./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product20_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_67dc2129-5dbf-4cb1-95b7-97b617fa59e6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_67dc2129-5dbf-4cb1-95b7-97b617fa59e6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_67dc2129-5dbf-4cb1-95b7-97b617fa59e6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_67dc2129-5dbf-4cb1-95b7-97b617fa59e6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product20_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_67dc2129-5dbf-4cb1-95b7-97b617fa59e6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_67dc2129-5dbf-4cb1-95b7-97b617fa59e6/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 14f022cf7e99461a69af1dfadf53c6fdf3d4a870 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 13:18:45,440 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 13:18:45,441 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 13:18:45,447 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 13:18:45,448 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 13:18:45,448 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 13:18:45,449 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 13:18:45,449 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 13:18:45,450 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 13:18:45,451 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 13:18:45,451 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 13:18:45,451 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 13:18:45,452 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 13:18:45,452 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 13:18:45,452 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 13:18:45,453 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 13:18:45,453 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 13:18:45,454 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 13:18:45,455 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 13:18:45,456 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 13:18:45,456 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 13:18:45,457 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 13:18:45,458 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 13:18:45,458 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 13:18:45,458 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 13:18:45,459 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 13:18:45,459 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 13:18:45,460 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 13:18:45,460 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 13:18:45,460 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 13:18:45,461 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 13:18:45,461 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 13:18:45,461 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 13:18:45,461 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 13:18:45,461 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 13:18:45,462 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 13:18:45,462 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_67dc2129-5dbf-4cb1-95b7-97b617fa59e6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 13:18:45,469 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 13:18:45,469 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 13:18:45,470 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 13:18:45,470 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 13:18:45,470 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 13:18:45,470 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 13:18:45,470 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 13:18:45,470 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 13:18:45,470 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 13:18:45,470 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 13:18:45,470 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 13:18:45,470 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 13:18:45,471 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 13:18:45,471 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 13:18:45,471 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 13:18:45,471 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 13:18:45,471 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 13:18:45,471 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 13:18:45,471 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 13:18:45,471 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 13:18:45,472 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 13:18:45,472 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 13:18:45,472 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 13:18:45,472 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 13:18:45,472 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 13:18:45,472 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 13:18:45,472 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 13:18:45,472 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 13:18:45,472 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 13:18:45,472 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 13:18:45,472 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 13:18:45,473 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 13:18:45,473 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 13:18:45,473 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 13:18:45,473 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 13:18:45,473 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 13:18:45,473 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_67dc2129-5dbf-4cb1-95b7-97b617fa59e6/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 -> 14f022cf7e99461a69af1dfadf53c6fdf3d4a870 [2018-12-02 13:18:45,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 13:18:45,497 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 13:18:45,499 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 13:18:45,500 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 13:18:45,500 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 13:18:45,501 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_67dc2129-5dbf-4cb1-95b7-97b617fa59e6/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product20_true-unreach-call_false-termination.cil.c [2018-12-02 13:18:45,537 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_67dc2129-5dbf-4cb1-95b7-97b617fa59e6/bin-2019/utaipan/data/342e1be8a/e8277c0ba56d4e7885780ccb2a6382a9/FLAGa03ac8ef3 [2018-12-02 13:18:45,868 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 13:18:45,868 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_67dc2129-5dbf-4cb1-95b7-97b617fa59e6/sv-benchmarks/c/product-lines/minepump_spec4_product20_true-unreach-call_false-termination.cil.c [2018-12-02 13:18:45,875 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_67dc2129-5dbf-4cb1-95b7-97b617fa59e6/bin-2019/utaipan/data/342e1be8a/e8277c0ba56d4e7885780ccb2a6382a9/FLAGa03ac8ef3 [2018-12-02 13:18:45,882 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_67dc2129-5dbf-4cb1-95b7-97b617fa59e6/bin-2019/utaipan/data/342e1be8a/e8277c0ba56d4e7885780ccb2a6382a9 [2018-12-02 13:18:45,884 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 13:18:45,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 13:18:45,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 13:18:45,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 13:18:45,887 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 13:18:45,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:18:45" (1/1) ... [2018-12-02 13:18:45,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:45, skipping insertion in model container [2018-12-02 13:18:45,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:18:45" (1/1) ... [2018-12-02 13:18:45,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 13:18:45,914 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 13:18:46,057 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:18:46,064 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 13:18:46,139 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:18:46,152 INFO L195 MainTranslator]: Completed translation [2018-12-02 13:18:46,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:46 WrapperNode [2018-12-02 13:18:46,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 13:18:46,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 13:18:46,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 13:18:46,153 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 13:18:46,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:46" (1/1) ... [2018-12-02 13:18:46,167 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:46" (1/1) ... [2018-12-02 13:18:46,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 13:18:46,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 13:18:46,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 13:18:46,173 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 13:18:46,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:46" (1/1) ... [2018-12-02 13:18:46,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:46" (1/1) ... [2018-12-02 13:18:46,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:46" (1/1) ... [2018-12-02 13:18:46,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:46" (1/1) ... [2018-12-02 13:18:46,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:46" (1/1) ... [2018-12-02 13:18:46,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:46" (1/1) ... [2018-12-02 13:18:46,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:46" (1/1) ... [2018-12-02 13:18:46,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 13:18:46,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 13:18:46,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 13:18:46,194 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 13:18:46,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_67dc2129-5dbf-4cb1-95b7-97b617fa59e6/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 13:18:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 13:18:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 13:18:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-02 13:18:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-02 13:18:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 13:18:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 13:18:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 13:18:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 13:18:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 13:18:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 13:18:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 13:18:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 13:18:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 13:18:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 13:18:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 13:18:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 13:18:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 13:18:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 13:18:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 13:18:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 13:18:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 13:18:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 13:18:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 13:18:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 13:18:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 13:18:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 13:18:46,228 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 13:18:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 13:18:46,228 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 13:18:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 13:18:46,228 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 13:18:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 13:18:46,228 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 13:18:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 13:18:46,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 13:18:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 13:18:46,228 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 13:18:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 13:18:46,228 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 13:18:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 13:18:46,228 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 13:18:46,229 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 13:18:46,229 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 13:18:46,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 13:18:46,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 13:18:46,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 13:18:46,229 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 13:18:46,229 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 13:18:46,229 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 13:18:46,229 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 13:18:46,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 13:18:46,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 13:18:46,494 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 13:18:46,494 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 13:18:46,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:18:46 BoogieIcfgContainer [2018-12-02 13:18:46,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 13:18:46,495 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 13:18:46,495 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 13:18:46,498 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 13:18:46,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:18:45" (1/3) ... [2018-12-02 13:18:46,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e16704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:18:46, skipping insertion in model container [2018-12-02 13:18:46,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:46" (2/3) ... [2018-12-02 13:18:46,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e16704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:18:46, skipping insertion in model container [2018-12-02 13:18:46,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:18:46" (3/3) ... [2018-12-02 13:18:46,501 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product20_true-unreach-call_false-termination.cil.c [2018-12-02 13:18:46,509 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 13:18:46,515 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 13:18:46,524 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 13:18:46,549 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 13:18:46,549 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 13:18:46,549 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 13:18:46,549 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 13:18:46,549 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 13:18:46,550 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 13:18:46,550 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 13:18:46,550 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 13:18:46,566 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2018-12-02 13:18:46,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 13:18:46,573 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:18:46,574 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:18:46,575 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:18:46,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:18:46,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1127755043, now seen corresponding path program 1 times [2018-12-02 13:18:46,582 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:18:46,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:18:46,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:18:46,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:18:46,613 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:18:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:18:46,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:18:46,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:18:46,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 13:18:46,724 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:18:46,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 13:18:46,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 13:18:46,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 13:18:46,736 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 2 states. [2018-12-02 13:18:46,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:18:46,757 INFO L93 Difference]: Finished difference Result 228 states and 283 transitions. [2018-12-02 13:18:46,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 13:18:46,758 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-02 13:18:46,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:18:46,765 INFO L225 Difference]: With dead ends: 228 [2018-12-02 13:18:46,765 INFO L226 Difference]: Without dead ends: 114 [2018-12-02 13:18:46,767 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 13:18:46,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-12-02 13:18:46,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-12-02 13:18:46,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-12-02 13:18:46,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2018-12-02 13:18:46,796 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2018-12-02 13:18:46,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:18:46,796 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2018-12-02 13:18:46,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 13:18:46,796 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2018-12-02 13:18:46,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 13:18:46,798 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:18:46,798 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:18:46,798 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:18:46,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:18:46,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1427396250, now seen corresponding path program 1 times [2018-12-02 13:18:46,798 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:18:46,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:18:46,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:18:46,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:18:46,799 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:18:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:18:46,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:18:46,855 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:18:46,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 13:18:46,855 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:18:46,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 13:18:46,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 13:18:46,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 13:18:46,856 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 3 states. [2018-12-02 13:18:46,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:18:46,867 INFO L93 Difference]: Finished difference Result 167 states and 193 transitions. [2018-12-02 13:18:46,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 13:18:46,868 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-02 13:18:46,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:18:46,869 INFO L225 Difference]: With dead ends: 167 [2018-12-02 13:18:46,869 INFO L226 Difference]: Without dead ends: 105 [2018-12-02 13:18:46,870 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 13:18:46,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-12-02 13:18:46,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-12-02 13:18:46,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-12-02 13:18:46,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2018-12-02 13:18:46,877 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2018-12-02 13:18:46,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:18:46,877 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2018-12-02 13:18:46,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 13:18:46,877 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2018-12-02 13:18:46,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 13:18:46,878 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:18:46,878 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:18:46,878 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:18:46,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:18:46,878 INFO L82 PathProgramCache]: Analyzing trace with hash -223884582, now seen corresponding path program 1 times [2018-12-02 13:18:46,878 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:18:46,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:18:46,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:18:46,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:18:46,879 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:18:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:18:46,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:18:46,943 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:18:46,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 13:18:46,943 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:18:46,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 13:18:46,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 13:18:46,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 13:18:46,944 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 7 states. [2018-12-02 13:18:47,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:18:47,149 INFO L93 Difference]: Finished difference Result 317 states and 383 transitions. [2018-12-02 13:18:47,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 13:18:47,150 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-02 13:18:47,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:18:47,151 INFO L225 Difference]: With dead ends: 317 [2018-12-02 13:18:47,151 INFO L226 Difference]: Without dead ends: 236 [2018-12-02 13:18:47,152 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 13:18:47,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-12-02 13:18:47,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 224. [2018-12-02 13:18:47,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-12-02 13:18:47,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 270 transitions. [2018-12-02 13:18:47,168 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 270 transitions. Word has length 52 [2018-12-02 13:18:47,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:18:47,169 INFO L480 AbstractCegarLoop]: Abstraction has 224 states and 270 transitions. [2018-12-02 13:18:47,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 13:18:47,169 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 270 transitions. [2018-12-02 13:18:47,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 13:18:47,170 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:18:47,170 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:18:47,170 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:18:47,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:18:47,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1125061849, now seen corresponding path program 1 times [2018-12-02 13:18:47,171 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:18:47,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:18:47,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:18:47,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:18:47,171 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:18:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:18:47,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:18:47,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:18:47,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 13:18:47,251 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:18:47,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 13:18:47,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 13:18:47,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-02 13:18:47,252 INFO L87 Difference]: Start difference. First operand 224 states and 270 transitions. Second operand 10 states. [2018-12-02 13:18:47,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:18:47,565 INFO L93 Difference]: Finished difference Result 776 states and 999 transitions. [2018-12-02 13:18:47,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 13:18:47,565 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-12-02 13:18:47,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:18:47,568 INFO L225 Difference]: With dead ends: 776 [2018-12-02 13:18:47,568 INFO L226 Difference]: Without dead ends: 576 [2018-12-02 13:18:47,569 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-02 13:18:47,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2018-12-02 13:18:47,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 564. [2018-12-02 13:18:47,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2018-12-02 13:18:47,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 700 transitions. [2018-12-02 13:18:47,602 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 700 transitions. Word has length 57 [2018-12-02 13:18:47,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:18:47,603 INFO L480 AbstractCegarLoop]: Abstraction has 564 states and 700 transitions. [2018-12-02 13:18:47,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 13:18:47,603 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 700 transitions. [2018-12-02 13:18:47,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-02 13:18:47,604 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:18:47,604 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:18:47,605 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:18:47,605 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:18:47,605 INFO L82 PathProgramCache]: Analyzing trace with hash -303865601, now seen corresponding path program 1 times [2018-12-02 13:18:47,605 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:18:47,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:18:47,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:18:47,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:18:47,605 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:18:47,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:18:47,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:18:47,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:18:47,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 13:18:47,638 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:18:47,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 13:18:47,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 13:18:47,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 13:18:47,639 INFO L87 Difference]: Start difference. First operand 564 states and 700 transitions. Second operand 4 states. [2018-12-02 13:18:47,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:18:47,706 INFO L93 Difference]: Finished difference Result 948 states and 1210 transitions. [2018-12-02 13:18:47,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 13:18:47,707 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-12-02 13:18:47,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:18:47,708 INFO L225 Difference]: With dead ends: 948 [2018-12-02 13:18:47,708 INFO L226 Difference]: Without dead ends: 408 [2018-12-02 13:18:47,710 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 13:18:47,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2018-12-02 13:18:47,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 396. [2018-12-02 13:18:47,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2018-12-02 13:18:47,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 458 transitions. [2018-12-02 13:18:47,725 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 458 transitions. Word has length 61 [2018-12-02 13:18:47,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:18:47,725 INFO L480 AbstractCegarLoop]: Abstraction has 396 states and 458 transitions. [2018-12-02 13:18:47,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 13:18:47,725 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 458 transitions. [2018-12-02 13:18:47,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-02 13:18:47,727 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:18:47,727 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:18:47,727 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:18:47,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:18:47,727 INFO L82 PathProgramCache]: Analyzing trace with hash 547652712, now seen corresponding path program 1 times [2018-12-02 13:18:47,727 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:18:47,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:18:47,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:18:47,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:18:47,728 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:18:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:18:47,776 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 13:18:47,776 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:18:47,776 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 13:18:47,776 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 90 with the following transitions: [2018-12-02 13:18:47,777 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [42], [44], [45], [46], [47], [59], [84], [93], [97], [101], [104], [109], [115], [117], [123], [126], [129], [139], [140], [141], [142], [155], [162], [165], [199], [207], [211], [212], [215], [216], [217], [218], [219], [221], [222], [223], [224], [225], [226], [227], [228], [229], [235], [245], [246], [251], [252], [253], [254], [261], [262], [267], [268], [269] [2018-12-02 13:18:47,799 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 13:18:47,799 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 13:18:48,171 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 13:18:48,172 INFO L272 AbstractInterpreter]: Visited 67 different actions 137 times. Merged at 13 different actions 19 times. Never widened. Performed 4709 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4709 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 133 variables. [2018-12-02 13:18:48,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:18:48,186 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 13:18:48,186 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:18:48,186 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_67dc2129-5dbf-4cb1-95b7-97b617fa59e6/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 13:18:48,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:18:48,195 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 13:18:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:18:48,297 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:18:48,387 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 13:18:48,387 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 13:18:48,508 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 13:18:48,526 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 13:18:48,526 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 15 [2018-12-02 13:18:48,526 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 13:18:48,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-02 13:18:48,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-02 13:18:48,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2018-12-02 13:18:48,527 INFO L87 Difference]: Start difference. First operand 396 states and 458 transitions. Second operand 12 states. [2018-12-02 13:18:48,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:18:48,848 INFO L93 Difference]: Finished difference Result 523 states and 605 transitions. [2018-12-02 13:18:48,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 13:18:48,848 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2018-12-02 13:18:48,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:18:48,849 INFO L225 Difference]: With dead ends: 523 [2018-12-02 13:18:48,849 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 13:18:48,850 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 173 SyntacticMatches, 8 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-12-02 13:18:48,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 13:18:48,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 13:18:48,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 13:18:48,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 13:18:48,851 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2018-12-02 13:18:48,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:18:48,851 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 13:18:48,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-02 13:18:48,852 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 13:18:48,852 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 13:18:48,854 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 13:18:49,731 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-02 13:18:49,731 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-02 13:18:49,731 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-02 13:18:49,731 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-02 13:18:49,731 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-02 13:18:49,731 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 649 673) the Hoare annotation is: true [2018-12-02 13:18:49,731 INFO L444 ceAbstractionStarter]: At program point L663(line 663) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (< ~waterLevel~0 2)))) [2018-12-02 13:18:49,731 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 667) no Hoare annotation was computed. [2018-12-02 13:18:49,731 INFO L444 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (< ~waterLevel~0 2)))) [2018-12-02 13:18:49,732 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 649 673) no Hoare annotation was computed. [2018-12-02 13:18:49,732 INFO L448 ceAbstractionStarter]: For program point L659-1(line 659) no Hoare annotation was computed. [2018-12-02 13:18:49,732 INFO L448 ceAbstractionStarter]: For program point L657(lines 657 670) no Hoare annotation was computed. [2018-12-02 13:18:49,732 INFO L448 ceAbstractionStarter]: For program point L657-1(lines 649 673) no Hoare annotation was computed. [2018-12-02 13:18:49,732 INFO L451 ceAbstractionStarter]: At program point L655(line 655) the Hoare annotation is: true [2018-12-02 13:18:49,732 INFO L448 ceAbstractionStarter]: For program point L655-1(line 655) no Hoare annotation was computed. [2018-12-02 13:18:49,732 INFO L448 ceAbstractionStarter]: For program point L257(line 257) no Hoare annotation was computed. [2018-12-02 13:18:49,732 INFO L444 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:18:49,732 INFO L444 ceAbstractionStarter]: At program point L255(line 255) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:18:49,732 INFO L444 ceAbstractionStarter]: At program point L255-1(line 255) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:18:49,732 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 249 271) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:18:49,732 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 249 271) no Hoare annotation was computed. [2018-12-02 13:18:49,732 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 249 271) no Hoare annotation was computed. [2018-12-02 13:18:49,732 INFO L444 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:18:49,732 INFO L444 ceAbstractionStarter]: At program point L261-1(line 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:18:49,732 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 266) no Hoare annotation was computed. [2018-12-02 13:18:49,733 INFO L448 ceAbstractionStarter]: For program point L259-1(lines 259 266) no Hoare annotation was computed. [2018-12-02 13:18:49,733 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 830 844) no Hoare annotation was computed. [2018-12-02 13:18:49,733 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 830 844) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or (or .cse0 (not (= ~waterLevel~0 1))) .cse1))) [2018-12-02 13:18:49,733 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 830 844) no Hoare annotation was computed. [2018-12-02 13:18:49,733 INFO L444 ceAbstractionStarter]: At program point L836(line 836) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1)) [2018-12-02 13:18:49,733 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 840) no Hoare annotation was computed. [2018-12-02 13:18:49,733 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 766 774) no Hoare annotation was computed. [2018-12-02 13:18:49,733 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 766 774) the Hoare annotation is: true [2018-12-02 13:18:49,733 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 766 774) no Hoare annotation was computed. [2018-12-02 13:18:49,733 INFO L448 ceAbstractionStarter]: For program point L818-1(line 818) no Hoare annotation was computed. [2018-12-02 13:18:49,733 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 811 829) the Hoare annotation is: true [2018-12-02 13:18:49,733 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 811 829) no Hoare annotation was computed. [2018-12-02 13:18:49,733 INFO L448 ceAbstractionStarter]: For program point L820(lines 820 824) no Hoare annotation was computed. [2018-12-02 13:18:49,733 INFO L451 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2018-12-02 13:18:49,733 INFO L448 ceAbstractionStarter]: For program point L820-2(lines 820 824) no Hoare annotation was computed. [2018-12-02 13:18:49,733 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 811 829) no Hoare annotation was computed. [2018-12-02 13:18:49,733 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-02 13:18:49,733 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-02 13:18:49,733 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 239 248) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:18:49,734 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 239 248) no Hoare annotation was computed. [2018-12-02 13:18:49,734 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 239 248) no Hoare annotation was computed. [2018-12-02 13:18:49,734 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 747 754) the Hoare annotation is: true [2018-12-02 13:18:49,734 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 747 754) no Hoare annotation was computed. [2018-12-02 13:18:49,734 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 747 754) no Hoare annotation was computed. [2018-12-02 13:18:49,734 INFO L444 ceAbstractionStarter]: At program point L733(line 733) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2018-12-02 13:18:49,734 INFO L448 ceAbstractionStarter]: For program point L733-1(lines 714 738) no Hoare annotation was computed. [2018-12-02 13:18:49,734 INFO L444 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-02 13:18:49,734 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 714 738) no Hoare annotation was computed. [2018-12-02 13:18:49,734 INFO L444 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-02 13:18:49,734 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 714 738) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2018-12-02 13:18:49,734 INFO L448 ceAbstractionStarter]: For program point L722(lines 722 730) no Hoare annotation was computed. [2018-12-02 13:18:49,734 INFO L444 ceAbstractionStarter]: At program point L720(line 720) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-02 13:18:49,734 INFO L448 ceAbstractionStarter]: For program point L720-1(line 720) no Hoare annotation was computed. [2018-12-02 13:18:49,734 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 735) no Hoare annotation was computed. [2018-12-02 13:18:49,734 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 706 712) no Hoare annotation was computed. [2018-12-02 13:18:49,734 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 706 712) the Hoare annotation is: true [2018-12-02 13:18:49,734 INFO L448 ceAbstractionStarter]: For program point L865(lines 864 913) no Hoare annotation was computed. [2018-12-02 13:18:49,735 INFO L444 ceAbstractionStarter]: At program point L896(line 896) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= test_~splverifierCounter~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:18:49,735 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 854 921) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:18:49,735 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 909) no Hoare annotation was computed. [2018-12-02 13:18:49,735 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 854 921) no Hoare annotation was computed. [2018-12-02 13:18:49,735 INFO L444 ceAbstractionStarter]: At program point L886(line 886) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:18:49,735 INFO L448 ceAbstractionStarter]: For program point L884(lines 884 890) no Hoare annotation was computed. [2018-12-02 13:18:49,735 INFO L448 ceAbstractionStarter]: For program point L884-1(lines 884 890) no Hoare annotation was computed. [2018-12-02 13:18:49,735 INFO L444 ceAbstractionStarter]: At program point L911(lines 864 913) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:18:49,735 INFO L444 ceAbstractionStarter]: At program point L876(line 876) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:18:49,735 INFO L448 ceAbstractionStarter]: For program point L874(lines 874 880) no Hoare annotation was computed. [2018-12-02 13:18:49,735 INFO L448 ceAbstractionStarter]: For program point L874-1(lines 874 880) no Hoare annotation was computed. [2018-12-02 13:18:49,735 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 870) no Hoare annotation was computed. [2018-12-02 13:18:49,735 INFO L444 ceAbstractionStarter]: At program point L914(lines 863 915) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:18:49,735 INFO L444 ceAbstractionStarter]: At program point L904(line 904) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:18:49,735 INFO L448 ceAbstractionStarter]: For program point L902(lines 902 908) no Hoare annotation was computed. [2018-12-02 13:18:49,735 INFO L444 ceAbstractionStarter]: At program point L902-1(lines 894 909) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 13:18:49,736 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 854 921) no Hoare annotation was computed. [2018-12-02 13:18:49,736 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 164 172) no Hoare annotation was computed. [2018-12-02 13:18:49,736 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 164 172) the Hoare annotation is: true [2018-12-02 13:18:49,736 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 164 172) no Hoare annotation was computed. [2018-12-02 13:18:49,736 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 13:18:49,736 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 13:18:49,736 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 13:18:49,736 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 155 163) the Hoare annotation is: true [2018-12-02 13:18:49,736 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 155 163) no Hoare annotation was computed. [2018-12-02 13:18:49,736 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 155 163) no Hoare annotation was computed. [2018-12-02 13:18:49,736 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 111 122) the Hoare annotation is: true [2018-12-02 13:18:49,736 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 111 122) no Hoare annotation was computed. [2018-12-02 13:18:49,736 INFO L448 ceAbstractionStarter]: For program point L115-1(lines 111 122) no Hoare annotation was computed. [2018-12-02 13:18:49,736 INFO L444 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (and (= ~waterLevel~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (< |old(~waterLevel~0)| 2)))) [2018-12-02 13:18:49,736 INFO L444 ceAbstractionStarter]: At program point L693(lines 693 699) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (and (= ~waterLevel~0 1) .cse1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2) (and (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2018-12-02 13:18:49,736 INFO L444 ceAbstractionStarter]: At program point L688(line 688) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2)))) [2018-12-02 13:18:49,736 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 682 705) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (and (= ~waterLevel~0 1) .cse1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2) (and (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2018-12-02 13:18:49,736 INFO L448 ceAbstractionStarter]: For program point L686(lines 685 704) no Hoare annotation was computed. [2018-12-02 13:18:49,737 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 682 705) no Hoare annotation was computed. [2018-12-02 13:18:49,737 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 682 705) no Hoare annotation was computed. [2018-12-02 13:18:49,737 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 176 205) no Hoare annotation was computed. [2018-12-02 13:18:49,737 INFO L448 ceAbstractionStarter]: For program point L190(lines 190 194) no Hoare annotation was computed. [2018-12-02 13:18:49,737 INFO L451 ceAbstractionStarter]: At program point L190-1(lines 190 194) the Hoare annotation is: true [2018-12-02 13:18:49,737 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 176 205) the Hoare annotation is: true [2018-12-02 13:18:49,737 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-02 13:18:49,737 INFO L451 ceAbstractionStarter]: At program point L186-2(lines 186 200) the Hoare annotation is: true [2018-12-02 13:18:49,737 INFO L451 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: true [2018-12-02 13:18:49,737 INFO L448 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-12-02 13:18:49,737 INFO L451 ceAbstractionStarter]: At program point L201(lines 176 205) the Hoare annotation is: true [2018-12-02 13:18:49,737 INFO L448 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2018-12-02 13:18:49,737 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 87 98) the Hoare annotation is: true [2018-12-02 13:18:49,737 INFO L448 ceAbstractionStarter]: For program point L91-1(lines 87 98) no Hoare annotation was computed. [2018-12-02 13:18:49,737 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 87 98) no Hoare annotation was computed. [2018-12-02 13:18:49,737 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 231 237) no Hoare annotation was computed. [2018-12-02 13:18:49,737 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 231 237) the Hoare annotation is: true [2018-12-02 13:18:49,737 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 13:18:49,737 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-12-02 13:18:49,737 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 13:18:49,737 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 13:18:49,737 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 845 852) no Hoare annotation was computed. [2018-12-02 13:18:49,738 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 845 852) the Hoare annotation is: true [2018-12-02 13:18:49,738 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 845 852) no Hoare annotation was computed. [2018-12-02 13:18:49,738 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 99 110) no Hoare annotation was computed. [2018-12-02 13:18:49,738 INFO L448 ceAbstractionStarter]: For program point L103-1(lines 99 110) no Hoare annotation was computed. [2018-12-02 13:18:49,738 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 99 110) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2) (<= |old(~waterLevel~0)| ~waterLevel~0)))) [2018-12-02 13:18:49,738 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 639 646) no Hoare annotation was computed. [2018-12-02 13:18:49,738 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 639 646) the Hoare annotation is: true [2018-12-02 13:18:49,738 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 639 646) no Hoare annotation was computed. [2018-12-02 13:18:49,738 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 643) no Hoare annotation was computed. [2018-12-02 13:18:49,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:18:49 BoogieIcfgContainer [2018-12-02 13:18:49,744 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 13:18:49,745 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 13:18:49,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 13:18:49,745 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 13:18:49,745 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:18:46" (3/4) ... [2018-12-02 13:18:49,747 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 13:18:49,750 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 13:18:49,750 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 13:18:49,750 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-12-02 13:18:49,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 13:18:49,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-02 13:18:49,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 13:18:49,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 13:18:49,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 13:18:49,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 13:18:49,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 13:18:49,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 13:18:49,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 13:18:49,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 13:18:49,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 13:18:49,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 13:18:49,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-02 13:18:49,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 13:18:49,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 13:18:49,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 13:18:49,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 13:18:49,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 13:18:49,752 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 13:18:49,752 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 13:18:49,752 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 13:18:49,755 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-02 13:18:49,756 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-02 13:18:49,756 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-02 13:18:49,756 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 13:18:49,756 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 13:18:49,756 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 13:18:49,772 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(waterLevel) <= waterLevel && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-02 13:18:49,772 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-02 13:18:49,791 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_67dc2129-5dbf-4cb1-95b7-97b617fa59e6/bin-2019/utaipan/witness.graphml [2018-12-02 13:18:49,791 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 13:18:49,792 INFO L168 Benchmark]: Toolchain (without parser) took 3907.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 952.4 MB in the beginning and 1.0 GB in the end (delta: -79.3 MB). Peak memory consumption was 88.5 MB. Max. memory is 11.5 GB. [2018-12-02 13:18:49,793 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:18:49,793 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -138.4 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-02 13:18:49,793 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:18:49,793 INFO L168 Benchmark]: Boogie Preprocessor took 20.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 13:18:49,793 INFO L168 Benchmark]: RCFGBuilder took 300.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. [2018-12-02 13:18:49,793 INFO L168 Benchmark]: TraceAbstraction took 3249.22 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 60.8 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.3 MB). Peak memory consumption was 274.0 MB. Max. memory is 11.5 GB. [2018-12-02 13:18:49,794 INFO L168 Benchmark]: Witness Printer took 46.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-12-02 13:18:49,794 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 267.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -138.4 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 300.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3249.22 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 60.8 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.3 MB). Peak memory consumption was 274.0 MB. Max. memory is 11.5 GB. * Witness Printer took 46.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 643]: 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: 864]: Loop Invariant Derived loop invariant: ((((\old(waterLevel) <= waterLevel && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 127 locations, 1 error locations. SAFE Result, 3.1s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 743 SDtfs, 755 SDslu, 1645 SDs, 0 SdLazy, 987 SolverSat, 310 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 195 SyntacticMatches, 9 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=564occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.4s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 595 PreInvPairs, 638 NumberOfFragments, 742 HoareAnnotationTreeSize, 595 FomulaSimplifications, 684 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 3143 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 79368 SizeOfPredicates, 3 NumberOfNonLiveVariables, 732 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 64/72 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...