./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product55_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_76b52677-5f52-4113-b727-7a667897b854/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_76b52677-5f52-4113-b727-7a667897b854/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_76b52677-5f52-4113-b727-7a667897b854/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_76b52677-5f52-4113-b727-7a667897b854/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product55_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_76b52677-5f52-4113-b727-7a667897b854/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_76b52677-5f52-4113-b727-7a667897b854/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 548cbaf589264b5429347049095271c63f36d598 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 22:02:34,549 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:02:34,551 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:02:34,559 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:02:34,559 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:02:34,559 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:02:34,560 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:02:34,561 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:02:34,562 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:02:34,563 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:02:34,564 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:02:34,564 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:02:34,565 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:02:34,565 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:02:34,566 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:02:34,567 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:02:34,567 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:02:34,569 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:02:34,571 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:02:34,572 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:02:34,573 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:02:34,574 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:02:34,575 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:02:34,576 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:02:34,576 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:02:34,577 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:02:34,578 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:02:34,578 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:02:34,579 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:02:34,580 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:02:34,580 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:02:34,581 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:02:34,581 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:02:34,581 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:02:34,582 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:02:34,582 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:02:34,582 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_76b52677-5f52-4113-b727-7a667897b854/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-22 22:02:34,593 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:02:34,593 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:02:34,594 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:02:34,594 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 22:02:34,594 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 22:02:34,594 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 22:02:34,594 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 22:02:34,595 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 22:02:34,595 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 22:02:34,595 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 22:02:34,595 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 22:02:34,595 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 22:02:34,595 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 22:02:34,595 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:02:34,596 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:02:34,596 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:02:34,597 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:02:34,597 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:02:34,597 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:02:34,598 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:02:34,598 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:02:34,598 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:02:34,598 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:02:34,598 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:02:34,598 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:02:34,598 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:02:34,598 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:02:34,598 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:02:34,598 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 22:02:34,598 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:02:34,599 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:02:34,599 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:02:34,599 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:02:34,599 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 22:02:34,599 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:02:34,599 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 22:02:34,599 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 22:02:34,599 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_76b52677-5f52-4113-b727-7a667897b854/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 -> 548cbaf589264b5429347049095271c63f36d598 [2018-11-22 22:02:34,621 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:02:34,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:02:34,631 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:02:34,632 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:02:34,632 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:02:34,633 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_76b52677-5f52-4113-b727-7a667897b854/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product55_true-unreach-call_false-termination.cil.c [2018-11-22 22:02:34,668 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_76b52677-5f52-4113-b727-7a667897b854/bin-2019/utaipan/data/3c08aab03/c6d5019b267840519c530e8c079f6044/FLAGa88518fc4 [2018-11-22 22:02:35,023 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:02:35,024 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_76b52677-5f52-4113-b727-7a667897b854/sv-benchmarks/c/product-lines/minepump_spec5_product55_true-unreach-call_false-termination.cil.c [2018-11-22 22:02:35,033 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_76b52677-5f52-4113-b727-7a667897b854/bin-2019/utaipan/data/3c08aab03/c6d5019b267840519c530e8c079f6044/FLAGa88518fc4 [2018-11-22 22:02:35,426 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_76b52677-5f52-4113-b727-7a667897b854/bin-2019/utaipan/data/3c08aab03/c6d5019b267840519c530e8c079f6044 [2018-11-22 22:02:35,428 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:02:35,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:02:35,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:02:35,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:02:35,433 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:02:35,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:02:35" (1/1) ... [2018-11-22 22:02:35,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2582a661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:02:35, skipping insertion in model container [2018-11-22 22:02:35,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:02:35" (1/1) ... [2018-11-22 22:02:35,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:02:35,473 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:02:35,660 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:02:35,669 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:02:35,765 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:02:35,784 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:02:35,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:02:35 WrapperNode [2018-11-22 22:02:35,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:02:35,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:02:35,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:02:35,785 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:02:35,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:02:35" (1/1) ... [2018-11-22 22:02:35,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:02:35" (1/1) ... [2018-11-22 22:02:35,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:02:35,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:02:35,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:02:35,806 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:02:35,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:02:35" (1/1) ... [2018-11-22 22:02:35,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:02:35" (1/1) ... [2018-11-22 22:02:35,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:02:35" (1/1) ... [2018-11-22 22:02:35,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:02:35" (1/1) ... [2018-11-22 22:02:35,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:02:35" (1/1) ... [2018-11-22 22:02:35,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:02:35" (1/1) ... [2018-11-22 22:02:35,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:02:35" (1/1) ... [2018-11-22 22:02:35,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:02:35,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:02:35,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:02:35,833 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:02:35,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:02:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76b52677-5f52-4113-b727-7a667897b854/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:02:35,876 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-22 22:02:35,876 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-22 22:02:35,876 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 22:02:35,877 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 22:02:35,877 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-22 22:02:35,877 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-22 22:02:35,877 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-22 22:02:35,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-22 22:02:35,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 22:02:35,877 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-22 22:02:35,877 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-22 22:02:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-22 22:02:35,878 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-22 22:02:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-22 22:02:35,878 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-22 22:02:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-22 22:02:35,878 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-22 22:02:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-22 22:02:35,878 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-22 22:02:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-22 22:02:35,879 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-22 22:02:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-22 22:02:35,879 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-22 22:02:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-22 22:02:35,879 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-22 22:02:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-22 22:02:35,879 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-22 22:02:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-22 22:02:35,879 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-22 22:02:35,880 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-22 22:02:35,880 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-22 22:02:35,880 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-22 22:02:35,880 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-22 22:02:35,880 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-22 22:02:35,880 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-22 22:02:35,880 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-22 22:02:35,880 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-22 22:02:35,880 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-22 22:02:35,881 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-22 22:02:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-22 22:02:35,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-22 22:02:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-22 22:02:35,881 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-22 22:02:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-22 22:02:35,881 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-22 22:02:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-22 22:02:35,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-22 22:02:35,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-22 22:02:35,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-22 22:02:35,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-22 22:02:35,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-22 22:02:35,882 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-22 22:02:35,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-22 22:02:35,882 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-22 22:02:35,882 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-22 22:02:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-22 22:02:35,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-22 22:02:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-22 22:02:35,883 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-22 22:02:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 22:02:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 22:02:35,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 22:02:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-22 22:02:35,883 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-22 22:02:35,884 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-22 22:02:35,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-22 22:02:35,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:02:35,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:02:36,326 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:02:36,327 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-22 22:02:36,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:02:36 BoogieIcfgContainer [2018-11-22 22:02:36,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:02:36,327 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 22:02:36,327 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 22:02:36,330 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 22:02:36,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:02:35" (1/3) ... [2018-11-22 22:02:36,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791214fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:02:36, skipping insertion in model container [2018-11-22 22:02:36,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:02:35" (2/3) ... [2018-11-22 22:02:36,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791214fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:02:36, skipping insertion in model container [2018-11-22 22:02:36,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:02:36" (3/3) ... [2018-11-22 22:02:36,332 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product55_true-unreach-call_false-termination.cil.c [2018-11-22 22:02:36,338 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 22:02:36,344 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 22:02:36,354 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 22:02:36,376 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 22:02:36,376 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 22:02:36,376 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 22:02:36,376 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 22:02:36,376 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 22:02:36,376 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 22:02:36,376 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 22:02:36,376 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 22:02:36,392 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2018-11-22 22:02:36,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-22 22:02:36,399 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:02:36,399 INFO L402 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] [2018-11-22 22:02:36,401 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:02:36,406 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:02:36,406 INFO L82 PathProgramCache]: Analyzing trace with hash -2044994500, now seen corresponding path program 1 times [2018-11-22 22:02:36,408 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:02:36,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:02:36,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:02:36,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:02:36,438 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:02:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:02:36,587 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 22:02:36,589 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:02:36,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 22:02:36,589 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:02:36,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-22 22:02:36,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-22 22:02:36,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 22:02:36,603 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 2 states. [2018-11-22 22:02:36,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:02:36,634 INFO L93 Difference]: Finished difference Result 320 states and 397 transitions. [2018-11-22 22:02:36,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-22 22:02:36,635 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-22 22:02:36,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:02:36,645 INFO L225 Difference]: With dead ends: 320 [2018-11-22 22:02:36,645 INFO L226 Difference]: Without dead ends: 162 [2018-11-22 22:02:36,649 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 [2018-11-22 22:02:36,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-11-22 22:02:36,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2018-11-22 22:02:36,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-11-22 22:02:36,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 192 transitions. [2018-11-22 22:02:36,690 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 192 transitions. Word has length 59 [2018-11-22 22:02:36,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:02:36,691 INFO L480 AbstractCegarLoop]: Abstraction has 162 states and 192 transitions. [2018-11-22 22:02:36,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-22 22:02:36,691 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 192 transitions. [2018-11-22 22:02:36,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-22 22:02:36,694 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:02:36,694 INFO L402 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] [2018-11-22 22:02:36,695 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:02:36,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:02:36,695 INFO L82 PathProgramCache]: Analyzing trace with hash -2066633447, now seen corresponding path program 1 times [2018-11-22 22:02:36,695 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:02:36,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:02:36,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:02:36,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:02:36,696 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:02:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:02:36,831 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 22:02:36,831 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:02:36,831 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 22:02:36,831 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:02:36,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 22:02:36,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 22:02:36,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-22 22:02:36,833 INFO L87 Difference]: Start difference. First operand 162 states and 192 transitions. Second operand 7 states. [2018-11-22 22:02:37,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:02:37,249 INFO L93 Difference]: Finished difference Result 495 states and 612 transitions. [2018-11-22 22:02:37,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 22:02:37,250 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-11-22 22:02:37,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:02:37,254 INFO L225 Difference]: With dead ends: 495 [2018-11-22 22:02:37,254 INFO L226 Difference]: Without dead ends: 361 [2018-11-22 22:02:37,256 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 [2018-11-22 22:02:37,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2018-11-22 22:02:37,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 353. [2018-11-22 22:02:37,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2018-11-22 22:02:37,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 434 transitions. [2018-11-22 22:02:37,293 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 434 transitions. Word has length 64 [2018-11-22 22:02:37,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:02:37,293 INFO L480 AbstractCegarLoop]: Abstraction has 353 states and 434 transitions. [2018-11-22 22:02:37,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 22:02:37,293 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 434 transitions. [2018-11-22 22:02:37,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-22 22:02:37,296 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:02:37,297 INFO L402 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] [2018-11-22 22:02:37,297 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:02:37,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:02:37,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1296411485, now seen corresponding path program 1 times [2018-11-22 22:02:37,298 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:02:37,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:02:37,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:02:37,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:02:37,299 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:02:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:02:37,397 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-22 22:02:37,397 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:02:37,397 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 22:02:37,398 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:02:37,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 22:02:37,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 22:02:37,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-22 22:02:37,399 INFO L87 Difference]: Start difference. First operand 353 states and 434 transitions. Second operand 7 states. [2018-11-22 22:02:37,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:02:37,904 INFO L93 Difference]: Finished difference Result 918 states and 1242 transitions. [2018-11-22 22:02:37,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-22 22:02:37,905 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-11-22 22:02:37,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:02:37,908 INFO L225 Difference]: With dead ends: 918 [2018-11-22 22:02:37,908 INFO L226 Difference]: Without dead ends: 593 [2018-11-22 22:02:37,910 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-22 22:02:37,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2018-11-22 22:02:37,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 513. [2018-11-22 22:02:37,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2018-11-22 22:02:37,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 645 transitions. [2018-11-22 22:02:37,956 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 645 transitions. Word has length 70 [2018-11-22 22:02:37,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:02:37,957 INFO L480 AbstractCegarLoop]: Abstraction has 513 states and 645 transitions. [2018-11-22 22:02:37,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 22:02:37,957 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 645 transitions. [2018-11-22 22:02:37,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-22 22:02:37,959 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:02:37,960 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:02:37,960 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:02:37,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:02:37,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1456021167, now seen corresponding path program 1 times [2018-11-22 22:02:37,960 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:02:37,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:02:37,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:02:37,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:02:37,961 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:02:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:02:38,007 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 22:02:38,007 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:02:38,007 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:02:38,007 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:02:38,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:02:38,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:02:38,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:02:38,008 INFO L87 Difference]: Start difference. First operand 513 states and 645 transitions. Second operand 3 states. [2018-11-22 22:02:38,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:02:38,030 INFO L93 Difference]: Finished difference Result 849 states and 1026 transitions. [2018-11-22 22:02:38,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:02:38,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2018-11-22 22:02:38,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:02:38,034 INFO L225 Difference]: With dead ends: 849 [2018-11-22 22:02:38,034 INFO L226 Difference]: Without dead ends: 468 [2018-11-22 22:02:38,035 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 [2018-11-22 22:02:38,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2018-11-22 22:02:38,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 468. [2018-11-22 22:02:38,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2018-11-22 22:02:38,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 565 transitions. [2018-11-22 22:02:38,061 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 565 transitions. Word has length 93 [2018-11-22 22:02:38,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:02:38,061 INFO L480 AbstractCegarLoop]: Abstraction has 468 states and 565 transitions. [2018-11-22 22:02:38,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:02:38,061 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 565 transitions. [2018-11-22 22:02:38,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-22 22:02:38,063 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:02:38,063 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:02:38,063 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:02:38,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:02:38,064 INFO L82 PathProgramCache]: Analyzing trace with hash 290465587, now seen corresponding path program 1 times [2018-11-22 22:02:38,064 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:02:38,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:02:38,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:02:38,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:02:38,065 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:02:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:02:38,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 22:02:38,139 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:02:38,139 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 22:02:38,139 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:02:38,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 22:02:38,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 22:02:38,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:02:38,141 INFO L87 Difference]: Start difference. First operand 468 states and 565 transitions. Second operand 6 states. [2018-11-22 22:02:38,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:02:38,189 INFO L93 Difference]: Finished difference Result 918 states and 1131 transitions. [2018-11-22 22:02:38,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 22:02:38,192 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2018-11-22 22:02:38,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:02:38,194 INFO L225 Difference]: With dead ends: 918 [2018-11-22 22:02:38,195 INFO L226 Difference]: Without dead ends: 478 [2018-11-22 22:02:38,196 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-22 22:02:38,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2018-11-22 22:02:38,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 478. [2018-11-22 22:02:38,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2018-11-22 22:02:38,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 575 transitions. [2018-11-22 22:02:38,221 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 575 transitions. Word has length 97 [2018-11-22 22:02:38,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:02:38,221 INFO L480 AbstractCegarLoop]: Abstraction has 478 states and 575 transitions. [2018-11-22 22:02:38,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 22:02:38,222 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 575 transitions. [2018-11-22 22:02:38,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-22 22:02:38,223 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:02:38,223 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:02:38,223 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:02:38,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:02:38,223 INFO L82 PathProgramCache]: Analyzing trace with hash 218079029, now seen corresponding path program 1 times [2018-11-22 22:02:38,223 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:02:38,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:02:38,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:02:38,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:02:38,224 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:02:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:02:38,286 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 22:02:38,286 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:02:38,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-22 22:02:38,286 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:02:38,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-22 22:02:38,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-22 22:02:38,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-22 22:02:38,287 INFO L87 Difference]: Start difference. First operand 478 states and 575 transitions. Second operand 8 states. [2018-11-22 22:02:38,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:02:38,334 INFO L93 Difference]: Finished difference Result 942 states and 1174 transitions. [2018-11-22 22:02:38,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 22:02:38,335 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 97 [2018-11-22 22:02:38,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:02:38,337 INFO L225 Difference]: With dead ends: 942 [2018-11-22 22:02:38,337 INFO L226 Difference]: Without dead ends: 492 [2018-11-22 22:02:38,339 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-22 22:02:38,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2018-11-22 22:02:38,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 486. [2018-11-22 22:02:38,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2018-11-22 22:02:38,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 583 transitions. [2018-11-22 22:02:38,363 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 583 transitions. Word has length 97 [2018-11-22 22:02:38,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:02:38,363 INFO L480 AbstractCegarLoop]: Abstraction has 486 states and 583 transitions. [2018-11-22 22:02:38,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-22 22:02:38,363 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 583 transitions. [2018-11-22 22:02:38,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-22 22:02:38,365 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:02:38,365 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:02:38,365 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:02:38,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:02:38,365 INFO L82 PathProgramCache]: Analyzing trace with hash 547844790, now seen corresponding path program 1 times [2018-11-22 22:02:38,365 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:02:38,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:02:38,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:02:38,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:02:38,366 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:02:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:02:38,425 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 22:02:38,425 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:02:38,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 22:02:38,425 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:02:38,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 22:02:38,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 22:02:38,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-22 22:02:38,426 INFO L87 Difference]: Start difference. First operand 486 states and 583 transitions. Second operand 4 states. [2018-11-22 22:02:38,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:02:38,633 INFO L93 Difference]: Finished difference Result 1550 states and 1948 transitions. [2018-11-22 22:02:38,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-22 22:02:38,633 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 97 [2018-11-22 22:02:38,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:02:38,638 INFO L225 Difference]: With dead ends: 1550 [2018-11-22 22:02:38,638 INFO L226 Difference]: Without dead ends: 1092 [2018-11-22 22:02:38,641 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-22 22:02:38,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2018-11-22 22:02:38,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1075. [2018-11-22 22:02:38,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1075 states. [2018-11-22 22:02:38,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1324 transitions. [2018-11-22 22:02:38,701 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1324 transitions. Word has length 97 [2018-11-22 22:02:38,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:02:38,702 INFO L480 AbstractCegarLoop]: Abstraction has 1075 states and 1324 transitions. [2018-11-22 22:02:38,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 22:02:38,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1324 transitions. [2018-11-22 22:02:38,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-22 22:02:38,704 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:02:38,704 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:02:38,704 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:02:38,704 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:02:38,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1712195356, now seen corresponding path program 1 times [2018-11-22 22:02:38,704 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:02:38,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:02:38,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:02:38,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:02:38,705 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:02:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:02:38,808 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 22:02:38,808 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:02:38,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-22 22:02:38,809 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:02:38,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 22:02:38,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 22:02:38,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-22 22:02:38,810 INFO L87 Difference]: Start difference. First operand 1075 states and 1324 transitions. Second operand 9 states. [2018-11-22 22:02:39,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:02:39,774 INFO L93 Difference]: Finished difference Result 2922 states and 3768 transitions. [2018-11-22 22:02:39,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-22 22:02:39,774 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 101 [2018-11-22 22:02:39,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:02:39,783 INFO L225 Difference]: With dead ends: 2922 [2018-11-22 22:02:39,783 INFO L226 Difference]: Without dead ends: 2067 [2018-11-22 22:02:39,786 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-22 22:02:39,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2067 states. [2018-11-22 22:02:39,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2067 to 1836. [2018-11-22 22:02:39,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1836 states. [2018-11-22 22:02:39,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1836 states and 2223 transitions. [2018-11-22 22:02:39,887 INFO L78 Accepts]: Start accepts. Automaton has 1836 states and 2223 transitions. Word has length 101 [2018-11-22 22:02:39,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:02:39,887 INFO L480 AbstractCegarLoop]: Abstraction has 1836 states and 2223 transitions. [2018-11-22 22:02:39,887 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 22:02:39,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2223 transitions. [2018-11-22 22:02:39,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-22 22:02:39,890 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:02:39,891 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:02:39,891 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:02:39,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:02:39,891 INFO L82 PathProgramCache]: Analyzing trace with hash 45731272, now seen corresponding path program 1 times [2018-11-22 22:02:39,891 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:02:39,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:02:39,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:02:39,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:02:39,892 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:02:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:02:40,010 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-22 22:02:40,010 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:02:40,010 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:02:40,011 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 179 with the following transitions: [2018-11-22 22:02:40,012 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [61], [64], [68], [69], [70], [74], [76], [77], [80], [83], [85], [91], [95], [98], [99], [103], [104], [105], [106], [115], [119], [123], [126], [129], [131], [137], [139], [142], [158], [159], [160], [161], [162], [163], [164], [166], [171], [173], [174], [175], [176], [184], [185], [189], [192], [196], [202], [231], [235], [236], [240], [243], [245], [248], [255], [258], [261], [265], [266], [269], [272], [274], [280], [284], [287], [288], [289], [290], [291], [292], [293], [294], [296], [297], [298], [299], [300], [301], [302], [303], [304], [308], [309], [310], [311], [312], [314], [315], [316], [317], [320], [321], [322], [323], [324], [325], [330], [331], [334], [335], [336], [337], [338], [339], [340], [341], [342], [343], [348], [349], [350], [352], [353], [354], [355], [358], [359], [360], [361], [364], [365], [366], [367] [2018-11-22 22:02:40,043 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:02:40,044 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:02:42,108 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 22:02:42,109 INFO L272 AbstractInterpreter]: Visited 144 different actions 847 times. Merged at 18 different actions 66 times. Never widened. Performed 32968 root evaluator evaluations with a maximum evaluation depth of 5. Performed 32968 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 11 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-22 22:02:42,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:02:42,121 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 22:02:42,121 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:02:42,121 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76b52677-5f52-4113-b727-7a667897b854/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 [2018-11-22 22:02:42,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:02:42,129 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 22:02:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:02:42,232 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:02:42,332 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 29 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:02:42,332 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:02:42,623 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-22 22:02:42,639 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 22:02:42,639 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-22 22:02:42,640 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 22:02:42,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-22 22:02:42,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-22 22:02:42,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-22 22:02:42,641 INFO L87 Difference]: Start difference. First operand 1836 states and 2223 transitions. Second operand 16 states. [2018-11-22 22:02:43,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:02:43,431 INFO L93 Difference]: Finished difference Result 4133 states and 5212 transitions. [2018-11-22 22:02:43,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-22 22:02:43,432 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 178 [2018-11-22 22:02:43,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:02:43,438 INFO L225 Difference]: With dead ends: 4133 [2018-11-22 22:02:43,438 INFO L226 Difference]: Without dead ends: 2511 [2018-11-22 22:02:43,442 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 348 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=1056, Unknown=0, NotChecked=0, Total=1260 [2018-11-22 22:02:43,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2511 states. [2018-11-22 22:02:43,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2511 to 2265. [2018-11-22 22:02:43,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2265 states. [2018-11-22 22:02:43,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2265 states to 2265 states and 2693 transitions. [2018-11-22 22:02:43,526 INFO L78 Accepts]: Start accepts. Automaton has 2265 states and 2693 transitions. Word has length 178 [2018-11-22 22:02:43,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:02:43,526 INFO L480 AbstractCegarLoop]: Abstraction has 2265 states and 2693 transitions. [2018-11-22 22:02:43,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-22 22:02:43,526 INFO L276 IsEmpty]: Start isEmpty. Operand 2265 states and 2693 transitions. [2018-11-22 22:02:43,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-11-22 22:02:43,531 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:02:43,531 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:02:43,531 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:02:43,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:02:43,531 INFO L82 PathProgramCache]: Analyzing trace with hash 469356375, now seen corresponding path program 1 times [2018-11-22 22:02:43,531 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:02:43,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:02:43,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:02:43,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:02:43,532 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:02:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:02:43,666 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 74 proven. 53 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2018-11-22 22:02:43,666 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:02:43,666 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:02:43,666 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 298 with the following transitions: [2018-11-22 22:02:43,667 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [61], [64], [68], [69], [70], [74], [76], [77], [78], [79], [80], [83], [85], [88], [91], [95], [98], [99], [103], [104], [105], [106], [115], [119], [123], [126], [129], [131], [137], [139], [142], [158], [159], [160], [161], [162], [163], [164], [166], [171], [173], [174], [175], [176], [184], [185], [189], [192], [196], [202], [231], [235], [236], [240], [243], [245], [248], [255], [258], [261], [265], [266], [269], [272], [274], [280], [284], [287], [288], [289], [290], [291], [292], [293], [294], [296], [297], [298], [299], [300], [301], [302], [303], [304], [308], [309], [310], [311], [312], [314], [315], [316], [317], [318], [319], [320], [321], [322], [323], [324], [325], [330], [331], [334], [335], [336], [337], [338], [339], [340], [341], [342], [343], [348], [349], [350], [352], [353], [354], [355], [358], [359], [360], [361], [364], [365], [366], [367] [2018-11-22 22:02:43,670 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:02:43,670 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:02:45,122 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 22:02:45,122 INFO L272 AbstractInterpreter]: Visited 149 different actions 981 times. Merged at 19 different actions 91 times. Never widened. Performed 40541 root evaluator evaluations with a maximum evaluation depth of 5. Performed 40541 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 16 fixpoints after 4 different actions. Largest state had 134 variables. [2018-11-22 22:02:45,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:02:45,128 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 22:02:45,128 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:02:45,128 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76b52677-5f52-4113-b727-7a667897b854/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:02:45,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:02:45,134 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 22:02:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:02:45,266 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:02:45,444 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 204 proven. 4 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-22 22:02:45,444 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:02:46,021 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 74 proven. 30 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-11-22 22:02:46,037 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 22:02:46,037 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 13] total 28 [2018-11-22 22:02:46,037 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 22:02:46,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-22 22:02:46,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-22 22:02:46,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=636, Unknown=0, NotChecked=0, Total=756 [2018-11-22 22:02:46,038 INFO L87 Difference]: Start difference. First operand 2265 states and 2693 transitions. Second operand 20 states. [2018-11-22 22:02:48,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:02:48,689 INFO L93 Difference]: Finished difference Result 6887 states and 9375 transitions. [2018-11-22 22:02:48,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-22 22:02:48,690 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 297 [2018-11-22 22:02:48,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:02:48,691 INFO L225 Difference]: With dead ends: 6887 [2018-11-22 22:02:48,691 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 22:02:48,701 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 647 GetRequests, 585 SyntacticMatches, 11 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 571 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=545, Invalid=2211, Unknown=0, NotChecked=0, Total=2756 [2018-11-22 22:02:48,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 22:02:48,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 22:02:48,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 22:02:48,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 22:02:48,702 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 297 [2018-11-22 22:02:48,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:02:48,702 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 22:02:48,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-22 22:02:48,702 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 22:02:48,702 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 22:02:48,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 22:02:48,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:48,874 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 77 [2018-11-22 22:02:49,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:49,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:02:50,233 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 30 [2018-11-22 22:02:50,415 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 36 [2018-11-22 22:02:50,652 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 48 [2018-11-22 22:02:50,912 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 30 [2018-11-22 22:02:51,070 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 32 [2018-11-22 22:02:51,776 WARN L180 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 56 [2018-11-22 22:02:51,894 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 30 [2018-11-22 22:02:52,476 WARN L180 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 55 [2018-11-22 22:02:53,045 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 47 [2018-11-22 22:02:53,298 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 33 [2018-11-22 22:02:53,519 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 30 [2018-11-22 22:02:53,717 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 29 [2018-11-22 22:02:54,045 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 34 [2018-11-22 22:02:54,694 WARN L180 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 42 [2018-11-22 22:02:54,903 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 35 [2018-11-22 22:02:55,507 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 38 [2018-11-22 22:02:55,833 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 48 [2018-11-22 22:02:55,939 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 29 [2018-11-22 22:02:55,958 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 530 536) the Hoare annotation is: true [2018-11-22 22:02:55,958 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 530 536) no Hoare annotation was computed. [2018-11-22 22:02:55,958 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 537 545) no Hoare annotation was computed. [2018-11-22 22:02:55,958 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 537 545) the Hoare annotation is: true [2018-11-22 22:02:55,958 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 537 545) no Hoare annotation was computed. [2018-11-22 22:02:55,958 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 980 987) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-22 22:02:55,958 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 980 987) no Hoare annotation was computed. [2018-11-22 22:02:55,958 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 980 987) no Hoare annotation was computed. [2018-11-22 22:02:55,958 INFO L448 ceAbstractionStarter]: For program point L993(line 993) no Hoare annotation was computed. [2018-11-22 22:02:55,958 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 988 997) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse5 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0)) (.cse1 (< 2 ~waterLevel~0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse3) (or (< 1 ~waterLevel~0) .cse4 .cse2 .cse3) (or .cse5 .cse4 .cse6 (not (= ~waterLevel~0 1))) (or .cse4 .cse3 .cse2 (not (= ~waterLevel~0 2))) (or .cse5 .cse4 .cse0 .cse1 .cse6))) [2018-11-22 22:02:55,959 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 988 997) no Hoare annotation was computed. [2018-11-22 22:02:55,959 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 988 997) no Hoare annotation was computed. [2018-11-22 22:02:55,959 INFO L444 ceAbstractionStarter]: At program point L1013(line 1013) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 (< 2 ~waterLevel~0) .cse1) (or (< 0 ~waterLevel~0) .cse2 .cse3 .cse1) (or (< ~switchedOnBeforeTS~0 1) (< 1 ~waterLevel~0) .cse0 .cse2) (or .cse2 .cse3 (not (= ~waterLevel~0 2))) (or .cse2 .cse3 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-22 22:02:55,959 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1017) no Hoare annotation was computed. [2018-11-22 22:02:55,959 INFO L448 ceAbstractionStarter]: For program point L1010(lines 1010 1020) no Hoare annotation was computed. [2018-11-22 22:02:55,959 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 998 1026) the Hoare annotation is: true [2018-11-22 22:02:55,959 INFO L444 ceAbstractionStarter]: At program point L1008(line 1008) the Hoare annotation is: (let ((.cse0 (< 0 ~waterLevel~0)) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse5 (< ~switchedOnBeforeTS~0 1)) (.cse1 (= ~systemActive~0 0)) (.cse7 (not (= ~waterLevel~0 1))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (= ~waterLevel~0 __utac_acc__Specification5_spec__3_~tmp~10))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse3 (not (= ~waterLevel~0 2))) (or .cse5 .cse0 .cse6 .cse1 .cse2) (or .cse1 .cse3 .cse4 .cse7 .cse2) (or .cse5 .cse6 .cse1 .cse7 .cse2) (or .cse6 (< 2 ~waterLevel~0) .cse4 (and (<= ~waterLevel~0 1) .cse2)))) [2018-11-22 22:02:55,959 INFO L448 ceAbstractionStarter]: For program point L1008-1(line 1008) no Hoare annotation was computed. [2018-11-22 22:02:55,959 INFO L448 ceAbstractionStarter]: For program point L1006(lines 1006 1023) no Hoare annotation was computed. [2018-11-22 22:02:55,959 INFO L448 ceAbstractionStarter]: For program point L1006-1(lines 998 1026) no Hoare annotation was computed. [2018-11-22 22:02:55,959 INFO L451 ceAbstractionStarter]: At program point L1004(line 1004) the Hoare annotation is: true [2018-11-22 22:02:55,959 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 998 1026) no Hoare annotation was computed. [2018-11-22 22:02:55,959 INFO L448 ceAbstractionStarter]: For program point L1004-1(line 1004) no Hoare annotation was computed. [2018-11-22 22:02:55,960 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:02:55,960 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2018-11-22 22:02:55,960 INFO L444 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:02:55,960 INFO L444 ceAbstractionStarter]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:02:55,960 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2018-11-22 22:02:55,960 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2018-11-22 22:02:55,960 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-22 22:02:55,960 INFO L444 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:02:55,960 INFO L444 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:02:55,960 INFO L444 ceAbstractionStarter]: At program point L494-1(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:02:55,960 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2018-11-22 22:02:55,960 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 963 977) no Hoare annotation was computed. [2018-11-22 22:02:55,961 INFO L444 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0)))) (let ((.cse2 (not (= ~waterLevel~0 2))) (.cse8 (< 0 ~waterLevel~0)) (.cse1 (= |old(~systemActive~0)| 0)) (.cse5 (and .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~waterLevel~0 1)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (or .cse1 .cse2) .cse3)) (or .cse4 .cse2) (or (< ~switchedOnBeforeTS~0 1) (< 1 ~waterLevel~0) .cse4) (or .cse5 .cse1 .cse3 .cse6 .cse7) (or .cse8 .cse4 .cse6) (or .cse8 .cse1 .cse5 .cse3 .cse6) (or (< 2 ~waterLevel~0) .cse3 (not (= |old(~systemActive~0)| 1)) .cse6 (= ~systemActive~0 1)) (or .cse4 .cse7)))) [2018-11-22 22:02:55,961 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 973) no Hoare annotation was computed. [2018-11-22 22:02:55,961 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 963 977) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse10 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse6 (not (= ~waterLevel~0 1))) (.cse1 (= |old(~systemActive~0)| 0)) (.cse7 (and .cse0 .cse10)) (.cse9 (< 0 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~waterLevel~0 2))) (.cse4 (= 0 ~pumpRunning~0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (or .cse1 .cse2) .cse3)) (or .cse4 .cse5 .cse6) (or .cse7 .cse1 .cse3 .cse8 .cse6) (or .cse9 .cse1 .cse7 .cse3 .cse8) (or (< ~switchedOnBeforeTS~0 1) .cse9 .cse4 .cse5) (or .cse9 .cse10 .cse5 .cse8) (or (< 2 ~waterLevel~0) .cse3 (not (= |old(~systemActive~0)| 1)) .cse8 (= ~systemActive~0 1)) (or (or .cse5 .cse2) .cse4)))) [2018-11-22 22:02:55,961 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 963 977) no Hoare annotation was computed. [2018-11-22 22:02:55,961 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 880 888) no Hoare annotation was computed. [2018-11-22 22:02:55,961 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 880 888) the Hoare annotation is: true [2018-11-22 22:02:55,961 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 880 888) no Hoare annotation was computed. [2018-11-22 22:02:55,961 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 944 962) the Hoare annotation is: true [2018-11-22 22:02:55,961 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 957) no Hoare annotation was computed. [2018-11-22 22:02:55,961 INFO L451 ceAbstractionStarter]: At program point L951(line 951) the Hoare annotation is: true [2018-11-22 22:02:55,961 INFO L448 ceAbstractionStarter]: For program point L953-2(lines 953 957) no Hoare annotation was computed. [2018-11-22 22:02:55,961 INFO L448 ceAbstractionStarter]: For program point L951-1(line 951) no Hoare annotation was computed. [2018-11-22 22:02:55,961 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 944 962) no Hoare annotation was computed. [2018-11-22 22:02:55,962 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 944 962) no Hoare annotation was computed. [2018-11-22 22:02:55,962 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 523 529) no Hoare annotation was computed. [2018-11-22 22:02:55,962 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 523 529) the Hoare annotation is: true [2018-11-22 22:02:55,962 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:02:55,962 INFO L444 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:02:55,962 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2018-11-22 22:02:55,962 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2018-11-22 22:02:55,962 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 869 879) the Hoare annotation is: true [2018-11-22 22:02:55,962 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 869 879) no Hoare annotation was computed. [2018-11-22 22:02:55,962 INFO L451 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: true [2018-11-22 22:02:55,962 INFO L448 ceAbstractionStarter]: For program point L874-1(line 874) no Hoare annotation was computed. [2018-11-22 22:02:55,962 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 869 879) no Hoare annotation was computed. [2018-11-22 22:02:55,962 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 861 868) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) .cse0 .cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or (or (or .cse0 (not (= ~waterLevel~0 2))) .cse1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2018-11-22 22:02:55,962 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 861 868) no Hoare annotation was computed. [2018-11-22 22:02:55,963 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 861 868) no Hoare annotation was computed. [2018-11-22 22:02:55,963 INFO L448 ceAbstractionStarter]: For program point L834-1(line 834) no Hoare annotation was computed. [2018-11-22 22:02:55,963 INFO L448 ceAbstractionStarter]: For program point L832(lines 832 849) no Hoare annotation was computed. [2018-11-22 22:02:55,963 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 828 852) no Hoare annotation was computed. [2018-11-22 22:02:55,963 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 828 852) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or .cse3 .cse0 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) (or (< 1 ~waterLevel~0) .cse4 .cse1 .cse0 .cse3) (or (< 0 ~waterLevel~0) .cse1 .cse0 .cse2 .cse3))) [2018-11-22 22:02:55,963 INFO L444 ceAbstractionStarter]: At program point L847(line 847) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 0)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2)))) (or (< 1 ~waterLevel~0) .cse2 .cse3 .cse1 .cse0) (or .cse3 .cse4 .cse0 (not (= ~waterLevel~0 1))) (or (< 0 ~waterLevel~0) .cse3 .cse4 .cse0))) [2018-11-22 22:02:55,963 INFO L448 ceAbstractionStarter]: For program point L847-1(lines 828 852) no Hoare annotation was computed. [2018-11-22 22:02:55,963 INFO L444 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or .cse4 .cse1 .cse3 (not (= ~waterLevel~0 2))) (or (< 1 ~waterLevel~0) .cse4 .cse1 .cse3) (or (< 0 ~waterLevel~0) .cse1 .cse0 .cse2 .cse3))) [2018-11-22 22:02:55,963 INFO L444 ceAbstractionStarter]: At program point L838(line 838) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or .cse4 .cse1 .cse3 (not (= ~waterLevel~0 2))) (or (< 1 ~waterLevel~0) .cse4 .cse1 .cse3) (or (< 0 ~waterLevel~0) .cse1 .cse0 .cse2 .cse3))) [2018-11-22 22:02:55,963 INFO L448 ceAbstractionStarter]: For program point L836(lines 836 844) no Hoare annotation was computed. [2018-11-22 22:02:55,963 INFO L444 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or .cse4 .cse1 .cse3 (not (= ~waterLevel~0 2))) (or (< 1 ~waterLevel~0) .cse4 .cse1 .cse3) (or (< 0 ~waterLevel~0) .cse1 .cse0 .cse2 .cse3))) [2018-11-22 22:02:55,964 INFO L448 ceAbstractionStarter]: For program point L713(lines 713 719) no Hoare annotation was computed. [2018-11-22 22:02:55,964 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 709 722) no Hoare annotation was computed. [2018-11-22 22:02:55,964 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 709 722) the Hoare annotation is: true [2018-11-22 22:02:55,964 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 709 722) no Hoare annotation was computed. [2018-11-22 22:02:55,964 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 768 774) no Hoare annotation was computed. [2018-11-22 22:02:55,964 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 768 774) the Hoare annotation is: true [2018-11-22 22:02:55,964 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 557 622) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:02:55,964 INFO L444 ceAbstractionStarter]: At program point L605(line 605) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 1 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (<= ~waterLevel~0 1) .cse3 .cse1 .cse4) (and (<= 1 ~switchedOnBeforeTS~0) .cse0 (<= ~waterLevel~0 2) .cse1) (and (= ~waterLevel~0 2) (and .cse2 .cse3 .cse1)) (and .cse0 (<= ~waterLevel~0 0) .cse1 .cse4) (and .cse0 (= 2 ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-22 22:02:55,964 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 609) no Hoare annotation was computed. [2018-11-22 22:02:55,964 INFO L444 ceAbstractionStarter]: At program point L603-1(lines 597 610) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 2) .cse2) (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-22 22:02:55,964 INFO L448 ceAbstractionStarter]: For program point L568(lines 567 614) no Hoare annotation was computed. [2018-11-22 22:02:55,964 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 557 622) no Hoare annotation was computed. [2018-11-22 22:02:55,965 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 610) no Hoare annotation was computed. [2018-11-22 22:02:55,965 INFO L444 ceAbstractionStarter]: At program point L589(line 589) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 1)) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 0))) (.cse7 (<= ~waterLevel~0 2)) (.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 1 ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse3 .cse4 .cse5 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (<= ~waterLevel~0 1) .cse5 .cse2 .cse6) (and .cse0 .cse7 .cse2 .cse6) (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse3 .cse7 .cse2) (and .cse0 .cse4 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)))) [2018-11-22 22:02:55,965 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 593) no Hoare annotation was computed. [2018-11-22 22:02:55,965 INFO L448 ceAbstractionStarter]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2018-11-22 22:02:55,965 INFO L444 ceAbstractionStarter]: At program point L612(lines 567 614) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse4 (= ~pumpRunning~0 1)) (.cse3 (<= ~waterLevel~0 1)) (.cse0 (= 0 ~pumpRunning~0)) (.cse6 (= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 (= 1 ~waterLevel~0) (= ~systemActive~0 1) .cse1) (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse3 .cse1) (and .cse2 .cse3 .cse4 .cse1 .cse5) (and .cse2 .cse6 .cse4 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse1 .cse5) (and .cse0 .cse6 .cse1 .cse5) (not (= |old(~waterLevel~0)| 1)))) [2018-11-22 22:02:55,965 INFO L444 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 1)) (.cse4 (not (= ~systemActive~0 0))) (.cse1 (<= ~waterLevel~0 1)) (.cse0 (= 0 ~pumpRunning~0)) (.cse5 (= ~waterLevel~0 2)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= 1 ~waterLevel~0) (= ~systemActive~0 1) .cse2) (and .cse4 .cse5 .cse6 .cse2) (and .cse4 .cse1 .cse6 .cse2 .cse3) (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse4 .cse1 .cse2) (and .cse0 .cse5 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)))) [2018-11-22 22:02:55,965 INFO L448 ceAbstractionStarter]: For program point L577(lines 577 583) no Hoare annotation was computed. [2018-11-22 22:02:55,965 INFO L448 ceAbstractionStarter]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2018-11-22 22:02:55,965 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 573) no Hoare annotation was computed. [2018-11-22 22:02:55,965 INFO L444 ceAbstractionStarter]: At program point L615(lines 566 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:02:55,965 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 557 622) no Hoare annotation was computed. [2018-11-22 22:02:55,965 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 723 731) no Hoare annotation was computed. [2018-11-22 22:02:55,965 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 723 731) the Hoare annotation is: true [2018-11-22 22:02:55,966 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 723 731) no Hoare annotation was computed. [2018-11-22 22:02:55,966 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:02:55,966 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= ~waterLevel~0 1) (= |old(~waterLevel~0)| ~waterLevel~0))) [2018-11-22 22:02:55,966 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:02:55,966 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 853 860) no Hoare annotation was computed. [2018-11-22 22:02:55,966 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 853 860) no Hoare annotation was computed. [2018-11-22 22:02:55,966 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 853 860) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-22 22:02:55,966 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 925 943) no Hoare annotation was computed. [2018-11-22 22:02:55,966 INFO L448 ceAbstractionStarter]: For program point L934(lines 934 938) no Hoare annotation was computed. [2018-11-22 22:02:55,966 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 925 943) the Hoare annotation is: true [2018-11-22 22:02:55,966 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 925 943) no Hoare annotation was computed. [2018-11-22 22:02:55,966 INFO L451 ceAbstractionStarter]: At program point L932(line 932) the Hoare annotation is: true [2018-11-22 22:02:55,966 INFO L448 ceAbstractionStarter]: For program point L934-2(lines 934 938) no Hoare annotation was computed. [2018-11-22 22:02:55,966 INFO L448 ceAbstractionStarter]: For program point L932-1(line 932) no Hoare annotation was computed. [2018-11-22 22:02:55,966 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 700 708) the Hoare annotation is: true [2018-11-22 22:02:55,967 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 700 708) no Hoare annotation was computed. [2018-11-22 22:02:55,967 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 700 708) no Hoare annotation was computed. [2018-11-22 22:02:55,967 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 656 667) the Hoare annotation is: true [2018-11-22 22:02:55,967 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 656 667) no Hoare annotation was computed. [2018-11-22 22:02:55,967 INFO L448 ceAbstractionStarter]: For program point L660-1(lines 656 667) no Hoare annotation was computed. [2018-11-22 22:02:55,967 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 668 676) the Hoare annotation is: true [2018-11-22 22:02:55,967 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 668 676) no Hoare annotation was computed. [2018-11-22 22:02:55,967 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 668 676) no Hoare annotation was computed. [2018-11-22 22:02:55,967 INFO L444 ceAbstractionStarter]: At program point L757(line 757) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (= ~systemActive~0 0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (< 1 |old(~waterLevel~0)|) .cse0 (and .cse1 (<= ~waterLevel~0 0) .cse2) .cse3 .cse4) (or (or (or .cse0 (not (= |old(~waterLevel~0)| 2))) .cse3) (and (= 1 ~waterLevel~0) .cse1 .cse2)) (or (< 0 |old(~waterLevel~0)|) .cse5 .cse0 .cse3 .cse4) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 |old(~waterLevel~0)|) (and (= 0 ~pumpRunning~0) (not .cse0) .cse5 .cse2)))) [2018-11-22 22:02:55,967 INFO L444 ceAbstractionStarter]: At program point L755(lines 755 761) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= ~systemActive~0 0))) (let ((.cse12 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse8 (not .cse1)) (.cse9 (= ~pumpRunning~0 1)) (.cse15 (or (= ~waterLevel~0 1) .cse6)) (.cse16 (<= ~waterLevel~0 0)) (.cse7 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse11 (not (= |old(~waterLevel~0)| 2))) (.cse0 (and .cse9 .cse15 .cse16 .cse7)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse4 (and .cse12 .cse5 .cse8 .cse15 .cse16)) (.cse10 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (< 0 |old(~waterLevel~0)|) .cse0 .cse1 .cse2 .cse3 .cse4) (or (and .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse6) (or .cse10 .cse11)) (let ((.cse13 (= 1 ~waterLevel~0))) (or (or (or .cse1 .cse11) .cse2) (and .cse12 .cse5 .cse13) (and .cse13 .cse9 .cse7))) (let ((.cse14 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (or (and .cse12 .cse14 .cse5) .cse0 .cse1 (< 2 |old(~waterLevel~0)|) .cse2 .cse3 .cse4 (and .cse14 .cse9 .cse7))) (or (< 1 |old(~waterLevel~0)|) .cse10 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse5 .cse15 .cse7)))))) [2018-11-22 22:02:55,968 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 741 767) the Hoare annotation is: (let ((.cse12 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (< 0 |old(~waterLevel~0)|)) (.cse2 (<= ~waterLevel~0 0)) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse4 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse8 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse10 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (= ~systemActive~0 0)) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse14 (= ~pumpRunning~0 1)) (.cse13 (< 1 |old(~waterLevel~0)|)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (= 0 ~pumpRunning~0)) (.cse15 (or (= ~waterLevel~0 1) .cse12))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse4 .cse7) (or .cse8 .cse5 .cse1 .cse9 .cse10) (or (and .cse11 .cse12) (or .cse5 .cse7)) (or .cse0 .cse5 .cse2) (or .cse13 .cse5 .cse4 .cse6) (or .cse1 .cse9 .cse3 .cse4 (and .cse14 .cse15 .cse6)) (or .cse8 .cse5 .cse10 (not (= |old(~waterLevel~0)| 1))) (or (or (or .cse1 .cse7) .cse3) (and .cse14 .cse12)) (or .cse13 .cse5 (and .cse11 .cse15))))) [2018-11-22 22:02:55,968 INFO L444 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse5 (not (= |old(~waterLevel~0)| 2)))) (and (or (< 1 |old(~waterLevel~0)|) .cse0) (or .cse1 (< 2 |old(~waterLevel~0)|) .cse2 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse4)) (or .cse0 .cse5) (or .cse1 .cse2 (and (= ~waterLevel~0 2) .cse3 .cse4) .cse5))) [2018-11-22 22:02:55,968 INFO L448 ceAbstractionStarter]: For program point L748(lines 744 766) no Hoare annotation was computed. [2018-11-22 22:02:55,968 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 741 767) no Hoare annotation was computed. [2018-11-22 22:02:55,968 INFO L448 ceAbstractionStarter]: For program point L746(lines 744 766) no Hoare annotation was computed. [2018-11-22 22:02:55,968 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 741 767) no Hoare annotation was computed. [2018-11-22 22:02:55,968 INFO L451 ceAbstractionStarter]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2018-11-22 22:02:55,968 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2018-11-22 22:02:55,968 INFO L451 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: true [2018-11-22 22:02:55,968 INFO L448 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2018-11-22 22:02:55,968 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2018-11-22 22:02:55,968 INFO L451 ceAbstractionStarter]: At program point L433(lines 408 437) the Hoare annotation is: true [2018-11-22 22:02:55,969 INFO L448 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2018-11-22 22:02:55,969 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2018-11-22 22:02:55,969 INFO L451 ceAbstractionStarter]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2018-11-22 22:02:55,969 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-22 22:02:55,969 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 632 643) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 2)) .cse3) (or (= 1 ~waterLevel~0) .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (< 0 |old(~waterLevel~0)|) .cse0 .cse1 .cse3 .cse2))) [2018-11-22 22:02:55,969 INFO L448 ceAbstractionStarter]: For program point L636-1(lines 632 643) no Hoare annotation was computed. [2018-11-22 22:02:55,969 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 632 643) no Hoare annotation was computed. [2018-11-22 22:02:55,969 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2018-11-22 22:02:55,969 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2018-11-22 22:02:55,969 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:02:55,969 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-22 22:02:55,969 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 22:02:55,969 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:02:55,969 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 776 800) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or .cse3 .cse0 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) (or (< 1 ~waterLevel~0) .cse4 .cse1 .cse0 .cse3) (or (< 0 ~waterLevel~0) .cse1 .cse0 .cse2 .cse3))) [2018-11-22 22:02:55,970 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 776 800) no Hoare annotation was computed. [2018-11-22 22:02:55,970 INFO L444 ceAbstractionStarter]: At program point L795(line 795) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or .cse4 .cse1 .cse3 (not (= ~waterLevel~0 2))) (or (< 1 ~waterLevel~0) .cse4 .cse1 .cse3) (or (< 0 ~waterLevel~0) .cse1 .cse0 .cse2 .cse3))) [2018-11-22 22:02:55,970 INFO L448 ceAbstractionStarter]: For program point L795-1(lines 776 800) no Hoare annotation was computed. [2018-11-22 22:02:55,970 INFO L444 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: (let ((.cse0 (< 0 ~waterLevel~0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse4 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~waterLevel~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse5 .cse4 .cse6) (or .cse0 .cse2 .cse5 .cse4) (or .cse3 .cse4 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse4 .cse6 .cse3))) [2018-11-22 22:02:55,970 INFO L444 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2 (not (= ~waterLevel~0 1))) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or (< 0 ~waterLevel~0) .cse1 .cse3 .cse2))) [2018-11-22 22:02:55,970 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 792) no Hoare annotation was computed. [2018-11-22 22:02:55,970 INFO L444 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 0)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2)))) (or (< 1 ~waterLevel~0) .cse2 .cse3 .cse1 .cse0) (or .cse3 .cse4 .cse0 (not (= ~waterLevel~0 1))) (or (< 0 ~waterLevel~0) .cse3 .cse4 .cse0))) [2018-11-22 22:02:55,970 INFO L448 ceAbstractionStarter]: For program point L782-1(line 782) no Hoare annotation was computed. [2018-11-22 22:02:55,970 INFO L448 ceAbstractionStarter]: For program point L780(lines 780 797) no Hoare annotation was computed. [2018-11-22 22:02:55,970 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 644 655) no Hoare annotation was computed. [2018-11-22 22:02:55,970 INFO L448 ceAbstractionStarter]: For program point L648-1(lines 644 655) no Hoare annotation was computed. [2018-11-22 22:02:55,971 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 644 655) the Hoare annotation is: (let ((.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse8 (= 1 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse10 (< 0 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse11 (<= ~waterLevel~0 0)) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (< 1 |old(~waterLevel~0)|)) (.cse6 (or (= ~waterLevel~0 1) .cse9)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (= ~waterLevel~0 2) .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or (or .cse5 (not (= ~systemActive~0 1)) .cse7) .cse8) (or .cse8 .cse0 .cse1 .cse4 .cse7) (or .cse9 .cse4 .cse5 .cse2) (or .cse10 .cse11 .cse4 .cse5) (or .cse10 .cse0 .cse1 (and .cse6 .cse11) .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse3 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse6) (or .cse5 .cse0))))) [2018-11-22 22:02:55,971 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 547 554) no Hoare annotation was computed. [2018-11-22 22:02:55,971 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 551) no Hoare annotation was computed. [2018-11-22 22:02:55,971 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 547 554) the Hoare annotation is: true [2018-11-22 22:02:55,971 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 547 554) no Hoare annotation was computed. [2018-11-22 22:02:55,971 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 802 826) no Hoare annotation was computed. [2018-11-22 22:02:55,971 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 802 826) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or .cse3 .cse0 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) (or (< 1 ~waterLevel~0) .cse4 .cse1 .cse0 .cse3) (or (< 0 ~waterLevel~0) .cse1 .cse0 .cse2 .cse3))) [2018-11-22 22:02:55,971 INFO L444 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 0)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2)))) (or (< 1 ~waterLevel~0) .cse2 .cse3 .cse1 .cse0) (or .cse3 .cse4 .cse0 (not (= ~waterLevel~0 1))) (or (< 0 ~waterLevel~0) .cse3 .cse4 .cse0))) [2018-11-22 22:02:55,971 INFO L448 ceAbstractionStarter]: For program point L821-1(lines 802 826) no Hoare annotation was computed. [2018-11-22 22:02:55,971 INFO L444 ceAbstractionStarter]: At program point L816(line 816) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or .cse4 .cse1 .cse3 (not (= ~waterLevel~0 2))) (or (< 1 ~waterLevel~0) .cse4 .cse1 .cse3) (or (< 0 ~waterLevel~0) .cse1 .cse0 .cse2 .cse3))) [2018-11-22 22:02:55,972 INFO L444 ceAbstractionStarter]: At program point L812(line 812) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or .cse4 .cse1 .cse3 (not (= ~waterLevel~0 2))) (or (< 1 ~waterLevel~0) .cse4 .cse1 .cse3) (or (< 0 ~waterLevel~0) .cse1 .cse0 .cse2 .cse3))) [2018-11-22 22:02:55,972 INFO L448 ceAbstractionStarter]: For program point L810(lines 810 818) no Hoare annotation was computed. [2018-11-22 22:02:55,972 INFO L444 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or .cse4 .cse1 .cse3 (not (= ~waterLevel~0 2))) (or (< 1 ~waterLevel~0) .cse4 .cse1 .cse3) (or (< 0 ~waterLevel~0) .cse1 .cse0 .cse2 .cse3))) [2018-11-22 22:02:55,972 INFO L448 ceAbstractionStarter]: For program point L808-1(line 808) no Hoare annotation was computed. [2018-11-22 22:02:55,972 INFO L448 ceAbstractionStarter]: For program point L806(lines 806 823) no Hoare annotation was computed. [2018-11-22 22:02:55,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:02:55 BoogieIcfgContainer [2018-11-22 22:02:55,982 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 22:02:55,982 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:02:55,982 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:02:55,982 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:02:55,983 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:02:36" (3/4) ... [2018-11-22 22:02:55,985 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 22:02:55,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-22 22:02:55,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-22 22:02:55,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-22 22:02:55,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-22 22:02:55,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-22 22:02:55,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 22:02:55,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-22 22:02:55,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-22 22:02:55,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-22 22:02:55,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-22 22:02:55,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-22 22:02:55,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-22 22:02:55,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-22 22:02:55,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-22 22:02:55,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-22 22:02:55,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-22 22:02:55,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-22 22:02:55,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-22 22:02:55,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 22:02:55,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-22 22:02:55,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-22 22:02:55,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-22 22:02:55,992 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-22 22:02:55,992 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-22 22:02:55,992 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-22 22:02:55,992 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-22 22:02:55,992 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-22 22:02:55,992 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-22 22:02:55,992 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-22 22:02:55,992 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-22 22:02:55,992 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-22 22:02:55,992 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-22 22:02:55,998 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-22 22:02:55,999 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-22 22:02:55,999 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-22 22:02:56,000 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-22 22:02:56,000 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 22:02:56,000 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 22:02:56,001 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 22:02:56,026 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == pumpRunning && 1 == waterLevel) && systemActive == 1) && splverifierCounter == 0) || ((((1 <= switchedOnBeforeTS && 0 == pumpRunning) && !(systemActive == 0)) && waterLevel <= 1) && splverifierCounter == 0)) || ((((!(systemActive == 0) && waterLevel <= 1) && pumpRunning == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((!(systemActive == 0) && waterLevel == 2) && pumpRunning == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((0 == pumpRunning && waterLevel == 2) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-11-22 22:02:56,026 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-22 22:02:56,061 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_76b52677-5f52-4113-b727-7a667897b854/bin-2019/utaipan/witness.graphml [2018-11-22 22:02:56,061 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:02:56,062 INFO L168 Benchmark]: Toolchain (without parser) took 20633.40 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 956.4 MB in the beginning and 956.1 MB in the end (delta: 306.0 kB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-22 22:02:56,062 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:02:56,062 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.5 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -218.9 MB). Peak memory consumption was 41.6 MB. Max. memory is 11.5 GB. [2018-11-22 22:02:56,063 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-22 22:02:56,063 INFO L168 Benchmark]: Boogie Preprocessor took 27.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:02:56,063 INFO L168 Benchmark]: RCFGBuilder took 494.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 55.0 MB). Peak memory consumption was 55.0 MB. Max. memory is 11.5 GB. [2018-11-22 22:02:56,063 INFO L168 Benchmark]: TraceAbstraction took 19654.36 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 886.0 MB). Free memory was 1.1 GB in the beginning and 979.0 MB in the end (delta: 138.2 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-22 22:02:56,063 INFO L168 Benchmark]: Witness Printer took 79.29 ms. Allocated memory is still 2.1 GB. Free memory was 979.0 MB in the beginning and 956.1 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2018-11-22 22:02:56,065 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 355.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.5 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -218.9 MB). Peak memory consumption was 41.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 494.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 55.0 MB). Peak memory consumption was 55.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19654.36 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 886.0 MB). Free memory was 1.1 GB in the beginning and 979.0 MB in the end (delta: 138.2 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 79.29 ms. Allocated memory is still 2.1 GB. Free memory was 979.0 MB in the beginning and 956.1 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 551]: 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: ((((((((((0 == pumpRunning && 1 == waterLevel) && systemActive == 1) && splverifierCounter == 0) || ((((1 <= switchedOnBeforeTS && 0 == pumpRunning) && !(systemActive == 0)) && waterLevel <= 1) && splverifierCounter == 0)) || ((((!(systemActive == 0) && waterLevel <= 1) && pumpRunning == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((!(systemActive == 0) && waterLevel == 2) && pumpRunning == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((0 == pumpRunning && waterLevel == 2) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 33 procedures, 175 locations, 1 error locations. SAFE Result, 19.6s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 5.7s AutomataDifference, 0.0s DeadEndRemovalTime, 7.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2415 SDtfs, 2755 SDslu, 7592 SDs, 0 SdLazy, 7288 SolverSat, 1394 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1123 GetRequests, 969 SyntacticMatches, 19 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 876 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2265occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.5s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 588 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 5143 PreInvPairs, 6219 NumberOfFragments, 3313 HoareAnnotationTreeSize, 5143 FomulaSimplifications, 34891 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 72 FomulaSimplificationsInter, 71506 FormulaSimplificationTreeSizeReductionInter, 5.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1628 NumberOfCodeBlocks, 1628 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2089 ConstructedInterpolants, 0 QuantifiedInterpolants, 673839 SizeOfPredicates, 10 NumberOfNonLiveVariables, 2192 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 14 InterpolantComputations, 8 PerfectInterpolantSequences, 865/987 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...