 07:37:26,720 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 07:37:26,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 07:37:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 07:37:26,721 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 07:37:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 07:37:26,721 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 07:37:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 07:37:26,721 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 07:37:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 07:37:26,724 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 07:37:26,724 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 07:37:26,724 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 07:37:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 07:37:26,725 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 07:37:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 07:37:26,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 07:37:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 07:37:26,725 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 07:37:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:37:26,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:37:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 07:37:26,725 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 07:37:27,281 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:37:27,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:37:27 BoogieIcfgContainer [2018-11-10 07:37:27,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:37:27,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 07:37:27,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 07:37:27,285 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 07:37:27,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:37:26" (1/3) ... [2018-11-10 07:37:27,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dcfcc14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:37:27, skipping insertion in model container [2018-11-10 07:37:27,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:26" (2/3) ... [2018-11-10 07:37:27,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dcfcc14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:37:27, skipping insertion in model container [2018-11-10 07:37:27,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:37:27" (3/3) ... [2018-11-10 07:37:27,289 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product30_true-unreach-call_false-termination.cil.c [2018-11-10 07:37:27,297 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 07:37:27,303 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 07:37:27,316 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 07:37:27,343 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 07:37:27,343 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 07:37:27,343 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 07:37:27,343 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 07:37:27,343 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 07:37:27,344 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 07:37:27,344 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 07:37:27,344 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 07:37:27,360 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2018-11-10 07:37:27,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 07:37:27,367 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:37:27,368 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:37:27,370 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:37:27,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:37:27,375 INFO L82 PathProgramCache]: Analyzing trace with hash 712490293, now seen corresponding path program 1 times [2018-11-10 07:37:27,377 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:37:27,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:37:27,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:37:27,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:37:27,412 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:37:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:37:27,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:37:27,577 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:37:27,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 07:37:27,577 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:37:27,581 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 07:37:27,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 07:37:27,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 07:37:27,591 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2018-11-10 07:37:27,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:37:27,619 INFO L93 Difference]: Finished difference Result 256 states and 315 transitions. [2018-11-10 07:37:27,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 07:37:27,620 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-10 07:37:27,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:37:27,628 INFO L225 Difference]: With dead ends: 256 [2018-11-10 07:37:27,628 INFO L226 Difference]: Without dead ends: 128 [2018-11-10 07:37:27,631 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 07:37:27,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-10 07:37:27,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-11-10 07:37:27,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-11-10 07:37:27,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 149 transitions. [2018-11-10 07:37:27,667 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 149 transitions. Word has length 46 [2018-11-10 07:37:27,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:37:27,667 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 149 transitions. [2018-11-10 07:37:27,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 07:37:27,667 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 149 transitions. [2018-11-10 07:37:27,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 07:37:27,670 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:37:27,670 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:37:27,670 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:37:27,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:37:27,670 INFO L82 PathProgramCache]: Analyzing trace with hash -255262788, now seen corresponding path program 1 times [2018-11-10 07:37:27,670 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:37:27,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:37:27,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:37:27,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:37:27,671 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:37:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:37:27,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:37:27,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:37:27,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 07:37:27,757 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:37:27,759 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 07:37:27,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 07:37:27,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 07:37:27,759 INFO L87 Difference]: Start difference. First operand 128 states and 149 transitions. Second operand 3 states. [2018-11-10 07:37:27,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:37:27,781 INFO L93 Difference]: Finished difference Result 199 states and 231 transitions. [2018-11-10 07:37:27,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 07:37:27,782 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-10 07:37:27,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:37:27,784 INFO L225 Difference]: With dead ends: 199 [2018-11-10 07:37:27,784 INFO L226 Difference]: Without dead ends: 118 [2018-11-10 07:37:27,785 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 07:37:27,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-11-10 07:37:27,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-11-10 07:37:27,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-11-10 07:37:27,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 136 transitions. [2018-11-10 07:37:27,797 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 136 transitions. Word has length 48 [2018-11-10 07:37:27,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:37:27,797 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 136 transitions. [2018-11-10 07:37:27,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 07:37:27,798 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions. [2018-11-10 07:37:27,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 07:37:27,799 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:37:27,800 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] [2018-11-10 07:37:27,800 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:37:27,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:37:27,800 INFO L82 PathProgramCache]: Analyzing trace with hash 845708211, now seen corresponding path program 1 times [2018-11-10 07:37:27,800 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:37:27,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:37:27,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:37:27,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:37:27,802 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:37:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:37:27,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:37:27,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:37:27,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 07:37:27,920 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:37:27,920 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 07:37:27,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 07:37:27,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 07:37:27,921 INFO L87 Difference]: Start difference. First operand 118 states and 136 transitions. Second operand 7 states. [2018-11-10 07:37:28,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:37:28,195 INFO L93 Difference]: Finished difference Result 212 states and 249 transitions. [2018-11-10 07:37:28,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 07:37:28,196 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-10 07:37:28,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:37:28,197 INFO L225 Difference]: With dead ends: 212 [2018-11-10 07:37:28,197 INFO L226 Difference]: Without dead ends: 118 [2018-11-10 07:37:28,198 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-10 07:37:28,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-11-10 07:37:28,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-11-10 07:37:28,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-11-10 07:37:28,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 135 transitions. [2018-11-10 07:37:28,208 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 135 transitions. Word has length 53 [2018-11-10 07:37:28,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:37:28,209 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 135 transitions. [2018-11-10 07:37:28,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 07:37:28,209 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 135 transitions. [2018-11-10 07:37:28,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 07:37:28,212 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:37:28,212 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:37:28,214 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:37:28,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:37:28,214 INFO L82 PathProgramCache]: Analyzing trace with hash 171241111, now seen corresponding path program 1 times [2018-11-10 07:37:28,214 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:37:28,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:37:28,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:37:28,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:37:28,215 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:37:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:37:28,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:37:28,341 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:37:28,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-10 07:37:28,341 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:37:28,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 07:37:28,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 07:37:28,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-10 07:37:28,342 INFO L87 Difference]: Start difference. First operand 118 states and 135 transitions. Second operand 10 states. [2018-11-10 07:37:28,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:37:28,859 INFO L93 Difference]: Finished difference Result 380 states and 461 transitions. [2018-11-10 07:37:28,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-10 07:37:28,859 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2018-11-10 07:37:28,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:37:28,862 INFO L225 Difference]: With dead ends: 380 [2018-11-10 07:37:28,863 INFO L226 Difference]: Without dead ends: 286 [2018-11-10 07:37:28,863 INFO L605 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 [2018-11-10 07:37:28,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2018-11-10 07:37:28,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 282. [2018-11-10 07:37:28,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2018-11-10 07:37:28,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 333 transitions. [2018-11-10 07:37:28,892 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 333 transitions. Word has length 66 [2018-11-10 07:37:28,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:37:28,893 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 333 transitions. [2018-11-10 07:37:28,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 07:37:28,893 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 333 transitions. [2018-11-10 07:37:28,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-10 07:37:28,896 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:37:28,896 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:37:28,897 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:37:28,897 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:37:28,897 INFO L82 PathProgramCache]: Analyzing trace with hash 672362289, now seen corresponding path program 1 times [2018-11-10 07:37:28,897 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:37:28,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:37:28,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:37:28,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:37:28,899 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:37:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:37:28,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:37:28,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:37:28,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 07:37:28,964 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:37:28,964 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 07:37:28,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 07:37:28,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 07:37:28,965 INFO L87 Difference]: Start difference. First operand 282 states and 333 transitions. Second operand 3 states. [2018-11-10 07:37:28,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:37:28,991 INFO L93 Difference]: Finished difference Result 437 states and 526 transitions. [2018-11-10 07:37:28,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 07:37:28,991 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2018-11-10 07:37:28,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:37:28,992 INFO L225 Difference]: With dead ends: 437 [2018-11-10 07:37:28,992 INFO L226 Difference]: Without dead ends: 179 [2018-11-10 07:37:28,993 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 07:37:28,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-11-10 07:37:29,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2018-11-10 07:37:29,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-11-10 07:37:29,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 197 transitions. [2018-11-10 07:37:29,007 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 197 transitions. Word has length 70 [2018-11-10 07:37:29,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:37:29,008 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 197 transitions. [2018-11-10 07:37:29,008 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 07:37:29,008 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 197 transitions. [2018-11-10 07:37:29,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-10 07:37:29,009 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:37:29,010 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:37:29,010 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:37:29,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:37:29,011 INFO L82 PathProgramCache]: Analyzing trace with hash 377287732, now seen corresponding path program 1 times [2018-11-10 07:37:29,011 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:37:29,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:37:29,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:37:29,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:37:29,012 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:37:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:37:29,118 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 07:37:29,118 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 07:37:29,118 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 07:37:29,119 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 113 with the following transitions: [2018-11-10 07:37:29,120 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [52], [55], [56], [57], [69], [78], [93], [96], [97], [98], [102], [108], [112], [116], [119], [124], [130], [132], [138], [141], [153], [154], [155], [156], [171], [175], [181], [219], [224], [228], [229], [232], [233], [234], [235], [236], [238], [239], [240], [241], [242], [243], [244], [245], [246], [254], [255], [258], [268], [269], [270], [271], [276], [277], [282], [283], [284], [285], [290], [291], [292] [2018-11-10 07:37:29,161 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 07:37:29,161 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 07:37:35,247 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 07:37:35,248 INFO L272 AbstractInterpreter]: Visited 67 different actions 76 times. Merged at 6 different actions 6 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 133 variables. [2018-11-10 07:37:35,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:37:35,267 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 07:37:45,841 INFO L227 lantSequenceWeakener]: Weakened 103 states. On average, predicates are now at 97.35% of their original sizes. [2018-11-10 07:37:45,841 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 07:37:46,392 INFO L415 sIntCurrentIteration]: We unified 111 AI predicates to 111 [2018-11-10 07:37:46,392 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 07:37:46,393 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 07:37:46,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [7] total 30 [2018-11-10 07:37:46,393 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:37:46,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-10 07:37:46,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-10 07:37:46,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2018-11-10 07:37:46,394 INFO L87 Difference]: Start difference. First operand 179 states and 197 transitions. Second operand 25 states. [2018-11-10 07:38:08,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:38:08,831 INFO L93 Difference]: Finished difference Result 250 states and 285 transitions. [2018-11-10 07:38:08,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-10 07:38:08,831 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 112 [2018-11-10 07:38:08,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:38:08,831 INFO L225 Difference]: With dead ends: 250 [2018-11-10 07:38:08,831 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 07:38:08,832 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 117 GetRequests, 86 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=171, Invalid=759, Unknown=0, NotChecked=0, Total=930 [2018-11-10 07:38:08,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 07:38:08,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 07:38:08,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 07:38:08,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 07:38:08,833 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 112 [2018-11-10 07:38:08,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:38:08,833 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 07:38:08,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-10 07:38:08,833 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 07:38:08,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 07:38:08,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 07:38:09,443 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 32 [2018-11-10 07:38:10,166 WARN L179 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 59 [2018-11-10 07:38:10,579 WARN L179 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 58 [2018-11-10 07:38:10,965 WARN L179 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 59 [2018-11-10 07:38:11,626 WARN L179 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 54 [2018-11-10 07:38:12,738 WARN L179 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 59 [2018-11-10 07:38:12,962 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 923 929) the Hoare annotation is: true [2018-11-10 07:38:12,962 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 923 929) no Hoare annotation was computed. [2018-11-10 07:38:12,962 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 930 938) no Hoare annotation was computed. [2018-11-10 07:38:12,962 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 930 938) the Hoare annotation is: true [2018-11-10 07:38:12,962 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 930 938) no Hoare annotation was computed. [2018-11-10 07:38:12,962 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 138 162) the Hoare annotation is: true [2018-11-10 07:38:12,962 INFO L421 ceAbstractionStarter]: At program point L152(line 152) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 ~pumpRunning~0)))) (and (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 (< (+ ~pumpRunning~0 2) ~waterLevel~0)) (or (< (+ ~pumpRunning~0 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse0))) [2018-11-10 07:38:12,962 INFO L425 ceAbstractionStarter]: For program point L150(lines 150 156) no Hoare annotation was computed. [2018-11-10 07:38:12,962 INFO L421 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 ~pumpRunning~0)))) (and (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 (< (+ ~pumpRunning~0 2) ~waterLevel~0)) (or (< (+ ~pumpRunning~0 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse0))) [2018-11-10 07:38:12,962 INFO L425 ceAbstractionStarter]: For program point L148-1(line 148) no Hoare annotation was computed. [2018-11-10 07:38:12,963 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 138 162) no Hoare annotation was computed. [2018-11-10 07:38:12,963 INFO L425 ceAbstractionStarter]: For program point L146(lines 146 159) no Hoare annotation was computed. [2018-11-10 07:38:12,963 INFO L425 ceAbstractionStarter]: For program point L146-1(lines 138 162) no Hoare annotation was computed. [2018-11-10 07:38:12,963 INFO L428 ceAbstractionStarter]: At program point L144(line 144) the Hoare annotation is: true [2018-11-10 07:38:12,963 INFO L425 ceAbstractionStarter]: For program point L144-1(line 144) no Hoare annotation was computed. [2018-11-10 07:38:12,963 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 881 903) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 07:38:12,964 INFO L421 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: (or (and (= main_~tmp~9 ~systemActive~0) (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (* 2 main_~tmp~9) 2) (= main_~tmp~9 ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 07:38:12,964 INFO L421 ceAbstractionStarter]: At program point L893-1(line 893) the Hoare annotation is: (or (and (= main_~tmp~9 ~systemActive~0) (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (* 2 main_~tmp~9) 2) (= main_~tmp~9 ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 07:38:12,964 INFO L425 ceAbstractionStarter]: For program point L891(lines 891 898) no Hoare annotation was computed. [2018-11-10 07:38:12,964 INFO L425 ceAbstractionStarter]: For program point L891-1(lines 891 898) no Hoare annotation was computed. [2018-11-10 07:38:12,964 INFO L425 ceAbstractionStarter]: For program point L889(line 889) no Hoare annotation was computed. [2018-11-10 07:38:12,964 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 881 903) no Hoare annotation was computed. [2018-11-10 07:38:12,964 INFO L421 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 07:38:12,965 INFO L421 ceAbstractionStarter]: At program point L887(line 887) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 07:38:12,965 INFO L421 ceAbstractionStarter]: At program point L887-1(line 887) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 07:38:12,965 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 881 903) no Hoare annotation was computed. [2018-11-10 07:38:12,965 INFO L421 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 .cse1 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or .cse0 (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse1))) [2018-11-10 07:38:12,965 INFO L425 ceAbstractionStarter]: For program point L223-1(lines 204 228) no Hoare annotation was computed. [2018-11-10 07:38:12,965 INFO L421 ceAbstractionStarter]: At program point L218(line 218) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse0) (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)))) [2018-11-10 07:38:12,965 INFO L421 ceAbstractionStarter]: At program point L214(line 214) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse0) (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)))) [2018-11-10 07:38:12,965 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 220) no Hoare annotation was computed. [2018-11-10 07:38:12,966 INFO L421 ceAbstractionStarter]: At program point L210(line 210) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse0) (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)))) [2018-11-10 07:38:12,966 INFO L425 ceAbstractionStarter]: For program point L210-1(line 210) no Hoare annotation was computed. [2018-11-10 07:38:12,966 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 204 228) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 .cse1 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or .cse0 (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse1))) [2018-11-10 07:38:12,966 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 225) no Hoare annotation was computed. [2018-11-10 07:38:12,966 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 204 228) no Hoare annotation was computed. [2018-11-10 07:38:12,966 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 299 307) no Hoare annotation was computed. [2018-11-10 07:38:12,966 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 299 307) the Hoare annotation is: true [2018-11-10 07:38:12,966 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 299 307) no Hoare annotation was computed. [2018-11-10 07:38:12,966 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 357) no Hoare annotation was computed. [2018-11-10 07:38:12,966 INFO L428 ceAbstractionStarter]: At program point L351(line 351) the Hoare annotation is: true [2018-11-10 07:38:12,966 INFO L425 ceAbstractionStarter]: For program point L353-2(lines 353 357) no Hoare annotation was computed. [2018-11-10 07:38:12,967 INFO L425 ceAbstractionStarter]: For program point L351-1(line 351) no Hoare annotation was computed. [2018-11-10 07:38:12,967 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 344 362) the Hoare annotation is: true [2018-11-10 07:38:12,967 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 344 362) no Hoare annotation was computed. [2018-11-10 07:38:12,967 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 344 362) no Hoare annotation was computed. [2018-11-10 07:38:12,967 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 916 922) no Hoare annotation was computed. [2018-11-10 07:38:12,967 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 916 922) the Hoare annotation is: true [2018-11-10 07:38:12,967 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 868 877) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 07:38:12,967 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 868 877) no Hoare annotation was computed. [2018-11-10 07:38:12,967 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 868 877) no Hoare annotation was computed. [2018-11-10 07:38:12,967 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 288 298) the Hoare annotation is: true [2018-11-10 07:38:12,967 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 288 298) no Hoare annotation was computed. [2018-11-10 07:38:12,967 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 288 298) no Hoare annotation was computed. [2018-11-10 07:38:12,968 INFO L428 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: true [2018-11-10 07:38:12,968 INFO L425 ceAbstractionStarter]: For program point L293-1(line 293) no Hoare annotation was computed. [2018-11-10 07:38:12,968 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 280 287) the Hoare annotation is: true [2018-11-10 07:38:12,968 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 280 287) no Hoare annotation was computed. [2018-11-10 07:38:12,968 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 280 287) no Hoare annotation was computed. [2018-11-10 07:38:12,968 INFO L421 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 .cse1 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or .cse0 (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse1))) [2018-11-10 07:38:12,968 INFO L425 ceAbstractionStarter]: For program point L249-1(lines 230 254) no Hoare annotation was computed. [2018-11-10 07:38:12,968 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 230 254) no Hoare annotation was computed. [2018-11-10 07:38:12,968 INFO L421 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse0) (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)))) [2018-11-10 07:38:12,968 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 230 254) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 .cse1 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or .cse0 (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse1))) [2018-11-10 07:38:12,969 INFO L421 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse0) (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)))) [2018-11-10 07:38:12,969 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-10 07:38:12,969 INFO L421 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse0) (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)))) [2018-11-10 07:38:12,969 INFO L425 ceAbstractionStarter]: For program point L236-1(line 236) no Hoare annotation was computed. [2018-11-10 07:38:12,969 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 251) no Hoare annotation was computed. [2018-11-10 07:38:12,969 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 196 202) no Hoare annotation was computed. [2018-11-10 07:38:12,969 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 196 202) the Hoare annotation is: true [2018-11-10 07:38:12,969 INFO L425 ceAbstractionStarter]: For program point L384(lines 383 430) no Hoare annotation was computed. [2018-11-10 07:38:12,969 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 373 438) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 07:38:12,970 INFO L421 ceAbstractionStarter]: At program point L415(line 415) the Hoare annotation is: (let ((.cse1 (+ ~pumpRunning~0 ~systemActive~0))) (let ((.cse0 (let ((.cse4 (<= (* 2 test_~tmp~5) 4294967294)) (.cse5 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse6 (<= test_~splverifierCounter~0 (+ test_~tmp~5 2147483648)))) (or (and (<= 2 (+ ~waterLevel~0 test_~splverifierCounter~0)) (<= .cse1 1) .cse4 (<= .cse5 2) .cse6) (and (<= (+ ~systemActive~0 ~waterLevel~0) 2) .cse4 (<= 1 .cse5) .cse6)))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 1 .cse1) (<= 0 (+ ~waterLevel~0 test_~tmp___0~2 2147483646)) .cse2 (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) (<= test_~tmp___0~2 (+ ~waterLevel~0 2147483645)) .cse3) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (and .cse0 (<= ~waterLevel~0 ~systemActive~0) .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-11-10 07:38:12,970 INFO L425 ceAbstractionStarter]: For program point L413(lines 413 426) no Hoare annotation was computed. [2018-11-10 07:38:12,970 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 373 438) no Hoare annotation was computed. [2018-11-10 07:38:12,970 INFO L421 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: (let ((.cse1 (+ ~pumpRunning~0 ~systemActive~0))) (let ((.cse0 (let ((.cse4 (<= (* 2 test_~tmp~5) 4294967294)) (.cse5 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse6 (<= test_~splverifierCounter~0 (+ test_~tmp~5 2147483648)))) (or (and (<= 2 (+ ~waterLevel~0 test_~splverifierCounter~0)) (<= .cse1 1) .cse4 (<= .cse5 2) .cse6) (and (<= (+ ~systemActive~0 ~waterLevel~0) 2) .cse4 (<= 1 .cse5) .cse6)))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 1 .cse1) (<= 0 (+ ~waterLevel~0 test_~tmp___0~2 2147483646)) .cse2 (<= test_~tmp___0~2 (+ ~waterLevel~0 2147483645)) .cse3) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (and .cse0 (<= ~waterLevel~0 ~systemActive~0) .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-11-10 07:38:12,970 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 409) no Hoare annotation was computed. [2018-11-10 07:38:12,970 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 403 409) no Hoare annotation was computed. [2018-11-10 07:38:12,970 INFO L421 ceAbstractionStarter]: At program point L428(lines 383 430) the Hoare annotation is: (let ((.cse0 (+ ~waterLevel~0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (let ((.cse1 (+ ~pumpRunning~0 ~systemActive~0))) (and (and (<= 2 .cse0) (<= .cse1 1) (<= (* 2 test_~tmp~5) 4294967294) (<= (+ ~pumpRunning~0 ~waterLevel~0) 2) (<= test_~splverifierCounter~0 (+ test_~tmp~5 2147483648))) (<= 1 .cse1) (<= 0 (+ ~waterLevel~0 test_~tmp___0~2 2147483646)) .cse2 (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) (<= test_~tmp___0~2 (+ ~waterLevel~0 2147483645)) .cse3)) (and (<= 1 .cse0) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) .cse2 .cse3) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|)))) [2018-11-10 07:38:12,971 INFO L421 ceAbstractionStarter]: At program point L395(line 395) the Hoare annotation is: (let ((.cse1 (+ ~pumpRunning~0 ~systemActive~0))) (let ((.cse0 (let ((.cse4 (<= (* 2 test_~tmp~5) 4294967294)) (.cse5 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse6 (<= test_~splverifierCounter~0 (+ test_~tmp~5 2147483648)))) (or (and (<= 2 (+ ~waterLevel~0 test_~splverifierCounter~0)) (<= .cse1 1) .cse4 (<= .cse5 2) .cse6) (and (<= (+ ~systemActive~0 ~waterLevel~0) 2) .cse4 (<= 1 .cse5) .cse6)))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (and .cse0 (<= 1 .cse1) (<= 0 (+ ~waterLevel~0 test_~tmp___0~2 2147483646)) .cse2 (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) (<= test_~tmp___0~2 (+ ~waterLevel~0 2147483645)) .cse3) (and .cse0 (<= ~waterLevel~0 ~systemActive~0) .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-11-10 07:38:12,971 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 399) no Hoare annotation was computed. [2018-11-10 07:38:12,971 INFO L425 ceAbstractionStarter]: For program point L393-1(lines 393 399) no Hoare annotation was computed. [2018-11-10 07:38:12,971 INFO L425 ceAbstractionStarter]: For program point L385(lines 385 389) no Hoare annotation was computed. [2018-11-10 07:38:12,971 INFO L425 ceAbstractionStarter]: For program point L383-1(lines 383 430) no Hoare annotation was computed. [2018-11-10 07:38:12,971 INFO L421 ceAbstractionStarter]: At program point L431(lines 382 432) the Hoare annotation is: (or (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 07:38:12,971 INFO L425 ceAbstractionStarter]: For program point L421(lines 421 425) no Hoare annotation was computed. [2018-11-10 07:38:12,971 INFO L421 ceAbstractionStarter]: At program point L421-2(lines 413 426) the Hoare annotation is: (let ((.cse1 (+ ~pumpRunning~0 ~systemActive~0))) (let ((.cse0 (let ((.cse4 (<= (* 2 test_~tmp~5) 4294967294)) (.cse5 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse6 (<= test_~splverifierCounter~0 (+ test_~tmp~5 2147483648)))) (or (and (<= 2 (+ ~waterLevel~0 test_~splverifierCounter~0)) (<= .cse1 1) .cse4 (<= .cse5 2) .cse6) (and (<= (+ ~systemActive~0 ~waterLevel~0) 2) .cse4 (<= 1 .cse5) .cse6)))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 1 .cse1) (<= 0 (+ ~waterLevel~0 test_~tmp___0~2 2147483646)) .cse2 (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) (<= test_~tmp___0~2 (+ ~waterLevel~0 2147483645)) .cse3) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (and .cse0 (<= ~waterLevel~0 ~systemActive~0) .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-11-10 07:38:12,971 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 373 438) no Hoare annotation was computed. [2018-11-10 07:38:12,972 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2018-11-10 07:38:12,972 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2018-11-10 07:38:12,972 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2018-11-10 07:38:12,972 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 07:38:12,972 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 07:38:12,972 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 07:38:12,972 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2018-11-10 07:38:12,972 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2018-11-10 07:38:12,972 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2018-11-10 07:38:12,972 INFO L425 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-11-10 07:38:12,972 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2018-11-10 07:38:12,972 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-11-10 07:38:12,972 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-11-10 07:38:12,972 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-11-10 07:38:12,972 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-11-10 07:38:12,972 INFO L421 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (let ((.cse1 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse0 (+ ~systemActive~0 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3) (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) (and (<= .cse0 3) (<= 2 .cse1) .cse2) .cse3 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (or (and (<= 1 .cse1) (<= .cse0 2) .cse2) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) .cse3))) [2018-11-10 07:38:12,972 INFO L421 ceAbstractionStarter]: At program point L183(lines 183 189) the Hoare annotation is: (let ((.cse1 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse0 (+ ~systemActive~0 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3) (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) (and (<= .cse0 3) (<= 2 .cse1) .cse2) .cse3 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (or (and (<= 1 .cse1) (<= .cse0 2) .cse2) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) .cse3))) [2018-11-10 07:38:12,972 INFO L421 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) .cse0) (or (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3) (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) .cse0 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)))) [2018-11-10 07:38:12,972 INFO L425 ceAbstractionStarter]: For program point L176(lines 175 194) no Hoare annotation was computed. [2018-11-10 07:38:12,973 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 172 195) the Hoare annotation is: (let ((.cse1 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse0 (+ ~systemActive~0 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3) (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) (and (<= .cse0 3) (<= 2 .cse1) .cse2) .cse3 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (or (and (<= 1 .cse1) (<= .cse0 2) .cse2) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) .cse3))) [2018-11-10 07:38:12,973 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 172 195) no Hoare annotation was computed. [2018-11-10 07:38:12,973 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 172 195) no Hoare annotation was computed. [2018-11-10 07:38:12,973 INFO L428 ceAbstractionStarter]: At program point L832(lines 807 836) the Hoare annotation is: true [2018-11-10 07:38:12,973 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2018-11-10 07:38:12,973 INFO L425 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-11-10 07:38:12,973 INFO L425 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2018-11-10 07:38:12,973 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2018-11-10 07:38:12,973 INFO L425 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2018-11-10 07:38:12,973 INFO L428 ceAbstractionStarter]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2018-11-10 07:38:12,973 INFO L425 ceAbstractionStarter]: For program point L817-1(lines 817 831) no Hoare annotation was computed. [2018-11-10 07:38:12,973 INFO L428 ceAbstractionStarter]: At program point L817-3(lines 817 831) the Hoare annotation is: true [2018-11-10 07:38:12,973 INFO L428 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: true [2018-11-10 07:38:12,973 INFO L425 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2018-11-10 07:38:12,973 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2018-11-10 07:38:12,973 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-11-10 07:38:12,973 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-11-10 07:38:12,973 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 07:38:12,973 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) [2018-11-10 07:38:12,973 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 07:38:12,974 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 07:38:12,974 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2018-11-10 07:38:12,974 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2018-11-10 07:38:12,974 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 363 370) no Hoare annotation was computed. [2018-11-10 07:38:12,974 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 363 370) the Hoare annotation is: (let ((.cse3 (+ ~pumpRunning~0 1))) (let ((.cse1 (<= .cse3 ~systemActive~0)) (.cse0 (+ ~systemActive~0 ~waterLevel~0)) (.cse2 (< 0 (* 2 ~pumpRunning~0)))) (and (or (< (+ ~waterLevel~0 |old(~systemActive~0)|) 3) (< ~waterLevel~0 (+ |old(~systemActive~0)| 1)) (and (<= .cse0 3) .cse1) .cse2 (< (+ ~pumpRunning~0 2) ~waterLevel~0)) (or (and .cse1 (<= .cse0 2)) (< .cse3 |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= ~waterLevel~0 1)) .cse2)))) [2018-11-10 07:38:12,974 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 363 370) no Hoare annotation was computed. [2018-11-10 07:38:12,974 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-11-10 07:38:12,974 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-11-10 07:38:12,974 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse1 (+ ~systemActive~0 ~waterLevel~0)) (.cse0 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse2 (< 0 (* 2 ~pumpRunning~0)))) (and (or (and (<= 1 .cse0) (<= .cse1 2)) (< (+ ~pumpRunning~0 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) .cse2) (or (and (<= .cse1 3) (<= 2 .cse0)) (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3) (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) .cse2 (< (+ ~pumpRunning~0 2) |old(~waterLevel~0)|)))) [2018-11-10 07:38:12,974 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 940 947) no Hoare annotation was computed. [2018-11-10 07:38:12,974 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 944) no Hoare annotation was computed. [2018-11-10 07:38:12,974 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 940 947) the Hoare annotation is: true [2018-11-10 07:38:12,974 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 940 947) no Hoare annotation was computed. [2018-11-10 07:38:12,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 07:38:12 BoogieIcfgContainer [2018-11-10 07:38:12,986 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 07:38:12,986 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:38:12,986 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:38:12,986 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:38:12,987 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:37:27" (3/4) ... [2018-11-10 07:38:12,990 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 07:38:12,994 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 07:38:12,994 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 07:38:12,994 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-10 07:38:12,994 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 07:38:12,994 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-10 07:38:12,994 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 07:38:12,994 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-10 07:38:12,995 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 07:38:12,995 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 07:38:12,995 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 07:38:12,995 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 07:38:12,995 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 07:38:12,995 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 07:38:12,995 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 07:38:12,995 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-10 07:38:12,995 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 07:38:12,995 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-10 07:38:12,995 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 07:38:12,995 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 07:38:12,995 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 07:38:12,995 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 07:38:12,995 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 07:38:12,995 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 07:38:12,996 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-10 07:38:12,996 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 07:38:12,996 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 07:38:13,001 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 139 nodes and edges [2018-11-10 07:38:13,002 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 07:38:13,002 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 07:38:13,019 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((2 <= waterLevel + splverifierCounter && pumpRunning + systemActive <= 1) && 2 * tmp <= 4294967294) && pumpRunning + waterLevel <= 2) && splverifierCounter <= tmp + 2147483648) && 1 <= pumpRunning + systemActive) && 0 <= waterLevel + tmp___0 + 2147483646) && pumpRunning == 0) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && tmp___0 <= waterLevel + 2147483645) && splverifierCounter == 0) || ((((1 <= waterLevel + splverifierCounter && pumpRunning + 1 <= systemActive) && systemActive + waterLevel <= 2) && pumpRunning == 0) && splverifierCounter == 0)) || \old(pumpRunning) + 1 < \old(systemActive)) || 2 * \old(systemActive) < 2) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) [2018-11-10 07:38:13,019 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(pumpRunning) + 1 < \old(systemActive) || 2 * \old(systemActive) < 2) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) [2018-11-10 07:38:13,057 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_00f8157a-7513-4a71-9124-2ca4c3510994/bin-2019/utaipan/witness.graphml [2018-11-10 07:38:13,057 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:38:13,057 INFO L168 Benchmark]: Toolchain (without parser) took 46818.04 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 4.0 GB). Free memory was 959.8 MB in the beginning and 1.8 GB in the end (delta: -869.6 MB). Peak memory consumption was 3.1 GB. Max. memory is 11.5 GB. [2018-11-10 07:38:13,058 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:38:13,058 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.61 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 935.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 07:38:13,058 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -192.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2018-11-10 07:38:13,059 INFO L168 Benchmark]: Boogie Preprocessor took 32.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 07:38:13,059 INFO L168 Benchmark]: RCFGBuilder took 624.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 89.1 MB). Peak memory consumption was 89.1 MB. Max. memory is 11.5 GB. [2018-11-10 07:38:13,059 INFO L168 Benchmark]: TraceAbstraction took 45703.30 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: -793.5 MB). Peak memory consumption was 3.0 GB. Max. memory is 11.5 GB. [2018-11-10 07:38:13,059 INFO L168 Benchmark]: Witness Printer took 70.83 ms. Allocated memory is still 5.0 GB. Free memory is still 1.8 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:38:13,061 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 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 301.61 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 935.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 82.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -192.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 624.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 89.1 MB). Peak memory consumption was 89.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 45703.30 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: -793.5 MB). Peak memory consumption was 3.0 GB. Max. memory is 11.5 GB. * Witness Printer took 70.83 ms. Allocated memory is still 5.0 GB. Free memory is still 1.8 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 944]: 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: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: (((((((((((((((2 <= waterLevel + splverifierCounter && pumpRunning + systemActive <= 1) && 2 * tmp <= 4294967294) && pumpRunning + waterLevel <= 2) && splverifierCounter <= tmp + 2147483648) && 1 <= pumpRunning + systemActive) && 0 <= waterLevel + tmp___0 + 2147483646) && pumpRunning == 0) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && tmp___0 <= waterLevel + 2147483645) && splverifierCounter == 0) || ((((1 <= waterLevel + splverifierCounter && pumpRunning + 1 <= systemActive) && systemActive + waterLevel <= 2) && pumpRunning == 0) && splverifierCounter == 0)) || \old(pumpRunning) + 1 < \old(systemActive)) || 2 * \old(systemActive) < 2) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: ((\old(pumpRunning) + 1 < \old(systemActive) || 2 * \old(systemActive) < 2) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 141 locations, 1 error locations. SAFE Result, 45.6s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 23.3s AutomataDifference, 0.0s DeadEndRemovalTime, 4.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 779 SDtfs, 639 SDslu, 2154 SDs, 0 SdLazy, 1086 SolverSat, 136 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 165 GetRequests, 106 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=282occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9930829368415977 AbsIntWeakeningRatio, 0.9279279279279279 AbsIntAvgWeakeningVarsNumRemoved, 7411.675675675676 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 416 PreInvPairs, 440 NumberOfFragments, 2186 HoareAnnotationTreeSize, 416 FomulaSimplifications, 2530 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 59 FomulaSimplificationsInter, 21151 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 395 NumberOfCodeBlocks, 395 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 389 ConstructedInterpolants, 0 QuantifiedInterpolants, 58820 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 34/38 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...