./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product17_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_374db18e-8f2c-43ea-8311-fe81ad8a9932/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_374db18e-8f2c-43ea-8311-fe81ad8a9932/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_374db18e-8f2c-43ea-8311-fe81ad8a9932/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_374db18e-8f2c-43ea-8311-fe81ad8a9932/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product17_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_374db18e-8f2c-43ea-8311-fe81ad8a9932/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_374db18e-8f2c-43ea-8311-fe81ad8a9932/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 dcdc175f36a7a4b619ef1dcf44a5e5edbf0f1a99 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:32:51,357 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:32:51,359 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:32:51,372 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:32:51,373 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:32:51,375 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:32:51,378 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:32:51,380 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:32:51,382 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:32:51,385 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:32:51,387 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:32:51,388 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:32:51,389 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:32:51,391 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:32:51,398 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:32:51,400 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:32:51,401 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:32:51,402 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:32:51,404 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:32:51,405 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:32:51,409 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:32:51,410 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:32:51,412 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:32:51,412 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:32:51,412 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:32:51,413 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:32:51,414 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:32:51,416 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:32:51,420 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:32:51,422 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:32:51,424 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:32:51,424 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:32:51,425 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:32:51,425 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:32:51,425 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:32:51,426 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:32:51,426 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_374db18e-8f2c-43ea-8311-fe81ad8a9932/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 19:32:51,446 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:32:51,449 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:32:51,450 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:32:51,450 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 19:32:51,451 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 19:32:51,451 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 19:32:51,451 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 19:32:51,452 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 19:32:51,452 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 19:32:51,452 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 19:32:51,453 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 19:32:51,453 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:32:51,454 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:32:51,454 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:32:51,458 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:32:51,458 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:32:51,459 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:32:51,459 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:32:51,459 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:32:51,459 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:32:51,459 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:32:51,459 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:32:51,460 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:32:51,460 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:32:51,460 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:32:51,460 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:32:51,460 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:32:51,460 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:32:51,461 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:32:51,461 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:32:51,461 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 19:32:51,461 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:32:51,461 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:32:51,461 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 19:32:51,462 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_374db18e-8f2c-43ea-8311-fe81ad8a9932/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 -> dcdc175f36a7a4b619ef1dcf44a5e5edbf0f1a99 [2018-10-26 19:32:51,497 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:32:51,509 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:32:51,512 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:32:51,513 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:32:51,513 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:32:51,518 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_374db18e-8f2c-43ea-8311-fe81ad8a9932/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product17_true-unreach-call_false-termination.cil.c [2018-10-26 19:32:51,569 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_374db18e-8f2c-43ea-8311-fe81ad8a9932/bin-2019/utaipan/data/dfc4b5381/67d560a49c09465ab3c3ef4867ee6046/FLAG607a13864 [2018-10-26 19:32:51,996 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:32:51,999 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_374db18e-8f2c-43ea-8311-fe81ad8a9932/sv-benchmarks/c/product-lines/minepump_spec5_product17_true-unreach-call_false-termination.cil.c [2018-10-26 19:32:52,009 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_374db18e-8f2c-43ea-8311-fe81ad8a9932/bin-2019/utaipan/data/dfc4b5381/67d560a49c09465ab3c3ef4867ee6046/FLAG607a13864 [2018-10-26 19:32:52,025 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_374db18e-8f2c-43ea-8311-fe81ad8a9932/bin-2019/utaipan/data/dfc4b5381/67d560a49c09465ab3c3ef4867ee6046 [2018-10-26 19:32:52,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:32:52,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:32:52,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:32:52,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:32:52,032 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:32:52,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:32:52" (1/1) ... [2018-10-26 19:32:52,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1124910c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:32:52, skipping insertion in model container [2018-10-26 19:32:52,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:32:52" (1/1) ... [2018-10-26 19:32:52,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:32:52,085 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:32:52,349 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:32:52,358 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:32:52,453 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:32:52,486 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:32:52,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:32:52 WrapperNode [2018-10-26 19:32:52,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:32:52,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:32:52,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:32:52,488 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:32:52,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:32:52" (1/1) ... [2018-10-26 19:32:52,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:32:52" (1/1) ... [2018-10-26 19:32:52,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:32:52,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:32:52,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:32:52,647 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:32:52,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:32:52" (1/1) ... [2018-10-26 19:32:52,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:32:52" (1/1) ... [2018-10-26 19:32:52,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:32:52" (1/1) ... [2018-10-26 19:32:52,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:32:52" (1/1) ... [2018-10-26 19:32:52,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:32:52" (1/1) ... [2018-10-26 19:32:52,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:32:52" (1/1) ... [2018-10-26 19:32:52,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:32:52" (1/1) ... [2018-10-26 19:32:52,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:32:52,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:32:52,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:32:52,721 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:32:52,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:32:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_374db18e-8f2c-43ea-8311-fe81ad8a9932/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 [2018-10-26 19:32:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-26 19:32:52,796 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-26 19:32:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 19:32:52,796 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 19:32:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-10-26 19:32:52,796 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-10-26 19:32:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-26 19:32:52,797 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-26 19:32:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-26 19:32:52,797 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-26 19:32:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 19:32:52,797 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 19:32:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-26 19:32:52,797 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-26 19:32:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-10-26 19:32:52,798 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-10-26 19:32:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-10-26 19:32:52,798 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-10-26 19:32:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 19:32:52,798 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 19:32:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 19:32:52,798 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 19:32:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-26 19:32:52,798 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-26 19:32:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 19:32:52,799 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 19:32:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-26 19:32:52,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-26 19:32:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-26 19:32:52,799 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-26 19:32:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-10-26 19:32:52,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-10-26 19:32:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-10-26 19:32:52,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-10-26 19:32:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-10-26 19:32:52,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-10-26 19:32:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-26 19:32:52,800 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-26 19:32:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-26 19:32:52,800 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-26 19:32:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 19:32:52,801 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 19:32:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 19:32:52,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 19:32:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 19:32:52,801 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 19:32:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:32:52,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:32:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-26 19:32:52,801 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-26 19:32:53,894 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:32:53,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:32:53 BoogieIcfgContainer [2018-10-26 19:32:53,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:32:53,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 19:32:53,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 19:32:53,899 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 19:32:53,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:32:52" (1/3) ... [2018-10-26 19:32:53,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@171de52b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:32:53, skipping insertion in model container [2018-10-26 19:32:53,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:32:52" (2/3) ... [2018-10-26 19:32:53,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@171de52b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:32:53, skipping insertion in model container [2018-10-26 19:32:53,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:32:53" (3/3) ... [2018-10-26 19:32:53,905 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product17_true-unreach-call_false-termination.cil.c [2018-10-26 19:32:53,915 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 19:32:53,924 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 19:32:53,941 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 19:32:53,974 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 19:32:53,975 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 19:32:53,975 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 19:32:53,975 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 19:32:53,975 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 19:32:53,976 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 19:32:53,976 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 19:32:53,976 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 19:32:53,997 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2018-10-26 19:32:54,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-26 19:32:54,006 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:32:54,007 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:32:54,009 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:32:54,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:32:54,016 INFO L82 PathProgramCache]: Analyzing trace with hash -561989868, now seen corresponding path program 1 times [2018-10-26 19:32:54,019 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:32:54,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:32:54,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:32:54,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:32:54,065 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:32:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:54,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 19:32:54,310 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:32:54,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 19:32:54,311 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 19:32:54,317 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 19:32:54,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 19:32:54,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 19:32:54,334 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2018-10-26 19:32:54,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:32:54,373 INFO L93 Difference]: Finished difference Result 228 states and 283 transitions. [2018-10-26 19:32:54,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 19:32:54,374 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-10-26 19:32:54,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:32:54,387 INFO L225 Difference]: With dead ends: 228 [2018-10-26 19:32:54,387 INFO L226 Difference]: Without dead ends: 116 [2018-10-26 19:32:54,391 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 19:32:54,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-10-26 19:32:54,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-10-26 19:32:54,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-10-26 19:32:54,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 135 transitions. [2018-10-26 19:32:54,445 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 135 transitions. Word has length 59 [2018-10-26 19:32:54,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:32:54,445 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 135 transitions. [2018-10-26 19:32:54,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 19:32:54,446 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 135 transitions. [2018-10-26 19:32:54,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 19:32:54,449 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:32:54,450 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:32:54,450 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:32:54,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:32:54,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1849659890, now seen corresponding path program 1 times [2018-10-26 19:32:54,451 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:32:54,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:32:54,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:32:54,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:32:54,452 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:32:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:54,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 19:32:54,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:32:54,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:32:54,668 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 19:32:54,669 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 19:32:54,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 19:32:54,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:32:54,671 INFO L87 Difference]: Start difference. First operand 116 states and 135 transitions. Second operand 3 states. [2018-10-26 19:32:54,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:32:54,702 INFO L93 Difference]: Finished difference Result 175 states and 203 transitions. [2018-10-26 19:32:54,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:32:54,703 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-10-26 19:32:54,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:32:54,705 INFO L225 Difference]: With dead ends: 175 [2018-10-26 19:32:54,705 INFO L226 Difference]: Without dead ends: 106 [2018-10-26 19:32:54,707 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:32:54,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-10-26 19:32:54,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-10-26 19:32:54,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-10-26 19:32:54,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2018-10-26 19:32:54,723 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 61 [2018-10-26 19:32:54,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:32:54,723 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2018-10-26 19:32:54,723 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 19:32:54,724 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2018-10-26 19:32:54,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 19:32:54,725 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:32:54,726 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:32:54,727 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:32:54,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:32:54,727 INFO L82 PathProgramCache]: Analyzing trace with hash 162746502, now seen corresponding path program 1 times [2018-10-26 19:32:54,728 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:32:54,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:32:54,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:32:54,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:32:54,729 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:32:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:55,133 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 19:32:55,133 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:32:55,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 19:32:55,134 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 19:32:55,135 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 19:32:55,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 19:32:55,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 19:32:55,135 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 7 states. [2018-10-26 19:32:56,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:32:56,017 INFO L93 Difference]: Finished difference Result 184 states and 217 transitions. [2018-10-26 19:32:56,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 19:32:56,019 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-10-26 19:32:56,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:32:56,020 INFO L225 Difference]: With dead ends: 184 [2018-10-26 19:32:56,020 INFO L226 Difference]: Without dead ends: 106 [2018-10-26 19:32:56,021 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-26 19:32:56,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-10-26 19:32:56,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-10-26 19:32:56,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-10-26 19:32:56,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 121 transitions. [2018-10-26 19:32:56,034 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 121 transitions. Word has length 65 [2018-10-26 19:32:56,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:32:56,036 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 121 transitions. [2018-10-26 19:32:56,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 19:32:56,036 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 121 transitions. [2018-10-26 19:32:56,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-26 19:32:56,038 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:32:56,042 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:32:56,042 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:32:56,042 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:32:56,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1904736627, now seen corresponding path program 1 times [2018-10-26 19:32:56,043 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:32:56,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:32:56,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:32:56,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:32:56,044 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:32:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:56,263 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 19:32:56,263 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:32:56,263 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 19:32:56,263 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 19:32:56,264 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 19:32:56,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 19:32:56,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 19:32:56,265 INFO L87 Difference]: Start difference. First operand 106 states and 121 transitions. Second operand 7 states. [2018-10-26 19:32:57,095 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-10-26 19:32:57,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:32:57,392 INFO L93 Difference]: Finished difference Result 160 states and 189 transitions. [2018-10-26 19:32:57,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 19:32:57,392 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2018-10-26 19:32:57,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:32:57,393 INFO L225 Difference]: With dead ends: 160 [2018-10-26 19:32:57,393 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 19:32:57,394 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-10-26 19:32:57,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 19:32:57,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 19:32:57,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 19:32:57,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 19:32:57,395 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2018-10-26 19:32:57,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:32:57,396 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 19:32:57,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 19:32:57,396 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 19:32:57,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 19:32:57,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 19:32:57,822 WARN L179 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2018-10-26 19:32:58,170 WARN L179 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-10-26 19:32:58,474 WARN L179 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2018-10-26 19:32:58,974 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2018-10-26 19:32:59,439 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2018-10-26 19:32:59,448 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 539 545) the Hoare annotation is: true [2018-10-26 19:32:59,448 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 539 545) no Hoare annotation was computed. [2018-10-26 19:32:59,448 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 546 554) no Hoare annotation was computed. [2018-10-26 19:32:59,448 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 546 554) the Hoare annotation is: true [2018-10-26 19:32:59,448 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 546 554) no Hoare annotation was computed. [2018-10-26 19:32:59,448 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 559 566) the Hoare annotation is: true [2018-10-26 19:32:59,448 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 559 566) no Hoare annotation was computed. [2018-10-26 19:32:59,448 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 559 566) no Hoare annotation was computed. [2018-10-26 19:32:59,448 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 567 576) the Hoare annotation is: true [2018-10-26 19:32:59,448 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-10-26 19:32:59,449 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 567 576) no Hoare annotation was computed. [2018-10-26 19:32:59,449 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 567 576) no Hoare annotation was computed. [2018-10-26 19:32:59,449 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 577 605) the Hoare annotation is: true [2018-10-26 19:32:59,449 INFO L421 ceAbstractionStarter]: At program point L592(line 592) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-10-26 19:32:59,449 INFO L425 ceAbstractionStarter]: For program point L590(lines 590 596) no Hoare annotation was computed. [2018-10-26 19:32:59,449 INFO L425 ceAbstractionStarter]: For program point L589(lines 589 599) no Hoare annotation was computed. [2018-10-26 19:32:59,449 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 577 605) no Hoare annotation was computed. [2018-10-26 19:32:59,449 INFO L428 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: true [2018-10-26 19:32:59,449 INFO L425 ceAbstractionStarter]: For program point L587-1(line 587) no Hoare annotation was computed. [2018-10-26 19:32:59,449 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 602) no Hoare annotation was computed. [2018-10-26 19:32:59,450 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 577 605) no Hoare annotation was computed. [2018-10-26 19:32:59,450 INFO L428 ceAbstractionStarter]: At program point L583(line 583) the Hoare annotation is: true [2018-10-26 19:32:59,450 INFO L425 ceAbstractionStarter]: For program point L583-1(line 583) no Hoare annotation was computed. [2018-10-26 19:32:59,450 INFO L421 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 19:32:59,450 INFO L421 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 19:32:59,450 INFO L421 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 19:32:59,450 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 19:32:59,450 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-10-26 19:32:59,450 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-10-26 19:32:59,451 INFO L421 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 19:32:59,451 INFO L421 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 19:32:59,451 INFO L425 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-10-26 19:32:59,451 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-10-26 19:32:59,451 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-26 19:32:59,451 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 792 800) no Hoare annotation was computed. [2018-10-26 19:32:59,451 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 792 800) the Hoare annotation is: true [2018-10-26 19:32:59,451 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 792 800) no Hoare annotation was computed. [2018-10-26 19:32:59,451 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 850) no Hoare annotation was computed. [2018-10-26 19:32:59,451 INFO L428 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: true [2018-10-26 19:32:59,452 INFO L425 ceAbstractionStarter]: For program point L846-2(lines 846 850) no Hoare annotation was computed. [2018-10-26 19:32:59,452 INFO L425 ceAbstractionStarter]: For program point L844-1(line 844) no Hoare annotation was computed. [2018-10-26 19:32:59,452 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 837 855) the Hoare annotation is: true [2018-10-26 19:32:59,452 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 837 855) no Hoare annotation was computed. [2018-10-26 19:32:59,452 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 837 855) no Hoare annotation was computed. [2018-10-26 19:32:59,452 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 532 538) no Hoare annotation was computed. [2018-10-26 19:32:59,452 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 532 538) the Hoare annotation is: true [2018-10-26 19:32:59,452 INFO L421 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 19:32:59,452 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 19:32:59,452 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-10-26 19:32:59,452 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-10-26 19:32:59,453 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 773 780) the Hoare annotation is: true [2018-10-26 19:32:59,453 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 773 780) no Hoare annotation was computed. [2018-10-26 19:32:59,453 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 773 780) no Hoare annotation was computed. [2018-10-26 19:32:59,453 INFO L421 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 19:32:59,453 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 740 764) no Hoare annotation was computed. [2018-10-26 19:32:59,453 INFO L425 ceAbstractionStarter]: For program point L759-1(lines 740 764) no Hoare annotation was computed. [2018-10-26 19:32:59,453 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 740 764) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 19:32:59,453 INFO L421 ceAbstractionStarter]: At program point L754(line 754) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 19:32:59,453 INFO L421 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 19:32:59,453 INFO L425 ceAbstractionStarter]: For program point L748(lines 748 756) no Hoare annotation was computed. [2018-10-26 19:32:59,454 INFO L421 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 19:32:59,454 INFO L425 ceAbstractionStarter]: For program point L746-1(line 746) no Hoare annotation was computed. [2018-10-26 19:32:59,456 INFO L425 ceAbstractionStarter]: For program point L744(lines 744 761) no Hoare annotation was computed. [2018-10-26 19:32:59,457 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 732 738) no Hoare annotation was computed. [2018-10-26 19:32:59,457 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 732 738) the Hoare annotation is: true [2018-10-26 19:32:59,457 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 857 920) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 19:32:59,457 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 857 920) no Hoare annotation was computed. [2018-10-26 19:32:59,457 INFO L421 ceAbstractionStarter]: At program point L913(lines 866 914) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 19:32:59,457 INFO L425 ceAbstractionStarter]: For program point L903(lines 903 907) no Hoare annotation was computed. [2018-10-26 19:32:59,457 INFO L421 ceAbstractionStarter]: At program point L903-2(lines 897 908) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1))) [2018-10-26 19:32:59,457 INFO L425 ceAbstractionStarter]: For program point L868(lines 867 912) no Hoare annotation was computed. [2018-10-26 19:32:59,458 INFO L425 ceAbstractionStarter]: For program point L897(lines 897 908) no Hoare annotation was computed. [2018-10-26 19:32:59,458 INFO L421 ceAbstractionStarter]: At program point L889(line 889) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1))) [2018-10-26 19:32:59,458 INFO L425 ceAbstractionStarter]: For program point L887(lines 887 893) no Hoare annotation was computed. [2018-10-26 19:32:59,458 INFO L425 ceAbstractionStarter]: For program point L887-1(lines 887 893) no Hoare annotation was computed. [2018-10-26 19:32:59,458 INFO L421 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1))) [2018-10-26 19:32:59,458 INFO L421 ceAbstractionStarter]: At program point L910(lines 867 912) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1))) [2018-10-26 19:32:59,458 INFO L425 ceAbstractionStarter]: For program point L877(lines 877 883) no Hoare annotation was computed. [2018-10-26 19:32:59,458 INFO L425 ceAbstractionStarter]: For program point L877-1(lines 877 883) no Hoare annotation was computed. [2018-10-26 19:32:59,458 INFO L425 ceAbstractionStarter]: For program point L869(lines 869 873) no Hoare annotation was computed. [2018-10-26 19:32:59,458 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 857 920) no Hoare annotation was computed. [2018-10-26 19:32:59,459 INFO L425 ceAbstractionStarter]: For program point L867-1(lines 867 912) no Hoare annotation was computed. [2018-10-26 19:32:59,459 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 690 698) no Hoare annotation was computed. [2018-10-26 19:32:59,459 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 690 698) the Hoare annotation is: true [2018-10-26 19:32:59,459 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 690 698) no Hoare annotation was computed. [2018-10-26 19:32:59,459 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 19:32:59,459 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-10-26 19:32:59,459 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 19:32:59,459 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 681 689) the Hoare annotation is: true [2018-10-26 19:32:59,459 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 681 689) no Hoare annotation was computed. [2018-10-26 19:32:59,459 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 681 689) no Hoare annotation was computed. [2018-10-26 19:32:59,459 INFO L425 ceAbstractionStarter]: For program point L641-1(lines 637 648) no Hoare annotation was computed. [2018-10-26 19:32:59,459 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 637 648) the Hoare annotation is: true [2018-10-26 19:32:59,460 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 637 648) no Hoare annotation was computed. [2018-10-26 19:32:59,460 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-10-26 19:32:59,460 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-10-26 19:32:59,460 INFO L428 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-10-26 19:32:59,460 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 66) no Hoare annotation was computed. [2018-10-26 19:32:59,460 INFO L428 ceAbstractionStarter]: At program point L52-3(lines 52 66) the Hoare annotation is: true [2018-10-26 19:32:59,460 INFO L428 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-10-26 19:32:59,460 INFO L425 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-10-26 19:32:59,460 INFO L428 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-10-26 19:32:59,460 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-10-26 19:32:59,460 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-10-26 19:32:59,460 INFO L425 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-10-26 19:32:59,461 INFO L421 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 19:32:59,461 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 705 731) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 19:32:59,461 INFO L421 ceAbstractionStarter]: At program point L719(lines 719 725) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 19:32:59,461 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 705 731) no Hoare annotation was computed. [2018-10-26 19:32:59,461 INFO L421 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 19:32:59,461 INFO L425 ceAbstractionStarter]: For program point L712(lines 708 730) no Hoare annotation was computed. [2018-10-26 19:32:59,461 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 705 731) no Hoare annotation was computed. [2018-10-26 19:32:59,461 INFO L425 ceAbstractionStarter]: For program point L710(lines 708 730) no Hoare annotation was computed. [2018-10-26 19:32:59,461 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 613 624) the Hoare annotation is: true [2018-10-26 19:32:59,461 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 613 624) no Hoare annotation was computed. [2018-10-26 19:32:59,462 INFO L425 ceAbstractionStarter]: For program point L617-1(lines 613 624) no Hoare annotation was computed. [2018-10-26 19:32:59,462 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 19:32:59,466 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-10-26 19:32:59,466 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 19:32:59,466 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 19:32:59,466 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-10-26 19:32:59,466 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-10-26 19:32:59,467 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 625 636) no Hoare annotation was computed. [2018-10-26 19:32:59,467 INFO L425 ceAbstractionStarter]: For program point L629-1(lines 625 636) no Hoare annotation was computed. [2018-10-26 19:32:59,467 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 625 636) the Hoare annotation is: true [2018-10-26 19:32:59,467 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 512 519) no Hoare annotation was computed. [2018-10-26 19:32:59,467 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2018-10-26 19:32:59,467 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 512 519) the Hoare annotation is: true [2018-10-26 19:32:59,467 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 512 519) no Hoare annotation was computed. [2018-10-26 19:32:59,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:32:59 BoogieIcfgContainer [2018-10-26 19:32:59,480 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 19:32:59,481 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:32:59,481 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:32:59,481 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:32:59,482 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:32:53" (3/4) ... [2018-10-26 19:32:59,485 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 19:32:59,490 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-26 19:32:59,490 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-26 19:32:59,490 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-10-26 19:32:59,490 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-10-26 19:32:59,490 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-10-26 19:32:59,491 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 19:32:59,491 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-26 19:32:59,491 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-10-26 19:32:59,491 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-26 19:32:59,491 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-26 19:32:59,491 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 19:32:59,491 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-26 19:32:59,491 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 19:32:59,491 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-26 19:32:59,491 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-10-26 19:32:59,492 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 19:32:59,492 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-10-26 19:32:59,492 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 19:32:59,492 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 19:32:59,492 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 19:32:59,492 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-26 19:32:59,493 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-26 19:32:59,493 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 19:32:59,493 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-26 19:32:59,505 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 140 nodes and edges [2018-10-26 19:32:59,506 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 19:32:59,506 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-26 19:32:59,535 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(systemActive == 1) [2018-10-26 19:32:59,536 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(systemActive == 1) [2018-10-26 19:32:59,588 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_374db18e-8f2c-43ea-8311-fe81ad8a9932/bin-2019/utaipan/witness.graphml [2018-10-26 19:32:59,588 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:32:59,590 INFO L168 Benchmark]: Toolchain (without parser) took 7561.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 963.4 MB in the beginning and 1.1 GB in the end (delta: -92.2 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2018-10-26 19:32:59,590 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:32:59,590 INFO L168 Benchmark]: CACSL2BoogieTranslator took 458.19 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 936.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 19:32:59,591 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -203.0 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:32:59,591 INFO L168 Benchmark]: Boogie Preprocessor took 73.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:32:59,591 INFO L168 Benchmark]: RCFGBuilder took 1174.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 85.2 MB). Peak memory consumption was 85.2 MB. Max. memory is 11.5 GB. [2018-10-26 19:32:59,591 INFO L168 Benchmark]: TraceAbstraction took 5584.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -11.7 MB). Peak memory consumption was 180.5 MB. Max. memory is 11.5 GB. [2018-10-26 19:32:59,592 INFO L168 Benchmark]: Witness Printer took 107.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:32:59,593 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 458.19 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 936.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 158.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -203.0 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1174.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 85.2 MB). Peak memory consumption was 85.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5584.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -11.7 MB). Peak memory consumption was 180.5 MB. Max. memory is 11.5 GB. * Witness Printer took 107.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 516]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(systemActive == 1) - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(systemActive == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 129 locations, 1 error locations. SAFE Result, 5.5s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 2.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 454 SDtfs, 264 SDslu, 477 SDs, 0 SdLazy, 279 SolverSat, 101 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 170 PreInvPairs, 177 NumberOfFragments, 330 HoareAnnotationTreeSize, 170 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 372 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 258 NumberOfCodeBlocks, 258 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 27660 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...