./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product19_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_13918ad9-9309-4e33-a461-b84938f2fda7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_13918ad9-9309-4e33-a461-b84938f2fda7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_13918ad9-9309-4e33-a461-b84938f2fda7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_13918ad9-9309-4e33-a461-b84938f2fda7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product19_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_13918ad9-9309-4e33-a461-b84938f2fda7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_13918ad9-9309-4e33-a461-b84938f2fda7/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 827eeb7ed0fbeaca90933bfcb4457632a3c9b0ed ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:33:07,532 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:33:07,533 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:33:07,540 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:33:07,541 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:33:07,541 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:33:07,542 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:33:07,543 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:33:07,544 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:33:07,545 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:33:07,545 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:33:07,546 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:33:07,546 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:33:07,547 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:33:07,548 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:33:07,548 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:33:07,549 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:33:07,550 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:33:07,551 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:33:07,552 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:33:07,553 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:33:07,554 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:33:07,555 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:33:07,556 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:33:07,556 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:33:07,557 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:33:07,557 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:33:07,558 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:33:07,558 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:33:07,559 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:33:07,559 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:33:07,560 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:33:07,560 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:33:07,560 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:33:07,561 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:33:07,561 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:33:07,561 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_13918ad9-9309-4e33-a461-b84938f2fda7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 07:33:07,571 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:33:07,571 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:33:07,572 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:33:07,572 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 07:33:07,572 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 07:33:07,572 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 07:33:07,572 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 07:33:07,573 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 07:33:07,573 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 07:33:07,573 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 07:33:07,573 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 07:33:07,574 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:33:07,574 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:33:07,574 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:33:07,574 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:33:07,574 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:33:07,574 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:33:07,574 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:33:07,575 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:33:07,575 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:33:07,575 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:33:07,575 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:33:07,575 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:33:07,575 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 07:33:07,576 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:33:07,576 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 07:33:07,576 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:33:07,576 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:33:07,576 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:33:07,576 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:33:07,576 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 07:33:07,576 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:33:07,577 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:33:07,577 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 07:33:07,577 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_13918ad9-9309-4e33-a461-b84938f2fda7/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 -> 827eeb7ed0fbeaca90933bfcb4457632a3c9b0ed [2018-11-10 07:33:07,600 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:33:07,606 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:33:07,608 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:33:07,609 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:33:07,609 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:33:07,610 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_13918ad9-9309-4e33-a461-b84938f2fda7/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product19_true-unreach-call_false-termination.cil.c [2018-11-10 07:33:07,644 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_13918ad9-9309-4e33-a461-b84938f2fda7/bin-2019/utaipan/data/2834ce52b/53f687b2eb5c4cbb8c11ba3239028eb9/FLAGa4ef6ca28 [2018-11-10 07:33:07,977 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:33:07,978 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_13918ad9-9309-4e33-a461-b84938f2fda7/sv-benchmarks/c/product-lines/minepump_spec2_product19_true-unreach-call_false-termination.cil.c [2018-11-10 07:33:07,988 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_13918ad9-9309-4e33-a461-b84938f2fda7/bin-2019/utaipan/data/2834ce52b/53f687b2eb5c4cbb8c11ba3239028eb9/FLAGa4ef6ca28 [2018-11-10 07:33:08,000 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_13918ad9-9309-4e33-a461-b84938f2fda7/bin-2019/utaipan/data/2834ce52b/53f687b2eb5c4cbb8c11ba3239028eb9 [2018-11-10 07:33:08,002 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:33:08,003 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:33:08,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:33:08,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:33:08,006 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:33:08,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:33:08" (1/1) ... [2018-11-10 07:33:08,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70607c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:08, skipping insertion in model container [2018-11-10 07:33:08,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:33:08" (1/1) ... [2018-11-10 07:33:08,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:33:08,044 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:33:08,227 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:33:08,236 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:33:08,287 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:33:08,305 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:33:08,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:08 WrapperNode [2018-11-10 07:33:08,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:33:08,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:33:08,306 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:33:08,306 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:33:08,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:08" (1/1) ... [2018-11-10 07:33:08,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:08" (1/1) ... [2018-11-10 07:33:08,393 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:33:08,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:33:08,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:33:08,394 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:33:08,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:08" (1/1) ... [2018-11-10 07:33:08,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:08" (1/1) ... [2018-11-10 07:33:08,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:08" (1/1) ... [2018-11-10 07:33:08,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:08" (1/1) ... [2018-11-10 07:33:08,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:08" (1/1) ... [2018-11-10 07:33:08,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:08" (1/1) ... [2018-11-10 07:33:08,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:08" (1/1) ... [2018-11-10 07:33:08,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:33:08,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:33:08,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:33:08,428 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:33:08,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_13918ad9-9309-4e33-a461-b84938f2fda7/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:33:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 07:33:08,481 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 07:33:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 07:33:08,482 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 07:33:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-10 07:33:08,482 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-10 07:33:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-10 07:33:08,482 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-10 07:33:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 07:33:08,482 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 07:33:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 07:33:08,482 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 07:33:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 07:33:08,483 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 07:33:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 07:33:08,483 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 07:33:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-10 07:33:08,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-10 07:33:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-10 07:33:08,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-10 07:33:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-10 07:33:08,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-10 07:33:08,484 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 07:33:08,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 07:33:08,484 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 07:33:08,484 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 07:33:08,484 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 07:33:08,484 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 07:33:08,484 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 07:33:08,484 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 07:33:08,484 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 07:33:08,485 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 07:33:08,485 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 07:33:08,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 07:33:08,485 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 07:33:08,485 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 07:33:08,485 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 07:33:08,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 07:33:08,485 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 07:33:08,485 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 07:33:08,486 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 07:33:08,486 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 07:33:08,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 07:33:08,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 07:33:08,486 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 07:33:08,486 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 07:33:08,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:33:08,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:33:08,486 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 07:33:08,487 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 07:33:09,086 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:33:09,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:33:09 BoogieIcfgContainer [2018-11-10 07:33:09,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:33:09,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 07:33:09,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 07:33:09,089 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 07:33:09,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:33:08" (1/3) ... [2018-11-10 07:33:09,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7553427b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:33:09, skipping insertion in model container [2018-11-10 07:33:09,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:08" (2/3) ... [2018-11-10 07:33:09,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7553427b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:33:09, skipping insertion in model container [2018-11-10 07:33:09,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:33:09" (3/3) ... [2018-11-10 07:33:09,092 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product19_true-unreach-call_false-termination.cil.c [2018-11-10 07:33:09,097 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 07:33:09,103 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 07:33:09,113 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 07:33:09,136 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 07:33:09,136 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 07:33:09,136 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 07:33:09,136 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 07:33:09,136 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 07:33:09,136 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 07:33:09,136 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 07:33:09,137 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 07:33:09,152 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states. [2018-11-10 07:33:09,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 07:33:09,158 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:33:09,159 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:33:09,161 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:33:09,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:33:09,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1238185757, now seen corresponding path program 1 times [2018-11-10 07:33:09,168 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:33:09,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:33:09,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:33:09,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:33:09,198 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:33:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:33:09,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:33:09,363 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:33:09,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 07:33:09,363 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:33:09,371 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 07:33:09,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 07:33:09,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 07:33:09,381 INFO L87 Difference]: Start difference. First operand 130 states. Second operand 2 states. [2018-11-10 07:33:09,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:33:09,408 INFO L93 Difference]: Finished difference Result 230 states and 287 transitions. [2018-11-10 07:33:09,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 07:33:09,410 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-10 07:33:09,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:33:09,418 INFO L225 Difference]: With dead ends: 230 [2018-11-10 07:33:09,418 INFO L226 Difference]: Without dead ends: 117 [2018-11-10 07:33:09,421 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 07:33:09,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-11-10 07:33:09,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-11-10 07:33:09,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-11-10 07:33:09,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 137 transitions. [2018-11-10 07:33:09,457 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 137 transitions. Word has length 51 [2018-11-10 07:33:09,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:33:09,457 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 137 transitions. [2018-11-10 07:33:09,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 07:33:09,457 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 137 transitions. [2018-11-10 07:33:09,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 07:33:09,460 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:33:09,460 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:33:09,460 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:33:09,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:33:09,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1341453942, now seen corresponding path program 1 times [2018-11-10 07:33:09,461 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:33:09,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:33:09,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:33:09,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:33:09,462 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:33:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:33:09,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:33:09,548 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:33:09,548 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 07:33:09,548 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:33:09,550 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 07:33:09,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 07:33:09,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 07:33:09,550 INFO L87 Difference]: Start difference. First operand 117 states and 137 transitions. Second operand 3 states. [2018-11-10 07:33:09,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:33:09,566 INFO L93 Difference]: Finished difference Result 171 states and 199 transitions. [2018-11-10 07:33:09,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 07:33:09,568 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-10 07:33:09,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:33:09,570 INFO L225 Difference]: With dead ends: 171 [2018-11-10 07:33:09,570 INFO L226 Difference]: Without dead ends: 107 [2018-11-10 07:33:09,571 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 07:33:09,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-11-10 07:33:09,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-11-10 07:33:09,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-11-10 07:33:09,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 124 transitions. [2018-11-10 07:33:09,581 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 124 transitions. Word has length 53 [2018-11-10 07:33:09,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:33:09,581 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 124 transitions. [2018-11-10 07:33:09,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 07:33:09,582 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 124 transitions. [2018-11-10 07:33:09,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-10 07:33:09,583 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:33:09,583 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:33:09,583 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:33:09,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:33:09,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1324350577, now seen corresponding path program 1 times [2018-11-10 07:33:09,584 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:33:09,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:33:09,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:33:09,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:33:09,585 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:33:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:33:09,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:33:09,688 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:33:09,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 07:33:09,689 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:33:09,689 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 07:33:09,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 07:33:09,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 07:33:09,690 INFO L87 Difference]: Start difference. First operand 107 states and 124 transitions. Second operand 7 states. [2018-11-10 07:33:10,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:33:10,013 INFO L93 Difference]: Finished difference Result 317 states and 385 transitions. [2018-11-10 07:33:10,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 07:33:10,013 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-10 07:33:10,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:33:10,016 INFO L225 Difference]: With dead ends: 317 [2018-11-10 07:33:10,016 INFO L226 Difference]: Without dead ends: 238 [2018-11-10 07:33:10,017 INFO L605 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 [2018-11-10 07:33:10,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-11-10 07:33:10,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 230. [2018-11-10 07:33:10,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2018-11-10 07:33:10,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 279 transitions. [2018-11-10 07:33:10,043 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 279 transitions. Word has length 57 [2018-11-10 07:33:10,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:33:10,043 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 279 transitions. [2018-11-10 07:33:10,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 07:33:10,043 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 279 transitions. [2018-11-10 07:33:10,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 07:33:10,045 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:33:10,045 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:33:10,046 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:33:10,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:33:10,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1364551256, now seen corresponding path program 1 times [2018-11-10 07:33:10,046 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:33:10,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:33:10,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:33:10,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:33:10,047 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:33:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:33:10,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:33:10,140 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:33:10,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 07:33:10,140 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:33:10,141 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 07:33:10,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 07:33:10,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 07:33:10,141 INFO L87 Difference]: Start difference. First operand 230 states and 279 transitions. Second operand 6 states. [2018-11-10 07:33:10,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:33:10,281 INFO L93 Difference]: Finished difference Result 616 states and 771 transitions. [2018-11-10 07:33:10,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 07:33:10,281 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-11-10 07:33:10,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:33:10,284 INFO L225 Difference]: With dead ends: 616 [2018-11-10 07:33:10,284 INFO L226 Difference]: Without dead ends: 414 [2018-11-10 07:33:10,285 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 07:33:10,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2018-11-10 07:33:10,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 408. [2018-11-10 07:33:10,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2018-11-10 07:33:10,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 498 transitions. [2018-11-10 07:33:10,321 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 498 transitions. Word has length 63 [2018-11-10 07:33:10,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:33:10,321 INFO L481 AbstractCegarLoop]: Abstraction has 408 states and 498 transitions. [2018-11-10 07:33:10,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 07:33:10,321 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 498 transitions. [2018-11-10 07:33:10,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-10 07:33:10,340 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:33:10,340 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:33:10,340 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:33:10,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:33:10,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1983978044, now seen corresponding path program 1 times [2018-11-10 07:33:10,342 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:33:10,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:33:10,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:33:10,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:33:10,343 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:33:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:33:10,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:33:10,432 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:33:10,432 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 07:33:10,432 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:33:10,433 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 07:33:10,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 07:33:10,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 07:33:10,433 INFO L87 Difference]: Start difference. First operand 408 states and 498 transitions. Second operand 7 states. [2018-11-10 07:33:10,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:33:10,659 INFO L93 Difference]: Finished difference Result 680 states and 857 transitions. [2018-11-10 07:33:10,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 07:33:10,660 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 67 [2018-11-10 07:33:10,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:33:10,660 INFO L225 Difference]: With dead ends: 680 [2018-11-10 07:33:10,660 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 07:33:10,663 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-10 07:33:10,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 07:33:10,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 07:33:10,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 07:33:10,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 07:33:10,664 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2018-11-10 07:33:10,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:33:10,664 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 07:33:10,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 07:33:10,664 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 07:33:10,664 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 07:33:10,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 07:33:11,234 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 910 916) the Hoare annotation is: true [2018-11-10 07:33:11,234 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 910 916) no Hoare annotation was computed. [2018-11-10 07:33:11,234 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 917 925) no Hoare annotation was computed. [2018-11-10 07:33:11,234 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 917 925) the Hoare annotation is: true [2018-11-10 07:33:11,234 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 917 925) no Hoare annotation was computed. [2018-11-10 07:33:11,234 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 591 613) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 07:33:11,235 INFO L421 ceAbstractionStarter]: At program point L603(line 603) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-10 07:33:11,235 INFO L421 ceAbstractionStarter]: At program point L603-1(line 603) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-10 07:33:11,235 INFO L425 ceAbstractionStarter]: For program point L601(lines 601 608) no Hoare annotation was computed. [2018-11-10 07:33:11,235 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 591 613) no Hoare annotation was computed. [2018-11-10 07:33:11,235 INFO L425 ceAbstractionStarter]: For program point L601-1(lines 601 608) no Hoare annotation was computed. [2018-11-10 07:33:11,235 INFO L425 ceAbstractionStarter]: For program point L599(line 599) no Hoare annotation was computed. [2018-11-10 07:33:11,235 INFO L421 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 07:33:11,235 INFO L421 ceAbstractionStarter]: At program point L597(line 597) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 07:33:11,235 INFO L421 ceAbstractionStarter]: At program point L597-1(line 597) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 07:33:11,235 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 591 613) no Hoare annotation was computed. [2018-11-10 07:33:11,236 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 809 823) no Hoare annotation was computed. [2018-11-10 07:33:11,236 INFO L421 ceAbstractionStarter]: At program point L815(line 815) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-10 07:33:11,236 INFO L425 ceAbstractionStarter]: For program point L813(lines 813 819) no Hoare annotation was computed. [2018-11-10 07:33:11,236 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 809 823) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-10 07:33:11,236 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 809 823) no Hoare annotation was computed. [2018-11-10 07:33:11,236 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 745 753) no Hoare annotation was computed. [2018-11-10 07:33:11,236 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 745 753) the Hoare annotation is: true [2018-11-10 07:33:11,236 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 745 753) no Hoare annotation was computed. [2018-11-10 07:33:11,236 INFO L425 ceAbstractionStarter]: For program point L799(lines 799 803) no Hoare annotation was computed. [2018-11-10 07:33:11,236 INFO L428 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: true [2018-11-10 07:33:11,236 INFO L425 ceAbstractionStarter]: For program point L799-2(lines 799 803) no Hoare annotation was computed. [2018-11-10 07:33:11,237 INFO L425 ceAbstractionStarter]: For program point L797-1(line 797) no Hoare annotation was computed. [2018-11-10 07:33:11,237 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 790 808) the Hoare annotation is: true [2018-11-10 07:33:11,237 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 790 808) no Hoare annotation was computed. [2018-11-10 07:33:11,237 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 790 808) no Hoare annotation was computed. [2018-11-10 07:33:11,237 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 903 909) no Hoare annotation was computed. [2018-11-10 07:33:11,237 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 903 909) the Hoare annotation is: true [2018-11-10 07:33:11,237 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 577 587) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 07:33:11,237 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 577 587) no Hoare annotation was computed. [2018-11-10 07:33:11,237 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 577 587) no Hoare annotation was computed. [2018-11-10 07:33:11,238 INFO L421 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 07:33:11,238 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 726 733) the Hoare annotation is: true [2018-11-10 07:33:11,238 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 726 733) no Hoare annotation was computed. [2018-11-10 07:33:11,238 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 726 733) no Hoare annotation was computed. [2018-11-10 07:33:11,238 INFO L421 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-10 07:33:11,238 INFO L425 ceAbstractionStarter]: For program point L701(lines 701 709) no Hoare annotation was computed. [2018-11-10 07:33:11,238 INFO L421 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-10 07:33:11,238 INFO L425 ceAbstractionStarter]: For program point L699-1(line 699) no Hoare annotation was computed. [2018-11-10 07:33:11,238 INFO L425 ceAbstractionStarter]: For program point L697(lines 697 714) no Hoare annotation was computed. [2018-11-10 07:33:11,238 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 693 717) no Hoare annotation was computed. [2018-11-10 07:33:11,238 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 693 717) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-10 07:33:11,238 INFO L421 ceAbstractionStarter]: At program point L712(line 712) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-10 07:33:11,239 INFO L425 ceAbstractionStarter]: For program point L712-1(lines 693 717) no Hoare annotation was computed. [2018-11-10 07:33:11,239 INFO L421 ceAbstractionStarter]: At program point L707(line 707) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-10 07:33:11,239 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 685 691) no Hoare annotation was computed. [2018-11-10 07:33:11,239 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 685 691) the Hoare annotation is: true [2018-11-10 07:33:11,239 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 878) no Hoare annotation was computed. [2018-11-10 07:33:11,239 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 825 890) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 07:33:11,239 INFO L421 ceAbstractionStarter]: At program point L857(line 857) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 07:33:11,239 INFO L425 ceAbstractionStarter]: For program point L855(lines 855 861) no Hoare annotation was computed. [2018-11-10 07:33:11,239 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 825 890) no Hoare annotation was computed. [2018-11-10 07:33:11,239 INFO L425 ceAbstractionStarter]: For program point L855-1(lines 855 861) no Hoare annotation was computed. [2018-11-10 07:33:11,240 INFO L421 ceAbstractionStarter]: At program point L880(lines 835 882) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 07:33:11,240 INFO L421 ceAbstractionStarter]: At program point L847(line 847) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 07:33:11,240 INFO L425 ceAbstractionStarter]: For program point L845(lines 845 851) no Hoare annotation was computed. [2018-11-10 07:33:11,240 INFO L425 ceAbstractionStarter]: For program point L845-1(lines 845 851) no Hoare annotation was computed. [2018-11-10 07:33:11,240 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 841) no Hoare annotation was computed. [2018-11-10 07:33:11,240 INFO L425 ceAbstractionStarter]: For program point L835-1(lines 835 882) no Hoare annotation was computed. [2018-11-10 07:33:11,240 INFO L421 ceAbstractionStarter]: At program point L883(lines 834 884) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 07:33:11,240 INFO L421 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 07:33:11,240 INFO L425 ceAbstractionStarter]: For program point L871(lines 871 877) no Hoare annotation was computed. [2018-11-10 07:33:11,240 INFO L421 ceAbstractionStarter]: At program point L871-1(lines 865 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 07:33:11,240 INFO L425 ceAbstractionStarter]: For program point L836(lines 835 882) no Hoare annotation was computed. [2018-11-10 07:33:11,241 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 825 890) no Hoare annotation was computed. [2018-11-10 07:33:11,241 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 501 509) no Hoare annotation was computed. [2018-11-10 07:33:11,241 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 501 509) the Hoare annotation is: true [2018-11-10 07:33:11,241 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 501 509) no Hoare annotation was computed. [2018-11-10 07:33:11,241 INFO L421 ceAbstractionStarter]: At program point L640(line 640) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-10 07:33:11,241 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 644) no Hoare annotation was computed. [2018-11-10 07:33:11,241 INFO L425 ceAbstractionStarter]: For program point L637(lines 637 647) no Hoare annotation was computed. [2018-11-10 07:33:11,241 INFO L421 ceAbstractionStarter]: At program point L635(line 635) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-10 07:33:11,241 INFO L425 ceAbstractionStarter]: For program point L635-1(line 635) no Hoare annotation was computed. [2018-11-10 07:33:11,241 INFO L425 ceAbstractionStarter]: For program point L633(lines 633 650) no Hoare annotation was computed. [2018-11-10 07:33:11,241 INFO L425 ceAbstractionStarter]: For program point L633-1(lines 625 653) no Hoare annotation was computed. [2018-11-10 07:33:11,241 INFO L428 ceAbstractionStarter]: At program point L631(line 631) the Hoare annotation is: true [2018-11-10 07:33:11,242 INFO L425 ceAbstractionStarter]: For program point L631-1(line 631) no Hoare annotation was computed. [2018-11-10 07:33:11,242 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 625 653) the Hoare annotation is: true [2018-11-10 07:33:11,242 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 625 653) no Hoare annotation was computed. [2018-11-10 07:33:11,242 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 617 624) the Hoare annotation is: true [2018-11-10 07:33:11,242 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 617 624) no Hoare annotation was computed. [2018-11-10 07:33:11,242 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 617 624) no Hoare annotation was computed. [2018-11-10 07:33:11,242 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 07:33:11,242 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-10 07:33:11,242 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 07:33:11,242 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 448 459) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-11-10 07:33:11,242 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 448 459) no Hoare annotation was computed. [2018-11-10 07:33:11,242 INFO L425 ceAbstractionStarter]: For program point L452-1(lines 448 459) no Hoare annotation was computed. [2018-11-10 07:33:11,242 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 460 468) the Hoare annotation is: true [2018-11-10 07:33:11,243 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 460 468) no Hoare annotation was computed. [2018-11-10 07:33:11,243 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 460 468) no Hoare annotation was computed. [2018-11-10 07:33:11,243 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 513 542) no Hoare annotation was computed. [2018-11-10 07:33:11,243 INFO L425 ceAbstractionStarter]: For program point L527(lines 527 531) no Hoare annotation was computed. [2018-11-10 07:33:11,243 INFO L428 ceAbstractionStarter]: At program point L527-1(lines 527 531) the Hoare annotation is: true [2018-11-10 07:33:11,243 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 523 537) no Hoare annotation was computed. [2018-11-10 07:33:11,243 INFO L428 ceAbstractionStarter]: At program point L523-3(lines 523 537) the Hoare annotation is: true [2018-11-10 07:33:11,243 INFO L428 ceAbstractionStarter]: At program point L519(line 519) the Hoare annotation is: true [2018-11-10 07:33:11,243 INFO L425 ceAbstractionStarter]: For program point L519-1(line 519) no Hoare annotation was computed. [2018-11-10 07:33:11,243 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 513 542) the Hoare annotation is: true [2018-11-10 07:33:11,243 INFO L428 ceAbstractionStarter]: At program point L538(lines 513 542) the Hoare annotation is: true [2018-11-10 07:33:11,243 INFO L425 ceAbstractionStarter]: For program point L534(line 534) no Hoare annotation was computed. [2018-11-10 07:33:11,243 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-10 07:33:11,243 INFO L421 ceAbstractionStarter]: At program point L672(lines 672 678) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-10 07:33:11,244 INFO L421 ceAbstractionStarter]: At program point L667(line 667) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-10 07:33:11,244 INFO L425 ceAbstractionStarter]: For program point L665(lines 664 683) no Hoare annotation was computed. [2018-11-10 07:33:11,244 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 661 684) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-10 07:33:11,244 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 661 684) no Hoare annotation was computed. [2018-11-10 07:33:11,244 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 661 684) no Hoare annotation was computed. [2018-11-10 07:33:11,244 INFO L421 ceAbstractionStarter]: At program point L674(line 674) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-10 07:33:11,244 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 424 435) the Hoare annotation is: true [2018-11-10 07:33:11,244 INFO L425 ceAbstractionStarter]: For program point L428-1(lines 424 435) no Hoare annotation was computed. [2018-11-10 07:33:11,244 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 424 435) no Hoare annotation was computed. [2018-11-10 07:33:11,244 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 07:33:11,244 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-10 07:33:11,244 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 07:33:11,245 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 07:33:11,245 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 568 574) no Hoare annotation was computed. [2018-11-10 07:33:11,245 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 568 574) the Hoare annotation is: true [2018-11-10 07:33:11,245 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 436 447) no Hoare annotation was computed. [2018-11-10 07:33:11,245 INFO L425 ceAbstractionStarter]: For program point L440-1(lines 436 447) no Hoare annotation was computed. [2018-11-10 07:33:11,245 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 436 447) the Hoare annotation is: true [2018-11-10 07:33:11,245 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-10 07:33:11,245 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-10 07:33:11,245 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-10 07:33:11,245 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-10 07:33:11,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 07:33:11 BoogieIcfgContainer [2018-11-10 07:33:11,255 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 07:33:11,256 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:33:11,256 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:33:11,256 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:33:11,256 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:33:09" (3/4) ... [2018-11-10 07:33:11,260 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 07:33:11,266 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 07:33:11,266 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 07:33:11,266 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 07:33:11,266 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-10 07:33:11,266 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 07:33:11,266 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-10 07:33:11,266 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 07:33:11,266 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 07:33:11,266 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 07:33:11,266 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 07:33:11,267 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 07:33:11,267 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 07:33:11,267 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-10 07:33:11,267 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-10 07:33:11,267 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-10 07:33:11,267 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 07:33:11,267 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 07:33:11,267 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 07:33:11,267 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 07:33:11,267 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 07:33:11,267 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 07:33:11,268 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 07:33:11,268 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 07:33:11,268 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 07:33:11,276 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 139 nodes and edges [2018-11-10 07:33:11,277 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 07:33:11,277 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 07:33:11,298 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 07:33:11,298 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 07:33:11,336 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_13918ad9-9309-4e33-a461-b84938f2fda7/bin-2019/utaipan/witness.graphml [2018-11-10 07:33:11,337 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:33:11,337 INFO L168 Benchmark]: Toolchain (without parser) took 3334.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 959.1 MB in the beginning and 921.9 MB in the end (delta: 37.2 MB). Peak memory consumption was 196.6 MB. Max. memory is 11.5 GB. [2018-11-10 07:33:11,338 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-11-10 07:33:11,338 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.45 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 929.6 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:33:11,339 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 929.6 MB in the beginning and 1.2 GB in the end (delta: -226.4 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-11-10 07:33:11,339 INFO L168 Benchmark]: Boogie Preprocessor took 34.60 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 07:33:11,339 INFO L168 Benchmark]: RCFGBuilder took 658.02 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: 87.9 MB). Peak memory consumption was 87.9 MB. Max. memory is 11.5 GB. [2018-11-10 07:33:11,339 INFO L168 Benchmark]: TraceAbstraction took 2168.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 932.4 MB in the end (delta: 130.3 MB). Peak memory consumption was 130.3 MB. Max. memory is 11.5 GB. [2018-11-10 07:33:11,340 INFO L168 Benchmark]: Witness Printer took 80.89 ms. Allocated memory is still 1.2 GB. Free memory was 932.4 MB in the beginning and 921.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-11-10 07:33:11,341 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 302.45 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 929.6 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 929.6 MB in the beginning and 1.2 GB in the end (delta: -226.4 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.60 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 658.02 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: 87.9 MB). Peak memory consumption was 87.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2168.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 932.4 MB in the end (delta: 130.3 MB). Peak memory consumption was 130.3 MB. Max. memory is 11.5 GB. * Witness Printer took 80.89 ms. Allocated memory is still 1.2 GB. Free memory was 932.4 MB in the beginning and 921.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 130 locations, 1 error locations. SAFE Result, 2.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 641 SDtfs, 366 SDslu, 1240 SDs, 0 SdLazy, 406 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=408occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 438 PreInvPairs, 483 NumberOfFragments, 503 HoareAnnotationTreeSize, 438 FomulaSimplifications, 397 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 1832 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 30956 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...