./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product02_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_2b8f4944-14dc-40a2-92fd-e6249cd664d0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2b8f4944-14dc-40a2-92fd-e6249cd664d0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2b8f4944-14dc-40a2-92fd-e6249cd664d0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2b8f4944-14dc-40a2-92fd-e6249cd664d0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product02_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2b8f4944-14dc-40a2-92fd-e6249cd664d0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2b8f4944-14dc-40a2-92fd-e6249cd664d0/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 14bbe860e6ae6a1128c2aa8898396ae07ba8a16d ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 06:26:44,421 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 06:26:44,422 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 06:26:44,428 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 06:26:44,428 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 06:26:44,428 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 06:26:44,429 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 06:26:44,430 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 06:26:44,430 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 06:26:44,431 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 06:26:44,431 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 06:26:44,431 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 06:26:44,432 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 06:26:44,432 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 06:26:44,433 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 06:26:44,433 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 06:26:44,434 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 06:26:44,435 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 06:26:44,435 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 06:26:44,436 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 06:26:44,437 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 06:26:44,437 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 06:26:44,439 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 06:26:44,439 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 06:26:44,439 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 06:26:44,439 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 06:26:44,440 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 06:26:44,440 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 06:26:44,441 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 06:26:44,441 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 06:26:44,441 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 06:26:44,442 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 06:26:44,442 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 06:26:44,442 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 06:26:44,442 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 06:26:44,443 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 06:26:44,443 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2b8f4944-14dc-40a2-92fd-e6249cd664d0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 06:26:44,450 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 06:26:44,450 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 06:26:44,451 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 06:26:44,451 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 06:26:44,451 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 06:26:44,451 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 06:26:44,451 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 06:26:44,451 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 06:26:44,451 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 06:26:44,451 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 06:26:44,451 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 06:26:44,451 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 06:26:44,452 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 06:26:44,452 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 06:26:44,452 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 06:26:44,452 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 06:26:44,452 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 06:26:44,452 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 06:26:44,452 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 06:26:44,453 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 06:26:44,453 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 06:26:44,453 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 06:26:44,453 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 06:26:44,453 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 06:26:44,453 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 06:26:44,453 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 06:26:44,453 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 06:26:44,453 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 06:26:44,453 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 06:26:44,453 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 06:26:44,454 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 06:26:44,454 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 06:26:44,454 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 06:26:44,454 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 06:26:44,454 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 06:26:44,454 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 06:26:44,454 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_2b8f4944-14dc-40a2-92fd-e6249cd664d0/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 -> 14bbe860e6ae6a1128c2aa8898396ae07ba8a16d [2018-12-03 06:26:44,472 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 06:26:44,480 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 06:26:44,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 06:26:44,483 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 06:26:44,483 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 06:26:44,484 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2b8f4944-14dc-40a2-92fd-e6249cd664d0/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product02_true-unreach-call_false-termination.cil.c [2018-12-03 06:26:44,522 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b8f4944-14dc-40a2-92fd-e6249cd664d0/bin-2019/utaipan/data/71e4d2712/a25eb49058f34cf1b6847593fa3a2107/FLAGe4de941c0 [2018-12-03 06:26:44,990 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 06:26:44,990 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2b8f4944-14dc-40a2-92fd-e6249cd664d0/sv-benchmarks/c/product-lines/minepump_spec1_product02_true-unreach-call_false-termination.cil.c [2018-12-03 06:26:44,995 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b8f4944-14dc-40a2-92fd-e6249cd664d0/bin-2019/utaipan/data/71e4d2712/a25eb49058f34cf1b6847593fa3a2107/FLAGe4de941c0 [2018-12-03 06:26:45,504 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2b8f4944-14dc-40a2-92fd-e6249cd664d0/bin-2019/utaipan/data/71e4d2712/a25eb49058f34cf1b6847593fa3a2107 [2018-12-03 06:26:45,506 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 06:26:45,507 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 06:26:45,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 06:26:45,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 06:26:45,511 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 06:26:45,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:26:45" (1/1) ... [2018-12-03 06:26:45,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a96ab85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:26:45, skipping insertion in model container [2018-12-03 06:26:45,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:26:45" (1/1) ... [2018-12-03 06:26:45,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 06:26:45,541 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 06:26:45,705 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 06:26:45,745 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 06:26:45,790 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 06:26:45,809 INFO L195 MainTranslator]: Completed translation [2018-12-03 06:26:45,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:26:45 WrapperNode [2018-12-03 06:26:45,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 06:26:45,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 06:26:45,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 06:26:45,810 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 06:26:45,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:26:45" (1/1) ... [2018-12-03 06:26:45,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:26:45" (1/1) ... [2018-12-03 06:26:45,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 06:26:45,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 06:26:45,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 06:26:45,838 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 06:26:45,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:26:45" (1/1) ... [2018-12-03 06:26:45,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:26:45" (1/1) ... [2018-12-03 06:26:45,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:26:45" (1/1) ... [2018-12-03 06:26:45,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:26:45" (1/1) ... [2018-12-03 06:26:45,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:26:45" (1/1) ... [2018-12-03 06:26:45,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:26:45" (1/1) ... [2018-12-03 06:26:45,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:26:45" (1/1) ... [2018-12-03 06:26:45,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 06:26:45,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 06:26:45,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 06:26:45,859 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 06:26:45,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:26:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2b8f4944-14dc-40a2-92fd-e6249cd664d0/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 [2018-12-03 06:26:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-03 06:26:45,892 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-03 06:26:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-03 06:26:45,892 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-03 06:26:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 06:26:45,892 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 06:26:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-03 06:26:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-03 06:26:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 06:26:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-03 06:26:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-03 06:26:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-03 06:26:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-03 06:26:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-03 06:26:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-03 06:26:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-03 06:26:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-03 06:26:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 06:26:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 06:26:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 06:26:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-03 06:26:45,894 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-03 06:26:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-03 06:26:45,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-03 06:26:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-03 06:26:45,894 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-03 06:26:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-03 06:26:45,894 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-03 06:26:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-03 06:26:45,894 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-03 06:26:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-03 06:26:45,894 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-03 06:26:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 06:26:45,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 06:26:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-03 06:26:45,895 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-03 06:26:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-03 06:26:45,895 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-03 06:26:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-03 06:26:45,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-03 06:26:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-03 06:26:45,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-03 06:26:46,131 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 06:26:46,132 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 06:26:46,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:26:46 BoogieIcfgContainer [2018-12-03 06:26:46,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 06:26:46,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 06:26:46,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 06:26:46,134 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 06:26:46,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 06:26:45" (1/3) ... [2018-12-03 06:26:46,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e76f4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 06:26:46, skipping insertion in model container [2018-12-03 06:26:46,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:26:45" (2/3) ... [2018-12-03 06:26:46,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e76f4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 06:26:46, skipping insertion in model container [2018-12-03 06:26:46,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:26:46" (3/3) ... [2018-12-03 06:26:46,136 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product02_true-unreach-call_false-termination.cil.c [2018-12-03 06:26:46,142 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 06:26:46,147 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 06:26:46,157 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 06:26:46,176 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 06:26:46,176 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 06:26:46,176 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 06:26:46,176 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 06:26:46,176 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 06:26:46,176 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 06:26:46,176 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 06:26:46,176 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 06:26:46,188 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2018-12-03 06:26:46,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-03 06:26:46,192 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:26:46,193 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] [2018-12-03 06:26:46,194 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:26:46,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:26:46,198 INFO L82 PathProgramCache]: Analyzing trace with hash 425227990, now seen corresponding path program 1 times [2018-12-03 06:26:46,199 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:26:46,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:26:46,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:26:46,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:26:46,228 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:26:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:26:46,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:26:46,339 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:26:46,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 06:26:46,340 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:26:46,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 06:26:46,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 06:26:46,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 06:26:46,352 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 2 states. [2018-12-03 06:26:46,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:26:46,370 INFO L93 Difference]: Finished difference Result 170 states and 213 transitions. [2018-12-03 06:26:46,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 06:26:46,371 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-03 06:26:46,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:26:46,376 INFO L225 Difference]: With dead ends: 170 [2018-12-03 06:26:46,377 INFO L226 Difference]: Without dead ends: 85 [2018-12-03 06:26:46,379 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 [2018-12-03 06:26:46,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-12-03 06:26:46,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-12-03 06:26:46,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-12-03 06:26:46,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2018-12-03 06:26:46,405 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 46 [2018-12-03 06:26:46,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:26:46,405 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2018-12-03 06:26:46,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 06:26:46,405 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2018-12-03 06:26:46,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-03 06:26:46,407 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:26:46,407 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] [2018-12-03 06:26:46,407 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:26:46,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:26:46,407 INFO L82 PathProgramCache]: Analyzing trace with hash 2136336444, now seen corresponding path program 1 times [2018-12-03 06:26:46,407 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:26:46,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:26:46,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:26:46,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:26:46,408 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:26:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:26:46,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:26:46,487 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:26:46,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 06:26:46,487 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:26:46,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 06:26:46,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 06:26:46,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 06:26:46,489 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 3 states. [2018-12-03 06:26:46,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:26:46,501 INFO L93 Difference]: Finished difference Result 115 states and 131 transitions. [2018-12-03 06:26:46,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 06:26:46,502 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-03 06:26:46,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:26:46,503 INFO L225 Difference]: With dead ends: 115 [2018-12-03 06:26:46,503 INFO L226 Difference]: Without dead ends: 76 [2018-12-03 06:26:46,504 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 [2018-12-03 06:26:46,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-03 06:26:46,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-12-03 06:26:46,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-03 06:26:46,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2018-12-03 06:26:46,512 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 47 [2018-12-03 06:26:46,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:26:46,512 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2018-12-03 06:26:46,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 06:26:46,512 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2018-12-03 06:26:46,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-03 06:26:46,513 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:26:46,513 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] [2018-12-03 06:26:46,514 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:26:46,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:26:46,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1049356787, now seen corresponding path program 1 times [2018-12-03 06:26:46,514 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:26:46,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:26:46,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:26:46,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:26:46,515 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:26:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:26:46,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:26:46,586 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:26:46,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 06:26:46,586 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:26:46,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 06:26:46,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 06:26:46,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 06:26:46,587 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 3 states. [2018-12-03 06:26:46,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:26:46,597 INFO L93 Difference]: Finished difference Result 128 states and 149 transitions. [2018-12-03 06:26:46,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 06:26:46,597 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-03 06:26:46,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:26:46,598 INFO L225 Difference]: With dead ends: 128 [2018-12-03 06:26:46,598 INFO L226 Difference]: Without dead ends: 76 [2018-12-03 06:26:46,598 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 06:26:46,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-03 06:26:46,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-12-03 06:26:46,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-03 06:26:46,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2018-12-03 06:26:46,603 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 52 [2018-12-03 06:26:46,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:26:46,603 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2018-12-03 06:26:46,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 06:26:46,603 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2018-12-03 06:26:46,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-03 06:26:46,604 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:26:46,604 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] [2018-12-03 06:26:46,604 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:26:46,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:26:46,604 INFO L82 PathProgramCache]: Analyzing trace with hash -2062392049, now seen corresponding path program 1 times [2018-12-03 06:26:46,604 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:26:46,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:26:46,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:26:46,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:26:46,605 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:26:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:26:46,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:26:46,670 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:26:46,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 06:26:46,671 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:26:46,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 06:26:46,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 06:26:46,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 06:26:46,672 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 6 states. [2018-12-03 06:26:46,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:26:46,795 INFO L93 Difference]: Finished difference Result 173 states and 204 transitions. [2018-12-03 06:26:46,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 06:26:46,796 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2018-12-03 06:26:46,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:26:46,799 INFO L225 Difference]: With dead ends: 173 [2018-12-03 06:26:46,799 INFO L226 Difference]: Without dead ends: 121 [2018-12-03 06:26:46,800 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 [2018-12-03 06:26:46,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-12-03 06:26:46,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2018-12-03 06:26:46,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-12-03 06:26:46,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 136 transitions. [2018-12-03 06:26:46,814 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 136 transitions. Word has length 55 [2018-12-03 06:26:46,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:26:46,814 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 136 transitions. [2018-12-03 06:26:46,814 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 06:26:46,815 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 136 transitions. [2018-12-03 06:26:46,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-03 06:26:46,816 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:26:46,816 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] [2018-12-03 06:26:46,816 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:26:46,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:26:46,816 INFO L82 PathProgramCache]: Analyzing trace with hash 351154643, now seen corresponding path program 1 times [2018-12-03 06:26:46,817 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:26:46,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:26:46,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:26:46,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:26:46,818 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:26:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:26:46,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:26:46,876 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:26:46,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 06:26:46,877 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:26:46,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 06:26:46,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 06:26:46,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 06:26:46,878 INFO L87 Difference]: Start difference. First operand 119 states and 136 transitions. Second operand 6 states. [2018-12-03 06:26:46,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:26:46,967 INFO L93 Difference]: Finished difference Result 205 states and 240 transitions. [2018-12-03 06:26:46,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 06:26:46,967 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2018-12-03 06:26:46,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:26:46,968 INFO L225 Difference]: With dead ends: 205 [2018-12-03 06:26:46,968 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 06:26:46,969 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 [2018-12-03 06:26:46,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 06:26:46,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 06:26:46,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 06:26:46,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 06:26:46,969 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2018-12-03 06:26:46,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:26:46,969 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 06:26:46,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 06:26:46,969 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 06:26:46,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 06:26:46,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 06:26:47,279 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 179 185) no Hoare annotation was computed. [2018-12-03 06:26:47,279 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 179 185) the Hoare annotation is: true [2018-12-03 06:26:47,280 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 379 385) the Hoare annotation is: true [2018-12-03 06:26:47,280 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 379 385) no Hoare annotation was computed. [2018-12-03 06:26:47,280 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 386 394) no Hoare annotation was computed. [2018-12-03 06:26:47,280 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 386 394) the Hoare annotation is: true [2018-12-03 06:26:47,280 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 386 394) no Hoare annotation was computed. [2018-12-03 06:26:47,280 INFO L444 ceAbstractionStarter]: At program point L289(line 289) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 06:26:47,280 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 267 332) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 06:26:47,280 INFO L448 ceAbstractionStarter]: For program point L287(lines 287 293) no Hoare annotation was computed. [2018-12-03 06:26:47,280 INFO L448 ceAbstractionStarter]: For program point L287-1(lines 287 293) no Hoare annotation was computed. [2018-12-03 06:26:47,280 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 283) no Hoare annotation was computed. [2018-12-03 06:26:47,280 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 267 332) no Hoare annotation was computed. [2018-12-03 06:26:47,280 INFO L444 ceAbstractionStarter]: At program point L325(lines 276 326) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 06:26:47,281 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 319) no Hoare annotation was computed. [2018-12-03 06:26:47,281 INFO L444 ceAbstractionStarter]: At program point L315-2(lines 307 320) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 06:26:47,281 INFO L448 ceAbstractionStarter]: For program point L278(lines 277 324) no Hoare annotation was computed. [2018-12-03 06:26:47,281 INFO L444 ceAbstractionStarter]: At program point L309(line 309) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 06:26:47,281 INFO L448 ceAbstractionStarter]: For program point L307(lines 307 320) no Hoare annotation was computed. [2018-12-03 06:26:47,281 INFO L444 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 06:26:47,281 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 303) no Hoare annotation was computed. [2018-12-03 06:26:47,281 INFO L448 ceAbstractionStarter]: For program point L297-1(lines 297 303) no Hoare annotation was computed. [2018-12-03 06:26:47,281 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 267 332) no Hoare annotation was computed. [2018-12-03 06:26:47,281 INFO L444 ceAbstractionStarter]: At program point L322(lines 277 324) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 06:26:47,281 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-12-03 06:26:47,281 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-12-03 06:26:47,282 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 06:26:47,282 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 06:26:47,282 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 06:26:47,282 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 06:26:47,282 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-12-03 06:26:47,282 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-12-03 06:26:47,282 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 06:26:47,282 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 06:26:47,282 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-12-03 06:26:47,282 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 213 221) no Hoare annotation was computed. [2018-12-03 06:26:47,282 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 213 221) the Hoare annotation is: true [2018-12-03 06:26:47,282 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 213 221) no Hoare annotation was computed. [2018-12-03 06:26:47,283 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 06:26:47,283 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-03 06:26:47,283 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 06:26:47,283 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 423 434) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0) (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 06:26:47,283 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 423 434) no Hoare annotation was computed. [2018-12-03 06:26:47,283 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 423 434) no Hoare annotation was computed. [2018-12-03 06:26:47,283 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 435 443) the Hoare annotation is: true [2018-12-03 06:26:47,283 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 435 443) no Hoare annotation was computed. [2018-12-03 06:26:47,283 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 435 443) no Hoare annotation was computed. [2018-12-03 06:26:47,283 INFO L444 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0)) [2018-12-03 06:26:47,283 INFO L448 ceAbstractionStarter]: For program point L159(lines 158 177) no Hoare annotation was computed. [2018-12-03 06:26:47,283 INFO L451 ceAbstractionStarter]: At program point timeShiftENTRY(lines 155 178) the Hoare annotation is: true [2018-12-03 06:26:47,283 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 155 178) no Hoare annotation was computed. [2018-12-03 06:26:47,283 INFO L451 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2018-12-03 06:26:47,283 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 155 178) no Hoare annotation was computed. [2018-12-03 06:26:47,284 INFO L451 ceAbstractionStarter]: At program point L166(lines 166 172) the Hoare annotation is: true [2018-12-03 06:26:47,284 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-03 06:26:47,284 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-03 06:26:47,284 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-03 06:26:47,284 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-03 06:26:47,284 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-03 06:26:47,284 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-03 06:26:47,284 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-03 06:26:47,284 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-03 06:26:47,284 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-03 06:26:47,284 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-03 06:26:47,284 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 399 410) the Hoare annotation is: true [2018-12-03 06:26:47,284 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 399 410) no Hoare annotation was computed. [2018-12-03 06:26:47,284 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 399 410) no Hoare annotation was computed. [2018-12-03 06:26:47,284 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 372 378) no Hoare annotation was computed. [2018-12-03 06:26:47,284 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 372 378) the Hoare annotation is: true [2018-12-03 06:26:47,284 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-03 06:26:47,284 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-03 06:26:47,284 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 06:26:47,285 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= ~pumpRunning~0 0)) [2018-12-03 06:26:47,285 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 06:26:47,285 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 06:26:47,285 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 258 265) no Hoare annotation was computed. [2018-12-03 06:26:47,285 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 258 265) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 0)) (= |old(~systemActive~0)| 0)) [2018-12-03 06:26:47,285 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 258 265) no Hoare annotation was computed. [2018-12-03 06:26:47,285 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 411 422) no Hoare annotation was computed. [2018-12-03 06:26:47,285 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 411 422) no Hoare annotation was computed. [2018-12-03 06:26:47,285 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 411 422) the Hoare annotation is: true [2018-12-03 06:26:47,285 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 477 484) no Hoare annotation was computed. [2018-12-03 06:26:47,285 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 481) no Hoare annotation was computed. [2018-12-03 06:26:47,285 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 477 484) the Hoare annotation is: true [2018-12-03 06:26:47,285 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 477 484) no Hoare annotation was computed. [2018-12-03 06:26:47,285 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 06:26:47,285 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-12-03 06:26:47,285 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-12-03 06:26:47,285 INFO L444 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0)) [2018-12-03 06:26:47,285 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 335 359) the Hoare annotation is: true [2018-12-03 06:26:47,286 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 353) no Hoare annotation was computed. [2018-12-03 06:26:47,286 INFO L444 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0))) [2018-12-03 06:26:47,286 INFO L448 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2018-12-03 06:26:47,286 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 335 359) no Hoare annotation was computed. [2018-12-03 06:26:47,286 INFO L448 ceAbstractionStarter]: For program point L343(lines 343 356) no Hoare annotation was computed. [2018-12-03 06:26:47,286 INFO L448 ceAbstractionStarter]: For program point L343-1(lines 335 359) no Hoare annotation was computed. [2018-12-03 06:26:47,286 INFO L451 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: true [2018-12-03 06:26:47,286 INFO L448 ceAbstractionStarter]: For program point L341-1(line 341) no Hoare annotation was computed. [2018-12-03 06:26:47,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 06:26:47 BoogieIcfgContainer [2018-12-03 06:26:47,293 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 06:26:47,294 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 06:26:47,294 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 06:26:47,294 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 06:26:47,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:26:46" (3/4) ... [2018-12-03 06:26:47,297 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 06:26:47,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-03 06:26:47,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-03 06:26:47,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-03 06:26:47,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-03 06:26:47,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 06:26:47,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-03 06:26:47,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 06:26:47,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-03 06:26:47,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-03 06:26:47,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-03 06:26:47,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-03 06:26:47,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-03 06:26:47,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-03 06:26:47,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-03 06:26:47,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-03 06:26:47,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-03 06:26:47,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-03 06:26:47,303 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-03 06:26:47,303 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-03 06:26:47,307 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2018-12-03 06:26:47,307 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-03 06:26:47,307 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-03 06:26:47,307 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-03 06:26:47,307 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 06:26:47,307 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 06:26:47,325 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || \old(systemActive) == 0) || (!(systemActive == 0) && splverifierCounter == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 06:26:47,325 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) [2018-12-03 06:26:47,344 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2b8f4944-14dc-40a2-92fd-e6249cd664d0/bin-2019/utaipan/witness.graphml [2018-12-03 06:26:47,345 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 06:26:47,345 INFO L168 Benchmark]: Toolchain (without parser) took 1838.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 952.4 MB in the beginning and 826.7 MB in the end (delta: 125.7 MB). Peak memory consumption was 241.0 MB. Max. memory is 11.5 GB. [2018-12-03 06:26:47,346 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 06:26:47,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-03 06:26:47,346 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. [2018-12-03 06:26:47,347 INFO L168 Benchmark]: Boogie Preprocessor took 21.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 06:26:47,347 INFO L168 Benchmark]: RCFGBuilder took 272.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2018-12-03 06:26:47,347 INFO L168 Benchmark]: TraceAbstraction took 1161.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 833.5 MB in the end (delta: 226.2 MB). Peak memory consumption was 226.2 MB. Max. memory is 11.5 GB. [2018-12-03 06:26:47,347 INFO L168 Benchmark]: Witness Printer took 51.06 ms. Allocated memory is still 1.1 GB. Free memory was 833.5 MB in the beginning and 826.7 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-03 06:26:47,348 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 301.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 272.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1161.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 833.5 MB in the end (delta: 226.2 MB). Peak memory consumption was 226.2 MB. Max. memory is 11.5 GB. * Witness Printer took 51.06 ms. Allocated memory is still 1.1 GB. Free memory was 833.5 MB in the beginning and 826.7 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 481]: 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: 276]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || \old(systemActive) == 0) || (!(systemActive == 0) && splverifierCounter == 0)) || !(\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, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 443 SDtfs, 155 SDslu, 551 SDs, 0 SdLazy, 97 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 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, 360 HoareAnnotationTreeSize, 161 FomulaSimplifications, 75 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 550 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 24887 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...