./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product15_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b42f123f-2923-41d3-b133-0faf1bc6952f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b42f123f-2923-41d3-b133-0faf1bc6952f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b42f123f-2923-41d3-b133-0faf1bc6952f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b42f123f-2923-41d3-b133-0faf1bc6952f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product15_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b42f123f-2923-41d3-b133-0faf1bc6952f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b42f123f-2923-41d3-b133-0faf1bc6952f/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 0293b5fd4bdba9c4dffc69cf3cddef161bbc7b19 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:38:56,686 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:38:56,687 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:38:56,693 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:38:56,694 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:38:56,694 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:38:56,695 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:38:56,695 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:38:56,696 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:38:56,697 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:38:56,697 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:38:56,697 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:38:56,698 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:38:56,698 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:38:56,699 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:38:56,699 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:38:56,699 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:38:56,700 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:38:56,701 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:38:56,702 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:38:56,702 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:38:56,703 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:38:56,704 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:38:56,704 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:38:56,704 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:38:56,705 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:38:56,705 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:38:56,706 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:38:56,706 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:38:56,707 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:38:56,707 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:38:56,707 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:38:56,707 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:38:56,707 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:38:56,708 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:38:56,708 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:38:56,708 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b42f123f-2923-41d3-b133-0faf1bc6952f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:38:56,715 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:38:56,716 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:38:56,716 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:38:56,716 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:38:56,716 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:38:56,716 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:38:56,716 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:38:56,717 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:38:56,717 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:38:56,717 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:38:56,717 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:38:56,717 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:38:56,717 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:38:56,717 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:38:56,717 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:38:56,717 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:38:56,718 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:38:56,718 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:38:56,718 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:38:56,718 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:38:56,718 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:38:56,718 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:38:56,718 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:38:56,718 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:38:56,718 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:38:56,718 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:38:56,719 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:38:56,719 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:38:56,719 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:38:56,719 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:38:56,719 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:38:56,719 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:38:56,719 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:38:56,719 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:38:56,719 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:38:56,719 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:38:56,720 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_b42f123f-2923-41d3-b133-0faf1bc6952f/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 -> 0293b5fd4bdba9c4dffc69cf3cddef161bbc7b19 [2018-12-09 19:38:56,736 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:38:56,743 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:38:56,745 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:38:56,746 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:38:56,747 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:38:56,747 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b42f123f-2923-41d3-b133-0faf1bc6952f/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product15_true-unreach-call_false-termination.cil.c [2018-12-09 19:38:56,783 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b42f123f-2923-41d3-b133-0faf1bc6952f/bin-2019/utaipan/data/19677b6d9/0ae9d94c970a4112b9b50bfda69b6e5b/FLAGb427220a2 [2018-12-09 19:38:57,246 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:38:57,246 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b42f123f-2923-41d3-b133-0faf1bc6952f/sv-benchmarks/c/product-lines/minepump_spec1_product15_true-unreach-call_false-termination.cil.c [2018-12-09 19:38:57,252 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b42f123f-2923-41d3-b133-0faf1bc6952f/bin-2019/utaipan/data/19677b6d9/0ae9d94c970a4112b9b50bfda69b6e5b/FLAGb427220a2 [2018-12-09 19:38:57,261 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b42f123f-2923-41d3-b133-0faf1bc6952f/bin-2019/utaipan/data/19677b6d9/0ae9d94c970a4112b9b50bfda69b6e5b [2018-12-09 19:38:57,262 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:38:57,263 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:38:57,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:38:57,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:38:57,266 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:38:57,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:38:57" (1/1) ... [2018-12-09 19:38:57,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39cd0825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:38:57, skipping insertion in model container [2018-12-09 19:38:57,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:38:57" (1/1) ... [2018-12-09 19:38:57,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:38:57,293 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:38:57,441 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:38:57,483 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:38:57,532 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:38:57,546 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:38:57,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:38:57 WrapperNode [2018-12-09 19:38:57,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:38:57,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:38:57,547 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:38:57,548 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:38:57,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:38:57" (1/1) ... [2018-12-09 19:38:57,562 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:38:57" (1/1) ... [2018-12-09 19:38:57,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:38:57,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:38:57,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:38:57,567 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:38:57,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:38:57" (1/1) ... [2018-12-09 19:38:57,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:38:57" (1/1) ... [2018-12-09 19:38:57,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:38:57" (1/1) ... [2018-12-09 19:38:57,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:38:57" (1/1) ... [2018-12-09 19:38:57,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:38:57" (1/1) ... [2018-12-09 19:38:57,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:38:57" (1/1) ... [2018-12-09 19:38:57,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:38:57" (1/1) ... [2018-12-09 19:38:57,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:38:57,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:38:57,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:38:57,588 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:38:57,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:38:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b42f123f-2923-41d3-b133-0faf1bc6952f/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 [2018-12-09 19:38:57,619 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 19:38:57,619 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 19:38:57,619 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:38:57,619 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:38:57,619 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 19:38:57,619 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 19:38:57,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:38:57,620 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 19:38:57,620 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 19:38:57,620 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 19:38:57,620 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 19:38:57,620 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 19:38:57,620 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 19:38:57,620 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 19:38:57,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 19:38:57,620 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 19:38:57,620 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 19:38:57,620 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 19:38:57,621 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 19:38:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 19:38:57,621 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 19:38:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 19:38:57,621 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 19:38:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 19:38:57,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 19:38:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 19:38:57,621 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 19:38:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 19:38:57,622 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 19:38:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 19:38:57,622 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 19:38:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 19:38:57,622 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 19:38:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 19:38:57,622 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 19:38:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 19:38:57,623 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 19:38:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 19:38:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:38:57,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:38:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 19:38:57,623 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 19:38:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 19:38:57,623 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 19:38:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:38:57,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:38:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-09 19:38:57,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-09 19:38:57,904 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:38:57,905 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 19:38:57,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:38:57 BoogieIcfgContainer [2018-12-09 19:38:57,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:38:57,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:38:57,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:38:57,907 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:38:57,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:38:57" (1/3) ... [2018-12-09 19:38:57,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f89efcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:38:57, skipping insertion in model container [2018-12-09 19:38:57,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:38:57" (2/3) ... [2018-12-09 19:38:57,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f89efcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:38:57, skipping insertion in model container [2018-12-09 19:38:57,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:38:57" (3/3) ... [2018-12-09 19:38:57,909 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product15_true-unreach-call_false-termination.cil.c [2018-12-09 19:38:57,915 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:38:57,920 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:38:57,929 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:38:57,947 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:38:57,947 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:38:57,947 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:38:57,947 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:38:57,948 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:38:57,948 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:38:57,948 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:38:57,948 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:38:57,959 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states. [2018-12-09 19:38:57,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 19:38:57,963 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:38:57,964 INFO L402 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] [2018-12-09 19:38:57,965 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:38:57,968 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:38:57,969 INFO L82 PathProgramCache]: Analyzing trace with hash -472043057, now seen corresponding path program 1 times [2018-12-09 19:38:57,970 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:38:57,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:38:57,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:38:57,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:38:57,999 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:38:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:38:58,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:38:58,123 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:38:58,123 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 19:38:58,123 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:38:58,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 19:38:58,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 19:38:58,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:38:58,135 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 2 states. [2018-12-09 19:38:58,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:38:58,156 INFO L93 Difference]: Finished difference Result 210 states and 265 transitions. [2018-12-09 19:38:58,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 19:38:58,156 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 19:38:58,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:38:58,163 INFO L225 Difference]: With dead ends: 210 [2018-12-09 19:38:58,163 INFO L226 Difference]: Without dead ends: 105 [2018-12-09 19:38:58,165 INFO L631 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 [2018-12-09 19:38:58,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-12-09 19:38:58,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-12-09 19:38:58,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-12-09 19:38:58,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 124 transitions. [2018-12-09 19:38:58,193 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 124 transitions. Word has length 46 [2018-12-09 19:38:58,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:38:58,193 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 124 transitions. [2018-12-09 19:38:58,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 19:38:58,194 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2018-12-09 19:38:58,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 19:38:58,195 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:38:58,195 INFO L402 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] [2018-12-09 19:38:58,195 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:38:58,195 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:38:58,196 INFO L82 PathProgramCache]: Analyzing trace with hash -501230200, now seen corresponding path program 1 times [2018-12-09 19:38:58,196 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:38:58,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:38:58,196 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:38:58,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:38:58,197 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:38:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:38:58,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:38:58,260 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:38:58,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:38:58,260 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:38:58,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:38:58,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:38:58,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:38:58,261 INFO L87 Difference]: Start difference. First operand 105 states and 124 transitions. Second operand 3 states. [2018-12-09 19:38:58,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:38:58,272 INFO L93 Difference]: Finished difference Result 153 states and 179 transitions. [2018-12-09 19:38:58,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:38:58,272 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 19:38:58,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:38:58,273 INFO L225 Difference]: With dead ends: 153 [2018-12-09 19:38:58,273 INFO L226 Difference]: Without dead ends: 96 [2018-12-09 19:38:58,274 INFO L631 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 [2018-12-09 19:38:58,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-12-09 19:38:58,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-12-09 19:38:58,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-12-09 19:38:58,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 112 transitions. [2018-12-09 19:38:58,281 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 112 transitions. Word has length 47 [2018-12-09 19:38:58,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:38:58,281 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 112 transitions. [2018-12-09 19:38:58,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:38:58,281 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2018-12-09 19:38:58,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 19:38:58,282 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:38:58,282 INFO L402 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] [2018-12-09 19:38:58,282 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:38:58,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:38:58,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1431866351, now seen corresponding path program 1 times [2018-12-09 19:38:58,283 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:38:58,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:38:58,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:38:58,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:38:58,283 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:38:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:38:58,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:38:58,349 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:38:58,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:38:58,350 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:38:58,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:38:58,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:38:58,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:38:58,351 INFO L87 Difference]: Start difference. First operand 96 states and 112 transitions. Second operand 7 states. [2018-12-09 19:38:58,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:38:58,539 INFO L93 Difference]: Finished difference Result 290 states and 354 transitions. [2018-12-09 19:38:58,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 19:38:58,539 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-09 19:38:58,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:38:58,541 INFO L225 Difference]: With dead ends: 290 [2018-12-09 19:38:58,541 INFO L226 Difference]: Without dead ends: 218 [2018-12-09 19:38:58,542 INFO L631 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 [2018-12-09 19:38:58,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-12-09 19:38:58,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 210. [2018-12-09 19:38:58,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-12-09 19:38:58,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 256 transitions. [2018-12-09 19:38:58,560 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 256 transitions. Word has length 51 [2018-12-09 19:38:58,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:38:58,560 INFO L480 AbstractCegarLoop]: Abstraction has 210 states and 256 transitions. [2018-12-09 19:38:58,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:38:58,560 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 256 transitions. [2018-12-09 19:38:58,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 19:38:58,562 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:38:58,562 INFO L402 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] [2018-12-09 19:38:58,562 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:38:58,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:38:58,562 INFO L82 PathProgramCache]: Analyzing trace with hash 831190202, now seen corresponding path program 1 times [2018-12-09 19:38:58,562 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:38:58,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:38:58,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:38:58,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:38:58,563 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:38:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:38:58,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:38:58,632 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:38:58,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:38:58,632 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:38:58,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:38:58,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:38:58,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:38:58,633 INFO L87 Difference]: Start difference. First operand 210 states and 256 transitions. Second operand 6 states. [2018-12-09 19:38:58,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:38:58,729 INFO L93 Difference]: Finished difference Result 567 states and 716 transitions. [2018-12-09 19:38:58,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:38:58,730 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-09 19:38:58,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:38:58,733 INFO L225 Difference]: With dead ends: 567 [2018-12-09 19:38:58,733 INFO L226 Difference]: Without dead ends: 381 [2018-12-09 19:38:58,735 INFO L631 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 [2018-12-09 19:38:58,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-12-09 19:38:58,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 375. [2018-12-09 19:38:58,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-12-09 19:38:58,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 462 transitions. [2018-12-09 19:38:58,769 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 462 transitions. Word has length 57 [2018-12-09 19:38:58,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:38:58,770 INFO L480 AbstractCegarLoop]: Abstraction has 375 states and 462 transitions. [2018-12-09 19:38:58,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:38:58,770 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 462 transitions. [2018-12-09 19:38:58,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 19:38:58,772 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:38:58,772 INFO L402 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] [2018-12-09 19:38:58,773 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:38:58,773 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:38:58,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1735227038, now seen corresponding path program 1 times [2018-12-09 19:38:58,773 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:38:58,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:38:58,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:38:58,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:38:58,774 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:38:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:38:58,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:38:58,836 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:38:58,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:38:58,836 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:38:58,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:38:58,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:38:58,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:38:58,836 INFO L87 Difference]: Start difference. First operand 375 states and 462 transitions. Second operand 7 states. [2018-12-09 19:38:59,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:38:59,029 INFO L93 Difference]: Finished difference Result 641 states and 812 transitions. [2018-12-09 19:38:59,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:38:59,029 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-12-09 19:38:59,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:38:59,030 INFO L225 Difference]: With dead ends: 641 [2018-12-09 19:38:59,030 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 19:38:59,031 INFO L631 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 [2018-12-09 19:38:59,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 19:38:59,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 19:38:59,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 19:38:59,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 19:38:59,032 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2018-12-09 19:38:59,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:38:59,032 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 19:38:59,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:38:59,032 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 19:38:59,032 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:38:59,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 19:38:59,474 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 388 395) the Hoare annotation is: true [2018-12-09 19:38:59,474 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 388 395) no Hoare annotation was computed. [2018-12-09 19:38:59,474 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 388 395) no Hoare annotation was computed. [2018-12-09 19:38:59,474 INFO L444 ceAbstractionStarter]: At program point L352(line 352) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 19:38:59,475 INFO L444 ceAbstractionStarter]: At program point L348(line 348) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 19:38:59,475 INFO L448 ceAbstractionStarter]: For program point L346(lines 346 354) no Hoare annotation was computed. [2018-12-09 19:38:59,475 INFO L444 ceAbstractionStarter]: At program point L344(line 344) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 19:38:59,475 INFO L448 ceAbstractionStarter]: For program point L344-1(line 344) no Hoare annotation was computed. [2018-12-09 19:38:59,475 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 338 362) no Hoare annotation was computed. [2018-12-09 19:38:59,475 INFO L448 ceAbstractionStarter]: For program point L342(lines 342 359) no Hoare annotation was computed. [2018-12-09 19:38:59,475 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 338 362) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 19:38:59,475 INFO L444 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 19:38:59,475 INFO L448 ceAbstractionStarter]: For program point L357-1(lines 338 362) no Hoare annotation was computed. [2018-12-09 19:38:59,476 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 246 252) the Hoare annotation is: true [2018-12-09 19:38:59,476 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 246 252) no Hoare annotation was computed. [2018-12-09 19:38:59,476 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 253 261) no Hoare annotation was computed. [2018-12-09 19:38:59,476 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 253 261) the Hoare annotation is: true [2018-12-09 19:38:59,476 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 253 261) no Hoare annotation was computed. [2018-12-09 19:38:59,476 INFO L444 ceAbstractionStarter]: At program point L514-1(lines 508 521) 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))) [2018-12-09 19:38:59,476 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 468 533) 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))) [2018-12-09 19:38:59,476 INFO L448 ceAbstractionStarter]: For program point L479(lines 478 525) no Hoare annotation was computed. [2018-12-09 19:38:59,477 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 521) no Hoare annotation was computed. [2018-12-09 19:38:59,477 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 468 533) no Hoare annotation was computed. [2018-12-09 19:38:59,477 INFO L444 ceAbstractionStarter]: At program point L500(line 500) 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))) [2018-12-09 19:38:59,477 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 504) no Hoare annotation was computed. [2018-12-09 19:38:59,477 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 498 504) no Hoare annotation was computed. [2018-12-09 19:38:59,477 INFO L444 ceAbstractionStarter]: At program point L523(lines 478 525) 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))) [2018-12-09 19:38:59,477 INFO L444 ceAbstractionStarter]: At program point L490(line 490) 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))) [2018-12-09 19:38:59,477 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 494) no Hoare annotation was computed. [2018-12-09 19:38:59,477 INFO L448 ceAbstractionStarter]: For program point L488-1(lines 488 494) no Hoare annotation was computed. [2018-12-09 19:38:59,478 INFO L448 ceAbstractionStarter]: For program point L480(lines 480 484) no Hoare annotation was computed. [2018-12-09 19:38:59,478 INFO L444 ceAbstractionStarter]: At program point L526(lines 477 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:38:59,478 INFO L444 ceAbstractionStarter]: At program point L516(line 516) 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))) [2018-12-09 19:38:59,478 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 468 533) no Hoare annotation was computed. [2018-12-09 19:38:59,478 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 520) no Hoare annotation was computed. [2018-12-09 19:38:59,478 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-12-09 19:38:59,478 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-12-09 19:38:59,478 INFO L444 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))) [2018-12-09 19:38:59,479 INFO L444 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))) [2018-12-09 19:38:59,479 INFO L444 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))) [2018-12-09 19:38:59,479 INFO L444 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))) [2018-12-09 19:38:59,479 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-12-09 19:38:59,479 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-12-09 19:38:59,479 INFO L444 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))) [2018-12-09 19:38:59,479 INFO L444 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))) [2018-12-09 19:38:59,479 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-12-09 19:38:59,479 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 330 336) no Hoare annotation was computed. [2018-12-09 19:38:59,480 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 330 336) the Hoare annotation is: true [2018-12-09 19:38:59,480 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 452 466) no Hoare annotation was computed. [2018-12-09 19:38:59,480 INFO L444 ceAbstractionStarter]: At program point L458(line 458) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-09 19:38:59,480 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 462) no Hoare annotation was computed. [2018-12-09 19:38:59,480 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 452 466) 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))))) [2018-12-09 19:38:59,480 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 452 466) no Hoare annotation was computed. [2018-12-09 19:38:59,480 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 407 415) no Hoare annotation was computed. [2018-12-09 19:38:59,480 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 407 415) the Hoare annotation is: true [2018-12-09 19:38:59,480 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 407 415) no Hoare annotation was computed. [2018-12-09 19:38:59,480 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:38:59,481 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-09 19:38:59,481 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:38:59,481 INFO L448 ceAbstractionStarter]: For program point L178-1(lines 174 185) no Hoare annotation was computed. [2018-12-09 19:38:59,481 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 174 185) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-12-09 19:38:59,481 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 174 185) no Hoare annotation was computed. [2018-12-09 19:38:59,481 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 186 194) the Hoare annotation is: true [2018-12-09 19:38:59,481 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 186 194) no Hoare annotation was computed. [2018-12-09 19:38:59,481 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 186 194) no Hoare annotation was computed. [2018-12-09 19:38:59,481 INFO L444 ceAbstractionStarter]: At program point L319(line 319) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 19:38:59,481 INFO L444 ceAbstractionStarter]: At program point L317(lines 317 323) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 19:38:59,481 INFO L444 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-09 19:38:59,482 INFO L448 ceAbstractionStarter]: For program point L310(lines 309 328) no Hoare annotation was computed. [2018-12-09 19:38:59,482 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 306 329) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 19:38:59,482 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 306 329) no Hoare annotation was computed. [2018-12-09 19:38:59,482 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 306 329) no Hoare annotation was computed. [2018-12-09 19:38:59,482 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-09 19:38:59,482 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-09 19:38:59,482 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-09 19:38:59,482 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-09 19:38:59,482 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-09 19:38:59,482 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-09 19:38:59,482 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-09 19:38:59,482 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-09 19:38:59,483 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-09 19:38:59,483 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-09 19:38:59,483 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 150 161) the Hoare annotation is: true [2018-12-09 19:38:59,483 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 150 161) no Hoare annotation was computed. [2018-12-09 19:38:59,483 INFO L448 ceAbstractionStarter]: For program point L154-1(lines 150 161) no Hoare annotation was computed. [2018-12-09 19:38:59,483 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 239 245) no Hoare annotation was computed. [2018-12-09 19:38:59,483 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 239 245) the Hoare annotation is: true [2018-12-09 19:38:59,483 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-09 19:38:59,483 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-09 19:38:59,483 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:38:59,484 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-09 19:38:59,484 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:38:59,484 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:38:59,484 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 162 173) no Hoare annotation was computed. [2018-12-09 19:38:59,484 INFO L448 ceAbstractionStarter]: For program point L166-1(lines 162 173) no Hoare annotation was computed. [2018-12-09 19:38:59,484 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 162 173) the Hoare annotation is: true [2018-12-09 19:38:59,484 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 291 298) no Hoare annotation was computed. [2018-12-09 19:38:59,484 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 291 298) the Hoare annotation is: true [2018-12-09 19:38:59,484 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2018-12-09 19:38:59,484 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 291 298) no Hoare annotation was computed. [2018-12-09 19:38:59,484 INFO L444 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))) [2018-12-09 19:38:59,485 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-12-09 19:38:59,485 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-12-09 19:38:59,485 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 265 289) the Hoare annotation is: true [2018-12-09 19:38:59,485 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 265 289) no Hoare annotation was computed. [2018-12-09 19:38:59,485 INFO L444 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-09 19:38:59,485 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 283) no Hoare annotation was computed. [2018-12-09 19:38:59,485 INFO L444 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 19:38:59,485 INFO L448 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2018-12-09 19:38:59,485 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 286) no Hoare annotation was computed. [2018-12-09 19:38:59,485 INFO L448 ceAbstractionStarter]: For program point L273-1(lines 265 289) no Hoare annotation was computed. [2018-12-09 19:38:59,486 INFO L451 ceAbstractionStarter]: At program point L271(line 271) the Hoare annotation is: true [2018-12-09 19:38:59,486 INFO L448 ceAbstractionStarter]: For program point L271-1(line 271) no Hoare annotation was computed. [2018-12-09 19:38:59,486 INFO L451 ceAbstractionStarter]: At program point L401(line 401) the Hoare annotation is: true [2018-12-09 19:38:59,486 INFO L448 ceAbstractionStarter]: For program point L401-1(line 401) no Hoare annotation was computed. [2018-12-09 19:38:59,486 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 396 406) the Hoare annotation is: true [2018-12-09 19:38:59,486 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 396 406) no Hoare annotation was computed. [2018-12-09 19:38:59,486 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 396 406) no Hoare annotation was computed. [2018-12-09 19:38:59,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:38:59 BoogieIcfgContainer [2018-12-09 19:38:59,495 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:38:59,495 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:38:59,495 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:38:59,495 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:38:59,496 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:38:57" (3/4) ... [2018-12-09 19:38:59,498 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:38:59,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 19:38:59,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 19:38:59,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 19:38:59,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 19:38:59,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 19:38:59,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:38:59,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 19:38:59,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 19:38:59,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 19:38:59,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:38:59,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 19:38:59,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 19:38:59,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 19:38:59,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 19:38:59,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 19:38:59,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 19:38:59,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 19:38:59,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 19:38:59,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 19:38:59,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 19:38:59,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-09 19:38:59,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 19:38:59,509 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-09 19:38:59,510 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 19:38:59,510 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 19:38:59,510 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 19:38:59,510 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 19:38:59,510 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 19:38:59,529 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 19:38:59,529 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 19:38:59,557 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b42f123f-2923-41d3-b133-0faf1bc6952f/bin-2019/utaipan/witness.graphml [2018-12-09 19:38:59,557 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:38:59,558 INFO L168 Benchmark]: Toolchain (without parser) took 2294.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 953.5 MB in the beginning and 919.5 MB in the end (delta: 34.0 MB). Peak memory consumption was 132.0 MB. Max. memory is 11.5 GB. [2018-12-09 19:38:59,558 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:38:59,559 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -139.4 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:38:59,559 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.81 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:38:59,559 INFO L168 Benchmark]: Boogie Preprocessor took 19.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:38:59,559 INFO L168 Benchmark]: RCFGBuilder took 317.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2018-12-09 19:38:59,559 INFO L168 Benchmark]: TraceAbstraction took 1589.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 929.8 MB in the end (delta: 108.4 MB). Peak memory consumption was 108.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:38:59,559 INFO L168 Benchmark]: Witness Printer took 61.98 ms. Allocated memory is still 1.1 GB. Free memory was 929.8 MB in the beginning and 919.5 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-12-09 19:38:59,560 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 283.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -139.4 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.81 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 317.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1589.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 929.8 MB in the end (delta: 108.4 MB). Peak memory consumption was 108.4 MB. Max. memory is 11.5 GB. * Witness Printer took 61.98 ms. Allocated memory is still 1.1 GB. Free memory was 929.8 MB in the beginning and 919.5 MB 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: 295]: 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: 477]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\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: 478]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 118 locations, 1 error locations. SAFE Result, 1.5s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 584 SDtfs, 333 SDslu, 1122 SDs, 0 SdLazy, 391 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=375occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 436 PreInvPairs, 481 NumberOfFragments, 478 HoareAnnotationTreeSize, 436 FomulaSimplifications, 397 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 1804 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 25527 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...