./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product03_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4709b70b-80ed-4847-bc74-88412a124d8e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4709b70b-80ed-4847-bc74-88412a124d8e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4709b70b-80ed-4847-bc74-88412a124d8e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4709b70b-80ed-4847-bc74-88412a124d8e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product03_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4709b70b-80ed-4847-bc74-88412a124d8e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4709b70b-80ed-4847-bc74-88412a124d8e/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 a1a21aefc4c753e09e9929a8ce94ea29dee7cc72 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:13:09,604 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:13:09,606 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:13:09,613 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:13:09,613 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:13:09,614 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:13:09,615 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:13:09,616 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:13:09,618 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:13:09,619 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:13:09,619 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:13:09,619 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:13:09,620 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:13:09,621 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:13:09,622 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:13:09,623 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:13:09,624 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:13:09,625 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:13:09,627 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:13:09,628 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:13:09,628 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:13:09,630 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:13:09,631 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:13:09,631 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:13:09,632 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:13:09,632 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:13:09,633 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:13:09,634 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:13:09,635 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:13:09,635 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:13:09,636 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:13:09,636 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:13:09,636 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:13:09,636 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:13:09,638 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:13:09,638 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:13:09,639 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4709b70b-80ed-4847-bc74-88412a124d8e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 15:13:09,649 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:13:09,649 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:13:09,650 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:13:09,650 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:13:09,650 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:13:09,650 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:13:09,650 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:13:09,651 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 15:13:09,651 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:13:09,651 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:13:09,651 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 15:13:09,651 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 15:13:09,651 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:13:09,652 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:13:09,652 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:13:09,652 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:13:09,652 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:13:09,653 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:13:09,653 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:13:09,654 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:13:09,654 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:13:09,654 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:13:09,654 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:13:09,655 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:13:09,655 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:13:09,655 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:13:09,655 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:13:09,655 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:13:09,655 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:13:09,655 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:13:09,656 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:13:09,656 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:13:09,656 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:13:09,656 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 15:13:09,656 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:13:09,656 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:13:09,656 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 15:13:09,656 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_4709b70b-80ed-4847-bc74-88412a124d8e/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 -> a1a21aefc4c753e09e9929a8ce94ea29dee7cc72 [2018-11-18 15:13:09,680 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:13:09,690 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:13:09,693 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:13:09,694 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:13:09,695 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:13:09,695 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4709b70b-80ed-4847-bc74-88412a124d8e/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product03_true-unreach-call_false-termination.cil.c [2018-11-18 15:13:09,738 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4709b70b-80ed-4847-bc74-88412a124d8e/bin-2019/utaipan/data/962ea98f9/7ddcd355722a47efb9d44ee5d6bc4523/FLAG395adf197 [2018-11-18 15:13:10,179 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:13:10,180 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4709b70b-80ed-4847-bc74-88412a124d8e/sv-benchmarks/c/product-lines/minepump_spec2_product03_true-unreach-call_false-termination.cil.c [2018-11-18 15:13:10,187 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4709b70b-80ed-4847-bc74-88412a124d8e/bin-2019/utaipan/data/962ea98f9/7ddcd355722a47efb9d44ee5d6bc4523/FLAG395adf197 [2018-11-18 15:13:10,196 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4709b70b-80ed-4847-bc74-88412a124d8e/bin-2019/utaipan/data/962ea98f9/7ddcd355722a47efb9d44ee5d6bc4523 [2018-11-18 15:13:10,199 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:13:10,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:13:10,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:13:10,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:13:10,205 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:13:10,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:13:10" (1/1) ... [2018-11-18 15:13:10,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:13:10, skipping insertion in model container [2018-11-18 15:13:10,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:13:10" (1/1) ... [2018-11-18 15:13:10,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:13:10,252 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:13:10,471 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:13:10,482 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:13:10,585 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:13:10,603 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:13:10,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:13:10 WrapperNode [2018-11-18 15:13:10,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:13:10,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:13:10,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:13:10,604 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:13:10,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:13:10" (1/1) ... [2018-11-18 15:13:10,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:13:10" (1/1) ... [2018-11-18 15:13:10,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:13:10,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:13:10,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:13:10,624 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:13:10,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:13:10" (1/1) ... [2018-11-18 15:13:10,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:13:10" (1/1) ... [2018-11-18 15:13:10,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:13:10" (1/1) ... [2018-11-18 15:13:10,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:13:10" (1/1) ... [2018-11-18 15:13:10,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:13:10" (1/1) ... [2018-11-18 15:13:10,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:13:10" (1/1) ... [2018-11-18 15:13:10,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:13:10" (1/1) ... [2018-11-18 15:13:10,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:13:10,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:13:10,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:13:10,651 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:13:10,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:13:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4709b70b-80ed-4847-bc74-88412a124d8e/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 [2018-11-18 15:13:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 15:13:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 15:13:10,688 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 15:13:10,688 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 15:13:10,688 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:13:10,688 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:13:10,688 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 15:13:10,688 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 15:13:10,688 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 15:13:10,688 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 15:13:10,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:13:10,689 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 15:13:10,689 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 15:13:10,689 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 15:13:10,689 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 15:13:10,689 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 15:13:10,689 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 15:13:10,689 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 15:13:10,689 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 15:13:10,689 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 15:13:10,689 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 15:13:10,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 15:13:10,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 15:13:10,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 15:13:10,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 15:13:10,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:13:10,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:13:10,690 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 15:13:10,690 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 15:13:10,690 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 15:13:10,690 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 15:13:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 15:13:10,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 15:13:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 15:13:10,691 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 15:13:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 15:13:10,691 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 15:13:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 15:13:10,691 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 15:13:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:13:10,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:13:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 15:13:10,692 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 15:13:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 15:13:10,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 15:13:11,135 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:13:11,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:13:11 BoogieIcfgContainer [2018-11-18 15:13:11,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:13:11,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:13:11,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:13:11,140 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:13:11,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:13:10" (1/3) ... [2018-11-18 15:13:11,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75515ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:13:11, skipping insertion in model container [2018-11-18 15:13:11,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:13:10" (2/3) ... [2018-11-18 15:13:11,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75515ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:13:11, skipping insertion in model container [2018-11-18 15:13:11,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:13:11" (3/3) ... [2018-11-18 15:13:11,142 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product03_true-unreach-call_false-termination.cil.c [2018-11-18 15:13:11,150 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:13:11,156 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:13:11,165 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:13:11,187 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:13:11,187 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:13:11,188 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:13:11,188 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:13:11,188 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:13:11,188 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:13:11,188 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:13:11,188 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:13:11,204 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2018-11-18 15:13:11,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 15:13:11,210 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:13:11,210 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] [2018-11-18 15:13:11,212 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:13:11,216 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:13:11,217 INFO L82 PathProgramCache]: Analyzing trace with hash -173395708, now seen corresponding path program 1 times [2018-11-18 15:13:11,218 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:13:11,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:13:11,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:13:11,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:13:11,248 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:13:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:11,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:13:11,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:13:11,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:13:11,423 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:13:11,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:13:11,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:13:11,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:13:11,441 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 2 states. [2018-11-18 15:13:11,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:13:11,468 INFO L93 Difference]: Finished difference Result 190 states and 237 transitions. [2018-11-18 15:13:11,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:13:11,469 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 15:13:11,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:13:11,477 INFO L225 Difference]: With dead ends: 190 [2018-11-18 15:13:11,477 INFO L226 Difference]: Without dead ends: 97 [2018-11-18 15:13:11,480 INFO L604 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 [2018-11-18 15:13:11,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-11-18 15:13:11,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-11-18 15:13:11,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-11-18 15:13:11,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 112 transitions. [2018-11-18 15:13:11,514 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 112 transitions. Word has length 51 [2018-11-18 15:13:11,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:13:11,515 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 112 transitions. [2018-11-18 15:13:11,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:13:11,515 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 112 transitions. [2018-11-18 15:13:11,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 15:13:11,516 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:13:11,517 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] [2018-11-18 15:13:11,517 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:13:11,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:13:11,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1231454499, now seen corresponding path program 1 times [2018-11-18 15:13:11,517 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:13:11,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:13:11,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:13:11,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:13:11,518 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:13:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:11,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:13:11,601 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:13:11,601 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:13:11,601 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:13:11,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:13:11,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:13:11,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:13:11,603 INFO L87 Difference]: Start difference. First operand 97 states and 112 transitions. Second operand 3 states. [2018-11-18 15:13:11,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:13:11,618 INFO L93 Difference]: Finished difference Result 128 states and 147 transitions. [2018-11-18 15:13:11,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:13:11,619 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 15:13:11,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:13:11,620 INFO L225 Difference]: With dead ends: 128 [2018-11-18 15:13:11,620 INFO L226 Difference]: Without dead ends: 87 [2018-11-18 15:13:11,621 INFO L604 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 [2018-11-18 15:13:11,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-11-18 15:13:11,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-11-18 15:13:11,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-11-18 15:13:11,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 99 transitions. [2018-11-18 15:13:11,630 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 99 transitions. Word has length 53 [2018-11-18 15:13:11,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:13:11,630 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 99 transitions. [2018-11-18 15:13:11,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:13:11,630 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2018-11-18 15:13:11,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 15:13:11,632 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:13:11,632 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] [2018-11-18 15:13:11,632 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:13:11,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:13:11,632 INFO L82 PathProgramCache]: Analyzing trace with hash 409480750, now seen corresponding path program 1 times [2018-11-18 15:13:11,632 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:13:11,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:13:11,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:13:11,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:13:11,633 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:13:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:11,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:13:11,730 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:13:11,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:13:11,730 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:13:11,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:13:11,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:13:11,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:13:11,731 INFO L87 Difference]: Start difference. First operand 87 states and 99 transitions. Second operand 3 states. [2018-11-18 15:13:11,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:13:11,761 INFO L93 Difference]: Finished difference Result 200 states and 239 transitions. [2018-11-18 15:13:11,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:13:11,762 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2018-11-18 15:13:11,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:13:11,765 INFO L225 Difference]: With dead ends: 200 [2018-11-18 15:13:11,766 INFO L226 Difference]: Without dead ends: 141 [2018-11-18 15:13:11,766 INFO L604 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 [2018-11-18 15:13:11,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-18 15:13:11,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 131. [2018-11-18 15:13:11,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-18 15:13:11,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 155 transitions. [2018-11-18 15:13:11,782 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 155 transitions. Word has length 57 [2018-11-18 15:13:11,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:13:11,783 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 155 transitions. [2018-11-18 15:13:11,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:13:11,783 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 155 transitions. [2018-11-18 15:13:11,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 15:13:11,784 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:13:11,784 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:13:11,785 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:13:11,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:13:11,785 INFO L82 PathProgramCache]: Analyzing trace with hash -760241854, now seen corresponding path program 1 times [2018-11-18 15:13:11,785 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:13:11,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:13:11,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:13:11,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:13:11,786 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:13:11,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:11,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:13:11,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:13:11,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:13:11,880 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:13:11,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:13:11,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:13:11,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:13:11,881 INFO L87 Difference]: Start difference. First operand 131 states and 155 transitions. Second operand 6 states. [2018-11-18 15:13:12,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:13:12,012 INFO L93 Difference]: Finished difference Result 324 states and 402 transitions. [2018-11-18 15:13:12,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:13:12,013 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-11-18 15:13:12,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:13:12,014 INFO L225 Difference]: With dead ends: 324 [2018-11-18 15:13:12,014 INFO L226 Difference]: Without dead ends: 221 [2018-11-18 15:13:12,015 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:13:12,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-11-18 15:13:12,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 217. [2018-11-18 15:13:12,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-11-18 15:13:12,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 260 transitions. [2018-11-18 15:13:12,034 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 260 transitions. Word has length 60 [2018-11-18 15:13:12,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:13:12,034 INFO L480 AbstractCegarLoop]: Abstraction has 217 states and 260 transitions. [2018-11-18 15:13:12,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:13:12,034 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 260 transitions. [2018-11-18 15:13:12,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 15:13:12,036 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:13:12,036 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:13:12,036 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:13:12,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:13:12,037 INFO L82 PathProgramCache]: Analyzing trace with hash 260833254, now seen corresponding path program 1 times [2018-11-18 15:13:12,037 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:13:12,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:13:12,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:13:12,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:13:12,038 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:13:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:12,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:13:12,118 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:13:12,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:13:12,118 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:13:12,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:13:12,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:13:12,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:13:12,119 INFO L87 Difference]: Start difference. First operand 217 states and 260 transitions. Second operand 6 states. [2018-11-18 15:13:12,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:13:12,221 INFO L93 Difference]: Finished difference Result 381 states and 472 transitions. [2018-11-18 15:13:12,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:13:12,222 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2018-11-18 15:13:12,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:13:12,222 INFO L225 Difference]: With dead ends: 381 [2018-11-18 15:13:12,222 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:13:12,224 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:13:12,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:13:12,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:13:12,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:13:12,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:13:12,225 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2018-11-18 15:13:12,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:13:12,226 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:13:12,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:13:12,226 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:13:12,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:13:12,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:13:12,529 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 92 99) the Hoare annotation is: true [2018-11-18 15:13:12,529 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 92 99) no Hoare annotation was computed. [2018-11-18 15:13:12,530 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 92 99) no Hoare annotation was computed. [2018-11-18 15:13:12,530 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 77 83) no Hoare annotation was computed. [2018-11-18 15:13:12,530 INFO L428 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 77 83) the Hoare annotation is: true [2018-11-18 15:13:12,530 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 344 350) the Hoare annotation is: true [2018-11-18 15:13:12,530 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 344 350) no Hoare annotation was computed. [2018-11-18 15:13:12,530 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 351 359) no Hoare annotation was computed. [2018-11-18 15:13:12,530 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 351 359) the Hoare annotation is: true [2018-11-18 15:13:12,530 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 351 359) no Hoare annotation was computed. [2018-11-18 15:13:12,531 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 175 240) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-18 15:13:12,531 INFO L421 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:13:12,531 INFO L425 ceAbstractionStarter]: For program point L221(lines 221 227) no Hoare annotation was computed. [2018-11-18 15:13:12,531 INFO L421 ceAbstractionStarter]: At program point L221-1(lines 215 228) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:13:12,531 INFO L425 ceAbstractionStarter]: For program point L186(lines 185 232) no Hoare annotation was computed. [2018-11-18 15:13:12,531 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 228) no Hoare annotation was computed. [2018-11-18 15:13:12,531 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 175 240) no Hoare annotation was computed. [2018-11-18 15:13:12,532 INFO L421 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:13:12,532 INFO L425 ceAbstractionStarter]: For program point L205(lines 205 211) no Hoare annotation was computed. [2018-11-18 15:13:12,532 INFO L425 ceAbstractionStarter]: For program point L205-1(lines 205 211) no Hoare annotation was computed. [2018-11-18 15:13:12,532 INFO L421 ceAbstractionStarter]: At program point L230(lines 185 232) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:13:12,535 INFO L421 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:13:12,536 INFO L425 ceAbstractionStarter]: For program point L195(lines 195 201) no Hoare annotation was computed. [2018-11-18 15:13:12,536 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 195 201) no Hoare annotation was computed. [2018-11-18 15:13:12,536 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 191) no Hoare annotation was computed. [2018-11-18 15:13:12,536 INFO L425 ceAbstractionStarter]: For program point L185-1(lines 185 232) no Hoare annotation was computed. [2018-11-18 15:13:12,536 INFO L421 ceAbstractionStarter]: At program point L233(lines 184 234) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:13:12,536 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 175 240) no Hoare annotation was computed. [2018-11-18 15:13:12,536 INFO L421 ceAbstractionStarter]: At program point L447(line 447) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-18 15:13:12,536 INFO L421 ceAbstractionStarter]: At program point L447-1(line 447) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-18 15:13:12,537 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 435 457) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-18 15:13:12,537 INFO L425 ceAbstractionStarter]: For program point L445(lines 445 452) no Hoare annotation was computed. [2018-11-18 15:13:12,537 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 445 452) no Hoare annotation was computed. [2018-11-18 15:13:12,537 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-18 15:13:12,537 INFO L421 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-18 15:13:12,537 INFO L421 ceAbstractionStarter]: At program point L441(line 441) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-18 15:13:12,537 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 435 457) no Hoare annotation was computed. [2018-11-18 15:13:12,537 INFO L421 ceAbstractionStarter]: At program point L441-1(line 441) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-18 15:13:12,538 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 435 457) no Hoare annotation was computed. [2018-11-18 15:13:12,538 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 156 170) no Hoare annotation was computed. [2018-11-18 15:13:12,538 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 166) no Hoare annotation was computed. [2018-11-18 15:13:12,538 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 156 170) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-18 15:13:12,538 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 156 170) no Hoare annotation was computed. [2018-11-18 15:13:12,538 INFO L421 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-18 15:13:12,538 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 111 119) no Hoare annotation was computed. [2018-11-18 15:13:12,538 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 111 119) the Hoare annotation is: true [2018-11-18 15:13:12,538 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 111 119) no Hoare annotation was computed. [2018-11-18 15:13:12,539 INFO L421 ceAbstractionStarter]: At program point L850(line 850) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-18 15:13:12,539 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 835 863) the Hoare annotation is: true [2018-11-18 15:13:12,539 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2018-11-18 15:13:12,539 INFO L425 ceAbstractionStarter]: For program point L847(lines 847 857) no Hoare annotation was computed. [2018-11-18 15:13:12,539 INFO L421 ceAbstractionStarter]: At program point L845(line 845) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 15:13:12,539 INFO L425 ceAbstractionStarter]: For program point L845-1(line 845) no Hoare annotation was computed. [2018-11-18 15:13:12,539 INFO L425 ceAbstractionStarter]: For program point L843(lines 843 860) no Hoare annotation was computed. [2018-11-18 15:13:12,539 INFO L425 ceAbstractionStarter]: For program point L843-1(lines 835 863) no Hoare annotation was computed. [2018-11-18 15:13:12,539 INFO L428 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: true [2018-11-18 15:13:12,539 INFO L425 ceAbstractionStarter]: For program point L841-1(line 841) no Hoare annotation was computed. [2018-11-18 15:13:12,539 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 835 863) no Hoare annotation was computed. [2018-11-18 15:13:12,540 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 827 834) the Hoare annotation is: true [2018-11-18 15:13:12,540 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 827 834) no Hoare annotation was computed. [2018-11-18 15:13:12,540 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 827 834) no Hoare annotation was computed. [2018-11-18 15:13:12,540 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:13:12,540 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:13:12,540 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:13:12,540 INFO L425 ceAbstractionStarter]: For program point L273-1(lines 269 280) no Hoare annotation was computed. [2018-11-18 15:13:12,540 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 269 280) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:13:12,540 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 269 280) no Hoare annotation was computed. [2018-11-18 15:13:12,540 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 362 391) no Hoare annotation was computed. [2018-11-18 15:13:12,541 INFO L425 ceAbstractionStarter]: For program point L376(lines 376 380) no Hoare annotation was computed. [2018-11-18 15:13:12,541 INFO L428 ceAbstractionStarter]: At program point L376-1(lines 376 380) the Hoare annotation is: true [2018-11-18 15:13:12,541 INFO L425 ceAbstractionStarter]: For program point L372-1(lines 372 386) no Hoare annotation was computed. [2018-11-18 15:13:12,541 INFO L428 ceAbstractionStarter]: At program point L372-3(lines 372 386) the Hoare annotation is: true [2018-11-18 15:13:12,541 INFO L428 ceAbstractionStarter]: At program point L368(line 368) the Hoare annotation is: true [2018-11-18 15:13:12,542 INFO L425 ceAbstractionStarter]: For program point L368-1(line 368) no Hoare annotation was computed. [2018-11-18 15:13:12,542 INFO L428 ceAbstractionStarter]: At program point L387(lines 362 391) the Hoare annotation is: true [2018-11-18 15:13:12,542 INFO L425 ceAbstractionStarter]: For program point L383(line 383) no Hoare annotation was computed. [2018-11-18 15:13:12,542 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 362 391) the Hoare annotation is: true [2018-11-18 15:13:12,542 INFO L425 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2018-11-18 15:13:12,542 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 281 289) the Hoare annotation is: true [2018-11-18 15:13:12,542 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 281 289) no Hoare annotation was computed. [2018-11-18 15:13:12,542 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 281 289) no Hoare annotation was computed. [2018-11-18 15:13:12,542 INFO L428 ceAbstractionStarter]: At program point L64(lines 64 70) the Hoare annotation is: true [2018-11-18 15:13:12,543 INFO L421 ceAbstractionStarter]: At program point L59(line 59) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-18 15:13:12,543 INFO L425 ceAbstractionStarter]: For program point L57(lines 56 75) no Hoare annotation was computed. [2018-11-18 15:13:12,543 INFO L428 ceAbstractionStarter]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: true [2018-11-18 15:13:12,543 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2018-11-18 15:13:12,543 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2018-11-18 15:13:12,543 INFO L421 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (or (not (= ~systemActive~0 0)) (not (= 0 ~pumpRunning~0))) [2018-11-18 15:13:12,543 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 245 256) the Hoare annotation is: true [2018-11-18 15:13:12,543 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 245 256) no Hoare annotation was computed. [2018-11-18 15:13:12,543 INFO L425 ceAbstractionStarter]: For program point L249-1(lines 245 256) no Hoare annotation was computed. [2018-11-18 15:13:12,543 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 337 343) no Hoare annotation was computed. [2018-11-18 15:13:12,543 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 337 343) the Hoare annotation is: true [2018-11-18 15:13:12,544 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 416 422) no Hoare annotation was computed. [2018-11-18 15:13:12,544 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 416 422) the Hoare annotation is: true [2018-11-18 15:13:12,544 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:13:12,544 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0))) [2018-11-18 15:13:12,544 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:13:12,544 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:13:12,544 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 257 268) no Hoare annotation was computed. [2018-11-18 15:13:12,544 INFO L425 ceAbstractionStarter]: For program point L261-1(lines 257 268) no Hoare annotation was computed. [2018-11-18 15:13:12,544 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 257 268) the Hoare annotation is: true [2018-11-18 15:13:12,544 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 865 872) no Hoare annotation was computed. [2018-11-18 15:13:12,545 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 869) no Hoare annotation was computed. [2018-11-18 15:13:12,545 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 865 872) the Hoare annotation is: true [2018-11-18 15:13:12,546 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 865 872) no Hoare annotation was computed. [2018-11-18 15:13:12,546 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 424 434) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-18 15:13:12,546 INFO L421 ceAbstractionStarter]: At program point L429(line 429) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-18 15:13:12,547 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 424 434) no Hoare annotation was computed. [2018-11-18 15:13:12,547 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 424 434) no Hoare annotation was computed. [2018-11-18 15:13:12,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:13:12 BoogieIcfgContainer [2018-11-18 15:13:12,558 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:13:12,559 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:13:12,559 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:13:12,559 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:13:12,559 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:13:11" (3/4) ... [2018-11-18 15:13:12,562 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:13:12,568 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 15:13:12,568 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 15:13:12,568 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 15:13:12,568 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 15:13:12,568 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 15:13:12,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:13:12,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 15:13:12,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 15:13:12,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 15:13:12,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 15:13:12,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:13:12,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 15:13:12,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 15:13:12,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 15:13:12,570 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 15:13:12,570 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 15:13:12,570 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 15:13:12,570 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 15:13:12,570 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 15:13:12,570 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 15:13:12,571 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 15:13:12,578 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2018-11-18 15:13:12,578 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 15:13:12,578 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 15:13:12,605 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) [2018-11-18 15:13:12,606 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) [2018-11-18 15:13:12,636 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4709b70b-80ed-4847-bc74-88412a124d8e/bin-2019/utaipan/witness.graphml [2018-11-18 15:13:12,636 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:13:12,637 INFO L168 Benchmark]: Toolchain (without parser) took 2437.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 955.4 MB in the beginning and 811.6 MB in the end (delta: 143.8 MB). Peak memory consumption was 271.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:13:12,638 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:13:12,638 INFO L168 Benchmark]: CACSL2BoogieTranslator took 402.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:13:12,639 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.87 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:13:12,639 INFO L168 Benchmark]: Boogie Preprocessor took 27.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:13:12,639 INFO L168 Benchmark]: RCFGBuilder took 485.16 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: 61.8 MB). Peak memory consumption was 61.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:13:12,639 INFO L168 Benchmark]: TraceAbstraction took 1421.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 818.7 MB in the end (delta: 233.1 MB). Peak memory consumption was 233.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:13:12,639 INFO L168 Benchmark]: Witness Printer took 77.80 ms. Allocated memory is still 1.2 GB. Free memory was 818.7 MB in the beginning and 811.6 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:13:12,641 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 402.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.87 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 485.16 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: 61.8 MB). Peak memory consumption was 61.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1421.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 818.7 MB in the end (delta: 233.1 MB). Peak memory consumption was 233.1 MB. Max. memory is 11.5 GB. * Witness Printer took 77.80 ms. Allocated memory is still 1.2 GB. Free memory was 818.7 MB in the beginning and 811.6 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 869]: 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: 372]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 110 locations, 1 error locations. SAFE Result, 1.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 515 SDtfs, 183 SDslu, 696 SDs, 0 SdLazy, 109 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=217occurred 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, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 236 PreInvPairs, 265 NumberOfFragments, 398 HoareAnnotationTreeSize, 236 FomulaSimplifications, 194 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 46 FomulaSimplificationsInter, 791 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 285 NumberOfCodeBlocks, 285 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 280 ConstructedInterpolants, 0 QuantifiedInterpolants, 29270 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...