./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1181b4f3-26a0-4bc3-85bc-ce224e764a7a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1181b4f3-26a0-4bc3-85bc-ce224e764a7a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1181b4f3-26a0-4bc3-85bc-ce224e764a7a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1181b4f3-26a0-4bc3-85bc-ce224e764a7a/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_1181b4f3-26a0-4bc3-85bc-ce224e764a7a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1181b4f3-26a0-4bc3-85bc-ce224e764a7a/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 0.1.23-1dbac8b [2018-10-26 19:58:14,392 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:58:14,394 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:58:14,403 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:58:14,403 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:58:14,404 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:58:14,405 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:58:14,407 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:58:14,408 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:58:14,409 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:58:14,410 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:58:14,410 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:58:14,411 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:58:14,412 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:58:14,412 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:58:14,413 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:58:14,414 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:58:14,416 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:58:14,417 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:58:14,419 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:58:14,419 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:58:14,420 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:58:14,423 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:58:14,423 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:58:14,423 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:58:14,424 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:58:14,425 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:58:14,426 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:58:14,426 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:58:14,427 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:58:14,427 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:58:14,428 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:58:14,428 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:58:14,428 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:58:14,429 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:58:14,430 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:58:14,431 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1181b4f3-26a0-4bc3-85bc-ce224e764a7a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 19:58:14,441 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:58:14,442 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:58:14,442 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:58:14,442 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 19:58:14,443 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 19:58:14,443 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 19:58:14,443 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 19:58:14,443 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 19:58:14,443 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 19:58:14,443 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 19:58:14,443 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 19:58:14,444 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:58:14,444 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:58:14,444 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:58:14,444 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:58:14,444 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:58:14,445 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:58:14,445 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:58:14,445 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:58:14,445 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:58:14,445 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:58:14,447 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:58:14,447 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:58:14,447 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:58:14,448 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:58:14,448 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:58:14,448 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:58:14,448 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:58:14,448 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:58:14,448 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:58:14,448 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 19:58:14,449 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:58:14,449 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:58:14,449 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 19:58:14,449 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_1181b4f3-26a0-4bc3-85bc-ce224e764a7a/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 [2018-10-26 19:58:14,477 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:58:14,486 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:58:14,489 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:58:14,490 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:58:14,491 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:58:14,491 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1181b4f3-26a0-4bc3-85bc-ce224e764a7a/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product15_true-unreach-call_false-termination.cil.c [2018-10-26 19:58:14,539 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1181b4f3-26a0-4bc3-85bc-ce224e764a7a/bin-2019/utaipan/data/ace1e72fa/97376930c92b47e1b84eaf869b46577c/FLAG998b45387 [2018-10-26 19:58:14,961 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:58:14,964 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1181b4f3-26a0-4bc3-85bc-ce224e764a7a/sv-benchmarks/c/product-lines/minepump_spec1_product15_true-unreach-call_false-termination.cil.c [2018-10-26 19:58:14,973 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1181b4f3-26a0-4bc3-85bc-ce224e764a7a/bin-2019/utaipan/data/ace1e72fa/97376930c92b47e1b84eaf869b46577c/FLAG998b45387 [2018-10-26 19:58:14,987 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1181b4f3-26a0-4bc3-85bc-ce224e764a7a/bin-2019/utaipan/data/ace1e72fa/97376930c92b47e1b84eaf869b46577c [2018-10-26 19:58:14,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:58:14,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:58:14,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:58:14,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:58:14,995 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:58:14,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:58:14" (1/1) ... [2018-10-26 19:58:14,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6934edcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:14, skipping insertion in model container [2018-10-26 19:58:14,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:58:14" (1/1) ... [2018-10-26 19:58:15,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:58:15,047 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:58:15,275 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:58:15,288 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:58:15,393 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:58:15,417 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:58:15,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:15 WrapperNode [2018-10-26 19:58:15,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:58:15,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:58:15,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:58:15,419 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:58:15,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:15" (1/1) ... [2018-10-26 19:58:15,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:15" (1/1) ... [2018-10-26 19:58:15,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:58:15,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:58:15,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:58:15,528 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:58:15,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:15" (1/1) ... [2018-10-26 19:58:15,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:15" (1/1) ... [2018-10-26 19:58:15,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:15" (1/1) ... [2018-10-26 19:58:15,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:15" (1/1) ... [2018-10-26 19:58:15,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:15" (1/1) ... [2018-10-26 19:58:15,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:15" (1/1) ... [2018-10-26 19:58:15,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:15" (1/1) ... [2018-10-26 19:58:15,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:58:15,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:58:15,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:58:15,583 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:58:15,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1181b4f3-26a0-4bc3-85bc-ce224e764a7a/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:58:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-26 19:58:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-26 19:58:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 19:58:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 19:58:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-10-26 19:58:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-10-26 19:58:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-26 19:58:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-26 19:58:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-26 19:58:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-26 19:58:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-26 19:58:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-26 19:58:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 19:58:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 19:58:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 19:58:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 19:58:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 19:58:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 19:58:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-26 19:58:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-26 19:58:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 19:58:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 19:58:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-26 19:58:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-26 19:58:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-26 19:58:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-26 19:58:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-10-26 19:58:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-10-26 19:58:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-26 19:58:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-26 19:58:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-26 19:58:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-26 19:58:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-10-26 19:58:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-10-26 19:58:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 19:58:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 19:58:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 19:58:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 19:58:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 19:58:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 19:58:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:58:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:58:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-26 19:58:15,659 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-26 19:58:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-10-26 19:58:15,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-10-26 19:58:16,655 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:58:16,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:58:16 BoogieIcfgContainer [2018-10-26 19:58:16,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:58:16,656 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 19:58:16,656 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 19:58:16,660 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 19:58:16,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:58:14" (1/3) ... [2018-10-26 19:58:16,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a4bc9a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:58:16, skipping insertion in model container [2018-10-26 19:58:16,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:15" (2/3) ... [2018-10-26 19:58:16,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a4bc9a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:58:16, skipping insertion in model container [2018-10-26 19:58:16,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:58:16" (3/3) ... [2018-10-26 19:58:16,664 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product15_true-unreach-call_false-termination.cil.c [2018-10-26 19:58:16,673 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 19:58:16,683 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 19:58:16,697 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 19:58:16,725 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 19:58:16,725 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 19:58:16,726 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 19:58:16,726 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 19:58:16,726 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 19:58:16,728 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 19:58:16,729 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 19:58:16,729 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 19:58:16,746 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2018-10-26 19:58:16,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 19:58:16,753 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:58:16,754 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] [2018-10-26 19:58:16,756 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:58:16,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:58:16,762 INFO L82 PathProgramCache]: Analyzing trace with hash -652737086, now seen corresponding path program 1 times [2018-10-26 19:58:16,764 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:58:16,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:58:16,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:58:16,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:58:16,801 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:58:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:58:17,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:58:17,027 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:58:17,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 19:58:17,028 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 19:58:17,033 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 19:58:17,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 19:58:17,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 19:58:17,048 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2018-10-26 19:58:17,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:58:17,075 INFO L93 Difference]: Finished difference Result 214 states and 269 transitions. [2018-10-26 19:58:17,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 19:58:17,077 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-10-26 19:58:17,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:58:17,085 INFO L225 Difference]: With dead ends: 214 [2018-10-26 19:58:17,086 INFO L226 Difference]: Without dead ends: 107 [2018-10-26 19:58:17,089 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 19:58:17,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-10-26 19:58:17,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-10-26 19:58:17,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-10-26 19:58:17,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 126 transitions. [2018-10-26 19:58:17,134 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 126 transitions. Word has length 46 [2018-10-26 19:58:17,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:58:17,134 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 126 transitions. [2018-10-26 19:58:17,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 19:58:17,134 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 126 transitions. [2018-10-26 19:58:17,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 19:58:17,136 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:58:17,136 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] [2018-10-26 19:58:17,137 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:58:17,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:58:17,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1199660489, now seen corresponding path program 1 times [2018-10-26 19:58:17,137 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:58:17,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:58:17,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:58:17,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:58:17,138 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:58:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:58:17,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:58:17,309 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:58:17,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:58:17,310 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 19:58:17,311 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 19:58:17,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 19:58:17,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:58:17,312 INFO L87 Difference]: Start difference. First operand 107 states and 126 transitions. Second operand 3 states. [2018-10-26 19:58:17,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:58:17,340 INFO L93 Difference]: Finished difference Result 155 states and 181 transitions. [2018-10-26 19:58:17,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:58:17,341 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-10-26 19:58:17,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:58:17,343 INFO L225 Difference]: With dead ends: 155 [2018-10-26 19:58:17,343 INFO L226 Difference]: Without dead ends: 97 [2018-10-26 19:58:17,344 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:58:17,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-10-26 19:58:17,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-10-26 19:58:17,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-10-26 19:58:17,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 113 transitions. [2018-10-26 19:58:17,356 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 113 transitions. Word has length 48 [2018-10-26 19:58:17,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:58:17,356 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 113 transitions. [2018-10-26 19:58:17,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 19:58:17,356 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 113 transitions. [2018-10-26 19:58:17,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 19:58:17,359 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:58:17,359 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] [2018-10-26 19:58:17,359 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:58:17,359 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:58:17,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1731593344, now seen corresponding path program 1 times [2018-10-26 19:58:17,360 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:58:17,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:58:17,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:58:17,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:58:17,361 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:58:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:58:17,591 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-10-26 19:58:17,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:58:17,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:58:17,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:58:17,597 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 19:58:17,598 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 19:58:17,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 19:58:17,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:58:17,599 INFO L87 Difference]: Start difference. First operand 97 states and 113 transitions. Second operand 3 states. [2018-10-26 19:58:17,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:58:17,676 INFO L93 Difference]: Finished difference Result 223 states and 269 transitions. [2018-10-26 19:58:17,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:58:17,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-10-26 19:58:17,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:58:17,681 INFO L225 Difference]: With dead ends: 223 [2018-10-26 19:58:17,681 INFO L226 Difference]: Without dead ends: 150 [2018-10-26 19:58:17,682 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:58:17,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-10-26 19:58:17,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 146. [2018-10-26 19:58:17,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-10-26 19:58:17,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 175 transitions. [2018-10-26 19:58:17,711 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 175 transitions. Word has length 52 [2018-10-26 19:58:17,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:58:17,711 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 175 transitions. [2018-10-26 19:58:17,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 19:58:17,712 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 175 transitions. [2018-10-26 19:58:17,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-26 19:58:17,715 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:58:17,716 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:58:17,716 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:58:17,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:58:17,716 INFO L82 PathProgramCache]: Analyzing trace with hash -681647216, now seen corresponding path program 1 times [2018-10-26 19:58:17,716 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:58:17,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:58:17,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:58:17,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:58:17,719 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:58:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:58:17,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:58:17,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:58:17,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 19:58:17,989 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 19:58:17,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 19:58:17,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 19:58:17,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 19:58:17,991 INFO L87 Difference]: Start difference. First operand 146 states and 175 transitions. Second operand 6 states. [2018-10-26 19:58:18,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:58:18,900 INFO L93 Difference]: Finished difference Result 379 states and 474 transitions. [2018-10-26 19:58:18,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 19:58:18,901 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-10-26 19:58:18,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:58:18,905 INFO L225 Difference]: With dead ends: 379 [2018-10-26 19:58:18,906 INFO L226 Difference]: Without dead ends: 257 [2018-10-26 19:58:18,907 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-26 19:58:18,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-10-26 19:58:18,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 253. [2018-10-26 19:58:18,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-10-26 19:58:18,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 308 transitions. [2018-10-26 19:58:18,938 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 308 transitions. Word has length 58 [2018-10-26 19:58:18,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:58:18,939 INFO L481 AbstractCegarLoop]: Abstraction has 253 states and 308 transitions. [2018-10-26 19:58:18,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 19:58:18,939 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 308 transitions. [2018-10-26 19:58:18,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-26 19:58:18,941 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:58:18,942 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] [2018-10-26 19:58:18,942 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:58:18,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:58:18,942 INFO L82 PathProgramCache]: Analyzing trace with hash -256962956, now seen corresponding path program 1 times [2018-10-26 19:58:18,942 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:58:18,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:58:18,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:58:18,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:58:18,944 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:58:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:58:19,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:58:19,087 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:58:19,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 19:58:19,087 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 19:58:19,088 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 19:58:19,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 19:58:19,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 19:58:19,088 INFO L87 Difference]: Start difference. First operand 253 states and 308 transitions. Second operand 7 states. [2018-10-26 19:58:19,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:58:19,573 INFO L93 Difference]: Finished difference Result 431 states and 542 transitions. [2018-10-26 19:58:19,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 19:58:19,576 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2018-10-26 19:58:19,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:58:19,577 INFO L225 Difference]: With dead ends: 431 [2018-10-26 19:58:19,577 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 19:58:19,579 INFO L605 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 [2018-10-26 19:58:19,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 19:58:19,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 19:58:19,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 19:58:19,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 19:58:19,580 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2018-10-26 19:58:19,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:58:19,580 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 19:58:19,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 19:58:19,580 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 19:58:19,581 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 19:58:19,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 19:58:20,141 WARN L179 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 9 [2018-10-26 19:58:20,358 WARN L179 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2018-10-26 19:58:20,730 WARN L179 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 18 [2018-10-26 19:58:21,372 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2018-10-26 19:58:21,670 WARN L179 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 18 [2018-10-26 19:58:21,797 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 388 395) the Hoare annotation is: true [2018-10-26 19:58:21,797 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 388 395) no Hoare annotation was computed. [2018-10-26 19:58:21,797 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 388 395) no Hoare annotation was computed. [2018-10-26 19:58:21,801 INFO L421 ceAbstractionStarter]: At program point L352(line 352) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-26 19:58:21,802 INFO L421 ceAbstractionStarter]: At program point L348(line 348) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-26 19:58:21,802 INFO L425 ceAbstractionStarter]: For program point L346(lines 346 354) no Hoare annotation was computed. [2018-10-26 19:58:21,802 INFO L421 ceAbstractionStarter]: At program point L344(line 344) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-26 19:58:21,802 INFO L425 ceAbstractionStarter]: For program point L344-1(line 344) no Hoare annotation was computed. [2018-10-26 19:58:21,802 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 338 362) no Hoare annotation was computed. [2018-10-26 19:58:21,802 INFO L425 ceAbstractionStarter]: For program point L342(lines 342 359) no Hoare annotation was computed. [2018-10-26 19:58:21,802 INFO L421 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)) [2018-10-26 19:58:21,802 INFO L421 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)) [2018-10-26 19:58:21,802 INFO L425 ceAbstractionStarter]: For program point L357-1(lines 338 362) no Hoare annotation was computed. [2018-10-26 19:58:21,802 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 246 252) the Hoare annotation is: true [2018-10-26 19:58:21,802 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 246 252) no Hoare annotation was computed. [2018-10-26 19:58:21,802 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 253 261) no Hoare annotation was computed. [2018-10-26 19:58:21,802 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 253 261) the Hoare annotation is: true [2018-10-26 19:58:21,803 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 253 261) no Hoare annotation was computed. [2018-10-26 19:58:21,803 INFO L421 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)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 19:58:21,803 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 468 533) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 19:58:21,803 INFO L425 ceAbstractionStarter]: For program point L479(lines 478 525) no Hoare annotation was computed. [2018-10-26 19:58:21,803 INFO L425 ceAbstractionStarter]: For program point L508(lines 508 521) no Hoare annotation was computed. [2018-10-26 19:58:21,803 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 468 533) no Hoare annotation was computed. [2018-10-26 19:58:21,803 INFO L421 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)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 19:58:21,803 INFO L425 ceAbstractionStarter]: For program point L498(lines 498 504) no Hoare annotation was computed. [2018-10-26 19:58:21,803 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 498 504) no Hoare annotation was computed. [2018-10-26 19:58:21,803 INFO L421 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)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 19:58:21,803 INFO L421 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)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 19:58:21,803 INFO L425 ceAbstractionStarter]: For program point L488(lines 488 494) no Hoare annotation was computed. [2018-10-26 19:58:21,803 INFO L425 ceAbstractionStarter]: For program point L488-1(lines 488 494) no Hoare annotation was computed. [2018-10-26 19:58:21,803 INFO L425 ceAbstractionStarter]: For program point L480(lines 480 484) no Hoare annotation was computed. [2018-10-26 19:58:21,803 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 478 525) no Hoare annotation was computed. [2018-10-26 19:58:21,804 INFO L421 ceAbstractionStarter]: At program point L526(lines 477 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 19:58:21,804 INFO L421 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)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 19:58:21,804 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 468 533) no Hoare annotation was computed. [2018-10-26 19:58:21,804 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 520) no Hoare annotation was computed. [2018-10-26 19:58:21,804 INFO L425 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-10-26 19:58:21,804 INFO L425 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-10-26 19:58:21,804 INFO L421 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 19:58:21,804 INFO L421 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 19:58:21,804 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 19:58:21,804 INFO L421 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 19:58:21,804 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-10-26 19:58:21,804 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-10-26 19:58:21,804 INFO L421 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 19:58:21,804 INFO L421 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 19:58:21,804 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-10-26 19:58:21,804 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 330 336) no Hoare annotation was computed. [2018-10-26 19:58:21,805 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 330 336) the Hoare annotation is: true [2018-10-26 19:58:21,805 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 452 466) no Hoare annotation was computed. [2018-10-26 19:58:21,805 INFO L421 ceAbstractionStarter]: At program point L458(line 458) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-10-26 19:58:21,805 INFO L425 ceAbstractionStarter]: For program point L456(lines 456 462) no Hoare annotation was computed. [2018-10-26 19:58:21,805 INFO L421 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)))) [2018-10-26 19:58:21,805 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 452 466) no Hoare annotation was computed. [2018-10-26 19:58:21,805 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 407 415) no Hoare annotation was computed. [2018-10-26 19:58:21,805 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 407 415) the Hoare annotation is: true [2018-10-26 19:58:21,805 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 407 415) no Hoare annotation was computed. [2018-10-26 19:58:21,805 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 19:58:21,805 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-10-26 19:58:21,805 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 19:58:21,809 INFO L425 ceAbstractionStarter]: For program point L178-1(lines 174 185) no Hoare annotation was computed. [2018-10-26 19:58:21,810 INFO L421 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)) [2018-10-26 19:58:21,810 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 174 185) no Hoare annotation was computed. [2018-10-26 19:58:21,810 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-10-26 19:58:21,810 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-10-26 19:58:21,810 INFO L428 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-10-26 19:58:21,810 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 66) no Hoare annotation was computed. [2018-10-26 19:58:21,810 INFO L428 ceAbstractionStarter]: At program point L52-3(lines 52 66) the Hoare annotation is: true [2018-10-26 19:58:21,810 INFO L428 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-10-26 19:58:21,810 INFO L425 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-10-26 19:58:21,810 INFO L428 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-10-26 19:58:21,811 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-10-26 19:58:21,811 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-10-26 19:58:21,811 INFO L425 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-10-26 19:58:21,811 INFO L421 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))) [2018-10-26 19:58:21,811 INFO L421 ceAbstractionStarter]: At program point L317(lines 317 323) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-10-26 19:58:21,811 INFO L421 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-10-26 19:58:21,811 INFO L425 ceAbstractionStarter]: For program point L310(lines 309 328) no Hoare annotation was computed. [2018-10-26 19:58:21,811 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 306 329) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-10-26 19:58:21,811 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 306 329) no Hoare annotation was computed. [2018-10-26 19:58:21,811 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 306 329) no Hoare annotation was computed. [2018-10-26 19:58:21,811 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 186 194) the Hoare annotation is: true [2018-10-26 19:58:21,812 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 186 194) no Hoare annotation was computed. [2018-10-26 19:58:21,812 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 186 194) no Hoare annotation was computed. [2018-10-26 19:58:21,812 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 150 161) the Hoare annotation is: true [2018-10-26 19:58:21,812 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 150 161) no Hoare annotation was computed. [2018-10-26 19:58:21,812 INFO L425 ceAbstractionStarter]: For program point L154-1(lines 150 161) no Hoare annotation was computed. [2018-10-26 19:58:21,812 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 239 245) no Hoare annotation was computed. [2018-10-26 19:58:21,812 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 239 245) the Hoare annotation is: true [2018-10-26 19:58:21,812 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 19:58:21,812 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0))) [2018-10-26 19:58:21,812 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 19:58:21,812 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 19:58:21,812 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-10-26 19:58:21,812 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-10-26 19:58:21,813 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 162 173) no Hoare annotation was computed. [2018-10-26 19:58:21,813 INFO L425 ceAbstractionStarter]: For program point L166-1(lines 162 173) no Hoare annotation was computed. [2018-10-26 19:58:21,813 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 162 173) the Hoare annotation is: true [2018-10-26 19:58:21,813 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 291 298) no Hoare annotation was computed. [2018-10-26 19:58:21,813 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 291 298) the Hoare annotation is: true [2018-10-26 19:58:21,813 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2018-10-26 19:58:21,813 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 291 298) no Hoare annotation was computed. [2018-10-26 19:58:21,813 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 19:58:21,813 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-10-26 19:58:21,813 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-10-26 19:58:21,814 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 265 289) the Hoare annotation is: true [2018-10-26 19:58:21,814 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 265 289) no Hoare annotation was computed. [2018-10-26 19:58:21,814 INFO L421 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-10-26 19:58:21,814 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 283) no Hoare annotation was computed. [2018-10-26 19:58:21,814 INFO L421 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-10-26 19:58:21,814 INFO L425 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2018-10-26 19:58:21,814 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 286) no Hoare annotation was computed. [2018-10-26 19:58:21,814 INFO L425 ceAbstractionStarter]: For program point L273-1(lines 265 289) no Hoare annotation was computed. [2018-10-26 19:58:21,814 INFO L428 ceAbstractionStarter]: At program point L271(line 271) the Hoare annotation is: true [2018-10-26 19:58:21,814 INFO L425 ceAbstractionStarter]: For program point L271-1(line 271) no Hoare annotation was computed. [2018-10-26 19:58:21,814 INFO L428 ceAbstractionStarter]: At program point L401(line 401) the Hoare annotation is: true [2018-10-26 19:58:21,815 INFO L425 ceAbstractionStarter]: For program point L401-1(line 401) no Hoare annotation was computed. [2018-10-26 19:58:21,815 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 396 406) the Hoare annotation is: true [2018-10-26 19:58:21,815 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 396 406) no Hoare annotation was computed. [2018-10-26 19:58:21,815 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 396 406) no Hoare annotation was computed. [2018-10-26 19:58:21,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:58:21 BoogieIcfgContainer [2018-10-26 19:58:21,833 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 19:58:21,833 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:58:21,833 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:58:21,833 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:58:21,834 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:58:16" (3/4) ... [2018-10-26 19:58:21,837 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 19:58:21,848 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 19:58:21,849 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-26 19:58:21,849 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-26 19:58:21,849 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-26 19:58:21,849 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-26 19:58:21,850 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 19:58:21,850 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-10-26 19:58:21,850 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-10-26 19:58:21,850 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-26 19:58:21,850 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 19:58:21,850 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 19:58:21,850 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 19:58:21,850 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 19:58:21,850 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 19:58:21,850 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-26 19:58:21,851 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-26 19:58:21,851 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-26 19:58:21,851 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 19:58:21,852 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-26 19:58:21,852 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-26 19:58:21,852 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-10-26 19:58:21,852 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-10-26 19:58:21,871 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 138 nodes and edges [2018-10-26 19:58:21,877 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 19:58:21,878 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-26 19:58:21,903 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) [2018-10-26 19:58:21,903 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) [2018-10-26 19:58:21,956 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1181b4f3-26a0-4bc3-85bc-ce224e764a7a/bin-2019/utaipan/witness.graphml [2018-10-26 19:58:21,956 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:58:21,957 INFO L168 Benchmark]: Toolchain (without parser) took 6967.19 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 227.5 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -172.1 MB). Peak memory consumption was 55.5 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:21,958 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:58:21,958 INFO L168 Benchmark]: CACSL2BoogieTranslator took 426.95 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 931.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:21,958 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 931.6 MB in the beginning and 1.2 GB in the end (delta: -227.3 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:21,958 INFO L168 Benchmark]: Boogie Preprocessor took 54.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:21,959 INFO L168 Benchmark]: RCFGBuilder took 1072.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 82.0 MB). Peak memory consumption was 82.0 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:21,959 INFO L168 Benchmark]: TraceAbstraction took 5176.70 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 56.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -67.9 MB). Peak memory consumption was 234.2 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:21,959 INFO L168 Benchmark]: Witness Printer took 123.39 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:21,961 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 426.95 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 931.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 108.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 931.6 MB in the beginning and 1.2 GB in the end (delta: -227.3 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1072.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 82.0 MB). Peak memory consumption was 82.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5176.70 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 56.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -67.9 MB). Peak memory consumption was 234.2 MB. Max. memory is 11.5 GB. * Witness Printer took 123.39 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) - 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) == 0) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 120 locations, 1 error locations. SAFE Result, 5.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 578 SDtfs, 245 SDslu, 687 SDs, 0 SdLazy, 226 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=253occurred 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, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 317 PreInvPairs, 348 NumberOfFragments, 455 HoareAnnotationTreeSize, 317 FomulaSimplifications, 252 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 51 FomulaSimplificationsInter, 1093 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 26912 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...