./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product22_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c0a644e6-8b9b-4516-999e-752ced00e223/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c0a644e6-8b9b-4516-999e-752ced00e223/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c0a644e6-8b9b-4516-999e-752ced00e223/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c0a644e6-8b9b-4516-999e-752ced00e223/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product22_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c0a644e6-8b9b-4516-999e-752ced00e223/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c0a644e6-8b9b-4516-999e-752ced00e223/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 a844f2570635c0549a90fa68b4a0ca8e0d5c4fa4 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:58:59,621 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:58:59,623 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:58:59,632 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:58:59,633 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:58:59,633 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:58:59,634 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:58:59,636 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:58:59,637 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:58:59,638 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:58:59,639 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:58:59,639 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:58:59,639 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:58:59,640 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:58:59,641 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:58:59,642 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:58:59,643 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:58:59,644 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:58:59,646 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:58:59,647 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:58:59,648 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:58:59,649 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:58:59,651 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:58:59,652 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:58:59,652 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:58:59,653 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:58:59,653 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:58:59,655 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:58:59,655 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:58:59,656 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:58:59,656 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:58:59,657 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:58:59,657 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:58:59,657 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:58:59,659 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:58:59,660 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:58:59,660 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c0a644e6-8b9b-4516-999e-752ced00e223/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 14:58:59,671 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:58:59,671 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:58:59,672 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:58:59,672 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 14:58:59,672 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 14:58:59,672 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 14:58:59,673 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 14:58:59,673 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 14:58:59,673 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 14:58:59,673 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 14:58:59,673 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 14:58:59,673 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 14:58:59,673 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 14:58:59,675 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:58:59,676 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:58:59,676 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:58:59,676 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:58:59,676 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:58:59,676 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:58:59,676 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:58:59,676 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:58:59,677 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:58:59,677 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:58:59,677 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:58:59,677 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:58:59,677 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:58:59,677 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:58:59,677 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:58:59,678 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:58:59,678 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:58:59,678 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:58:59,678 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:58:59,678 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:58:59,678 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 14:58:59,678 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:58:59,678 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:58:59,679 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 14:58:59,679 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_c0a644e6-8b9b-4516-999e-752ced00e223/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 -> a844f2570635c0549a90fa68b4a0ca8e0d5c4fa4 [2018-11-18 14:58:59,703 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:58:59,712 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:58:59,715 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:58:59,716 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:58:59,717 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:58:59,717 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c0a644e6-8b9b-4516-999e-752ced00e223/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product22_true-unreach-call_false-termination.cil.c [2018-11-18 14:58:59,766 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c0a644e6-8b9b-4516-999e-752ced00e223/bin-2019/utaipan/data/382f88930/26245102eedf4f3f9aa23ed2f0b0cbdf/FLAGfe82dd742 [2018-11-18 14:59:00,163 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:59:00,163 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c0a644e6-8b9b-4516-999e-752ced00e223/sv-benchmarks/c/product-lines/minepump_spec1_product22_true-unreach-call_false-termination.cil.c [2018-11-18 14:59:00,171 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c0a644e6-8b9b-4516-999e-752ced00e223/bin-2019/utaipan/data/382f88930/26245102eedf4f3f9aa23ed2f0b0cbdf/FLAGfe82dd742 [2018-11-18 14:59:00,184 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c0a644e6-8b9b-4516-999e-752ced00e223/bin-2019/utaipan/data/382f88930/26245102eedf4f3f9aa23ed2f0b0cbdf [2018-11-18 14:59:00,187 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:59:00,188 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:59:00,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:59:00,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:59:00,193 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:59:00,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:59:00" (1/1) ... [2018-11-18 14:59:00,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c0789ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:00, skipping insertion in model container [2018-11-18 14:59:00,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:59:00" (1/1) ... [2018-11-18 14:59:00,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:59:00,239 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:59:00,447 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:59:00,457 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:59:00,582 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:59:00,600 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:59:00,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:00 WrapperNode [2018-11-18 14:59:00,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:59:00,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:59:00,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:59:00,601 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:59:00,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:00" (1/1) ... [2018-11-18 14:59:00,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:00" (1/1) ... [2018-11-18 14:59:00,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:59:00,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:59:00,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:59:00,631 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:59:00,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:00" (1/1) ... [2018-11-18 14:59:00,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:00" (1/1) ... [2018-11-18 14:59:00,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:00" (1/1) ... [2018-11-18 14:59:00,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:00" (1/1) ... [2018-11-18 14:59:00,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:00" (1/1) ... [2018-11-18 14:59:00,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:00" (1/1) ... [2018-11-18 14:59:00,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:00" (1/1) ... [2018-11-18 14:59:00,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:59:00,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:59:00,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:59:00,661 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:59:00,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c0a644e6-8b9b-4516-999e-752ced00e223/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:59:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 14:59:00,706 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 14:59:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:59:00,706 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:59:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 14:59:00,706 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 14:59:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:59:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 14:59:00,707 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 14:59:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 14:59:00,707 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 14:59:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 14:59:00,707 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 14:59:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 14:59:00,708 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 14:59:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 14:59:00,708 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 14:59:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 14:59:00,708 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 14:59:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 14:59:00,708 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 14:59:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 14:59:00,708 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 14:59:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 14:59:00,710 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 14:59:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 14:59:00,711 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 14:59:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 14:59:00,711 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 14:59:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 14:59:00,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 14:59:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 14:59:00,711 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 14:59:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 14:59:00,711 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 14:59:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 14:59:00,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 14:59:00,712 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 14:59:00,712 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 14:59:00,712 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 14:59:00,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 14:59:00,712 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 14:59:00,712 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 14:59:00,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:59:00,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:59:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 14:59:00,713 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 14:59:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 14:59:00,713 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 14:59:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:59:00,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:59:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-18 14:59:00,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-18 14:59:01,185 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:59:01,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:59:01 BoogieIcfgContainer [2018-11-18 14:59:01,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:59:01,186 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:59:01,187 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:59:01,189 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:59:01,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:59:00" (1/3) ... [2018-11-18 14:59:01,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@365b62e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:59:01, skipping insertion in model container [2018-11-18 14:59:01,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:00" (2/3) ... [2018-11-18 14:59:01,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@365b62e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:59:01, skipping insertion in model container [2018-11-18 14:59:01,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:59:01" (3/3) ... [2018-11-18 14:59:01,192 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product22_true-unreach-call_false-termination.cil.c [2018-11-18 14:59:01,201 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:59:01,208 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:59:01,219 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:59:01,239 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:59:01,239 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:59:01,239 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:59:01,239 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:59:01,239 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:59:01,239 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:59:01,239 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:59:01,239 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:59:01,256 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2018-11-18 14:59:01,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 14:59:01,263 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:59:01,263 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:59:01,265 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:59:01,270 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:59:01,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1037460326, now seen corresponding path program 1 times [2018-11-18 14:59:01,272 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:59:01,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:59:01,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:59:01,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:59:01,308 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:59:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:59:01,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:59:01,489 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:59:01,489 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 14:59:01,490 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:59:01,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 14:59:01,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 14:59:01,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 14:59:01,504 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2018-11-18 14:59:01,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:59:01,533 INFO L93 Difference]: Finished difference Result 250 states and 311 transitions. [2018-11-18 14:59:01,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 14:59:01,535 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 14:59:01,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:59:01,544 INFO L225 Difference]: With dead ends: 250 [2018-11-18 14:59:01,544 INFO L226 Difference]: Without dead ends: 125 [2018-11-18 14:59:01,547 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 14:59:01,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-11-18 14:59:01,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-11-18 14:59:01,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-18 14:59:01,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2018-11-18 14:59:01,580 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 46 [2018-11-18 14:59:01,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:59:01,581 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2018-11-18 14:59:01,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 14:59:01,581 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2018-11-18 14:59:01,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 14:59:01,583 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:59:01,583 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:59:01,583 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:59:01,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:59:01,583 INFO L82 PathProgramCache]: Analyzing trace with hash -183449939, now seen corresponding path program 1 times [2018-11-18 14:59:01,583 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:59:01,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:59:01,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:59:01,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:59:01,584 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:59:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:59:01,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:59:01,671 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:59:01,671 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:59:01,671 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:59:01,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:59:01,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:59:01,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:59:01,674 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 3 states. [2018-11-18 14:59:01,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:59:01,693 INFO L93 Difference]: Finished difference Result 193 states and 227 transitions. [2018-11-18 14:59:01,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:59:01,694 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 14:59:01,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:59:01,696 INFO L225 Difference]: With dead ends: 193 [2018-11-18 14:59:01,696 INFO L226 Difference]: Without dead ends: 115 [2018-11-18 14:59:01,698 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:59:01,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-11-18 14:59:01,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-11-18 14:59:01,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-11-18 14:59:01,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2018-11-18 14:59:01,708 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 48 [2018-11-18 14:59:01,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:59:01,709 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2018-11-18 14:59:01,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:59:01,709 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2018-11-18 14:59:01,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 14:59:01,710 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:59:01,710 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:59:01,710 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:59:01,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:59:01,710 INFO L82 PathProgramCache]: Analyzing trace with hash -139255536, now seen corresponding path program 1 times [2018-11-18 14:59:01,710 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:59:01,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:59:01,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:59:01,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:59:01,711 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:59:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:59:01,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:59:01,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:59:01,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 14:59:01,894 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:59:01,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:59:01,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:59:01,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:59:01,895 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 7 states. [2018-11-18 14:59:02,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:59:02,239 INFO L93 Difference]: Finished difference Result 206 states and 245 transitions. [2018-11-18 14:59:02,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:59:02,239 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-18 14:59:02,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:59:02,240 INFO L225 Difference]: With dead ends: 206 [2018-11-18 14:59:02,240 INFO L226 Difference]: Without dead ends: 115 [2018-11-18 14:59:02,241 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:59:02,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-11-18 14:59:02,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-11-18 14:59:02,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-11-18 14:59:02,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 133 transitions. [2018-11-18 14:59:02,249 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 133 transitions. Word has length 53 [2018-11-18 14:59:02,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:59:02,249 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 133 transitions. [2018-11-18 14:59:02,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:59:02,249 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 133 transitions. [2018-11-18 14:59:02,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 14:59:02,250 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:59:02,250 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] [2018-11-18 14:59:02,251 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:59:02,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:59:02,251 INFO L82 PathProgramCache]: Analyzing trace with hash 818353902, now seen corresponding path program 1 times [2018-11-18 14:59:02,251 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:59:02,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:59:02,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:59:02,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:59:02,252 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:59:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:59:02,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:59:02,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:59:02,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:59:02,376 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:59:02,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:59:02,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:59:02,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:59:02,377 INFO L87 Difference]: Start difference. First operand 115 states and 133 transitions. Second operand 6 states. [2018-11-18 14:59:02,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:59:02,635 INFO L93 Difference]: Finished difference Result 290 states and 348 transitions. [2018-11-18 14:59:02,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 14:59:02,636 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-11-18 14:59:02,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:59:02,640 INFO L225 Difference]: With dead ends: 290 [2018-11-18 14:59:02,640 INFO L226 Difference]: Without dead ends: 199 [2018-11-18 14:59:02,641 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:59:02,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2018-11-18 14:59:02,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 197. [2018-11-18 14:59:02,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-11-18 14:59:02,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 232 transitions. [2018-11-18 14:59:02,663 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 232 transitions. Word has length 66 [2018-11-18 14:59:02,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:59:02,664 INFO L480 AbstractCegarLoop]: Abstraction has 197 states and 232 transitions. [2018-11-18 14:59:02,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:59:02,664 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 232 transitions. [2018-11-18 14:59:02,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 14:59:02,666 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:59:02,666 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] [2018-11-18 14:59:02,667 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:59:02,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:59:02,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1976295598, now seen corresponding path program 1 times [2018-11-18 14:59:02,667 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:59:02,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:59:02,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:59:02,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:59:02,668 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:59:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:59:02,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:59:02,776 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:59:02,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 14:59:02,777 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:59:02,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:59:02,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:59:02,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:59:02,778 INFO L87 Difference]: Start difference. First operand 197 states and 232 transitions. Second operand 7 states. [2018-11-18 14:59:03,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:59:03,070 INFO L93 Difference]: Finished difference Result 305 states and 366 transitions. [2018-11-18 14:59:03,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 14:59:03,072 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-11-18 14:59:03,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:59:03,073 INFO L225 Difference]: With dead ends: 305 [2018-11-18 14:59:03,073 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 14:59:03,074 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-18 14:59:03,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 14:59:03,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 14:59:03,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 14:59:03,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:59:03,075 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2018-11-18 14:59:03,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:59:03,076 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:59:03,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:59:03,076 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:59:03,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:59:03,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 14:59:03,644 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-18 14:59:03,644 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-18 14:59:03,644 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-18 14:59:03,644 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-18 14:59:03,644 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-18 14:59:03,644 INFO L425 ceAbstractionStarter]: For program point L194-1(lines 194 201) no Hoare annotation was computed. [2018-11-18 14:59:03,644 INFO L425 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-11-18 14:59:03,645 INFO L421 ceAbstractionStarter]: At program point L191(line 191) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:59:03,645 INFO L421 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:59:03,645 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 184 206) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:59:03,645 INFO L421 ceAbstractionStarter]: At program point L190-1(line 190) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:59:03,645 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 184 206) no Hoare annotation was computed. [2018-11-18 14:59:03,645 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 184 206) no Hoare annotation was computed. [2018-11-18 14:59:03,645 INFO L421 ceAbstractionStarter]: At program point L196(line 196) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 14:59:03,645 INFO L421 ceAbstractionStarter]: At program point L196-1(line 196) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 14:59:03,645 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 201) no Hoare annotation was computed. [2018-11-18 14:59:03,646 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 792 800) no Hoare annotation was computed. [2018-11-18 14:59:03,646 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 792 800) the Hoare annotation is: true [2018-11-18 14:59:03,646 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 792 800) no Hoare annotation was computed. [2018-11-18 14:59:03,646 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 850) no Hoare annotation was computed. [2018-11-18 14:59:03,646 INFO L428 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: true [2018-11-18 14:59:03,646 INFO L425 ceAbstractionStarter]: For program point L846-2(lines 846 850) no Hoare annotation was computed. [2018-11-18 14:59:03,646 INFO L425 ceAbstractionStarter]: For program point L844-1(line 844) no Hoare annotation was computed. [2018-11-18 14:59:03,646 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 837 855) the Hoare annotation is: true [2018-11-18 14:59:03,646 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 837 855) no Hoare annotation was computed. [2018-11-18 14:59:03,646 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 837 855) no Hoare annotation was computed. [2018-11-18 14:59:03,646 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-18 14:59:03,646 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-18 14:59:03,647 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 174 183) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:59:03,647 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 174 183) no Hoare annotation was computed. [2018-11-18 14:59:03,647 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 174 183) no Hoare annotation was computed. [2018-11-18 14:59:03,647 INFO L425 ceAbstractionStarter]: For program point L786-1(line 786) no Hoare annotation was computed. [2018-11-18 14:59:03,647 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 781 791) the Hoare annotation is: true [2018-11-18 14:59:03,647 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 781 791) no Hoare annotation was computed. [2018-11-18 14:59:03,647 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 781 791) no Hoare annotation was computed. [2018-11-18 14:59:03,647 INFO L428 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: true [2018-11-18 14:59:03,647 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 773 780) the Hoare annotation is: true [2018-11-18 14:59:03,647 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 773 780) no Hoare annotation was computed. [2018-11-18 14:59:03,647 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 773 780) no Hoare annotation was computed. [2018-11-18 14:59:03,647 INFO L421 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 14:59:03,648 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 740 764) no Hoare annotation was computed. [2018-11-18 14:59:03,648 INFO L425 ceAbstractionStarter]: For program point L759-1(lines 740 764) no Hoare annotation was computed. [2018-11-18 14:59:03,648 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 740 764) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 14:59:03,648 INFO L421 ceAbstractionStarter]: At program point L754(line 754) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 14:59:03,648 INFO L421 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 14:59:03,648 INFO L425 ceAbstractionStarter]: For program point L748(lines 748 756) no Hoare annotation was computed. [2018-11-18 14:59:03,648 INFO L421 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 14:59:03,648 INFO L425 ceAbstractionStarter]: For program point L746-1(line 746) no Hoare annotation was computed. [2018-11-18 14:59:03,648 INFO L425 ceAbstractionStarter]: For program point L744(lines 744 761) no Hoare annotation was computed. [2018-11-18 14:59:03,648 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 706 712) no Hoare annotation was computed. [2018-11-18 14:59:03,648 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 706 712) the Hoare annotation is: true [2018-11-18 14:59:03,649 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 865 930) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:59:03,649 INFO L421 ceAbstractionStarter]: At program point L923(lines 874 924) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:59:03,649 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 865 930) no Hoare annotation was computed. [2018-11-18 14:59:03,649 INFO L425 ceAbstractionStarter]: For program point L913(lines 913 917) no Hoare annotation was computed. [2018-11-18 14:59:03,649 INFO L421 ceAbstractionStarter]: At program point L913-2(lines 905 918) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 14:59:03,649 INFO L425 ceAbstractionStarter]: For program point L876(lines 875 922) no Hoare annotation was computed. [2018-11-18 14:59:03,649 INFO L421 ceAbstractionStarter]: At program point L907(line 907) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 14:59:03,649 INFO L425 ceAbstractionStarter]: For program point L905(lines 905 918) no Hoare annotation was computed. [2018-11-18 14:59:03,649 INFO L421 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 14:59:03,650 INFO L425 ceAbstractionStarter]: For program point L895(lines 895 901) no Hoare annotation was computed. [2018-11-18 14:59:03,650 INFO L425 ceAbstractionStarter]: For program point L895-1(lines 895 901) no Hoare annotation was computed. [2018-11-18 14:59:03,650 INFO L421 ceAbstractionStarter]: At program point L920(lines 875 922) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 14:59:03,650 INFO L421 ceAbstractionStarter]: At program point L887(line 887) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 14:59:03,650 INFO L425 ceAbstractionStarter]: For program point L885(lines 885 891) no Hoare annotation was computed. [2018-11-18 14:59:03,650 INFO L425 ceAbstractionStarter]: For program point L885-1(lines 885 891) no Hoare annotation was computed. [2018-11-18 14:59:03,650 INFO L425 ceAbstractionStarter]: For program point L877(lines 877 881) no Hoare annotation was computed. [2018-11-18 14:59:03,650 INFO L425 ceAbstractionStarter]: For program point L875-1(lines 875 922) no Hoare annotation was computed. [2018-11-18 14:59:03,650 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 865 930) no Hoare annotation was computed. [2018-11-18 14:59:03,650 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 666 674) no Hoare annotation was computed. [2018-11-18 14:59:03,650 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 666 674) the Hoare annotation is: true [2018-11-18 14:59:03,650 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 666 674) no Hoare annotation was computed. [2018-11-18 14:59:03,651 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:59:03,651 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 14:59:03,651 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:59:03,651 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 613 624) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:59:03,651 INFO L425 ceAbstractionStarter]: For program point L617-1(lines 613 624) no Hoare annotation was computed. [2018-11-18 14:59:03,651 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 613 624) no Hoare annotation was computed. [2018-11-18 14:59:03,651 INFO L421 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 14:59:03,651 INFO L421 ceAbstractionStarter]: At program point L693(lines 693 699) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 14:59:03,651 INFO L421 ceAbstractionStarter]: At program point L688(line 688) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 14:59:03,652 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 682 705) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 14:59:03,652 INFO L425 ceAbstractionStarter]: For program point L686(lines 685 704) no Hoare annotation was computed. [2018-11-18 14:59:03,652 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 682 705) no Hoare annotation was computed. [2018-11-18 14:59:03,652 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 682 705) no Hoare annotation was computed. [2018-11-18 14:59:03,652 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 109 138) no Hoare annotation was computed. [2018-11-18 14:59:03,652 INFO L425 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-11-18 14:59:03,652 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 109 138) the Hoare annotation is: true [2018-11-18 14:59:03,652 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2018-11-18 14:59:03,652 INFO L428 ceAbstractionStarter]: At program point L123-1(lines 123 127) the Hoare annotation is: true [2018-11-18 14:59:03,652 INFO L425 ceAbstractionStarter]: For program point L119-1(lines 119 133) no Hoare annotation was computed. [2018-11-18 14:59:03,652 INFO L428 ceAbstractionStarter]: At program point L119-3(lines 119 133) the Hoare annotation is: true [2018-11-18 14:59:03,653 INFO L428 ceAbstractionStarter]: At program point L115(line 115) the Hoare annotation is: true [2018-11-18 14:59:03,653 INFO L425 ceAbstractionStarter]: For program point L115-1(line 115) no Hoare annotation was computed. [2018-11-18 14:59:03,653 INFO L428 ceAbstractionStarter]: At program point L134(lines 109 138) the Hoare annotation is: true [2018-11-18 14:59:03,653 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 14:59:03,653 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 625 633) the Hoare annotation is: true [2018-11-18 14:59:03,653 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 625 633) no Hoare annotation was computed. [2018-11-18 14:59:03,653 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 625 633) no Hoare annotation was computed. [2018-11-18 14:59:03,653 INFO L425 ceAbstractionStarter]: For program point L593-1(lines 589 600) no Hoare annotation was computed. [2018-11-18 14:59:03,653 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 589 600) the Hoare annotation is: true [2018-11-18 14:59:03,653 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 589 600) no Hoare annotation was computed. [2018-11-18 14:59:03,653 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 166 172) no Hoare annotation was computed. [2018-11-18 14:59:03,654 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 166 172) the Hoare annotation is: true [2018-11-18 14:59:03,654 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:59:03,654 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-18 14:59:03,654 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:59:03,654 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:59:03,654 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 856 863) no Hoare annotation was computed. [2018-11-18 14:59:03,654 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 856 863) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))) [2018-11-18 14:59:03,654 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 856 863) no Hoare annotation was computed. [2018-11-18 14:59:03,654 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 601 612) no Hoare annotation was computed. [2018-11-18 14:59:03,654 INFO L425 ceAbstractionStarter]: For program point L605-1(lines 601 612) no Hoare annotation was computed. [2018-11-18 14:59:03,654 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 601 612) the Hoare annotation is: true [2018-11-18 14:59:03,655 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 574 581) no Hoare annotation was computed. [2018-11-18 14:59:03,655 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2018-11-18 14:59:03,655 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 574 581) the Hoare annotation is: true [2018-11-18 14:59:03,655 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 574 581) no Hoare annotation was computed. [2018-11-18 14:59:03,655 INFO L421 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-18 14:59:03,655 INFO L425 ceAbstractionStarter]: For program point L93(lines 93 99) no Hoare annotation was computed. [2018-11-18 14:59:03,655 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 81 105) the Hoare annotation is: true [2018-11-18 14:59:03,655 INFO L421 ceAbstractionStarter]: At program point L91(line 91) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 14:59:03,655 INFO L425 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2018-11-18 14:59:03,655 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 102) no Hoare annotation was computed. [2018-11-18 14:59:03,655 INFO L425 ceAbstractionStarter]: For program point L89-1(lines 81 105) no Hoare annotation was computed. [2018-11-18 14:59:03,656 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 81 105) no Hoare annotation was computed. [2018-11-18 14:59:03,656 INFO L428 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: true [2018-11-18 14:59:03,656 INFO L425 ceAbstractionStarter]: For program point L87-1(line 87) no Hoare annotation was computed. [2018-11-18 14:59:03,656 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 714 738) no Hoare annotation was computed. [2018-11-18 14:59:03,656 INFO L421 ceAbstractionStarter]: At program point L733(line 733) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 14:59:03,656 INFO L425 ceAbstractionStarter]: For program point L733-1(lines 714 738) no Hoare annotation was computed. [2018-11-18 14:59:03,656 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 714 738) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 14:59:03,656 INFO L421 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 14:59:03,656 INFO L421 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 14:59:03,656 INFO L425 ceAbstractionStarter]: For program point L722(lines 722 730) no Hoare annotation was computed. [2018-11-18 14:59:03,656 INFO L421 ceAbstractionStarter]: At program point L720(line 720) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 14:59:03,657 INFO L425 ceAbstractionStarter]: For program point L720-1(line 720) no Hoare annotation was computed. [2018-11-18 14:59:03,657 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 735) no Hoare annotation was computed. [2018-11-18 14:59:03,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:59:03 BoogieIcfgContainer [2018-11-18 14:59:03,666 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:59:03,667 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:59:03,667 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:59:03,667 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:59:03,668 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:59:01" (3/4) ... [2018-11-18 14:59:03,671 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:59:03,676 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 14:59:03,676 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 14:59:03,676 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 14:59:03,676 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 14:59:03,677 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 14:59:03,677 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 14:59:03,677 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 14:59:03,677 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 14:59:03,677 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 14:59:03,677 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 14:59:03,677 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 14:59:03,677 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 14:59:03,677 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 14:59:03,677 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 14:59:03,677 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 14:59:03,677 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 14:59:03,677 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 14:59:03,677 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 14:59:03,678 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 14:59:03,678 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 14:59:03,678 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 14:59:03,678 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 14:59:03,678 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 14:59:03,678 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-18 14:59:03,678 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 14:59:03,685 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-11-18 14:59:03,685 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 14:59:03,685 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 14:59:03,706 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) [2018-11-18 14:59:03,706 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 14:59:03,741 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c0a644e6-8b9b-4516-999e-752ced00e223/bin-2019/utaipan/witness.graphml [2018-11-18 14:59:03,741 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:59:03,742 INFO L168 Benchmark]: Toolchain (without parser) took 3554.21 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 249.0 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -192.3 MB). Peak memory consumption was 56.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:59:03,742 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:59:03,743 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -209.5 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:59:03,743 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:59:03,743 INFO L168 Benchmark]: Boogie Preprocessor took 29.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:59:03,743 INFO L168 Benchmark]: RCFGBuilder took 525.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 62.6 MB). Peak memory consumption was 62.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:59:03,743 INFO L168 Benchmark]: TraceAbstraction took 2480.17 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 75.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -54.2 MB). Peak memory consumption was 267.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:59:03,744 INFO L168 Benchmark]: Witness Printer took 74.25 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. [2018-11-18 14:59:03,745 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 411.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -209.5 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 525.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 62.6 MB). Peak memory consumption was 62.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2480.17 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 75.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -54.2 MB). Peak memory consumption was 267.6 MB. Max. memory is 11.5 GB. * Witness Printer took 74.25 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 578]: 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: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 138 locations, 1 error locations. SAFE Result, 2.4s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 637 SDtfs, 303 SDslu, 1008 SDs, 0 SdLazy, 359 SolverSat, 66 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=197occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 325 PreInvPairs, 340 NumberOfFragments, 552 HoareAnnotationTreeSize, 325 FomulaSimplifications, 85 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 58 FomulaSimplificationsInter, 816 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 283 NumberOfCodeBlocks, 283 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 278 ConstructedInterpolants, 0 QuantifiedInterpolants, 31046 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...