./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product03_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2e89bbcc-a50b-4500-b830-1e3d0a19986b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2e89bbcc-a50b-4500-b830-1e3d0a19986b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2e89bbcc-a50b-4500-b830-1e3d0a19986b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2e89bbcc-a50b-4500-b830-1e3d0a19986b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product03_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2e89bbcc-a50b-4500-b830-1e3d0a19986b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2e89bbcc-a50b-4500-b830-1e3d0a19986b/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 7d22266300e6cd9ced6ad4763303b2f8762682aa ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 01:57:47,612 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 01:57:47,613 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 01:57:47,620 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 01:57:47,620 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 01:57:47,621 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 01:57:47,621 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 01:57:47,622 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 01:57:47,623 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 01:57:47,624 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 01:57:47,625 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 01:57:47,625 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 01:57:47,625 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 01:57:47,626 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 01:57:47,627 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 01:57:47,627 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 01:57:47,628 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 01:57:47,629 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 01:57:47,630 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 01:57:47,632 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 01:57:47,632 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 01:57:47,633 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 01:57:47,635 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 01:57:47,635 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 01:57:47,635 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 01:57:47,636 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 01:57:47,636 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 01:57:47,637 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 01:57:47,637 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 01:57:47,638 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 01:57:47,638 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 01:57:47,639 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 01:57:47,639 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 01:57:47,639 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 01:57:47,640 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 01:57:47,640 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 01:57:47,640 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2e89bbcc-a50b-4500-b830-1e3d0a19986b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 01:57:47,650 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 01:57:47,650 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 01:57:47,651 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 01:57:47,651 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 01:57:47,651 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 01:57:47,651 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 01:57:47,651 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 01:57:47,651 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 01:57:47,652 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 01:57:47,652 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 01:57:47,652 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 01:57:47,652 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 01:57:47,652 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 01:57:47,653 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 01:57:47,653 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 01:57:47,653 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 01:57:47,653 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 01:57:47,653 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 01:57:47,653 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 01:57:47,653 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 01:57:47,654 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 01:57:47,654 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 01:57:47,654 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 01:57:47,654 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 01:57:47,654 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 01:57:47,654 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 01:57:47,654 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 01:57:47,655 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 01:57:47,655 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 01:57:47,655 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 01:57:47,655 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 01:57:47,655 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 01:57:47,655 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 01:57:47,655 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 01:57:47,655 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_2e89bbcc-a50b-4500-b830-1e3d0a19986b/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 -> 7d22266300e6cd9ced6ad4763303b2f8762682aa [2018-11-10 01:57:47,676 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 01:57:47,684 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 01:57:47,686 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 01:57:47,687 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 01:57:47,687 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 01:57:47,688 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2e89bbcc-a50b-4500-b830-1e3d0a19986b/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product03_true-unreach-call_false-termination.cil.c [2018-11-10 01:57:47,723 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2e89bbcc-a50b-4500-b830-1e3d0a19986b/bin-2019/utaipan/data/411c153d2/212063549c1d4c0a9e24237b63df9777/FLAG74578314f [2018-11-10 01:57:48,160 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 01:57:48,160 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2e89bbcc-a50b-4500-b830-1e3d0a19986b/sv-benchmarks/c/product-lines/minepump_spec4_product03_true-unreach-call_false-termination.cil.c [2018-11-10 01:57:48,169 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2e89bbcc-a50b-4500-b830-1e3d0a19986b/bin-2019/utaipan/data/411c153d2/212063549c1d4c0a9e24237b63df9777/FLAG74578314f [2018-11-10 01:57:48,179 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2e89bbcc-a50b-4500-b830-1e3d0a19986b/bin-2019/utaipan/data/411c153d2/212063549c1d4c0a9e24237b63df9777 [2018-11-10 01:57:48,181 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 01:57:48,182 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 01:57:48,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 01:57:48,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 01:57:48,184 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 01:57:48,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:57:48" (1/1) ... [2018-11-10 01:57:48,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11bcb58d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:57:48, skipping insertion in model container [2018-11-10 01:57:48,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:57:48" (1/1) ... [2018-11-10 01:57:48,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 01:57:48,217 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 01:57:48,391 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:57:48,399 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 01:57:48,451 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:57:48,468 INFO L193 MainTranslator]: Completed translation [2018-11-10 01:57:48,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:57:48 WrapperNode [2018-11-10 01:57:48,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 01:57:48,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 01:57:48,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 01:57:48,469 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 01:57:48,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:57:48" (1/1) ... [2018-11-10 01:57:48,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:57:48" (1/1) ... [2018-11-10 01:57:48,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 01:57:48,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 01:57:48,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 01:57:48,544 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 01:57:48,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:57:48" (1/1) ... [2018-11-10 01:57:48,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:57:48" (1/1) ... [2018-11-10 01:57:48,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:57:48" (1/1) ... [2018-11-10 01:57:48,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:57:48" (1/1) ... [2018-11-10 01:57:48,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:57:48" (1/1) ... [2018-11-10 01:57:48,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:57:48" (1/1) ... [2018-11-10 01:57:48,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:57:48" (1/1) ... [2018-11-10 01:57:48,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 01:57:48,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 01:57:48,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 01:57:48,568 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 01:57:48,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:57:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e89bbcc-a50b-4500-b830-1e3d0a19986b/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 01:57:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 01:57:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 01:57:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 01:57:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 01:57:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-10 01:57:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-10 01:57:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 01:57:48,623 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 01:57:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-10 01:57:48,623 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-10 01:57:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 01:57:48,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 01:57:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 01:57:48,623 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 01:57:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 01:57:48,623 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 01:57:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 01:57:48,624 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 01:57:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 01:57:48,624 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 01:57:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 01:57:48,624 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 01:57:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 01:57:48,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 01:57:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 01:57:48,624 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 01:57:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-10 01:57:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-10 01:57:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 01:57:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 01:57:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 01:57:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 01:57:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 01:57:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 01:57:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 01:57:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 01:57:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 01:57:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 01:57:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 01:57:48,626 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 01:57:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 01:57:48,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 01:57:49,246 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 01:57:49,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:57:49 BoogieIcfgContainer [2018-11-10 01:57:49,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 01:57:49,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 01:57:49,248 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 01:57:49,250 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 01:57:49,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 01:57:48" (1/3) ... [2018-11-10 01:57:49,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d9c899c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:57:49, skipping insertion in model container [2018-11-10 01:57:49,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:57:48" (2/3) ... [2018-11-10 01:57:49,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d9c899c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:57:49, skipping insertion in model container [2018-11-10 01:57:49,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:57:49" (3/3) ... [2018-11-10 01:57:49,252 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03_true-unreach-call_false-termination.cil.c [2018-11-10 01:57:49,258 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 01:57:49,264 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 01:57:49,273 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 01:57:49,294 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 01:57:49,294 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 01:57:49,294 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 01:57:49,294 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 01:57:49,294 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 01:57:49,294 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 01:57:49,294 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 01:57:49,294 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 01:57:49,307 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2018-11-10 01:57:49,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 01:57:49,313 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 01:57:49,313 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 01:57:49,315 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 01:57:49,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:57:49,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1335042421, now seen corresponding path program 1 times [2018-11-10 01:57:49,321 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 01:57:49,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:57:49,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:57:49,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:57:49,350 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 01:57:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:57:49,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:57:49,518 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 01:57:49,518 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 01:57:49,519 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 01:57:49,523 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 01:57:49,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 01:57:49,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 01:57:49,534 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2018-11-10 01:57:49,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 01:57:49,553 INFO L93 Difference]: Finished difference Result 184 states and 229 transitions. [2018-11-10 01:57:49,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 01:57:49,554 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-10 01:57:49,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 01:57:49,560 INFO L225 Difference]: With dead ends: 184 [2018-11-10 01:57:49,561 INFO L226 Difference]: Without dead ends: 92 [2018-11-10 01:57:49,563 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 01:57:49,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-11-10 01:57:49,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-11-10 01:57:49,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-11-10 01:57:49,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 106 transitions. [2018-11-10 01:57:49,590 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 106 transitions. Word has length 46 [2018-11-10 01:57:49,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 01:57:49,591 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 106 transitions. [2018-11-10 01:57:49,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 01:57:49,591 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 106 transitions. [2018-11-10 01:57:49,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 01:57:49,592 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 01:57:49,593 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 01:57:49,593 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 01:57:49,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:57:49,593 INFO L82 PathProgramCache]: Analyzing trace with hash -2022841028, now seen corresponding path program 1 times [2018-11-10 01:57:49,593 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 01:57:49,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:57:49,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:57:49,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:57:49,594 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 01:57:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:57:49,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:57:49,676 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 01:57:49,676 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 01:57:49,676 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 01:57:49,678 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 01:57:49,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 01:57:49,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 01:57:49,678 INFO L87 Difference]: Start difference. First operand 92 states and 106 transitions. Second operand 3 states. [2018-11-10 01:57:49,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 01:57:49,691 INFO L93 Difference]: Finished difference Result 122 states and 139 transitions. [2018-11-10 01:57:49,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 01:57:49,692 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-10 01:57:49,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 01:57:49,693 INFO L225 Difference]: With dead ends: 122 [2018-11-10 01:57:49,693 INFO L226 Difference]: Without dead ends: 82 [2018-11-10 01:57:49,694 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 01:57:49,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-11-10 01:57:49,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-11-10 01:57:49,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-11-10 01:57:49,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2018-11-10 01:57:49,703 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 48 [2018-11-10 01:57:49,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 01:57:49,704 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2018-11-10 01:57:49,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 01:57:49,704 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2018-11-10 01:57:49,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 01:57:49,705 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 01:57:49,705 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 01:57:49,705 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 01:57:49,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:57:49,706 INFO L82 PathProgramCache]: Analyzing trace with hash -566013800, now seen corresponding path program 1 times [2018-11-10 01:57:49,706 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 01:57:49,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:57:49,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:57:49,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:57:49,707 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 01:57:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:57:49,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:57:49,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 01:57:49,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 01:57:49,800 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 01:57:49,801 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 01:57:49,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 01:57:49,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 01:57:49,801 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 3 states. [2018-11-10 01:57:49,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 01:57:49,826 INFO L93 Difference]: Finished difference Result 193 states and 229 transitions. [2018-11-10 01:57:49,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 01:57:49,826 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-10 01:57:49,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 01:57:49,829 INFO L225 Difference]: With dead ends: 193 [2018-11-10 01:57:49,829 INFO L226 Difference]: Without dead ends: 135 [2018-11-10 01:57:49,830 INFO L605 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 [2018-11-10 01:57:49,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-11-10 01:57:49,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 125. [2018-11-10 01:57:49,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-10 01:57:49,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2018-11-10 01:57:49,845 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 52 [2018-11-10 01:57:49,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 01:57:49,846 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2018-11-10 01:57:49,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 01:57:49,846 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2018-11-10 01:57:49,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-10 01:57:49,847 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 01:57:49,847 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 01:57:49,848 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 01:57:49,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:57:49,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1002679138, now seen corresponding path program 1 times [2018-11-10 01:57:49,848 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 01:57:49,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:57:49,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:57:49,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:57:49,849 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 01:57:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:57:49,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:57:49,969 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 01:57:49,969 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-10 01:57:49,969 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 01:57:49,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 01:57:49,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 01:57:49,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-10 01:57:49,970 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 10 states. [2018-11-10 01:57:50,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 01:57:50,346 INFO L93 Difference]: Finished difference Result 394 states and 510 transitions. [2018-11-10 01:57:50,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-10 01:57:50,346 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2018-11-10 01:57:50,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 01:57:50,348 INFO L225 Difference]: With dead ends: 394 [2018-11-10 01:57:50,348 INFO L226 Difference]: Without dead ends: 293 [2018-11-10 01:57:50,349 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-10 01:57:50,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2018-11-10 01:57:50,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 285. [2018-11-10 01:57:50,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2018-11-10 01:57:50,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 351 transitions. [2018-11-10 01:57:50,381 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 351 transitions. Word has length 55 [2018-11-10 01:57:50,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 01:57:50,381 INFO L481 AbstractCegarLoop]: Abstraction has 285 states and 351 transitions. [2018-11-10 01:57:50,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 01:57:50,382 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 351 transitions. [2018-11-10 01:57:50,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 01:57:50,384 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 01:57:50,384 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 01:57:50,384 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 01:57:50,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:57:50,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1137139612, now seen corresponding path program 1 times [2018-11-10 01:57:50,385 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 01:57:50,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:57:50,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:57:50,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:57:50,386 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 01:57:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:57:50,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:57:50,469 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 01:57:50,469 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 01:57:50,469 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 01:57:50,470 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 01:57:50,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 01:57:50,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 01:57:50,470 INFO L87 Difference]: Start difference. First operand 285 states and 351 transitions. Second operand 3 states. [2018-11-10 01:57:50,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 01:57:50,489 INFO L93 Difference]: Finished difference Result 514 states and 647 transitions. [2018-11-10 01:57:50,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 01:57:50,491 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2018-11-10 01:57:50,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 01:57:50,493 INFO L225 Difference]: With dead ends: 514 [2018-11-10 01:57:50,493 INFO L226 Difference]: Without dead ends: 253 [2018-11-10 01:57:50,494 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 01:57:50,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-11-10 01:57:50,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2018-11-10 01:57:50,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-11-10 01:57:50,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 296 transitions. [2018-11-10 01:57:50,510 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 296 transitions. Word has length 59 [2018-11-10 01:57:50,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 01:57:50,511 INFO L481 AbstractCegarLoop]: Abstraction has 253 states and 296 transitions. [2018-11-10 01:57:50,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 01:57:50,511 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 296 transitions. [2018-11-10 01:57:50,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-10 01:57:50,512 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 01:57:50,513 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 01:57:50,513 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 01:57:50,513 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:57:50,513 INFO L82 PathProgramCache]: Analyzing trace with hash -462295910, now seen corresponding path program 1 times [2018-11-10 01:57:50,513 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 01:57:50,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:57:50,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:57:50,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:57:50,514 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 01:57:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:57:50,584 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 01:57:50,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 01:57:50,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 01:57:50,585 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 01:57:50,585 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 01:57:50,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 01:57:50,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 01:57:50,586 INFO L87 Difference]: Start difference. First operand 253 states and 296 transitions. Second operand 6 states. [2018-11-10 01:57:50,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 01:57:50,737 INFO L93 Difference]: Finished difference Result 257 states and 300 transitions. [2018-11-10 01:57:50,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 01:57:50,738 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2018-11-10 01:57:50,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 01:57:50,739 INFO L225 Difference]: With dead ends: 257 [2018-11-10 01:57:50,739 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 01:57:50,740 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 01:57:50,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 01:57:50,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 01:57:50,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 01:57:50,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 01:57:50,740 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 90 [2018-11-10 01:57:50,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 01:57:50,741 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 01:57:50,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 01:57:50,741 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 01:57:50,741 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 01:57:50,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 01:57:51,272 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 575 582) the Hoare annotation is: true [2018-11-10 01:57:51,272 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 575 582) no Hoare annotation was computed. [2018-11-10 01:57:51,272 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 575 582) no Hoare annotation was computed. [2018-11-10 01:57:51,272 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 560 566) no Hoare annotation was computed. [2018-11-10 01:57:51,273 INFO L428 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 560 566) the Hoare annotation is: true [2018-11-10 01:57:51,273 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 436 442) the Hoare annotation is: true [2018-11-10 01:57:51,273 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 436 442) no Hoare annotation was computed. [2018-11-10 01:57:51,273 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 443 451) no Hoare annotation was computed. [2018-11-10 01:57:51,273 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 443 451) the Hoare annotation is: true [2018-11-10 01:57:51,273 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 443 451) no Hoare annotation was computed. [2018-11-10 01:57:51,273 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 458 523) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 01:57:51,273 INFO L421 ceAbstractionStarter]: At program point L506(line 506) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 01:57:51,273 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 510) no Hoare annotation was computed. [2018-11-10 01:57:51,274 INFO L421 ceAbstractionStarter]: At program point L504-1(lines 498 511) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 01:57:51,274 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 458 523) no Hoare annotation was computed. [2018-11-10 01:57:51,274 INFO L425 ceAbstractionStarter]: For program point L469(lines 468 515) no Hoare annotation was computed. [2018-11-10 01:57:51,274 INFO L425 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2018-11-10 01:57:51,274 INFO L421 ceAbstractionStarter]: At program point L490(line 490) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 01:57:51,274 INFO L425 ceAbstractionStarter]: For program point L488(lines 488 494) no Hoare annotation was computed. [2018-11-10 01:57:51,274 INFO L425 ceAbstractionStarter]: For program point L488-1(lines 488 494) no Hoare annotation was computed. [2018-11-10 01:57:51,274 INFO L421 ceAbstractionStarter]: At program point L513(lines 468 515) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 01:57:51,274 INFO L421 ceAbstractionStarter]: At program point L480(line 480) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 01:57:51,274 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 484) no Hoare annotation was computed. [2018-11-10 01:57:51,274 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 478 484) no Hoare annotation was computed. [2018-11-10 01:57:51,274 INFO L425 ceAbstractionStarter]: For program point L470(lines 470 474) no Hoare annotation was computed. [2018-11-10 01:57:51,275 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 468 515) no Hoare annotation was computed. [2018-11-10 01:57:51,275 INFO L421 ceAbstractionStarter]: At program point L516(lines 467 517) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 01:57:51,275 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 458 523) no Hoare annotation was computed. [2018-11-10 01:57:51,275 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 736 760) the Hoare annotation is: true [2018-11-10 01:57:51,275 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 736 760) no Hoare annotation was computed. [2018-11-10 01:57:51,275 INFO L421 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-10 01:57:51,276 INFO L425 ceAbstractionStarter]: For program point L748(lines 748 754) no Hoare annotation was computed. [2018-11-10 01:57:51,276 INFO L421 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0)) [2018-11-10 01:57:51,276 INFO L425 ceAbstractionStarter]: For program point L746-1(line 746) no Hoare annotation was computed. [2018-11-10 01:57:51,276 INFO L425 ceAbstractionStarter]: For program point L744(lines 744 757) no Hoare annotation was computed. [2018-11-10 01:57:51,276 INFO L425 ceAbstractionStarter]: For program point L744-1(lines 736 760) no Hoare annotation was computed. [2018-11-10 01:57:51,276 INFO L428 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-11-10 01:57:51,277 INFO L425 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2018-11-10 01:57:51,277 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 834 856) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 01:57:51,277 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 834 856) no Hoare annotation was computed. [2018-11-10 01:57:51,277 INFO L421 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0)) (= main_~tmp~5 ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 01:57:51,277 INFO L421 ceAbstractionStarter]: At program point L846-1(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0)) (= main_~tmp~5 ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 01:57:51,277 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 834 856) no Hoare annotation was computed. [2018-11-10 01:57:51,277 INFO L425 ceAbstractionStarter]: For program point L844(lines 844 851) no Hoare annotation was computed. [2018-11-10 01:57:51,277 INFO L425 ceAbstractionStarter]: For program point L844-1(lines 844 851) no Hoare annotation was computed. [2018-11-10 01:57:51,277 INFO L425 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2018-11-10 01:57:51,277 INFO L421 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 01:57:51,277 INFO L421 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 01:57:51,278 INFO L421 ceAbstractionStarter]: At program point L840-1(line 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 01:57:51,278 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 639 653) no Hoare annotation was computed. [2018-11-10 01:57:51,278 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 639 653) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-10 01:57:51,278 INFO L421 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-10 01:57:51,278 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 639 653) no Hoare annotation was computed. [2018-11-10 01:57:51,278 INFO L425 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2018-11-10 01:57:51,278 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 594 602) no Hoare annotation was computed. [2018-11-10 01:57:51,278 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 594 602) the Hoare annotation is: true [2018-11-10 01:57:51,278 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 594 602) no Hoare annotation was computed. [2018-11-10 01:57:51,278 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 01:57:51,278 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 01:57:51,278 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 01:57:51,278 INFO L425 ceAbstractionStarter]: For program point L686-1(lines 682 693) no Hoare annotation was computed. [2018-11-10 01:57:51,278 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 682 693) the Hoare annotation is: true [2018-11-10 01:57:51,279 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 682 693) no Hoare annotation was computed. [2018-11-10 01:57:51,279 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 726 734) the Hoare annotation is: true [2018-11-10 01:57:51,279 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 726 734) no Hoare annotation was computed. [2018-11-10 01:57:51,279 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 726 734) no Hoare annotation was computed. [2018-11-10 01:57:51,279 INFO L421 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-10 01:57:51,279 INFO L425 ceAbstractionStarter]: For program point L540(lines 539 558) no Hoare annotation was computed. [2018-11-10 01:57:51,280 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 536 559) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))))) [2018-11-10 01:57:51,280 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 536 559) no Hoare annotation was computed. [2018-11-10 01:57:51,280 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 536 559) no Hoare annotation was computed. [2018-11-10 01:57:51,280 INFO L421 ceAbstractionStarter]: At program point L549(line 549) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))) (or (not (= ~systemActive~0 0)) .cse0))) [2018-11-10 01:57:51,280 INFO L421 ceAbstractionStarter]: At program point L547(lines 547 553) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))))) [2018-11-10 01:57:51,280 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 763 792) no Hoare annotation was computed. [2018-11-10 01:57:51,280 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2018-11-10 01:57:51,280 INFO L428 ceAbstractionStarter]: At program point L777-1(lines 777 781) the Hoare annotation is: true [2018-11-10 01:57:51,280 INFO L425 ceAbstractionStarter]: For program point L773-1(lines 773 787) no Hoare annotation was computed. [2018-11-10 01:57:51,280 INFO L428 ceAbstractionStarter]: At program point L773-3(lines 773 787) the Hoare annotation is: true [2018-11-10 01:57:51,280 INFO L428 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: true [2018-11-10 01:57:51,281 INFO L425 ceAbstractionStarter]: For program point L769-1(line 769) no Hoare annotation was computed. [2018-11-10 01:57:51,281 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 763 792) the Hoare annotation is: true [2018-11-10 01:57:51,281 INFO L428 ceAbstractionStarter]: At program point L788(lines 763 792) the Hoare annotation is: true [2018-11-10 01:57:51,281 INFO L425 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-11-10 01:57:51,281 INFO L425 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2018-11-10 01:57:51,281 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 658 669) the Hoare annotation is: true [2018-11-10 01:57:51,281 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 658 669) no Hoare annotation was computed. [2018-11-10 01:57:51,281 INFO L425 ceAbstractionStarter]: For program point L662-1(lines 658 669) no Hoare annotation was computed. [2018-11-10 01:57:51,281 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 429 435) no Hoare annotation was computed. [2018-11-10 01:57:51,281 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 429 435) the Hoare annotation is: true [2018-11-10 01:57:51,281 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 01:57:51,281 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) [2018-11-10 01:57:51,282 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 01:57:51,282 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 01:57:51,282 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 817 823) no Hoare annotation was computed. [2018-11-10 01:57:51,282 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 817 823) the Hoare annotation is: true [2018-11-10 01:57:51,282 INFO L425 ceAbstractionStarter]: For program point L674-1(lines 670 681) no Hoare annotation was computed. [2018-11-10 01:57:51,282 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 670 681) no Hoare annotation was computed. [2018-11-10 01:57:51,282 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 670 681) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 01:57:51,282 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-10 01:57:51,282 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-10 01:57:51,282 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-10 01:57:51,282 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-10 01:57:51,283 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 824 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 01:57:51,283 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 824 833) no Hoare annotation was computed. [2018-11-10 01:57:51,283 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 824 833) no Hoare annotation was computed. [2018-11-10 01:57:51,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 01:57:51 BoogieIcfgContainer [2018-11-10 01:57:51,296 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 01:57:51,296 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 01:57:51,297 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 01:57:51,297 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 01:57:51,298 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:57:49" (3/4) ... [2018-11-10 01:57:51,301 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 01:57:51,307 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 01:57:51,307 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 01:57:51,307 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 01:57:51,307 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 01:57:51,307 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 01:57:51,307 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-10 01:57:51,307 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 01:57:51,307 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-10 01:57:51,308 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 01:57:51,308 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 01:57:51,308 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 01:57:51,308 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-10 01:57:51,308 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 01:57:51,308 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 01:57:51,308 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 01:57:51,308 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 01:57:51,308 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 01:57:51,309 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 01:57:51,309 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 01:57:51,309 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 01:57:51,316 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 137 nodes and edges [2018-11-10 01:57:51,317 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 01:57:51,317 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 01:57:51,342 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) [2018-11-10 01:57:51,342 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) [2018-11-10 01:57:51,378 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2e89bbcc-a50b-4500-b830-1e3d0a19986b/bin-2019/utaipan/witness.graphml [2018-11-10 01:57:51,378 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 01:57:51,378 INFO L168 Benchmark]: Toolchain (without parser) took 3197.33 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 226.5 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. [2018-11-10 01:57:51,380 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 01:57:51,380 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.88 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 930.8 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-10 01:57:51,380 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 930.8 MB in the beginning and 1.1 GB in the end (delta: -211.2 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 01:57:51,380 INFO L168 Benchmark]: Boogie Preprocessor took 23.89 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 01:57:51,381 INFO L168 Benchmark]: RCFGBuilder took 678.59 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: 81.7 MB). Peak memory consumption was 81.7 MB. Max. memory is 11.5 GB. [2018-11-10 01:57:51,381 INFO L168 Benchmark]: TraceAbstraction took 2048.12 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 78.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -88.2 MB). Peak memory consumption was 257.4 MB. Max. memory is 11.5 GB. [2018-11-10 01:57:51,381 INFO L168 Benchmark]: Witness Printer took 81.44 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2018-11-10 01:57:51,383 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.88 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 930.8 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 930.8 MB in the beginning and 1.1 GB in the end (delta: -211.2 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.89 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 678.59 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: 81.7 MB). Peak memory consumption was 81.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2048.12 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 78.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -88.2 MB). Peak memory consumption was 257.4 MB. Max. memory is 11.5 GB. * Witness Printer took 81.44 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 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: 467]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 105 locations, 1 error locations. SAFE Result, 1.9s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 571 SDtfs, 313 SDslu, 933 SDs, 0 SdLazy, 274 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=285occurred 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, 6 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 284 PreInvPairs, 325 NumberOfFragments, 452 HoareAnnotationTreeSize, 284 FomulaSimplifications, 338 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 44 FomulaSimplificationsInter, 1086 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 350 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 344 ConstructedInterpolants, 0 QuantifiedInterpolants, 41439 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 27/27 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...