./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_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_767f6fe1-a640-4578-ab79-96bcbe6c176e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_767f6fe1-a640-4578-ab79-96bcbe6c176e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_767f6fe1-a640-4578-ab79-96bcbe6c176e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_767f6fe1-a640-4578-ab79-96bcbe6c176e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product30_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_767f6fe1-a640-4578-ab79-96bcbe6c176e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_767f6fe1-a640-4578-ab79-96bcbe6c176e/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 06e9efb7ee4abc37e21a919ff8d0a93ec8f3ff5c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:31:20,632 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:31:20,634 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:31:20,644 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:31:20,644 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:31:20,645 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:31:20,647 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:31:20,649 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:31:20,651 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:31:20,652 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:31:20,653 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:31:20,653 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:31:20,654 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:31:20,655 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:31:20,657 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:31:20,658 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:31:20,659 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:31:20,661 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:31:20,663 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:31:20,665 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:31:20,666 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:31:20,667 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:31:20,670 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:31:20,670 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:31:20,670 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:31:20,671 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:31:20,673 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:31:20,674 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:31:20,674 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:31:20,675 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:31:20,676 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:31:20,677 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:31:20,677 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:31:20,678 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:31:20,679 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:31:20,679 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:31:20,680 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_767f6fe1-a640-4578-ab79-96bcbe6c176e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 23:31:20,694 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:31:20,694 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:31:20,695 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:31:20,695 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 23:31:20,695 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 23:31:20,695 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 23:31:20,696 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 23:31:20,696 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 23:31:20,696 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 23:31:20,696 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 23:31:20,697 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 23:31:20,698 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:31:20,698 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:31:20,699 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:31:20,699 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:31:20,699 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:31:20,699 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:31:20,699 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:31:20,699 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:31:20,700 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:31:20,700 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:31:20,700 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:31:20,700 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:31:20,700 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 23:31:20,701 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:31:20,701 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 23:31:20,701 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:31:20,701 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:31:20,701 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:31:20,702 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:31:20,702 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 23:31:20,702 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:31:20,702 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:31:20,702 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 23:31:20,702 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_767f6fe1-a640-4578-ab79-96bcbe6c176e/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 -> 06e9efb7ee4abc37e21a919ff8d0a93ec8f3ff5c [2018-10-26 23:31:20,745 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:31:20,762 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:31:20,766 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:31:20,772 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:31:20,772 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:31:20,773 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_767f6fe1-a640-4578-ab79-96bcbe6c176e/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product30_true-unreach-call_false-termination.cil.c [2018-10-26 23:31:20,826 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_767f6fe1-a640-4578-ab79-96bcbe6c176e/bin-2019/utaipan/data/fa161e5e9/5edbe9fa31d6474e8e314512ca770d33/FLAG9359e5e2c [2018-10-26 23:31:21,279 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:31:21,280 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_767f6fe1-a640-4578-ab79-96bcbe6c176e/sv-benchmarks/c/product-lines/minepump_spec2_product30_true-unreach-call_false-termination.cil.c [2018-10-26 23:31:21,297 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_767f6fe1-a640-4578-ab79-96bcbe6c176e/bin-2019/utaipan/data/fa161e5e9/5edbe9fa31d6474e8e314512ca770d33/FLAG9359e5e2c [2018-10-26 23:31:21,323 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_767f6fe1-a640-4578-ab79-96bcbe6c176e/bin-2019/utaipan/data/fa161e5e9/5edbe9fa31d6474e8e314512ca770d33 [2018-10-26 23:31:21,330 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:31:21,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:31:21,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:31:21,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:31:21,339 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:31:21,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:31:21" (1/1) ... [2018-10-26 23:31:21,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@584914b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:31:21, skipping insertion in model container [2018-10-26 23:31:21,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:31:21" (1/1) ... [2018-10-26 23:31:21,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:31:21,404 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:31:21,746 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:31:21,764 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:31:21,835 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:31:21,867 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:31:21,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:31:21 WrapperNode [2018-10-26 23:31:21,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:31:21,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:31:21,869 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:31:21,869 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:31:21,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:31:21" (1/1) ... [2018-10-26 23:31:21,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:31:21" (1/1) ... [2018-10-26 23:31:22,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:31:22,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:31:22,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:31:22,047 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:31:22,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:31:21" (1/1) ... [2018-10-26 23:31:22,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:31:21" (1/1) ... [2018-10-26 23:31:22,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:31:21" (1/1) ... [2018-10-26 23:31:22,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:31:21" (1/1) ... [2018-10-26 23:31:22,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:31:21" (1/1) ... [2018-10-26 23:31:22,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:31:21" (1/1) ... [2018-10-26 23:31:22,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:31:21" (1/1) ... [2018-10-26 23:31:22,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:31:22,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:31:22,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:31:22,111 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:31:22,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:31:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_767f6fe1-a640-4578-ab79-96bcbe6c176e/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 [2018-10-26 23:31:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-26 23:31:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-26 23:31:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 23:31:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 23:31:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-10-26 23:31:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-10-26 23:31:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-26 23:31:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-26 23:31:22,186 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-26 23:31:22,187 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-26 23:31:22,187 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 23:31:22,187 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 23:31:22,187 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-26 23:31:22,187 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-26 23:31:22,187 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-10-26 23:31:22,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-10-26 23:31:22,188 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-10-26 23:31:22,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-10-26 23:31:22,188 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-10-26 23:31:22,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-10-26 23:31:22,188 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 23:31:22,189 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 23:31:22,189 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 23:31:22,189 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 23:31:22,189 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 23:31:22,189 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 23:31:22,189 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-26 23:31:22,190 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-26 23:31:22,192 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-10-26 23:31:22,193 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-10-26 23:31:22,193 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 23:31:22,193 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 23:31:22,193 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-26 23:31:22,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-26 23:31:22,193 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-26 23:31:22,193 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-26 23:31:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-10-26 23:31:22,194 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-10-26 23:31:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-26 23:31:22,194 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-26 23:31:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-26 23:31:22,194 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-26 23:31:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-10-26 23:31:22,195 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-10-26 23:31:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 23:31:22,195 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 23:31:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 23:31:22,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 23:31:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 23:31:22,196 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 23:31:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:31:22,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:31:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-26 23:31:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-26 23:31:23,514 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:31:23,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:31:23 BoogieIcfgContainer [2018-10-26 23:31:23,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:31:23,515 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 23:31:23,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 23:31:23,519 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 23:31:23,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 11:31:21" (1/3) ... [2018-10-26 23:31:23,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eff4a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:31:23, skipping insertion in model container [2018-10-26 23:31:23,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:31:21" (2/3) ... [2018-10-26 23:31:23,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eff4a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:31:23, skipping insertion in model container [2018-10-26 23:31:23,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:31:23" (3/3) ... [2018-10-26 23:31:23,523 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product30_true-unreach-call_false-termination.cil.c [2018-10-26 23:31:23,546 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 23:31:23,559 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 23:31:23,596 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 23:31:23,664 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 23:31:23,664 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 23:31:23,664 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 23:31:23,664 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 23:31:23,665 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 23:31:23,665 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 23:31:23,665 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 23:31:23,665 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 23:31:23,688 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-10-26 23:31:23,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-26 23:31:23,698 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:31:23,699 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] [2018-10-26 23:31:23,702 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:31:23,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:31:23,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1029794979, now seen corresponding path program 1 times [2018-10-26 23:31:23,711 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:31:23,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:31:23,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:31:23,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:31:23,804 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:31:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:31:24,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:31:24,105 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:31:24,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 23:31:24,105 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:31:24,111 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 23:31:24,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 23:31:24,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 23:31:24,126 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2018-10-26 23:31:24,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:31:24,167 INFO L93 Difference]: Finished difference Result 256 states and 319 transitions. [2018-10-26 23:31:24,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 23:31:24,169 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-10-26 23:31:24,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:31:24,183 INFO L225 Difference]: With dead ends: 256 [2018-10-26 23:31:24,183 INFO L226 Difference]: Without dead ends: 130 [2018-10-26 23:31:24,188 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 [2018-10-26 23:31:24,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-10-26 23:31:24,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-10-26 23:31:24,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-10-26 23:31:24,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 153 transitions. [2018-10-26 23:31:24,243 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 153 transitions. Word has length 51 [2018-10-26 23:31:24,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:31:24,244 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 153 transitions. [2018-10-26 23:31:24,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 23:31:24,244 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 153 transitions. [2018-10-26 23:31:24,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 23:31:24,248 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:31:24,248 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] [2018-10-26 23:31:24,248 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:31:24,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:31:24,249 INFO L82 PathProgramCache]: Analyzing trace with hash -957143236, now seen corresponding path program 1 times [2018-10-26 23:31:24,249 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:31:24,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:31:24,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:31:24,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:31:24,251 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:31:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:31:24,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:31:24,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:31:24,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 23:31:24,417 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:31:24,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 23:31:24,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 23:31:24,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:31:24,426 INFO L87 Difference]: Start difference. First operand 130 states and 153 transitions. Second operand 3 states. [2018-10-26 23:31:24,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:31:24,482 INFO L93 Difference]: Finished difference Result 199 states and 235 transitions. [2018-10-26 23:31:24,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 23:31:24,485 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-10-26 23:31:24,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:31:24,487 INFO L225 Difference]: With dead ends: 199 [2018-10-26 23:31:24,488 INFO L226 Difference]: Without dead ends: 120 [2018-10-26 23:31:24,491 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 [2018-10-26 23:31:24,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-10-26 23:31:24,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-10-26 23:31:24,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-10-26 23:31:24,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2018-10-26 23:31:24,512 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 53 [2018-10-26 23:31:24,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:31:24,512 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2018-10-26 23:31:24,512 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 23:31:24,513 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2018-10-26 23:31:24,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-26 23:31:24,515 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:31:24,515 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:31:24,515 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:31:24,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:31:24,516 INFO L82 PathProgramCache]: Analyzing trace with hash -339472139, now seen corresponding path program 1 times [2018-10-26 23:31:24,516 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:31:24,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:31:24,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:31:24,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:31:24,518 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:31:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:31:24,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:31:24,767 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:31:24,767 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 23:31:24,768 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:31:24,768 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 23:31:24,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 23:31:24,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 23:31:24,769 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 7 states. [2018-10-26 23:31:25,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:31:25,601 INFO L93 Difference]: Finished difference Result 212 states and 253 transitions. [2018-10-26 23:31:25,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 23:31:25,602 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-10-26 23:31:25,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:31:25,604 INFO L225 Difference]: With dead ends: 212 [2018-10-26 23:31:25,604 INFO L226 Difference]: Without dead ends: 120 [2018-10-26 23:31:25,605 INFO L605 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 [2018-10-26 23:31:25,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-10-26 23:31:25,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-10-26 23:31:25,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-10-26 23:31:25,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2018-10-26 23:31:25,622 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 58 [2018-10-26 23:31:25,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:31:25,623 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2018-10-26 23:31:25,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 23:31:25,623 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2018-10-26 23:31:25,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-26 23:31:25,629 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:31:25,629 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, 1] [2018-10-26 23:31:25,629 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:31:25,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:31:25,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1110739564, now seen corresponding path program 1 times [2018-10-26 23:31:25,630 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:31:25,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:31:25,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:31:25,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:31:25,631 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:31:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:31:25,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:31:25,929 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:31:25,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 23:31:25,930 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:31:25,930 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 23:31:25,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 23:31:25,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 23:31:25,931 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand 6 states. [2018-10-26 23:31:26,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:31:26,422 INFO L93 Difference]: Finished difference Result 296 states and 356 transitions. [2018-10-26 23:31:26,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 23:31:26,422 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2018-10-26 23:31:26,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:31:26,426 INFO L225 Difference]: With dead ends: 296 [2018-10-26 23:31:26,426 INFO L226 Difference]: Without dead ends: 204 [2018-10-26 23:31:26,427 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-26 23:31:26,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-10-26 23:31:26,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 202. [2018-10-26 23:31:26,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-10-26 23:31:26,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 238 transitions. [2018-10-26 23:31:26,466 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 238 transitions. Word has length 71 [2018-10-26 23:31:26,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:31:26,466 INFO L481 AbstractCegarLoop]: Abstraction has 202 states and 238 transitions. [2018-10-26 23:31:26,466 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 23:31:26,467 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 238 transitions. [2018-10-26 23:31:26,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-26 23:31:26,477 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:31:26,477 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, 1, 1, 1, 1, 1] [2018-10-26 23:31:26,477 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:31:26,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:31:26,478 INFO L82 PathProgramCache]: Analyzing trace with hash 423065584, now seen corresponding path program 1 times [2018-10-26 23:31:26,478 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:31:26,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:31:26,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:31:26,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:31:26,479 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:31:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:31:26,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:31:26,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:31:26,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 23:31:26,978 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:31:26,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 23:31:26,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 23:31:26,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 23:31:26,979 INFO L87 Difference]: Start difference. First operand 202 states and 238 transitions. Second operand 7 states. [2018-10-26 23:31:27,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:31:27,530 INFO L93 Difference]: Finished difference Result 310 states and 373 transitions. [2018-10-26 23:31:27,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 23:31:27,531 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2018-10-26 23:31:27,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:31:27,532 INFO L225 Difference]: With dead ends: 310 [2018-10-26 23:31:27,532 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 23:31:27,534 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-10-26 23:31:27,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 23:31:27,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 23:31:27,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 23:31:27,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 23:31:27,535 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 75 [2018-10-26 23:31:27,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:31:27,536 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 23:31:27,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 23:31:27,536 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 23:31:27,536 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 23:31:27,542 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 23:31:27,978 WARN L179 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 9 [2018-10-26 23:31:28,389 WARN L179 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 11 [2018-10-26 23:31:28,813 WARN L179 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2018-10-26 23:31:29,177 WARN L179 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2018-10-26 23:31:29,677 WARN L179 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2018-10-26 23:31:30,134 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 427 433) the Hoare annotation is: true [2018-10-26 23:31:30,134 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 427 433) no Hoare annotation was computed. [2018-10-26 23:31:30,134 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 434 442) no Hoare annotation was computed. [2018-10-26 23:31:30,135 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 434 442) the Hoare annotation is: true [2018-10-26 23:31:30,135 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 434 442) no Hoare annotation was computed. [2018-10-26 23:31:30,135 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 523 545) 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))) [2018-10-26 23:31:30,135 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 523 545) no Hoare annotation was computed. [2018-10-26 23:31:30,135 INFO L421 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-10-26 23:31:30,135 INFO L421 ceAbstractionStarter]: At program point L535-1(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-10-26 23:31:30,135 INFO L425 ceAbstractionStarter]: For program point L533(lines 533 540) no Hoare annotation was computed. [2018-10-26 23:31:30,135 INFO L425 ceAbstractionStarter]: For program point L533-1(lines 533 540) no Hoare annotation was computed. [2018-10-26 23:31:30,136 INFO L425 ceAbstractionStarter]: For program point L531(line 531) no Hoare annotation was computed. [2018-10-26 23:31:30,136 INFO L421 ceAbstractionStarter]: At program point L530(line 530) 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))) [2018-10-26 23:31:30,136 INFO L421 ceAbstractionStarter]: At program point L529(line 529) 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))) [2018-10-26 23:31:30,140 INFO L421 ceAbstractionStarter]: At program point L529-1(line 529) 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))) [2018-10-26 23:31:30,140 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 523 545) no Hoare annotation was computed. [2018-10-26 23:31:30,140 INFO L421 ceAbstractionStarter]: At program point L767(line 767) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 23:31:30,140 INFO L425 ceAbstractionStarter]: For program point L767-1(lines 748 772) no Hoare annotation was computed. [2018-10-26 23:31:30,140 INFO L421 ceAbstractionStarter]: At program point L762(line 762) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 23:31:30,141 INFO L421 ceAbstractionStarter]: At program point L758(line 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 23:31:30,141 INFO L425 ceAbstractionStarter]: For program point L756(lines 756 764) no Hoare annotation was computed. [2018-10-26 23:31:30,141 INFO L421 ceAbstractionStarter]: At program point L754(line 754) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 23:31:30,141 INFO L425 ceAbstractionStarter]: For program point L754-1(line 754) no Hoare annotation was computed. [2018-10-26 23:31:30,141 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 748 772) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 23:31:30,141 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 769) no Hoare annotation was computed. [2018-10-26 23:31:30,141 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 748 772) no Hoare annotation was computed. [2018-10-26 23:31:30,141 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 843 851) no Hoare annotation was computed. [2018-10-26 23:31:30,142 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 843 851) the Hoare annotation is: true [2018-10-26 23:31:30,142 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 843 851) no Hoare annotation was computed. [2018-10-26 23:31:30,142 INFO L425 ceAbstractionStarter]: For program point L897(lines 897 901) no Hoare annotation was computed. [2018-10-26 23:31:30,142 INFO L428 ceAbstractionStarter]: At program point L895(line 895) the Hoare annotation is: true [2018-10-26 23:31:30,142 INFO L425 ceAbstractionStarter]: For program point L897-2(lines 897 901) no Hoare annotation was computed. [2018-10-26 23:31:30,142 INFO L425 ceAbstractionStarter]: For program point L895-1(line 895) no Hoare annotation was computed. [2018-10-26 23:31:30,142 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 888 906) the Hoare annotation is: true [2018-10-26 23:31:30,142 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 888 906) no Hoare annotation was computed. [2018-10-26 23:31:30,142 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 888 906) no Hoare annotation was computed. [2018-10-26 23:31:30,142 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 420 426) no Hoare annotation was computed. [2018-10-26 23:31:30,143 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 420 426) the Hoare annotation is: true [2018-10-26 23:31:30,143 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 512 522) 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))) [2018-10-26 23:31:30,143 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 512 522) no Hoare annotation was computed. [2018-10-26 23:31:30,143 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 512 522) no Hoare annotation was computed. [2018-10-26 23:31:30,143 INFO L421 ceAbstractionStarter]: At program point L517(line 517) 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))) [2018-10-26 23:31:30,143 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 832 842) the Hoare annotation is: true [2018-10-26 23:31:30,143 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 832 842) no Hoare annotation was computed. [2018-10-26 23:31:30,143 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 832 842) no Hoare annotation was computed. [2018-10-26 23:31:30,143 INFO L428 ceAbstractionStarter]: At program point L837(line 837) the Hoare annotation is: true [2018-10-26 23:31:30,144 INFO L425 ceAbstractionStarter]: For program point L837-1(line 837) no Hoare annotation was computed. [2018-10-26 23:31:30,144 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 824 831) the Hoare annotation is: true [2018-10-26 23:31:30,144 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 824 831) no Hoare annotation was computed. [2018-10-26 23:31:30,144 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 824 831) no Hoare annotation was computed. [2018-10-26 23:31:30,144 INFO L421 ceAbstractionStarter]: At program point L793(line 793) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 23:31:30,144 INFO L425 ceAbstractionStarter]: For program point L793-1(lines 774 798) no Hoare annotation was computed. [2018-10-26 23:31:30,144 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 774 798) no Hoare annotation was computed. [2018-10-26 23:31:30,144 INFO L421 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 23:31:30,144 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 774 798) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 23:31:30,145 INFO L421 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 23:31:30,145 INFO L425 ceAbstractionStarter]: For program point L782(lines 782 790) no Hoare annotation was computed. [2018-10-26 23:31:30,145 INFO L421 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 23:31:30,145 INFO L425 ceAbstractionStarter]: For program point L780-1(line 780) no Hoare annotation was computed. [2018-10-26 23:31:30,145 INFO L425 ceAbstractionStarter]: For program point L778(lines 778 795) no Hoare annotation was computed. [2018-10-26 23:31:30,145 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 740 746) no Hoare annotation was computed. [2018-10-26 23:31:30,145 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 740 746) the Hoare annotation is: true [2018-10-26 23:31:30,145 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 642 707) 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))) [2018-10-26 23:31:30,146 INFO L421 ceAbstractionStarter]: At program point L700(lines 651 701) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 23:31:30,146 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 642 707) no Hoare annotation was computed. [2018-10-26 23:31:30,146 INFO L425 ceAbstractionStarter]: For program point L690(lines 690 694) no Hoare annotation was computed. [2018-10-26 23:31:30,146 INFO L421 ceAbstractionStarter]: At program point L690-2(lines 682 695) 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))) [2018-10-26 23:31:30,146 INFO L425 ceAbstractionStarter]: For program point L653(lines 652 699) no Hoare annotation was computed. [2018-10-26 23:31:30,146 INFO L421 ceAbstractionStarter]: At program point L684(line 684) 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))) [2018-10-26 23:31:30,146 INFO L425 ceAbstractionStarter]: For program point L682(lines 682 695) no Hoare annotation was computed. [2018-10-26 23:31:30,146 INFO L421 ceAbstractionStarter]: At program point L674(line 674) 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))) [2018-10-26 23:31:30,146 INFO L425 ceAbstractionStarter]: For program point L672(lines 672 678) no Hoare annotation was computed. [2018-10-26 23:31:30,147 INFO L425 ceAbstractionStarter]: For program point L672-1(lines 672 678) no Hoare annotation was computed. [2018-10-26 23:31:30,147 INFO L421 ceAbstractionStarter]: At program point L697(lines 652 699) 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))) [2018-10-26 23:31:30,147 INFO L421 ceAbstractionStarter]: At program point L664(line 664) 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))) [2018-10-26 23:31:30,147 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 668) no Hoare annotation was computed. [2018-10-26 23:31:30,147 INFO L425 ceAbstractionStarter]: For program point L662-1(lines 662 668) no Hoare annotation was computed. [2018-10-26 23:31:30,147 INFO L425 ceAbstractionStarter]: For program point L654(lines 654 658) no Hoare annotation was computed. [2018-10-26 23:31:30,147 INFO L425 ceAbstractionStarter]: For program point L652-1(lines 652 699) no Hoare annotation was computed. [2018-10-26 23:31:30,147 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 642 707) no Hoare annotation was computed. [2018-10-26 23:31:30,148 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 631 639) no Hoare annotation was computed. [2018-10-26 23:31:30,148 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 631 639) the Hoare annotation is: true [2018-10-26 23:31:30,148 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 631 639) no Hoare annotation was computed. [2018-10-26 23:31:30,148 INFO L421 ceAbstractionStarter]: At program point L949(line 949) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-10-26 23:31:30,148 INFO L425 ceAbstractionStarter]: For program point L947(lines 947 953) no Hoare annotation was computed. [2018-10-26 23:31:30,148 INFO L425 ceAbstractionStarter]: For program point L946(lines 946 956) no Hoare annotation was computed. [2018-10-26 23:31:30,148 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 934 962) the Hoare annotation is: true [2018-10-26 23:31:30,149 INFO L421 ceAbstractionStarter]: At program point L944(line 944) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-10-26 23:31:30,149 INFO L425 ceAbstractionStarter]: For program point L944-1(line 944) no Hoare annotation was computed. [2018-10-26 23:31:30,149 INFO L425 ceAbstractionStarter]: For program point L942(lines 942 959) no Hoare annotation was computed. [2018-10-26 23:31:30,149 INFO L425 ceAbstractionStarter]: For program point L942-1(lines 934 962) no Hoare annotation was computed. [2018-10-26 23:31:30,149 INFO L428 ceAbstractionStarter]: At program point L940(line 940) the Hoare annotation is: true [2018-10-26 23:31:30,149 INFO L425 ceAbstractionStarter]: For program point L940-1(line 940) no Hoare annotation was computed. [2018-10-26 23:31:30,149 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 934 962) no Hoare annotation was computed. [2018-10-26 23:31:30,149 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 926 933) the Hoare annotation is: true [2018-10-26 23:31:30,149 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 926 933) no Hoare annotation was computed. [2018-10-26 23:31:30,149 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 926 933) no Hoare annotation was computed. [2018-10-26 23:31:30,150 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 23:31:30,150 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-10-26 23:31:30,150 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 23:31:30,150 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 578 589) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 23:31:30,150 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 578 589) no Hoare annotation was computed. [2018-10-26 23:31:30,150 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 578 589) no Hoare annotation was computed. [2018-10-26 23:31:30,150 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2018-10-26 23:31:30,150 INFO L428 ceAbstractionStarter]: At program point L471(lines 446 475) the Hoare annotation is: true [2018-10-26 23:31:30,150 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-10-26 23:31:30,150 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-10-26 23:31:30,151 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2018-10-26 23:31:30,151 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 464) no Hoare annotation was computed. [2018-10-26 23:31:30,151 INFO L428 ceAbstractionStarter]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2018-10-26 23:31:30,151 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 456 470) no Hoare annotation was computed. [2018-10-26 23:31:30,151 INFO L428 ceAbstractionStarter]: At program point L456-3(lines 456 470) the Hoare annotation is: true [2018-10-26 23:31:30,151 INFO L428 ceAbstractionStarter]: At program point L452(line 452) the Hoare annotation is: true [2018-10-26 23:31:30,151 INFO L425 ceAbstractionStarter]: For program point L452-1(line 452) no Hoare annotation was computed. [2018-10-26 23:31:30,151 INFO L421 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 23:31:30,152 INFO L421 ceAbstractionStarter]: At program point L727(lines 727 733) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 23:31:30,152 INFO L421 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 23:31:30,152 INFO L425 ceAbstractionStarter]: For program point L720(lines 719 738) no Hoare annotation was computed. [2018-10-26 23:31:30,152 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 716 739) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 23:31:30,152 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 716 739) no Hoare annotation was computed. [2018-10-26 23:31:30,152 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 716 739) no Hoare annotation was computed. [2018-10-26 23:31:30,152 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 590 598) the Hoare annotation is: true [2018-10-26 23:31:30,152 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 590 598) no Hoare annotation was computed. [2018-10-26 23:31:30,153 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 590 598) no Hoare annotation was computed. [2018-10-26 23:31:30,153 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 554 565) the Hoare annotation is: true [2018-10-26 23:31:30,153 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 554 565) no Hoare annotation was computed. [2018-10-26 23:31:30,153 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 554 565) no Hoare annotation was computed. [2018-10-26 23:31:30,153 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 23:31:30,153 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-10-26 23:31:30,153 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 23:31:30,153 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 23:31:30,153 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 503 509) no Hoare annotation was computed. [2018-10-26 23:31:30,153 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 503 509) the Hoare annotation is: true [2018-10-26 23:31:30,154 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 907 914) no Hoare annotation was computed. [2018-10-26 23:31:30,154 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 907 914) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))) [2018-10-26 23:31:30,154 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 907 914) no Hoare annotation was computed. [2018-10-26 23:31:30,154 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 566 577) no Hoare annotation was computed. [2018-10-26 23:31:30,154 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 566 577) no Hoare annotation was computed. [2018-10-26 23:31:30,154 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 566 577) the Hoare annotation is: true [2018-10-26 23:31:30,154 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 916 923) no Hoare annotation was computed. [2018-10-26 23:31:30,154 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 920) no Hoare annotation was computed. [2018-10-26 23:31:30,154 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 916 923) the Hoare annotation is: true [2018-10-26 23:31:30,155 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 916 923) no Hoare annotation was computed. [2018-10-26 23:31:30,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 11:31:30 BoogieIcfgContainer [2018-10-26 23:31:30,168 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 23:31:30,168 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:31:30,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:31:30,168 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:31:30,169 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:31:23" (3/4) ... [2018-10-26 23:31:30,173 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 23:31:30,180 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-26 23:31:30,181 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-26 23:31:30,181 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 23:31:30,181 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-10-26 23:31:30,181 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-26 23:31:30,181 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-10-26 23:31:30,181 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-26 23:31:30,181 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-26 23:31:30,181 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-10-26 23:31:30,181 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 23:31:30,182 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-26 23:31:30,182 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 23:31:30,182 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-26 23:31:30,182 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-10-26 23:31:30,182 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-10-26 23:31:30,182 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-10-26 23:31:30,182 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 23:31:30,182 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 23:31:30,182 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 23:31:30,183 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 23:31:30,183 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 23:31:30,183 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-26 23:31:30,183 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-26 23:31:30,183 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-10-26 23:31:30,184 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 23:31:30,184 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-26 23:31:30,195 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 139 nodes and edges [2018-10-26 23:31:30,195 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 23:31:30,196 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-26 23:31:30,231 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) [2018-10-26 23:31:30,231 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-10-26 23:31:30,321 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_767f6fe1-a640-4578-ab79-96bcbe6c176e/bin-2019/utaipan/witness.graphml [2018-10-26 23:31:30,321 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:31:30,322 INFO L168 Benchmark]: Toolchain (without parser) took 8990.61 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 235.9 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -136.2 MB). Peak memory consumption was 99.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:31:30,323 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:31:30,323 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.87 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 926.3 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. [2018-10-26 23:31:30,328 INFO L168 Benchmark]: Boogie Procedure Inliner took 178.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 926.3 MB in the beginning and 1.2 GB in the end (delta: -245.8 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:31:30,329 INFO L168 Benchmark]: Boogie Preprocessor took 62.71 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-10-26 23:31:30,329 INFO L168 Benchmark]: RCFGBuilder took 1404.64 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: 86.3 MB). Peak memory consumption was 86.3 MB. Max. memory is 11.5 GB. [2018-10-26 23:31:30,329 INFO L168 Benchmark]: TraceAbstraction took 6652.24 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 57.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -18.5 MB). Peak memory consumption was 243.3 MB. Max. memory is 11.5 GB. [2018-10-26 23:31:30,330 INFO L168 Benchmark]: Witness Printer took 153.50 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: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-10-26 23:31:30,332 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 533.87 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 926.3 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 178.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 926.3 MB in the beginning and 1.2 GB in the end (delta: -245.8 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.71 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1404.64 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: 86.3 MB). Peak memory consumption was 86.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6652.24 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 57.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -18.5 MB). Peak memory consumption was 243.3 MB. Max. memory is 11.5 GB. * Witness Printer took 153.50 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: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 920]: 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: 652]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 143 locations, 1 error locations. SAFE Result, 6.5s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.0s AutomataDifference, 0.0s DeadEndRemovalTime, 2.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 664 SDtfs, 316 SDslu, 1048 SDs, 0 SdLazy, 376 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=202occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 327 PreInvPairs, 342 NumberOfFragments, 576 HoareAnnotationTreeSize, 327 FomulaSimplifications, 85 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 60 FomulaSimplificationsInter, 844 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 308 NumberOfCodeBlocks, 308 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 303 ConstructedInterpolants, 0 QuantifiedInterpolants, 35625 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...