./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product11_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_5e1854a6-b9cb-4f73-8604-3d66e8d8abc3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5e1854a6-b9cb-4f73-8604-3d66e8d8abc3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5e1854a6-b9cb-4f73-8604-3d66e8d8abc3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5e1854a6-b9cb-4f73-8604-3d66e8d8abc3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product11_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5e1854a6-b9cb-4f73-8604-3d66e8d8abc3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5e1854a6-b9cb-4f73-8604-3d66e8d8abc3/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 f23bb253fda469390163082e0c766ae9a3058c00 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 03:21:10,531 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:21:10,532 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:21:10,539 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:21:10,539 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:21:10,540 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:21:10,540 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:21:10,542 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:21:10,543 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:21:10,543 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:21:10,544 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:21:10,544 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:21:10,544 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:21:10,545 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:21:10,546 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:21:10,546 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:21:10,547 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:21:10,548 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:21:10,549 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:21:10,550 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:21:10,551 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:21:10,552 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:21:10,553 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:21:10,553 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:21:10,554 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:21:10,554 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:21:10,555 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:21:10,555 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:21:10,556 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:21:10,557 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:21:10,557 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:21:10,557 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:21:10,558 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:21:10,558 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:21:10,558 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:21:10,559 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:21:10,559 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5e1854a6-b9cb-4f73-8604-3d66e8d8abc3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 03:21:10,569 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:21:10,569 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:21:10,569 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:21:10,570 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 03:21:10,570 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 03:21:10,570 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 03:21:10,570 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 03:21:10,570 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 03:21:10,570 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 03:21:10,570 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 03:21:10,570 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 03:21:10,571 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:21:10,571 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:21:10,571 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:21:10,571 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:21:10,571 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:21:10,572 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:21:10,572 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:21:10,572 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:21:10,572 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:21:10,572 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:21:10,572 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:21:10,572 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:21:10,573 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:21:10,573 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:21:10,573 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 03:21:10,573 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:21:10,573 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:21:10,573 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:21:10,573 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:21:10,573 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 03:21:10,573 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:21:10,573 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:21:10,574 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 03:21:10,574 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_5e1854a6-b9cb-4f73-8604-3d66e8d8abc3/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 -> f23bb253fda469390163082e0c766ae9a3058c00 [2018-11-10 03:21:10,598 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:21:10,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:21:10,610 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:21:10,611 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:21:10,611 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:21:10,612 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5e1854a6-b9cb-4f73-8604-3d66e8d8abc3/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product11_true-unreach-call_false-termination.cil.c [2018-11-10 03:21:10,651 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5e1854a6-b9cb-4f73-8604-3d66e8d8abc3/bin-2019/utaipan/data/44a8fdaa3/9ca4267e72ab40c6a3025e661470e207/FLAG9ba4b45af [2018-11-10 03:21:11,008 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:21:11,008 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5e1854a6-b9cb-4f73-8604-3d66e8d8abc3/sv-benchmarks/c/product-lines/minepump_spec1_product11_true-unreach-call_false-termination.cil.c [2018-11-10 03:21:11,018 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5e1854a6-b9cb-4f73-8604-3d66e8d8abc3/bin-2019/utaipan/data/44a8fdaa3/9ca4267e72ab40c6a3025e661470e207/FLAG9ba4b45af [2018-11-10 03:21:11,028 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5e1854a6-b9cb-4f73-8604-3d66e8d8abc3/bin-2019/utaipan/data/44a8fdaa3/9ca4267e72ab40c6a3025e661470e207 [2018-11-10 03:21:11,030 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:21:11,031 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:21:11,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:21:11,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:21:11,034 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:21:11,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:21:11" (1/1) ... [2018-11-10 03:21:11,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ddab3cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:11, skipping insertion in model container [2018-11-10 03:21:11,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:21:11" (1/1) ... [2018-11-10 03:21:11,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:21:11,071 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:21:11,252 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:21:11,259 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:21:11,311 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:21:11,328 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:21:11,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:11 WrapperNode [2018-11-10 03:21:11,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:21:11,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:21:11,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:21:11,329 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:21:11,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:11" (1/1) ... [2018-11-10 03:21:11,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:11" (1/1) ... [2018-11-10 03:21:11,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:21:11,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:21:11,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:21:11,418 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:21:11,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:11" (1/1) ... [2018-11-10 03:21:11,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:11" (1/1) ... [2018-11-10 03:21:11,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:11" (1/1) ... [2018-11-10 03:21:11,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:11" (1/1) ... [2018-11-10 03:21:11,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:11" (1/1) ... [2018-11-10 03:21:11,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:11" (1/1) ... [2018-11-10 03:21:11,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:11" (1/1) ... [2018-11-10 03:21:11,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:21:11,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:21:11,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:21:11,450 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:21:11,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e1854a6-b9cb-4f73-8604-3d66e8d8abc3/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:21:11,496 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 03:21:11,496 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 03:21:11,496 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 03:21:11,496 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 03:21:11,496 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-10 03:21:11,496 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-10 03:21:11,496 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 03:21:11,496 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 03:21:11,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 03:21:11,497 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 03:21:11,497 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 03:21:11,497 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 03:21:11,497 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 03:21:11,497 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 03:21:11,497 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 03:21:11,497 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 03:21:11,498 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 03:21:11,498 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 03:21:11,498 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 03:21:11,498 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 03:21:11,498 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 03:21:11,498 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 03:21:11,498 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 03:21:11,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 03:21:11,498 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 03:21:11,499 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 03:21:11,499 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 03:21:11,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 03:21:11,499 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 03:21:11,499 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 03:21:11,499 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 03:21:11,499 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 03:21:11,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 03:21:11,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 03:21:11,500 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 03:21:11,500 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 03:21:11,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:21:11,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:21:11,500 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 03:21:11,500 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 03:21:11,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-10 03:21:11,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-10 03:21:12,027 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:21:12,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:21:12 BoogieIcfgContainer [2018-11-10 03:21:12,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:21:12,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 03:21:12,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 03:21:12,032 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 03:21:12,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:21:11" (1/3) ... [2018-11-10 03:21:12,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38516561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:21:12, skipping insertion in model container [2018-11-10 03:21:12,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:11" (2/3) ... [2018-11-10 03:21:12,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38516561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:21:12, skipping insertion in model container [2018-11-10 03:21:12,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:21:12" (3/3) ... [2018-11-10 03:21:12,035 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product11_true-unreach-call_false-termination.cil.c [2018-11-10 03:21:12,042 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 03:21:12,049 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 03:21:12,061 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 03:21:12,086 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 03:21:12,086 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 03:21:12,086 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 03:21:12,086 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:21:12,086 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:21:12,086 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 03:21:12,087 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:21:12,087 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 03:21:12,100 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2018-11-10 03:21:12,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 03:21:12,106 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:21:12,106 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:21:12,108 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:21:12,113 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:21:12,113 INFO L82 PathProgramCache]: Analyzing trace with hash 918619496, now seen corresponding path program 1 times [2018-11-10 03:21:12,115 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:21:12,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:21:12,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:21:12,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:21:12,144 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:21:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:21:12,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:21:12,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:21:12,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 03:21:12,306 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:21:12,309 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 03:21:12,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 03:21:12,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 03:21:12,319 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2018-11-10 03:21:12,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:21:12,342 INFO L93 Difference]: Finished difference Result 184 states and 229 transitions. [2018-11-10 03:21:12,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 03:21:12,343 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-10 03:21:12,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:21:12,350 INFO L225 Difference]: With dead ends: 184 [2018-11-10 03:21:12,350 INFO L226 Difference]: Without dead ends: 92 [2018-11-10 03:21:12,352 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 [2018-11-10 03:21:12,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-11-10 03:21:12,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-11-10 03:21:12,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-11-10 03:21:12,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 106 transitions. [2018-11-10 03:21:12,385 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 106 transitions. Word has length 46 [2018-11-10 03:21:12,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:21:12,385 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 106 transitions. [2018-11-10 03:21:12,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 03:21:12,385 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 106 transitions. [2018-11-10 03:21:12,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 03:21:12,387 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:21:12,387 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:21:12,388 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:21:12,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:21:12,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1759403375, now seen corresponding path program 1 times [2018-11-10 03:21:12,388 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:21:12,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:21:12,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:21:12,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:21:12,389 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:21:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:21:12,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:21:12,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:21:12,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 03:21:12,466 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:21:12,467 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 03:21:12,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 03:21:12,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 03:21:12,468 INFO L87 Difference]: Start difference. First operand 92 states and 106 transitions. Second operand 3 states. [2018-11-10 03:21:12,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:21:12,480 INFO L93 Difference]: Finished difference Result 122 states and 139 transitions. [2018-11-10 03:21:12,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 03:21:12,481 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-10 03:21:12,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:21:12,482 INFO L225 Difference]: With dead ends: 122 [2018-11-10 03:21:12,482 INFO L226 Difference]: Without dead ends: 82 [2018-11-10 03:21:12,483 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 [2018-11-10 03:21:12,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-11-10 03:21:12,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-11-10 03:21:12,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-11-10 03:21:12,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2018-11-10 03:21:12,491 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 48 [2018-11-10 03:21:12,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:21:12,491 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2018-11-10 03:21:12,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 03:21:12,492 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2018-11-10 03:21:12,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 03:21:12,493 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:21:12,493 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:21:12,493 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:21:12,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:21:12,493 INFO L82 PathProgramCache]: Analyzing trace with hash -2073996782, now seen corresponding path program 1 times [2018-11-10 03:21:12,494 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:21:12,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:21:12,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:21:12,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:21:12,495 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:21:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:21:12,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:21:12,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:21:12,593 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 03:21:12,593 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:21:12,594 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 03:21:12,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 03:21:12,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 03:21:12,594 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 7 states. [2018-11-10 03:21:12,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:21:12,893 INFO L93 Difference]: Finished difference Result 249 states and 298 transitions. [2018-11-10 03:21:12,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 03:21:12,893 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-10 03:21:12,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:21:12,896 INFO L225 Difference]: With dead ends: 249 [2018-11-10 03:21:12,896 INFO L226 Difference]: Without dead ends: 191 [2018-11-10 03:21:12,897 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-10 03:21:12,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2018-11-10 03:21:12,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 171. [2018-11-10 03:21:12,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-11-10 03:21:12,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 203 transitions. [2018-11-10 03:21:12,916 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 203 transitions. Word has length 52 [2018-11-10 03:21:12,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:21:12,916 INFO L481 AbstractCegarLoop]: Abstraction has 171 states and 203 transitions. [2018-11-10 03:21:12,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 03:21:12,917 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 203 transitions. [2018-11-10 03:21:12,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-10 03:21:12,918 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:21:12,918 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] [2018-11-10 03:21:12,918 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:21:12,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:21:12,919 INFO L82 PathProgramCache]: Analyzing trace with hash -980276550, now seen corresponding path program 1 times [2018-11-10 03:21:12,919 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:21:12,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:21:12,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:21:12,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:21:12,920 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:21:12,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:21:13,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:21:13,002 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:21:13,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 03:21:13,003 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:21:13,003 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 03:21:13,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 03:21:13,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 03:21:13,004 INFO L87 Difference]: Start difference. First operand 171 states and 203 transitions. Second operand 6 states. [2018-11-10 03:21:13,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:21:13,116 INFO L93 Difference]: Finished difference Result 450 states and 557 transitions. [2018-11-10 03:21:13,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 03:21:13,117 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2018-11-10 03:21:13,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:21:13,120 INFO L225 Difference]: With dead ends: 450 [2018-11-10 03:21:13,120 INFO L226 Difference]: Without dead ends: 303 [2018-11-10 03:21:13,121 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 03:21:13,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2018-11-10 03:21:13,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 297. [2018-11-10 03:21:13,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2018-11-10 03:21:13,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 356 transitions. [2018-11-10 03:21:13,147 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 356 transitions. Word has length 55 [2018-11-10 03:21:13,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:21:13,148 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 356 transitions. [2018-11-10 03:21:13,148 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 03:21:13,148 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 356 transitions. [2018-11-10 03:21:13,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 03:21:13,149 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:21:13,150 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] [2018-11-10 03:21:13,150 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:21:13,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:21:13,150 INFO L82 PathProgramCache]: Analyzing trace with hash -732635754, now seen corresponding path program 1 times [2018-11-10 03:21:13,150 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:21:13,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:21:13,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:21:13,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:21:13,151 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:21:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:21:13,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:21:13,227 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:21:13,228 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 03:21:13,228 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:21:13,228 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 03:21:13,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 03:21:13,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 03:21:13,229 INFO L87 Difference]: Start difference. First operand 297 states and 356 transitions. Second operand 6 states. [2018-11-10 03:21:13,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:21:13,394 INFO L93 Difference]: Finished difference Result 541 states and 664 transitions. [2018-11-10 03:21:13,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 03:21:13,395 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2018-11-10 03:21:13,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:21:13,396 INFO L225 Difference]: With dead ends: 541 [2018-11-10 03:21:13,396 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 03:21:13,397 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 03:21:13,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 03:21:13,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 03:21:13,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 03:21:13,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 03:21:13,398 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2018-11-10 03:21:13,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:21:13,398 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 03:21:13,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 03:21:13,399 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 03:21:13,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 03:21:13,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 03:21:13,702 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 247 254) the Hoare annotation is: true [2018-11-10 03:21:13,702 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 247 254) no Hoare annotation was computed. [2018-11-10 03:21:13,702 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 247 254) no Hoare annotation was computed. [2018-11-10 03:21:13,702 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 214 220) no Hoare annotation was computed. [2018-11-10 03:21:13,702 INFO L428 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 214 220) the Hoare annotation is: true [2018-11-10 03:21:13,703 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2018-11-10 03:21:13,703 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2018-11-10 03:21:13,703 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2018-11-10 03:21:13,703 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2018-11-10 03:21:13,703 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2018-11-10 03:21:13,703 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 327 392) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:21:13,703 INFO L421 ceAbstractionStarter]: At program point L382(lines 337 384) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:21:13,703 INFO L421 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:21:13,704 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 353) no Hoare annotation was computed. [2018-11-10 03:21:13,704 INFO L425 ceAbstractionStarter]: For program point L347-1(lines 347 353) no Hoare annotation was computed. [2018-11-10 03:21:13,704 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 327 392) no Hoare annotation was computed. [2018-11-10 03:21:13,704 INFO L425 ceAbstractionStarter]: For program point L339(lines 339 343) no Hoare annotation was computed. [2018-11-10 03:21:13,704 INFO L425 ceAbstractionStarter]: For program point L337-1(lines 337 384) no Hoare annotation was computed. [2018-11-10 03:21:13,704 INFO L421 ceAbstractionStarter]: At program point L385(lines 336 386) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:21:13,704 INFO L421 ceAbstractionStarter]: At program point L375(line 375) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:21:13,704 INFO L425 ceAbstractionStarter]: For program point L373(lines 373 379) no Hoare annotation was computed. [2018-11-10 03:21:13,707 INFO L421 ceAbstractionStarter]: At program point L373-1(lines 367 380) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:21:13,707 INFO L425 ceAbstractionStarter]: For program point L338(lines 337 384) no Hoare annotation was computed. [2018-11-10 03:21:13,707 INFO L425 ceAbstractionStarter]: For program point L367(lines 367 380) no Hoare annotation was computed. [2018-11-10 03:21:13,707 INFO L421 ceAbstractionStarter]: At program point L359(line 359) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:21:13,707 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 363) no Hoare annotation was computed. [2018-11-10 03:21:13,707 INFO L425 ceAbstractionStarter]: For program point L357-1(lines 357 363) no Hoare annotation was computed. [2018-11-10 03:21:13,707 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 327 392) no Hoare annotation was computed. [2018-11-10 03:21:13,707 INFO L425 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-10 03:21:13,707 INFO L425 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-10 03:21:13,707 INFO L421 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:21:13,708 INFO L421 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:21:13,708 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:21:13,708 INFO L421 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:21:13,708 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-10 03:21:13,708 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-10 03:21:13,708 INFO L421 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))) [2018-11-10 03:21:13,708 INFO L421 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))) [2018-11-10 03:21:13,708 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-10 03:21:13,708 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 311 325) no Hoare annotation was computed. [2018-11-10 03:21:13,708 INFO L421 ceAbstractionStarter]: At program point L317(line 317) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-10 03:21:13,708 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 321) no Hoare annotation was computed. [2018-11-10 03:21:13,709 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 311 325) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-10 03:21:13,709 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 311 325) no Hoare annotation was computed. [2018-11-10 03:21:13,709 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 266 274) no Hoare annotation was computed. [2018-11-10 03:21:13,709 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 266 274) the Hoare annotation is: true [2018-11-10 03:21:13,709 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 266 274) no Hoare annotation was computed. [2018-11-10 03:21:13,709 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 03:21:13,709 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 03:21:13,709 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 03:21:13,709 INFO L425 ceAbstractionStarter]: For program point L434-1(lines 430 441) no Hoare annotation was computed. [2018-11-10 03:21:13,709 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 430 441) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:21:13,709 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 430 441) no Hoare annotation was computed. [2018-11-10 03:21:13,709 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-10 03:21:13,709 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-10 03:21:13,709 INFO L428 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-10 03:21:13,710 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 66) no Hoare annotation was computed. [2018-11-10 03:21:13,710 INFO L428 ceAbstractionStarter]: At program point L52-3(lines 52 66) the Hoare annotation is: true [2018-11-10 03:21:13,710 INFO L428 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-10 03:21:13,710 INFO L425 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-10 03:21:13,710 INFO L428 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-10 03:21:13,710 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-10 03:21:13,710 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-10 03:21:13,710 INFO L425 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-10 03:21:13,710 INFO L428 ceAbstractionStarter]: At program point timeShiftENTRY(lines 190 213) the Hoare annotation is: true [2018-11-10 03:21:13,710 INFO L421 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (or (not (= ~systemActive~0 0)) (not (= 0 ~pumpRunning~0))) [2018-11-10 03:21:13,710 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 190 213) no Hoare annotation was computed. [2018-11-10 03:21:13,710 INFO L428 ceAbstractionStarter]: At program point L201(lines 201 207) the Hoare annotation is: true [2018-11-10 03:21:13,710 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 190 213) no Hoare annotation was computed. [2018-11-10 03:21:13,711 INFO L421 ceAbstractionStarter]: At program point L196(line 196) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-10 03:21:13,711 INFO L425 ceAbstractionStarter]: For program point L194(lines 193 212) no Hoare annotation was computed. [2018-11-10 03:21:13,711 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 442 450) the Hoare annotation is: true [2018-11-10 03:21:13,711 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 442 450) no Hoare annotation was computed. [2018-11-10 03:21:13,711 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 442 450) no Hoare annotation was computed. [2018-11-10 03:21:13,712 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 406 417) the Hoare annotation is: true [2018-11-10 03:21:13,712 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 406 417) no Hoare annotation was computed. [2018-11-10 03:21:13,712 INFO L425 ceAbstractionStarter]: For program point L410-1(lines 406 417) no Hoare annotation was computed. [2018-11-10 03:21:13,712 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2018-11-10 03:21:13,712 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2018-11-10 03:21:13,712 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 03:21:13,712 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-10 03:21:13,712 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 03:21:13,712 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 03:21:13,712 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-10 03:21:13,712 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-10 03:21:13,713 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 418 429) no Hoare annotation was computed. [2018-11-10 03:21:13,713 INFO L425 ceAbstractionStarter]: For program point L422-1(lines 418 429) no Hoare annotation was computed. [2018-11-10 03:21:13,713 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 418 429) the Hoare annotation is: true [2018-11-10 03:21:13,713 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 394 401) no Hoare annotation was computed. [2018-11-10 03:21:13,713 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 394 401) the Hoare annotation is: true [2018-11-10 03:21:13,713 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 398) no Hoare annotation was computed. [2018-11-10 03:21:13,713 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 394 401) no Hoare annotation was computed. [2018-11-10 03:21:13,713 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:21:13,713 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-10 03:21:13,713 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-10 03:21:13,713 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 484 508) the Hoare annotation is: true [2018-11-10 03:21:13,713 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 484 508) no Hoare annotation was computed. [2018-11-10 03:21:13,714 INFO L421 ceAbstractionStarter]: At program point L498(line 498) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-10 03:21:13,714 INFO L425 ceAbstractionStarter]: For program point L496(lines 496 502) no Hoare annotation was computed. [2018-11-10 03:21:13,714 INFO L421 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-10 03:21:13,714 INFO L425 ceAbstractionStarter]: For program point L494-1(line 494) no Hoare annotation was computed. [2018-11-10 03:21:13,714 INFO L425 ceAbstractionStarter]: For program point L492(lines 492 505) no Hoare annotation was computed. [2018-11-10 03:21:13,714 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 484 508) no Hoare annotation was computed. [2018-11-10 03:21:13,714 INFO L428 ceAbstractionStarter]: At program point L490(line 490) the Hoare annotation is: true [2018-11-10 03:21:13,714 INFO L425 ceAbstractionStarter]: For program point L490-1(line 490) no Hoare annotation was computed. [2018-11-10 03:21:13,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 03:21:13 BoogieIcfgContainer [2018-11-10 03:21:13,725 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 03:21:13,725 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:21:13,725 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:21:13,725 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:21:13,726 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:21:12" (3/4) ... [2018-11-10 03:21:13,728 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 03:21:13,732 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 03:21:13,732 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 03:21:13,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 03:21:13,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 03:21:13,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 03:21:13,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 03:21:13,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-10 03:21:13,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 03:21:13,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 03:21:13,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 03:21:13,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 03:21:13,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 03:21:13,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 03:21:13,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 03:21:13,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 03:21:13,734 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 03:21:13,734 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 03:21:13,734 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 03:21:13,734 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 03:21:13,734 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-10 03:21:13,741 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 137 nodes and edges [2018-11-10 03:21:13,742 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 03:21:13,742 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 03:21:13,763 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 03:21:13,763 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 03:21:13,796 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5e1854a6-b9cb-4f73-8604-3d66e8d8abc3/bin-2019/utaipan/witness.graphml [2018-11-10 03:21:13,796 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:21:13,797 INFO L168 Benchmark]: Toolchain (without parser) took 2766.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 963.0 MB in the beginning and 1.0 GB in the end (delta: -70.5 MB). Peak memory consumption was 74.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:21:13,798 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:21:13,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.83 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 936.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 03:21:13,798 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 936.2 MB in the beginning and 1.1 GB in the end (delta: -203.1 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-10 03:21:13,799 INFO L168 Benchmark]: Boogie Preprocessor took 32.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:21:13,799 INFO L168 Benchmark]: RCFGBuilder took 578.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 85.2 MB). Peak memory consumption was 85.2 MB. Max. memory is 11.5 GB. [2018-11-10 03:21:13,799 INFO L168 Benchmark]: TraceAbstraction took 1696.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-10 03:21:13,799 INFO L168 Benchmark]: Witness Printer took 70.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:21:13,801 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 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 296.83 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 936.2 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 88.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 936.2 MB in the beginning and 1.1 GB in the end (delta: -203.1 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 578.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 85.2 MB). Peak memory consumption was 85.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1696.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Witness Printer took 70.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 398]: 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: 336]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 105 locations, 1 error locations. SAFE Result, 1.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 494 SDtfs, 242 SDslu, 1007 SDs, 0 SdLazy, 230 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=297occurred 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, 26 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 300 PreInvPairs, 341 NumberOfFragments, 385 HoareAnnotationTreeSize, 300 FomulaSimplifications, 300 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 44 FomulaSimplificationsInter, 1209 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 255 ConstructedInterpolants, 0 QuantifiedInterpolants, 24823 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...