./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product31_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_67f7158c-c51c-4125-a765-b9d75138fada/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_67f7158c-c51c-4125-a765-b9d75138fada/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_67f7158c-c51c-4125-a765-b9d75138fada/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_67f7158c-c51c-4125-a765-b9d75138fada/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product31_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_67f7158c-c51c-4125-a765-b9d75138fada/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_67f7158c-c51c-4125-a765-b9d75138fada/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 9cf62d4c0c6e8aa9cf08ea2220574cd117ecc0d5 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:13:30,627 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:13:30,628 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:13:30,636 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:13:30,636 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:13:30,637 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:13:30,638 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:13:30,639 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:13:30,639 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:13:30,640 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:13:30,640 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:13:30,640 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:13:30,641 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:13:30,641 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:13:30,642 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:13:30,642 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:13:30,643 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:13:30,644 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:13:30,645 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:13:30,646 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:13:30,647 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:13:30,647 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:13:30,648 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:13:30,648 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:13:30,648 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:13:30,649 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:13:30,649 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:13:30,650 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:13:30,651 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:13:30,651 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:13:30,651 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:13:30,652 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:13:30,652 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:13:30,652 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:13:30,653 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:13:30,653 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:13:30,654 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_67f7158c-c51c-4125-a765-b9d75138fada/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 09:13:30,661 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:13:30,661 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:13:30,662 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:13:30,662 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 09:13:30,662 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 09:13:30,662 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 09:13:30,662 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 09:13:30,662 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 09:13:30,662 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 09:13:30,662 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 09:13:30,663 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 09:13:30,663 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 09:13:30,663 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 09:13:30,663 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:13:30,663 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:13:30,664 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:13:30,664 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:13:30,664 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:13:30,664 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:13:30,664 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:13:30,664 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:13:30,664 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:13:30,664 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:13:30,665 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:13:30,665 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:13:30,665 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:13:30,665 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:13:30,665 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:13:30,665 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:13:30,665 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:13:30,666 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:13:30,666 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:13:30,666 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:13:30,666 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 09:13:30,666 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:13:30,666 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:13:30,666 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 09:13:30,666 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_67f7158c-c51c-4125-a765-b9d75138fada/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 -> 9cf62d4c0c6e8aa9cf08ea2220574cd117ecc0d5 [2018-11-18 09:13:30,692 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:13:30,700 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:13:30,702 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:13:30,703 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:13:30,704 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:13:30,704 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_67f7158c-c51c-4125-a765-b9d75138fada/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product31_true-unreach-call_false-termination.cil.c [2018-11-18 09:13:30,741 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_67f7158c-c51c-4125-a765-b9d75138fada/bin-2019/utaipan/data/bb71785e7/96fac1b2c9b6419084c1a779010236e8/FLAGff4fac4f6 [2018-11-18 09:13:31,169 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:13:31,170 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_67f7158c-c51c-4125-a765-b9d75138fada/sv-benchmarks/c/product-lines/minepump_spec1_product31_true-unreach-call_false-termination.cil.c [2018-11-18 09:13:31,178 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_67f7158c-c51c-4125-a765-b9d75138fada/bin-2019/utaipan/data/bb71785e7/96fac1b2c9b6419084c1a779010236e8/FLAGff4fac4f6 [2018-11-18 09:13:31,188 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_67f7158c-c51c-4125-a765-b9d75138fada/bin-2019/utaipan/data/bb71785e7/96fac1b2c9b6419084c1a779010236e8 [2018-11-18 09:13:31,190 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:13:31,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:13:31,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:13:31,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:13:31,193 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:13:31,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:13:31" (1/1) ... [2018-11-18 09:13:31,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af69b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:31, skipping insertion in model container [2018-11-18 09:13:31,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:13:31" (1/1) ... [2018-11-18 09:13:31,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:13:31,231 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:13:31,424 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:13:31,432 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:13:31,540 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:13:31,557 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:13:31,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:31 WrapperNode [2018-11-18 09:13:31,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:13:31,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:13:31,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:13:31,558 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:13:31,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:31" (1/1) ... [2018-11-18 09:13:31,576 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:31" (1/1) ... [2018-11-18 09:13:31,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:13:31,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:13:31,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:13:31,584 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:13:31,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:31" (1/1) ... [2018-11-18 09:13:31,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:31" (1/1) ... [2018-11-18 09:13:31,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:31" (1/1) ... [2018-11-18 09:13:31,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:31" (1/1) ... [2018-11-18 09:13:31,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:31" (1/1) ... [2018-11-18 09:13:31,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:31" (1/1) ... [2018-11-18 09:13:31,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:31" (1/1) ... [2018-11-18 09:13:31,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:13:31,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:13:31,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:13:31,614 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:13:31,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_67f7158c-c51c-4125-a765-b9d75138fada/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 09:13:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 09:13:31,658 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 09:13:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:13:31,659 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:13:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 09:13:31,659 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 09:13:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 09:13:31,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 09:13:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:13:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 09:13:31,659 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 09:13:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 09:13:31,659 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 09:13:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 09:13:31,660 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 09:13:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 09:13:31,660 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 09:13:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 09:13:31,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 09:13:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 09:13:31,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 09:13:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 09:13:31,661 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 09:13:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 09:13:31,661 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 09:13:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 09:13:31,661 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 09:13:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 09:13:31,661 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 09:13:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 09:13:31,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 09:13:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 09:13:31,661 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 09:13:31,662 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 09:13:31,662 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 09:13:31,662 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 09:13:31,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 09:13:31,662 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 09:13:31,662 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 09:13:31,662 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 09:13:31,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 09:13:31,662 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 09:13:31,663 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 09:13:31,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:13:31,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:13:31,663 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 09:13:31,663 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 09:13:31,663 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 09:13:31,663 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 09:13:31,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:13:31,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:13:31,663 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-18 09:13:31,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-18 09:13:32,066 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:13:32,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:13:32 BoogieIcfgContainer [2018-11-18 09:13:32,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:13:32,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:13:32,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:13:32,070 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:13:32,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:13:31" (1/3) ... [2018-11-18 09:13:32,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a822c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:13:32, skipping insertion in model container [2018-11-18 09:13:32,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:31" (2/3) ... [2018-11-18 09:13:32,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a822c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:13:32, skipping insertion in model container [2018-11-18 09:13:32,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:13:32" (3/3) ... [2018-11-18 09:13:32,074 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product31_true-unreach-call_false-termination.cil.c [2018-11-18 09:13:32,082 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:13:32,089 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 09:13:32,101 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 09:13:32,123 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:13:32,123 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:13:32,123 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:13:32,124 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:13:32,124 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:13:32,124 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:13:32,124 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:13:32,124 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:13:32,138 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2018-11-18 09:13:32,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 09:13:32,144 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:13:32,145 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 09:13:32,147 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:13:32,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:13:32,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1603421939, now seen corresponding path program 1 times [2018-11-18 09:13:32,152 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:13:32,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:13:32,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:13:32,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:13:32,180 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:13:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:13:32,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:13:32,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:13:32,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:13:32,343 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:13:32,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 09:13:32,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 09:13:32,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 09:13:32,356 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 2 states. [2018-11-18 09:13:32,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:13:32,378 INFO L93 Difference]: Finished difference Result 254 states and 319 transitions. [2018-11-18 09:13:32,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 09:13:32,379 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 09:13:32,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:13:32,387 INFO L225 Difference]: With dead ends: 254 [2018-11-18 09:13:32,387 INFO L226 Difference]: Without dead ends: 127 [2018-11-18 09:13:32,390 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 09:13:32,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-11-18 09:13:32,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-11-18 09:13:32,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-11-18 09:13:32,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 151 transitions. [2018-11-18 09:13:32,431 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 151 transitions. Word has length 46 [2018-11-18 09:13:32,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:13:32,431 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 151 transitions. [2018-11-18 09:13:32,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 09:13:32,431 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 151 transitions. [2018-11-18 09:13:32,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 09:13:32,434 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:13:32,434 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 09:13:32,434 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:13:32,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:13:32,435 INFO L82 PathProgramCache]: Analyzing trace with hash 521301242, now seen corresponding path program 1 times [2018-11-18 09:13:32,435 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:13:32,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:13:32,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:13:32,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:13:32,436 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:13:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:13:32,533 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 09:13:32,533 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:13:32,533 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:13:32,534 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:13:32,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:13:32,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:13:32,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:13:32,535 INFO L87 Difference]: Start difference. First operand 127 states and 151 transitions. Second operand 3 states. [2018-11-18 09:13:32,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:13:32,556 INFO L93 Difference]: Finished difference Result 195 states and 231 transitions. [2018-11-18 09:13:32,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:13:32,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 09:13:32,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:13:32,559 INFO L225 Difference]: With dead ends: 195 [2018-11-18 09:13:32,559 INFO L226 Difference]: Without dead ends: 117 [2018-11-18 09:13:32,560 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 09:13:32,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-11-18 09:13:32,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-11-18 09:13:32,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-11-18 09:13:32,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 138 transitions. [2018-11-18 09:13:32,571 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 138 transitions. Word has length 48 [2018-11-18 09:13:32,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:13:32,571 INFO L480 AbstractCegarLoop]: Abstraction has 117 states and 138 transitions. [2018-11-18 09:13:32,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:13:32,572 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 138 transitions. [2018-11-18 09:13:32,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 09:13:32,573 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:13:32,573 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] [2018-11-18 09:13:32,573 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:13:32,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:13:32,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1164122070, now seen corresponding path program 1 times [2018-11-18 09:13:32,574 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:13:32,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:13:32,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:13:32,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:13:32,575 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:13:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:13:32,684 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 09:13:32,684 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:13:32,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:13:32,684 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:13:32,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:13:32,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:13:32,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:13:32,685 INFO L87 Difference]: Start difference. First operand 117 states and 138 transitions. Second operand 7 states. [2018-11-18 09:13:33,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:13:33,034 INFO L93 Difference]: Finished difference Result 354 states and 433 transitions. [2018-11-18 09:13:33,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 09:13:33,035 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-18 09:13:33,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:13:33,038 INFO L225 Difference]: With dead ends: 354 [2018-11-18 09:13:33,038 INFO L226 Difference]: Without dead ends: 261 [2018-11-18 09:13:33,039 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:13:33,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-11-18 09:13:33,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 253. [2018-11-18 09:13:33,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-11-18 09:13:33,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 309 transitions. [2018-11-18 09:13:33,066 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 309 transitions. Word has length 52 [2018-11-18 09:13:33,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:13:33,067 INFO L480 AbstractCegarLoop]: Abstraction has 253 states and 309 transitions. [2018-11-18 09:13:33,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:13:33,067 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 309 transitions. [2018-11-18 09:13:33,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 09:13:33,069 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:13:33,069 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:13:33,070 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:13:33,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:13:33,070 INFO L82 PathProgramCache]: Analyzing trace with hash -265315334, now seen corresponding path program 1 times [2018-11-18 09:13:33,071 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:13:33,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:13:33,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:13:33,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:13:33,072 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:13:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:13:33,190 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 09:13:33,191 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:13:33,191 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 09:13:33,191 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:13:33,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:13:33,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:13:33,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:13:33,192 INFO L87 Difference]: Start difference. First operand 253 states and 309 transitions. Second operand 6 states. [2018-11-18 09:13:33,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:13:33,359 INFO L93 Difference]: Finished difference Result 696 states and 875 transitions. [2018-11-18 09:13:33,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:13:33,360 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-11-18 09:13:33,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:13:33,364 INFO L225 Difference]: With dead ends: 696 [2018-11-18 09:13:33,364 INFO L226 Difference]: Without dead ends: 467 [2018-11-18 09:13:33,366 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 09:13:33,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2018-11-18 09:13:33,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 461. [2018-11-18 09:13:33,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2018-11-18 09:13:33,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 568 transitions. [2018-11-18 09:13:33,403 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 568 transitions. Word has length 58 [2018-11-18 09:13:33,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:13:33,403 INFO L480 AbstractCegarLoop]: Abstraction has 461 states and 568 transitions. [2018-11-18 09:13:33,404 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:13:33,404 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 568 transitions. [2018-11-18 09:13:33,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 09:13:33,406 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:13:33,406 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:13:33,407 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:13:33,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:13:33,407 INFO L82 PathProgramCache]: Analyzing trace with hash -555552258, now seen corresponding path program 1 times [2018-11-18 09:13:33,408 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:13:33,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:13:33,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:13:33,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:13:33,409 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:13:33,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:13:33,513 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 09:13:33,514 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:13:33,514 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:13:33,514 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:13:33,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:13:33,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:13:33,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:13:33,515 INFO L87 Difference]: Start difference. First operand 461 states and 568 transitions. Second operand 7 states. [2018-11-18 09:13:33,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:13:33,722 INFO L93 Difference]: Finished difference Result 753 states and 952 transitions. [2018-11-18 09:13:33,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:13:33,723 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2018-11-18 09:13:33,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:13:33,724 INFO L225 Difference]: With dead ends: 753 [2018-11-18 09:13:33,724 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 09:13:33,726 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-18 09:13:33,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 09:13:33,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 09:13:33,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 09:13:33,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 09:13:33,727 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2018-11-18 09:13:33,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:13:33,727 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:13:33,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:13:33,728 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 09:13:33,728 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:13:33,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 09:13:34,513 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 256 262) the Hoare annotation is: true [2018-11-18 09:13:34,513 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 256 262) no Hoare annotation was computed. [2018-11-18 09:13:34,513 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 263 271) no Hoare annotation was computed. [2018-11-18 09:13:34,513 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 263 271) the Hoare annotation is: true [2018-11-18 09:13:34,513 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 263 271) no Hoare annotation was computed. [2018-11-18 09:13:34,513 INFO L425 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-18 09:13:34,513 INFO L425 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-18 09:13:34,513 INFO L421 ceAbstractionStarter]: At program point L127(line 127) 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 09:13:34,514 INFO L421 ceAbstractionStarter]: At program point L126(line 126) 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 09:13:34,514 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) 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 09:13:34,514 INFO L421 ceAbstractionStarter]: At program point L126-1(line 126) 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 09:13:34,514 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-18 09:13:34,514 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-18 09:13:34,514 INFO L421 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:13:34,514 INFO L421 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:13:34,514 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-18 09:13:34,514 INFO L421 ceAbstractionStarter]: At program point L353(line 353) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 09:13:34,514 INFO L421 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 09:13:34,515 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 355) no Hoare annotation was computed. [2018-11-18 09:13:34,515 INFO L421 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 09:13:34,515 INFO L425 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2018-11-18 09:13:34,515 INFO L425 ceAbstractionStarter]: For program point L343(lines 343 360) no Hoare annotation was computed. [2018-11-18 09:13:34,515 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 339 363) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 09:13:34,515 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 339 363) no Hoare annotation was computed. [2018-11-18 09:13:34,515 INFO L421 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 09:13:34,515 INFO L425 ceAbstractionStarter]: For program point L358-1(lines 339 363) no Hoare annotation was computed. [2018-11-18 09:13:34,515 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 498 512) no Hoare annotation was computed. [2018-11-18 09:13:34,515 INFO L421 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-18 09:13:34,515 INFO L425 ceAbstractionStarter]: For program point L502(lines 502 508) no Hoare annotation was computed. [2018-11-18 09:13:34,515 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 498 512) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-18 09:13:34,516 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 498 512) no Hoare annotation was computed. [2018-11-18 09:13:34,516 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 434 442) no Hoare annotation was computed. [2018-11-18 09:13:34,516 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 434 442) the Hoare annotation is: true [2018-11-18 09:13:34,516 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 434 442) no Hoare annotation was computed. [2018-11-18 09:13:34,516 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 479 497) the Hoare annotation is: true [2018-11-18 09:13:34,516 INFO L425 ceAbstractionStarter]: For program point L488(lines 488 492) no Hoare annotation was computed. [2018-11-18 09:13:34,516 INFO L428 ceAbstractionStarter]: At program point L486(line 486) the Hoare annotation is: true [2018-11-18 09:13:34,516 INFO L425 ceAbstractionStarter]: For program point L488-2(lines 488 492) no Hoare annotation was computed. [2018-11-18 09:13:34,516 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 479 497) no Hoare annotation was computed. [2018-11-18 09:13:34,516 INFO L425 ceAbstractionStarter]: For program point L486-1(line 486) no Hoare annotation was computed. [2018-11-18 09:13:34,516 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 479 497) no Hoare annotation was computed. [2018-11-18 09:13:34,516 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 249 255) no Hoare annotation was computed. [2018-11-18 09:13:34,516 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 249 255) the Hoare annotation is: true [2018-11-18 09:13:34,516 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) 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 09:13:34,517 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-18 09:13:34,517 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-18 09:13:34,517 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 423 433) the Hoare annotation is: true [2018-11-18 09:13:34,517 INFO L428 ceAbstractionStarter]: At program point L428(line 428) the Hoare annotation is: true [2018-11-18 09:13:34,517 INFO L425 ceAbstractionStarter]: For program point L428-1(line 428) no Hoare annotation was computed. [2018-11-18 09:13:34,517 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 423 433) no Hoare annotation was computed. [2018-11-18 09:13:34,517 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 423 433) no Hoare annotation was computed. [2018-11-18 09:13:34,518 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 415 422) the Hoare annotation is: true [2018-11-18 09:13:34,518 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 415 422) no Hoare annotation was computed. [2018-11-18 09:13:34,518 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 415 422) no Hoare annotation was computed. [2018-11-18 09:13:34,518 INFO L421 ceAbstractionStarter]: At program point L384(line 384) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 09:13:34,518 INFO L425 ceAbstractionStarter]: For program point L384-1(lines 365 389) no Hoare annotation was computed. [2018-11-18 09:13:34,518 INFO L421 ceAbstractionStarter]: At program point L379(line 379) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 09:13:34,518 INFO L421 ceAbstractionStarter]: At program point L375(line 375) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 09:13:34,518 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 365 389) no Hoare annotation was computed. [2018-11-18 09:13:34,518 INFO L425 ceAbstractionStarter]: For program point L373(lines 373 381) no Hoare annotation was computed. [2018-11-18 09:13:34,518 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 365 389) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 09:13:34,518 INFO L421 ceAbstractionStarter]: At program point L371(line 371) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 09:13:34,518 INFO L425 ceAbstractionStarter]: For program point L371-1(line 371) no Hoare annotation was computed. [2018-11-18 09:13:34,519 INFO L425 ceAbstractionStarter]: For program point L369(lines 369 386) no Hoare annotation was computed. [2018-11-18 09:13:34,519 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 331 337) no Hoare annotation was computed. [2018-11-18 09:13:34,519 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 331 337) the Hoare annotation is: true [2018-11-18 09:13:34,519 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 514 579) 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 09:13:34,519 INFO L421 ceAbstractionStarter]: At program point L572(lines 523 573) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:13:34,519 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 514 579) no Hoare annotation was computed. [2018-11-18 09:13:34,519 INFO L421 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:13:34,519 INFO L425 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2018-11-18 09:13:34,519 INFO L421 ceAbstractionStarter]: At program point L560-1(lines 554 567) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:13:34,519 INFO L425 ceAbstractionStarter]: For program point L525(lines 524 571) no Hoare annotation was computed. [2018-11-18 09:13:34,519 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 567) no Hoare annotation was computed. [2018-11-18 09:13:34,520 INFO L421 ceAbstractionStarter]: At program point L546(line 546) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:13:34,520 INFO L425 ceAbstractionStarter]: For program point L544(lines 544 550) no Hoare annotation was computed. [2018-11-18 09:13:34,520 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 544 550) no Hoare annotation was computed. [2018-11-18 09:13:34,520 INFO L421 ceAbstractionStarter]: At program point L569(lines 524 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:13:34,520 INFO L421 ceAbstractionStarter]: At program point L536(line 536) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:13:34,520 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 540) no Hoare annotation was computed. [2018-11-18 09:13:34,520 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 534 540) no Hoare annotation was computed. [2018-11-18 09:13:34,520 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 530) no Hoare annotation was computed. [2018-11-18 09:13:34,520 INFO L425 ceAbstractionStarter]: For program point L524-1(lines 524 571) no Hoare annotation was computed. [2018-11-18 09:13:34,520 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 514 579) no Hoare annotation was computed. [2018-11-18 09:13:34,520 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 228 236) no Hoare annotation was computed. [2018-11-18 09:13:34,521 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 228 236) the Hoare annotation is: true [2018-11-18 09:13:34,521 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 228 236) no Hoare annotation was computed. [2018-11-18 09:13:34,521 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:13:34,521 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 09:13:34,521 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:13:34,521 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 175 186) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-11-18 09:13:34,521 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 175 186) no Hoare annotation was computed. [2018-11-18 09:13:34,521 INFO L425 ceAbstractionStarter]: For program point L179-1(lines 175 186) no Hoare annotation was computed. [2018-11-18 09:13:34,521 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 187 195) the Hoare annotation is: true [2018-11-18 09:13:34,521 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 187 195) no Hoare annotation was computed. [2018-11-18 09:13:34,521 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 187 195) no Hoare annotation was computed. [2018-11-18 09:13:34,521 INFO L421 ceAbstractionStarter]: At program point L320(line 320) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 09:13:34,522 INFO L421 ceAbstractionStarter]: At program point L318(lines 318 324) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 09:13:34,522 INFO L421 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-18 09:13:34,522 INFO L425 ceAbstractionStarter]: For program point L311(lines 310 329) no Hoare annotation was computed. [2018-11-18 09:13:34,522 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 307 330) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 09:13:34,522 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 307 330) no Hoare annotation was computed. [2018-11-18 09:13:34,522 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 307 330) no Hoare annotation was computed. [2018-11-18 09:13:34,522 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-18 09:13:34,522 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-18 09:13:34,522 INFO L428 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-18 09:13:34,522 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 66) no Hoare annotation was computed. [2018-11-18 09:13:34,522 INFO L428 ceAbstractionStarter]: At program point L52-3(lines 52 66) the Hoare annotation is: true [2018-11-18 09:13:34,522 INFO L428 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-18 09:13:34,523 INFO L425 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-18 09:13:34,523 INFO L428 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-18 09:13:34,523 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-18 09:13:34,523 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-18 09:13:34,523 INFO L425 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-18 09:13:34,523 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 151 162) the Hoare annotation is: true [2018-11-18 09:13:34,523 INFO L425 ceAbstractionStarter]: For program point L155-1(lines 151 162) no Hoare annotation was computed. [2018-11-18 09:13:34,523 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 151 162) no Hoare annotation was computed. [2018-11-18 09:13:34,523 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-18 09:13:34,523 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-18 09:13:34,523 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:13:34,524 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 09:13:34,524 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:13:34,524 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:13:34,524 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 163 174) no Hoare annotation was computed. [2018-11-18 09:13:34,524 INFO L425 ceAbstractionStarter]: For program point L167-1(lines 163 174) no Hoare annotation was computed. [2018-11-18 09:13:34,524 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 163 174) the Hoare annotation is: true [2018-11-18 09:13:34,524 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 581 588) no Hoare annotation was computed. [2018-11-18 09:13:34,524 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 585) no Hoare annotation was computed. [2018-11-18 09:13:34,524 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 581 588) the Hoare annotation is: true [2018-11-18 09:13:34,524 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 581 588) no Hoare annotation was computed. [2018-11-18 09:13:34,525 INFO L421 ceAbstractionStarter]: At program point L289(line 289) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-18 09:13:34,525 INFO L425 ceAbstractionStarter]: For program point L287(lines 287 293) no Hoare annotation was computed. [2018-11-18 09:13:34,525 INFO L421 ceAbstractionStarter]: At program point L285(line 285) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 09:13:34,525 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 275 299) the Hoare annotation is: true [2018-11-18 09:13:34,525 INFO L425 ceAbstractionStarter]: For program point L285-1(line 285) no Hoare annotation was computed. [2018-11-18 09:13:34,525 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 296) no Hoare annotation was computed. [2018-11-18 09:13:34,525 INFO L425 ceAbstractionStarter]: For program point L283-1(lines 275 299) no Hoare annotation was computed. [2018-11-18 09:13:34,525 INFO L428 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: true [2018-11-18 09:13:34,525 INFO L425 ceAbstractionStarter]: For program point L281-1(line 281) no Hoare annotation was computed. [2018-11-18 09:13:34,525 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 275 299) no Hoare annotation was computed. [2018-11-18 09:13:34,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:13:34 BoogieIcfgContainer [2018-11-18 09:13:34,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:13:34,536 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:13:34,536 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:13:34,536 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:13:34,537 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:13:32" (3/4) ... [2018-11-18 09:13:34,540 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:13:34,545 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 09:13:34,545 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 09:13:34,545 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 09:13:34,545 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 09:13:34,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 09:13:34,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 09:13:34,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 09:13:34,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 09:13:34,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 09:13:34,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 09:13:34,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 09:13:34,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 09:13:34,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 09:13:34,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 09:13:34,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 09:13:34,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 09:13:34,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 09:13:34,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 09:13:34,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 09:13:34,547 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 09:13:34,547 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 09:13:34,547 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 09:13:34,547 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 09:13:34,547 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 09:13:34,547 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-18 09:13:34,553 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-11-18 09:13:34,553 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 09:13:34,554 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 09:13:34,577 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 09:13:34,577 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 09:13:34,609 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_67f7158c-c51c-4125-a765-b9d75138fada/bin-2019/utaipan/witness.graphml [2018-11-18 09:13:34,609 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:13:34,609 INFO L168 Benchmark]: Toolchain (without parser) took 3419.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 955.5 MB in the beginning and 899.7 MB in the end (delta: 55.8 MB). Peak memory consumption was 193.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:13:34,610 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:13:34,611 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:13:34,611 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:13:34,611 INFO L168 Benchmark]: Boogie Preprocessor took 30.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:13:34,611 INFO L168 Benchmark]: RCFGBuilder took 452.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:13:34,611 INFO L168 Benchmark]: TraceAbstraction took 2468.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 906.6 MB in the end (delta: 156.9 MB). Peak memory consumption was 156.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:13:34,612 INFO L168 Benchmark]: Witness Printer took 72.54 ms. Allocated memory is still 1.2 GB. Free memory was 906.6 MB in the beginning and 899.7 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:13:34,613 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 366.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 452.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2468.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 906.6 MB in the end (delta: 156.9 MB). Peak memory consumption was 156.9 MB. Max. memory is 11.5 GB. * Witness Printer took 72.54 ms. Allocated memory is still 1.2 GB. Free memory was 906.6 MB in the beginning and 899.7 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 585]: 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: 524]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 140 locations, 1 error locations. SAFE Result, 2.4s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 703 SDtfs, 416 SDslu, 1348 SDs, 0 SdLazy, 450 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=461occurred 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, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 582 PreInvPairs, 627 NumberOfFragments, 527 HoareAnnotationTreeSize, 582 FomulaSimplifications, 397 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 59 FomulaSimplificationsInter, 2069 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 26657 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...