./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product10_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ce93488f-24e5-4006-b5a3-67887760a3a0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ce93488f-24e5-4006-b5a3-67887760a3a0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ce93488f-24e5-4006-b5a3-67887760a3a0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ce93488f-24e5-4006-b5a3-67887760a3a0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product10_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ce93488f-24e5-4006-b5a3-67887760a3a0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ce93488f-24e5-4006-b5a3-67887760a3a0/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 e860f9a133bb6d76e1501dcd276032def5c8511b ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 10:35:49,678 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:35:49,679 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:35:49,685 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:35:49,685 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:35:49,686 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:35:49,687 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:35:49,687 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:35:49,688 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:35:49,689 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:35:49,689 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:35:49,689 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:35:49,690 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:35:49,690 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:35:49,691 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:35:49,691 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:35:49,691 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:35:49,692 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:35:49,693 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:35:49,694 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:35:49,694 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:35:49,695 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:35:49,696 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:35:49,696 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:35:49,696 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:35:49,697 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:35:49,697 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:35:49,698 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:35:49,698 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:35:49,699 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:35:49,699 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:35:49,699 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:35:49,699 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:35:49,700 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:35:49,700 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:35:49,700 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:35:49,701 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ce93488f-24e5-4006-b5a3-67887760a3a0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 10:35:49,708 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:35:49,708 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:35:49,709 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:35:49,709 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 10:35:49,709 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 10:35:49,709 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 10:35:49,709 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 10:35:49,709 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 10:35:49,709 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 10:35:49,709 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 10:35:49,709 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 10:35:49,709 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 10:35:49,710 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 10:35:49,710 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:35:49,710 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 10:35:49,710 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:35:49,710 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 10:35:49,710 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:35:49,710 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 10:35:49,710 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:35:49,710 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 10:35:49,711 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 10:35:49,711 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:35:49,711 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 10:35:49,711 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:35:49,711 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 10:35:49,711 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:35:49,711 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 10:35:49,711 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:35:49,711 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:35:49,711 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:35:49,711 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 10:35:49,712 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 10:35:49,712 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:35:49,712 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 10:35:49,712 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 10:35:49,712 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_ce93488f-24e5-4006-b5a3-67887760a3a0/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 -> e860f9a133bb6d76e1501dcd276032def5c8511b [2018-12-09 10:35:49,730 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:35:49,739 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:35:49,742 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:35:49,743 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:35:49,743 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:35:49,744 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ce93488f-24e5-4006-b5a3-67887760a3a0/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product10_true-unreach-call_false-termination.cil.c [2018-12-09 10:35:49,790 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ce93488f-24e5-4006-b5a3-67887760a3a0/bin-2019/utaipan/data/b7882bcff/fcb512b4ecd14da08aaf86abd6a1ff88/FLAGa37538313 [2018-12-09 10:35:50,118 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:35:50,119 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ce93488f-24e5-4006-b5a3-67887760a3a0/sv-benchmarks/c/product-lines/minepump_spec1_product10_true-unreach-call_false-termination.cil.c [2018-12-09 10:35:50,124 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ce93488f-24e5-4006-b5a3-67887760a3a0/bin-2019/utaipan/data/b7882bcff/fcb512b4ecd14da08aaf86abd6a1ff88/FLAGa37538313 [2018-12-09 10:35:50,132 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ce93488f-24e5-4006-b5a3-67887760a3a0/bin-2019/utaipan/data/b7882bcff/fcb512b4ecd14da08aaf86abd6a1ff88 [2018-12-09 10:35:50,134 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:35:50,134 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:35:50,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:35:50,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:35:50,137 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:35:50,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:35:50" (1/1) ... [2018-12-09 10:35:50,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:35:50, skipping insertion in model container [2018-12-09 10:35:50,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:35:50" (1/1) ... [2018-12-09 10:35:50,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:35:50,163 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:35:50,303 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:35:50,311 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:35:50,392 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:35:50,406 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:35:50,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:35:50 WrapperNode [2018-12-09 10:35:50,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:35:50,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:35:50,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:35:50,408 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:35:50,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:35:50" (1/1) ... [2018-12-09 10:35:50,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:35:50" (1/1) ... [2018-12-09 10:35:50,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:35:50,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:35:50,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:35:50,435 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:35:50,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:35:50" (1/1) ... [2018-12-09 10:35:50,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:35:50" (1/1) ... [2018-12-09 10:35:50,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:35:50" (1/1) ... [2018-12-09 10:35:50,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:35:50" (1/1) ... [2018-12-09 10:35:50,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:35:50" (1/1) ... [2018-12-09 10:35:50,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:35:50" (1/1) ... [2018-12-09 10:35:50,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:35:50" (1/1) ... [2018-12-09 10:35:50,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:35:50,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:35:50,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:35:50,456 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:35:50,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:35:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ce93488f-24e5-4006-b5a3-67887760a3a0/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:35:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 10:35:50,487 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 10:35:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 10:35:50,487 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 10:35:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 10:35:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 10:35:50,487 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 10:35:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 10:35:50,488 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 10:35:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 10:35:50,488 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 10:35:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 10:35:50,488 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 10:35:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 10:35:50,488 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 10:35:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 10:35:50,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 10:35:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 10:35:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 10:35:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 10:35:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 10:35:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 10:35:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 10:35:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 10:35:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 10:35:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 10:35:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 10:35:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 10:35:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 10:35:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 10:35:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 10:35:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 10:35:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 10:35:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 10:35:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 10:35:50,490 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 10:35:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 10:35:50,490 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 10:35:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:35:50,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:35:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-09 10:35:50,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-09 10:35:50,801 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:35:50,801 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 10:35:50,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:35:50 BoogieIcfgContainer [2018-12-09 10:35:50,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:35:50,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 10:35:50,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 10:35:50,804 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 10:35:50,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:35:50" (1/3) ... [2018-12-09 10:35:50,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@367afd0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:35:50, skipping insertion in model container [2018-12-09 10:35:50,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:35:50" (2/3) ... [2018-12-09 10:35:50,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@367afd0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:35:50, skipping insertion in model container [2018-12-09 10:35:50,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:35:50" (3/3) ... [2018-12-09 10:35:50,806 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product10_true-unreach-call_false-termination.cil.c [2018-12-09 10:35:50,811 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 10:35:50,816 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 10:35:50,824 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 10:35:50,842 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 10:35:50,842 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 10:35:50,842 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 10:35:50,842 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 10:35:50,842 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 10:35:50,843 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 10:35:50,843 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 10:35:50,843 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 10:35:50,853 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2018-12-09 10:35:50,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 10:35:50,857 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:35:50,858 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:35:50,859 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:35:50,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:35:50,862 INFO L82 PathProgramCache]: Analyzing trace with hash -427899170, now seen corresponding path program 1 times [2018-12-09 10:35:50,864 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:35:50,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:35:50,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:35:50,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:35:50,891 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:35:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:35:51,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:35:51,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:35:51,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 10:35:51,011 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:35:51,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 10:35:51,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 10:35:51,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 10:35:51,023 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 2 states. [2018-12-09 10:35:51,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:35:51,041 INFO L93 Difference]: Finished difference Result 170 states and 213 transitions. [2018-12-09 10:35:51,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 10:35:51,042 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 10:35:51,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:35:51,048 INFO L225 Difference]: With dead ends: 170 [2018-12-09 10:35:51,048 INFO L226 Difference]: Without dead ends: 85 [2018-12-09 10:35:51,050 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 10:35:51,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-12-09 10:35:51,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-12-09 10:35:51,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-12-09 10:35:51,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2018-12-09 10:35:51,075 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 46 [2018-12-09 10:35:51,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:35:51,075 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2018-12-09 10:35:51,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 10:35:51,076 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2018-12-09 10:35:51,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 10:35:51,077 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:35:51,077 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:35:51,077 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:35:51,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:35:51,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1283209284, now seen corresponding path program 1 times [2018-12-09 10:35:51,078 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:35:51,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:35:51,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:35:51,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:35:51,078 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:35:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:35:51,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:35:51,125 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:35:51,125 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 10:35:51,125 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:35:51,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:35:51,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:35:51,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:35:51,127 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 3 states. [2018-12-09 10:35:51,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:35:51,136 INFO L93 Difference]: Finished difference Result 115 states and 131 transitions. [2018-12-09 10:35:51,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:35:51,136 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 10:35:51,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:35:51,137 INFO L225 Difference]: With dead ends: 115 [2018-12-09 10:35:51,137 INFO L226 Difference]: Without dead ends: 76 [2018-12-09 10:35:51,138 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:35:51,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-09 10:35:51,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-12-09 10:35:51,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-09 10:35:51,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2018-12-09 10:35:51,143 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 47 [2018-12-09 10:35:51,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:35:51,144 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2018-12-09 10:35:51,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:35:51,144 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2018-12-09 10:35:51,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 10:35:51,145 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:35:51,145 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:35:51,145 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:35:51,145 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:35:51,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1443249335, now seen corresponding path program 1 times [2018-12-09 10:35:51,145 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:35:51,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:35:51,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:35:51,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:35:51,146 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:35:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:35:51,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:35:51,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:35:51,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 10:35:51,211 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:35:51,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 10:35:51,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 10:35:51,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:35:51,211 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 7 states. [2018-12-09 10:35:51,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:35:51,322 INFO L93 Difference]: Finished difference Result 128 states and 149 transitions. [2018-12-09 10:35:51,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 10:35:51,322 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-09 10:35:51,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:35:51,323 INFO L225 Difference]: With dead ends: 128 [2018-12-09 10:35:51,323 INFO L226 Difference]: Without dead ends: 76 [2018-12-09 10:35:51,324 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 10:35:51,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-09 10:35:51,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-12-09 10:35:51,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-09 10:35:51,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2018-12-09 10:35:51,331 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 52 [2018-12-09 10:35:51,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:35:51,332 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2018-12-09 10:35:51,332 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 10:35:51,332 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2018-12-09 10:35:51,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 10:35:51,333 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:35:51,333 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:35:51,333 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:35:51,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:35:51,334 INFO L82 PathProgramCache]: Analyzing trace with hash -825087149, now seen corresponding path program 1 times [2018-12-09 10:35:51,334 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:35:51,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:35:51,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:35:51,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:35:51,335 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:35:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:35:51,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:35:51,413 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:35:51,413 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 10:35:51,414 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:35:51,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:35:51,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:35:51,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:35:51,414 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 6 states. [2018-12-09 10:35:51,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:35:51,516 INFO L93 Difference]: Finished difference Result 173 states and 204 transitions. [2018-12-09 10:35:51,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 10:35:51,516 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2018-12-09 10:35:51,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:35:51,518 INFO L225 Difference]: With dead ends: 173 [2018-12-09 10:35:51,519 INFO L226 Difference]: Without dead ends: 121 [2018-12-09 10:35:51,519 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 10:35:51,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-12-09 10:35:51,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2018-12-09 10:35:51,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-12-09 10:35:51,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 136 transitions. [2018-12-09 10:35:51,528 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 136 transitions. Word has length 55 [2018-12-09 10:35:51,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:35:51,528 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 136 transitions. [2018-12-09 10:35:51,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:35:51,528 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 136 transitions. [2018-12-09 10:35:51,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 10:35:51,529 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:35:51,529 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:35:51,529 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:35:51,529 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:35:51,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1588459543, now seen corresponding path program 1 times [2018-12-09 10:35:51,530 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:35:51,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:35:51,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:35:51,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:35:51,530 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:35:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:35:51,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:35:51,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:35:51,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 10:35:51,575 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:35:51,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:35:51,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:35:51,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:35:51,576 INFO L87 Difference]: Start difference. First operand 119 states and 136 transitions. Second operand 6 states. [2018-12-09 10:35:51,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:35:51,647 INFO L93 Difference]: Finished difference Result 205 states and 240 transitions. [2018-12-09 10:35:51,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 10:35:51,647 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2018-12-09 10:35:51,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:35:51,648 INFO L225 Difference]: With dead ends: 205 [2018-12-09 10:35:51,648 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 10:35:51,648 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 10:35:51,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 10:35:51,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 10:35:51,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 10:35:51,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 10:35:51,649 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2018-12-09 10:35:51,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:35:51,649 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 10:35:51,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:35:51,649 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 10:35:51,649 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 10:35:51,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 10:35:51,958 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 702 708) no Hoare annotation was computed. [2018-12-09 10:35:51,959 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 702 708) the Hoare annotation is: true [2018-12-09 10:35:51,959 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 852 858) the Hoare annotation is: true [2018-12-09 10:35:51,959 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 852 858) no Hoare annotation was computed. [2018-12-09 10:35:51,959 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 859 867) no Hoare annotation was computed. [2018-12-09 10:35:51,959 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 859 867) the Hoare annotation is: true [2018-12-09 10:35:51,959 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 859 867) no Hoare annotation was computed. [2018-12-09 10:35:51,959 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 138 203) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:35:51,959 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 190) no Hoare annotation was computed. [2018-12-09 10:35:51,959 INFO L444 ceAbstractionStarter]: At program point L186-2(lines 178 191) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:35:51,959 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 138 203) no Hoare annotation was computed. [2018-12-09 10:35:51,960 INFO L448 ceAbstractionStarter]: For program point L149(lines 148 195) no Hoare annotation was computed. [2018-12-09 10:35:51,960 INFO L444 ceAbstractionStarter]: At program point L180(line 180) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:35:51,960 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 191) no Hoare annotation was computed. [2018-12-09 10:35:51,960 INFO L444 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:35:51,960 INFO L448 ceAbstractionStarter]: For program point L168(lines 168 174) no Hoare annotation was computed. [2018-12-09 10:35:51,960 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 168 174) no Hoare annotation was computed. [2018-12-09 10:35:51,960 INFO L444 ceAbstractionStarter]: At program point L193(lines 148 195) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:35:51,961 INFO L444 ceAbstractionStarter]: At program point L160(line 160) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:35:51,961 INFO L448 ceAbstractionStarter]: For program point L158(lines 158 164) no Hoare annotation was computed. [2018-12-09 10:35:51,961 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 158 164) no Hoare annotation was computed. [2018-12-09 10:35:51,961 INFO L448 ceAbstractionStarter]: For program point L150(lines 150 154) no Hoare annotation was computed. [2018-12-09 10:35:51,961 INFO L444 ceAbstractionStarter]: At program point L196(lines 147 197) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:35:51,961 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 138 203) no Hoare annotation was computed. [2018-12-09 10:35:51,961 INFO L448 ceAbstractionStarter]: For program point L289(line 289) no Hoare annotation was computed. [2018-12-09 10:35:51,962 INFO L444 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:35:51,962 INFO L444 ceAbstractionStarter]: At program point L287(line 287) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:35:51,962 INFO L444 ceAbstractionStarter]: At program point L287-1(line 287) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:35:51,962 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 281 303) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:35:51,962 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 281 303) no Hoare annotation was computed. [2018-12-09 10:35:51,962 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 281 303) no Hoare annotation was computed. [2018-12-09 10:35:51,962 INFO L444 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:35:51,963 INFO L444 ceAbstractionStarter]: At program point L293-1(line 293) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:35:51,963 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 298) no Hoare annotation was computed. [2018-12-09 10:35:51,963 INFO L448 ceAbstractionStarter]: For program point L291-1(lines 291 298) no Hoare annotation was computed. [2018-12-09 10:35:51,963 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 754 762) no Hoare annotation was computed. [2018-12-09 10:35:51,963 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 754 762) the Hoare annotation is: true [2018-12-09 10:35:51,963 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 754 762) no Hoare annotation was computed. [2018-12-09 10:35:51,963 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 10:35:51,963 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 10:35:51,963 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 10:35:51,964 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 81 92) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:35:51,964 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 81 92) no Hoare annotation was computed. [2018-12-09 10:35:51,964 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 81 92) no Hoare annotation was computed. [2018-12-09 10:35:51,964 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 206 235) no Hoare annotation was computed. [2018-12-09 10:35:51,964 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 206 235) the Hoare annotation is: true [2018-12-09 10:35:51,964 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 224) no Hoare annotation was computed. [2018-12-09 10:35:51,964 INFO L451 ceAbstractionStarter]: At program point L220-1(lines 220 224) the Hoare annotation is: true [2018-12-09 10:35:51,964 INFO L448 ceAbstractionStarter]: For program point L217(line 217) no Hoare annotation was computed. [2018-12-09 10:35:51,964 INFO L451 ceAbstractionStarter]: At program point L216-2(lines 216 230) the Hoare annotation is: true [2018-12-09 10:35:51,965 INFO L451 ceAbstractionStarter]: At program point L212(line 212) the Hoare annotation is: true [2018-12-09 10:35:51,965 INFO L448 ceAbstractionStarter]: For program point L212-1(line 212) no Hoare annotation was computed. [2018-12-09 10:35:51,965 INFO L451 ceAbstractionStarter]: At program point L231(lines 206 235) the Hoare annotation is: true [2018-12-09 10:35:51,965 INFO L448 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2018-12-09 10:35:51,965 INFO L451 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: true [2018-12-09 10:35:51,965 INFO L451 ceAbstractionStarter]: At program point L689(lines 689 695) the Hoare annotation is: true [2018-12-09 10:35:51,965 INFO L451 ceAbstractionStarter]: At program point timeShiftENTRY(lines 678 701) the Hoare annotation is: true [2018-12-09 10:35:51,965 INFO L444 ceAbstractionStarter]: At program point L684(line 684) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-12-09 10:35:51,965 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 678 701) no Hoare annotation was computed. [2018-12-09 10:35:51,966 INFO L448 ceAbstractionStarter]: For program point L682(lines 681 700) no Hoare annotation was computed. [2018-12-09 10:35:51,966 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 678 701) no Hoare annotation was computed. [2018-12-09 10:35:51,966 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 93 101) the Hoare annotation is: true [2018-12-09 10:35:51,966 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 93 101) no Hoare annotation was computed. [2018-12-09 10:35:51,966 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 93 101) no Hoare annotation was computed. [2018-12-09 10:35:51,966 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 57 68) the Hoare annotation is: true [2018-12-09 10:35:51,966 INFO L448 ceAbstractionStarter]: For program point L61-1(lines 57 68) no Hoare annotation was computed. [2018-12-09 10:35:51,966 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 57 68) no Hoare annotation was computed. [2018-12-09 10:35:51,966 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 845 851) no Hoare annotation was computed. [2018-12-09 10:35:51,967 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 845 851) the Hoare annotation is: true [2018-12-09 10:35:51,967 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 261 267) no Hoare annotation was computed. [2018-12-09 10:35:51,967 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 261 267) the Hoare annotation is: true [2018-12-09 10:35:51,967 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 10:35:51,967 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-09 10:35:51,967 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 10:35:51,967 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 10:35:51,967 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 799 806) no Hoare annotation was computed. [2018-12-09 10:35:51,967 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 799 806) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= ~systemActive~0 1)) [2018-12-09 10:35:51,968 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 799 806) no Hoare annotation was computed. [2018-12-09 10:35:51,968 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 69 80) no Hoare annotation was computed. [2018-12-09 10:35:51,968 INFO L448 ceAbstractionStarter]: For program point L73-1(lines 69 80) no Hoare annotation was computed. [2018-12-09 10:35:51,968 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 69 80) the Hoare annotation is: true [2018-12-09 10:35:51,968 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-09 10:35:51,968 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-09 10:35:51,968 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-09 10:35:51,968 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-09 10:35:51,968 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 268 277) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:35:51,968 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 268 277) no Hoare annotation was computed. [2018-12-09 10:35:51,968 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 268 277) no Hoare annotation was computed. [2018-12-09 10:35:51,968 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 808 832) the Hoare annotation is: true [2018-12-09 10:35:51,969 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 808 832) no Hoare annotation was computed. [2018-12-09 10:35:51,969 INFO L444 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-12-09 10:35:51,969 INFO L448 ceAbstractionStarter]: For program point L820(lines 820 826) no Hoare annotation was computed. [2018-12-09 10:35:51,969 INFO L444 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 10:35:51,969 INFO L448 ceAbstractionStarter]: For program point L818-1(line 818) no Hoare annotation was computed. [2018-12-09 10:35:51,969 INFO L448 ceAbstractionStarter]: For program point L816(lines 816 829) no Hoare annotation was computed. [2018-12-09 10:35:51,969 INFO L448 ceAbstractionStarter]: For program point L816-1(lines 808 832) no Hoare annotation was computed. [2018-12-09 10:35:51,969 INFO L451 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: true [2018-12-09 10:35:51,969 INFO L448 ceAbstractionStarter]: For program point L814-1(line 814) no Hoare annotation was computed. [2018-12-09 10:35:51,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:35:51 BoogieIcfgContainer [2018-12-09 10:35:51,979 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 10:35:51,979 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:35:51,979 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:35:51,979 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:35:51,980 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:35:50" (3/4) ... [2018-12-09 10:35:51,983 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 10:35:51,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 10:35:51,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 10:35:51,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 10:35:51,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 10:35:51,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 10:35:51,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 10:35:51,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 10:35:51,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 10:35:51,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 10:35:51,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 10:35:51,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 10:35:51,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 10:35:51,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 10:35:51,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 10:35:51,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 10:35:51,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 10:35:51,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 10:35:51,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 10:35:51,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-09 10:35:51,995 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-12-09 10:35:51,995 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 10:35:51,996 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 10:35:51,996 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 10:35:51,996 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 10:35:51,997 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 10:35:52,021 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || (systemActive == 1 && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 10:35:52,022 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 10:35:52,050 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ce93488f-24e5-4006-b5a3-67887760a3a0/bin-2019/utaipan/witness.graphml [2018-12-09 10:35:52,050 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:35:52,050 INFO L168 Benchmark]: Toolchain (without parser) took 1916.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 955.1 MB in the beginning and 823.5 MB in the end (delta: 131.5 MB). Peak memory consumption was 266.8 MB. Max. memory is 11.5 GB. [2018-12-09 10:35:52,051 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:35:52,051 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -170.1 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:35:52,052 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.30 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. [2018-12-09 10:35:52,052 INFO L168 Benchmark]: Boogie Preprocessor took 20.38 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 10:35:52,052 INFO L168 Benchmark]: RCFGBuilder took 346.40 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: 42.8 MB). Peak memory consumption was 42.8 MB. Max. memory is 11.5 GB. [2018-12-09 10:35:52,052 INFO L168 Benchmark]: TraceAbstraction took 1176.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 830.5 MB in the end (delta: 245.8 MB). Peak memory consumption was 245.8 MB. Max. memory is 11.5 GB. [2018-12-09 10:35:52,053 INFO L168 Benchmark]: Witness Printer took 70.57 ms. Allocated memory is still 1.2 GB. Free memory was 830.5 MB in the beginning and 823.5 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-09 10:35:52,054 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 271.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -170.1 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.30 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. * Boogie Preprocessor took 20.38 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 346.40 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: 42.8 MB). Peak memory consumption was 42.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1176.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 830.5 MB in the end (delta: 245.8 MB). Peak memory consumption was 245.8 MB. Max. memory is 11.5 GB. * Witness Printer took 70.57 ms. Allocated memory is still 1.2 GB. Free memory was 830.5 MB in the beginning and 823.5 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 216]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || (systemActive == 1 && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 98 locations, 1 error locations. SAFE Result, 1.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 440 SDtfs, 172 SDslu, 728 SDs, 0 SdLazy, 173 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 161 PreInvPairs, 176 NumberOfFragments, 370 HoareAnnotationTreeSize, 161 FomulaSimplifications, 70 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 551 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 24632 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...