./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product04_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d7eef5c1-49f4-49be-90a9-7fd9c2d77246/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d7eef5c1-49f4-49be-90a9-7fd9c2d77246/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d7eef5c1-49f4-49be-90a9-7fd9c2d77246/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d7eef5c1-49f4-49be-90a9-7fd9c2d77246/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product04_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d7eef5c1-49f4-49be-90a9-7fd9c2d77246/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d7eef5c1-49f4-49be-90a9-7fd9c2d77246/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 36c0a5fa74c1b366a9089fb42e1a6f8123b61f10 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:34:08,559 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:34:08,559 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:34:08,565 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:34:08,566 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:34:08,566 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:34:08,567 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:34:08,567 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:34:08,568 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:34:08,569 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:34:08,569 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:34:08,569 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:34:08,570 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:34:08,570 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:34:08,571 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:34:08,571 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:34:08,572 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:34:08,573 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:34:08,574 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:34:08,574 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:34:08,575 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:34:08,576 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:34:08,577 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:34:08,577 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:34:08,577 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:34:08,577 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:34:08,578 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:34:08,578 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:34:08,579 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:34:08,579 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:34:08,579 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:34:08,580 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:34:08,580 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:34:08,580 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:34:08,581 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:34:08,581 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:34:08,581 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d7eef5c1-49f4-49be-90a9-7fd9c2d77246/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:34:08,588 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:34:08,589 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:34:08,589 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:34:08,589 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:34:08,589 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:34:08,589 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:34:08,589 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:34:08,590 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:34:08,590 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:34:08,590 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:34:08,590 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:34:08,590 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:34:08,590 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:34:08,590 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:34:08,590 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:34:08,591 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:34:08,591 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:34:08,591 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:34:08,591 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:34:08,591 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:34:08,591 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:34:08,591 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:34:08,591 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:34:08,591 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:34:08,591 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:34:08,591 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:34:08,592 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:34:08,592 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:34:08,592 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:34:08,592 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:34:08,592 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:34:08,592 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:34:08,592 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:34:08,592 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:34:08,592 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:34:08,592 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:34:08,592 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_d7eef5c1-49f4-49be-90a9-7fd9c2d77246/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 -> 36c0a5fa74c1b366a9089fb42e1a6f8123b61f10 [2018-12-09 19:34:08,610 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:34:08,616 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:34:08,618 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:34:08,619 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:34:08,619 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:34:08,620 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d7eef5c1-49f4-49be-90a9-7fd9c2d77246/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product04_true-unreach-call_false-termination.cil.c [2018-12-09 19:34:08,653 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d7eef5c1-49f4-49be-90a9-7fd9c2d77246/bin-2019/utaipan/data/772a176aa/66f095f9bde244a5988369061d93922f/FLAG0cb9dd646 [2018-12-09 19:34:09,012 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:34:09,012 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d7eef5c1-49f4-49be-90a9-7fd9c2d77246/sv-benchmarks/c/product-lines/minepump_spec4_product04_true-unreach-call_false-termination.cil.c [2018-12-09 19:34:09,019 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d7eef5c1-49f4-49be-90a9-7fd9c2d77246/bin-2019/utaipan/data/772a176aa/66f095f9bde244a5988369061d93922f/FLAG0cb9dd646 [2018-12-09 19:34:09,027 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d7eef5c1-49f4-49be-90a9-7fd9c2d77246/bin-2019/utaipan/data/772a176aa/66f095f9bde244a5988369061d93922f [2018-12-09 19:34:09,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:34:09,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:34:09,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:34:09,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:34:09,032 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:34:09,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:34:09" (1/1) ... [2018-12-09 19:34:09,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:34:09, skipping insertion in model container [2018-12-09 19:34:09,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:34:09" (1/1) ... [2018-12-09 19:34:09,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:34:09,062 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:34:09,229 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:34:09,273 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:34:09,322 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:34:09,338 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:34:09,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:34:09 WrapperNode [2018-12-09 19:34:09,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:34:09,340 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:34:09,340 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:34:09,340 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:34:09,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:34:09" (1/1) ... [2018-12-09 19:34:09,361 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:34:09" (1/1) ... [2018-12-09 19:34:09,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:34:09,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:34:09,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:34:09,369 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:34:09,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:34:09" (1/1) ... [2018-12-09 19:34:09,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:34:09" (1/1) ... [2018-12-09 19:34:09,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:34:09" (1/1) ... [2018-12-09 19:34:09,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:34:09" (1/1) ... [2018-12-09 19:34:09,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:34:09" (1/1) ... [2018-12-09 19:34:09,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:34:09" (1/1) ... [2018-12-09 19:34:09,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:34:09" (1/1) ... [2018-12-09 19:34:09,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:34:09,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:34:09,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:34:09,395 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:34:09,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:34:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7eef5c1-49f4-49be-90a9-7fd9c2d77246/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:34:09,429 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 19:34:09,429 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 19:34:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-09 19:34:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-09 19:34:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:34:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:34:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 19:34:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 19:34:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:34:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 19:34:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 19:34:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 19:34:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 19:34:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 19:34:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 19:34:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 19:34:09,431 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 19:34:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 19:34:09,431 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 19:34:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 19:34:09,431 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 19:34:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 19:34:09,431 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 19:34:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 19:34:09,431 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 19:34:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 19:34:09,431 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 19:34:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 19:34:09,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 19:34:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 19:34:09,431 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 19:34:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 19:34:09,432 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 19:34:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 19:34:09,432 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 19:34:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 19:34:09,432 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 19:34:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 19:34:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:34:09,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:34:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 19:34:09,432 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 19:34:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 19:34:09,432 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 19:34:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:34:09,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:34:09,722 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:34:09,722 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 19:34:09,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:34:09 BoogieIcfgContainer [2018-12-09 19:34:09,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:34:09,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:34:09,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:34:09,725 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:34:09,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:34:09" (1/3) ... [2018-12-09 19:34:09,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179d0011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:34:09, skipping insertion in model container [2018-12-09 19:34:09,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:34:09" (2/3) ... [2018-12-09 19:34:09,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179d0011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:34:09, skipping insertion in model container [2018-12-09 19:34:09,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:34:09" (3/3) ... [2018-12-09 19:34:09,727 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product04_true-unreach-call_false-termination.cil.c [2018-12-09 19:34:09,733 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:34:09,738 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:34:09,747 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:34:09,766 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:34:09,766 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:34:09,766 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:34:09,766 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:34:09,766 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:34:09,766 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:34:09,766 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:34:09,766 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:34:09,778 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2018-12-09 19:34:09,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 19:34:09,782 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:34:09,783 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:34:09,784 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:34:09,787 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:34:09,788 INFO L82 PathProgramCache]: Analyzing trace with hash -468708374, now seen corresponding path program 1 times [2018-12-09 19:34:09,789 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:34:09,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:34:09,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:34:09,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:34:09,818 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:34:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:34:09,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:34:09,929 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:34:09,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 19:34:09,929 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:34:09,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 19:34:09,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 19:34:09,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:34:09,941 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2018-12-09 19:34:09,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:34:09,960 INFO L93 Difference]: Finished difference Result 188 states and 233 transitions. [2018-12-09 19:34:09,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 19:34:09,961 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 19:34:09,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:34:09,967 INFO L225 Difference]: With dead ends: 188 [2018-12-09 19:34:09,968 INFO L226 Difference]: Without dead ends: 94 [2018-12-09 19:34:09,970 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:34:09,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-12-09 19:34:09,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-12-09 19:34:09,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-12-09 19:34:09,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2018-12-09 19:34:09,997 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46 [2018-12-09 19:34:09,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:34:09,997 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2018-12-09 19:34:09,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 19:34:09,997 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2018-12-09 19:34:09,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 19:34:09,999 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:34:09,999 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:34:09,999 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:34:09,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:34:09,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1573149121, now seen corresponding path program 1 times [2018-12-09 19:34:10,000 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:34:10,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:34:10,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:34:10,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:34:10,001 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:34:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:34:10,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:34:10,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:34:10,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:34:10,060 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:34:10,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:34:10,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:34:10,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:34:10,061 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 3 states. [2018-12-09 19:34:10,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:34:10,071 INFO L93 Difference]: Finished difference Result 124 states and 141 transitions. [2018-12-09 19:34:10,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:34:10,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 19:34:10,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:34:10,073 INFO L225 Difference]: With dead ends: 124 [2018-12-09 19:34:10,073 INFO L226 Difference]: Without dead ends: 85 [2018-12-09 19:34:10,074 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:34:10,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-12-09 19:34:10,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-12-09 19:34:10,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-12-09 19:34:10,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2018-12-09 19:34:10,080 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 47 [2018-12-09 19:34:10,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:34:10,080 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2018-12-09 19:34:10,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:34:10,080 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2018-12-09 19:34:10,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 19:34:10,081 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:34:10,081 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:34:10,081 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:34:10,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:34:10,082 INFO L82 PathProgramCache]: Analyzing trace with hash 188873546, now seen corresponding path program 1 times [2018-12-09 19:34:10,082 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:34:10,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:34:10,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:34:10,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:34:10,083 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:34:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:34:10,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:34:10,155 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:34:10,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:34:10,155 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:34:10,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:34:10,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:34:10,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:34:10,156 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 7 states. [2018-12-09 19:34:10,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:34:10,317 INFO L93 Difference]: Finished difference Result 257 states and 308 transitions. [2018-12-09 19:34:10,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 19:34:10,317 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-09 19:34:10,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:34:10,319 INFO L225 Difference]: With dead ends: 257 [2018-12-09 19:34:10,319 INFO L226 Difference]: Without dead ends: 196 [2018-12-09 19:34:10,320 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:34:10,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-12-09 19:34:10,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 172. [2018-12-09 19:34:10,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-12-09 19:34:10,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 204 transitions. [2018-12-09 19:34:10,342 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 204 transitions. Word has length 52 [2018-12-09 19:34:10,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:34:10,342 INFO L480 AbstractCegarLoop]: Abstraction has 172 states and 204 transitions. [2018-12-09 19:34:10,343 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:34:10,343 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 204 transitions. [2018-12-09 19:34:10,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 19:34:10,344 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:34:10,344 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:34:10,345 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:34:10,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:34:10,345 INFO L82 PathProgramCache]: Analyzing trace with hash -589359412, now seen corresponding path program 1 times [2018-12-09 19:34:10,345 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:34:10,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:34:10,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:34:10,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:34:10,346 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:34:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:34:10,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:34:10,440 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:34:10,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 19:34:10,440 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:34:10,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 19:34:10,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 19:34:10,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:34:10,441 INFO L87 Difference]: Start difference. First operand 172 states and 204 transitions. Second operand 10 states. [2018-12-09 19:34:10,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:34:10,678 INFO L93 Difference]: Finished difference Result 568 states and 735 transitions. [2018-12-09 19:34:10,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 19:34:10,679 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2018-12-09 19:34:10,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:34:10,681 INFO L225 Difference]: With dead ends: 568 [2018-12-09 19:34:10,681 INFO L226 Difference]: Without dead ends: 420 [2018-12-09 19:34:10,682 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-09 19:34:10,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2018-12-09 19:34:10,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 408. [2018-12-09 19:34:10,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2018-12-09 19:34:10,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 502 transitions. [2018-12-09 19:34:10,709 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 502 transitions. Word has length 55 [2018-12-09 19:34:10,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:34:10,709 INFO L480 AbstractCegarLoop]: Abstraction has 408 states and 502 transitions. [2018-12-09 19:34:10,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 19:34:10,709 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 502 transitions. [2018-12-09 19:34:10,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 19:34:10,711 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:34:10,711 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:34:10,711 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:34:10,711 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:34:10,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1652578246, now seen corresponding path program 1 times [2018-12-09 19:34:10,712 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:34:10,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:34:10,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:34:10,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:34:10,712 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:34:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:34:10,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:34:10,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:34:10,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:34:10,750 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:34:10,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:34:10,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:34:10,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:34:10,750 INFO L87 Difference]: Start difference. First operand 408 states and 502 transitions. Second operand 3 states. [2018-12-09 19:34:10,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:34:10,778 INFO L93 Difference]: Finished difference Result 750 states and 937 transitions. [2018-12-09 19:34:10,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:34:10,779 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2018-12-09 19:34:10,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:34:10,781 INFO L225 Difference]: With dead ends: 750 [2018-12-09 19:34:10,781 INFO L226 Difference]: Without dead ends: 366 [2018-12-09 19:34:10,783 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:34:10,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-12-09 19:34:10,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2018-12-09 19:34:10,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2018-12-09 19:34:10,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 428 transitions. [2018-12-09 19:34:10,806 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 428 transitions. Word has length 59 [2018-12-09 19:34:10,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:34:10,806 INFO L480 AbstractCegarLoop]: Abstraction has 366 states and 428 transitions. [2018-12-09 19:34:10,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:34:10,806 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 428 transitions. [2018-12-09 19:34:10,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 19:34:10,809 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:34:10,809 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:34:10,809 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:34:10,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:34:10,810 INFO L82 PathProgramCache]: Analyzing trace with hash 815524913, now seen corresponding path program 1 times [2018-12-09 19:34:10,810 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:34:10,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:34:10,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:34:10,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:34:10,811 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:34:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:34:10,893 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:34:10,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:34:10,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:34:10,893 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:34:10,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:34:10,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:34:10,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:34:10,894 INFO L87 Difference]: Start difference. First operand 366 states and 428 transitions. Second operand 7 states. [2018-12-09 19:34:11,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:34:11,055 INFO L93 Difference]: Finished difference Result 372 states and 434 transitions. [2018-12-09 19:34:11,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:34:11,055 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 89 [2018-12-09 19:34:11,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:34:11,055 INFO L225 Difference]: With dead ends: 372 [2018-12-09 19:34:11,055 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 19:34:11,056 INFO L631 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 [2018-12-09 19:34:11,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 19:34:11,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 19:34:11,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 19:34:11,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 19:34:11,057 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2018-12-09 19:34:11,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:34:11,057 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 19:34:11,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:34:11,057 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 19:34:11,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:34:11,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 19:34:11,555 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 311 318) the Hoare annotation is: true [2018-12-09 19:34:11,556 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 311 318) no Hoare annotation was computed. [2018-12-09 19:34:11,556 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 311 318) no Hoare annotation was computed. [2018-12-09 19:34:11,556 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 296 302) no Hoare annotation was computed. [2018-12-09 19:34:11,556 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 296 302) the Hoare annotation is: true [2018-12-09 19:34:11,556 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2018-12-09 19:34:11,556 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2018-12-09 19:34:11,556 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2018-12-09 19:34:11,556 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2018-12-09 19:34:11,556 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2018-12-09 19:34:11,556 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 399 466) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:11,556 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 415) no Hoare annotation was computed. [2018-12-09 19:34:11,556 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 399 466) no Hoare annotation was computed. [2018-12-09 19:34:11,557 INFO L444 ceAbstractionStarter]: At program point L459(lines 408 460) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:11,557 INFO L444 ceAbstractionStarter]: At program point L449(line 449) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:11,557 INFO L448 ceAbstractionStarter]: For program point L447(lines 447 453) no Hoare annotation was computed. [2018-12-09 19:34:11,557 INFO L444 ceAbstractionStarter]: At program point L447-1(lines 439 454) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:11,557 INFO L448 ceAbstractionStarter]: For program point L410(lines 409 458) no Hoare annotation was computed. [2018-12-09 19:34:11,557 INFO L444 ceAbstractionStarter]: At program point L441(line 441) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:11,557 INFO L448 ceAbstractionStarter]: For program point L439(lines 439 454) no Hoare annotation was computed. [2018-12-09 19:34:11,557 INFO L444 ceAbstractionStarter]: At program point L431(line 431) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:11,557 INFO L448 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2018-12-09 19:34:11,557 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 429 435) no Hoare annotation was computed. [2018-12-09 19:34:11,557 INFO L444 ceAbstractionStarter]: At program point L456(lines 409 458) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:11,558 INFO L444 ceAbstractionStarter]: At program point L421(line 421) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:11,558 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 425) no Hoare annotation was computed. [2018-12-09 19:34:11,558 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 399 466) no Hoare annotation was computed. [2018-12-09 19:34:11,558 INFO L448 ceAbstractionStarter]: For program point L419-1(lines 419 425) no Hoare annotation was computed. [2018-12-09 19:34:11,558 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 843 867) the Hoare annotation is: true [2018-12-09 19:34:11,558 INFO L444 ceAbstractionStarter]: At program point L857(line 857) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-09 19:34:11,558 INFO L448 ceAbstractionStarter]: For program point L855(lines 855 861) no Hoare annotation was computed. [2018-12-09 19:34:11,558 INFO L444 ceAbstractionStarter]: At program point L853(line 853) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0)) [2018-12-09 19:34:11,558 INFO L448 ceAbstractionStarter]: For program point L853-1(line 853) no Hoare annotation was computed. [2018-12-09 19:34:11,558 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 864) no Hoare annotation was computed. [2018-12-09 19:34:11,558 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 843 867) no Hoare annotation was computed. [2018-12-09 19:34:11,558 INFO L448 ceAbstractionStarter]: For program point L851-1(lines 843 867) no Hoare annotation was computed. [2018-12-09 19:34:11,558 INFO L451 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: true [2018-12-09 19:34:11,558 INFO L448 ceAbstractionStarter]: For program point L849-1(line 849) no Hoare annotation was computed. [2018-12-09 19:34:11,558 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-12-09 19:34:11,558 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-12-09 19:34:11,559 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:11,559 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:11,559 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:11,559 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:11,559 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-12-09 19:34:11,559 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-12-09 19:34:11,559 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:11,559 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:11,559 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-12-09 19:34:11,559 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 375 389) no Hoare annotation was computed. [2018-12-09 19:34:11,559 INFO L444 ceAbstractionStarter]: At program point L381(line 381) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-09 19:34:11,559 INFO L448 ceAbstractionStarter]: For program point L379(lines 379 385) no Hoare annotation was computed. [2018-12-09 19:34:11,559 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 375 389) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-12-09 19:34:11,559 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 375 389) no Hoare annotation was computed. [2018-12-09 19:34:11,559 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 330 338) no Hoare annotation was computed. [2018-12-09 19:34:11,560 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 330 338) the Hoare annotation is: true [2018-12-09 19:34:11,560 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 330 338) no Hoare annotation was computed. [2018-12-09 19:34:11,560 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:34:11,560 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-12-09 19:34:11,560 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:34:11,560 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 253 261) the Hoare annotation is: true [2018-12-09 19:34:11,560 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 253 261) no Hoare annotation was computed. [2018-12-09 19:34:11,560 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 253 261) no Hoare annotation was computed. [2018-12-09 19:34:11,560 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 209 220) the Hoare annotation is: true [2018-12-09 19:34:11,560 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 209 220) no Hoare annotation was computed. [2018-12-09 19:34:11,560 INFO L448 ceAbstractionStarter]: For program point L213-1(lines 209 220) no Hoare annotation was computed. [2018-12-09 19:34:11,560 INFO L444 ceAbstractionStarter]: At program point L285(line 285) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) (not (= ~waterLevel~0 0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or .cse0 (not (= ~systemActive~0 0))))) [2018-12-09 19:34:11,560 INFO L444 ceAbstractionStarter]: At program point L283(lines 283 289) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or (not (= ~waterLevel~0 0)) .cse0 (= |old(~waterLevel~0)| 0)))) [2018-12-09 19:34:11,560 INFO L444 ceAbstractionStarter]: At program point L278(line 278) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-09 19:34:11,560 INFO L448 ceAbstractionStarter]: For program point L276(lines 275 294) no Hoare annotation was computed. [2018-12-09 19:34:11,560 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 272 295) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or (not (= ~waterLevel~0 0)) .cse0 (= |old(~waterLevel~0)| 0)))) [2018-12-09 19:34:11,560 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 272 295) no Hoare annotation was computed. [2018-12-09 19:34:11,560 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 272 295) no Hoare annotation was computed. [2018-12-09 19:34:11,560 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-09 19:34:11,561 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-09 19:34:11,561 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-09 19:34:11,561 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-09 19:34:11,561 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-09 19:34:11,561 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-09 19:34:11,561 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-09 19:34:11,561 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-09 19:34:11,561 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-09 19:34:11,561 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-09 19:34:11,561 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 185 196) the Hoare annotation is: true [2018-12-09 19:34:11,561 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 185 196) no Hoare annotation was computed. [2018-12-09 19:34:11,561 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 185 196) no Hoare annotation was computed. [2018-12-09 19:34:11,561 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2018-12-09 19:34:11,561 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2018-12-09 19:34:11,561 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-09 19:34:11,561 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-09 19:34:11,561 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:34:11,561 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-12-09 19:34:11,561 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:34:11,561 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:34:11,561 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 390 397) no Hoare annotation was computed. [2018-12-09 19:34:11,562 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 390 397) the Hoare annotation is: true [2018-12-09 19:34:11,562 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 390 397) no Hoare annotation was computed. [2018-12-09 19:34:11,562 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 197 208) no Hoare annotation was computed. [2018-12-09 19:34:11,562 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 197 208) no Hoare annotation was computed. [2018-12-09 19:34:11,562 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 197 208) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) [2018-12-09 19:34:11,562 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 838) no Hoare annotation was computed. [2018-12-09 19:34:11,562 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 834 841) no Hoare annotation was computed. [2018-12-09 19:34:11,562 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 834 841) the Hoare annotation is: true [2018-12-09 19:34:11,562 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 834 841) no Hoare annotation was computed. [2018-12-09 19:34:11,562 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:34:11,562 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-12-09 19:34:11,562 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-12-09 19:34:11,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:34:11 BoogieIcfgContainer [2018-12-09 19:34:11,569 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:34:11,570 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:34:11,570 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:34:11,570 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:34:11,570 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:34:09" (3/4) ... [2018-12-09 19:34:11,572 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:34:11,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 19:34:11,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 19:34:11,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 19:34:11,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 19:34:11,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 19:34:11,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-12-09 19:34:11,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:34:11,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 19:34:11,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 19:34:11,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:34:11,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 19:34:11,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 19:34:11,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 19:34:11,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 19:34:11,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 19:34:11,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 19:34:11,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 19:34:11,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 19:34:11,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 19:34:11,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 19:34:11,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 19:34:11,582 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-12-09 19:34:11,582 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 19:34:11,582 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 19:34:11,582 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 19:34:11,583 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 19:34:11,583 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 19:34:11,600 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(waterLevel) == 1) [2018-12-09 19:34:11,600 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-09 19:34:11,618 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d7eef5c1-49f4-49be-90a9-7fd9c2d77246/bin-2019/utaipan/witness.graphml [2018-12-09 19:34:11,619 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:34:11,619 INFO L168 Benchmark]: Toolchain (without parser) took 2590.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 962.4 MB in the beginning and 862.4 MB in the end (delta: 100.1 MB). Peak memory consumption was 205.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:34:11,620 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:34:11,620 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -137.8 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:34:11,620 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.90 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:34:11,620 INFO L168 Benchmark]: Boogie Preprocessor took 25.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:34:11,620 INFO L168 Benchmark]: RCFGBuilder took 327.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. [2018-12-09 19:34:11,621 INFO L168 Benchmark]: TraceAbstraction took 1846.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 872.8 MB in the end (delta: 178.2 MB). Peak memory consumption was 178.2 MB. Max. memory is 11.5 GB. [2018-12-09 19:34:11,621 INFO L168 Benchmark]: Witness Printer took 48.94 ms. Allocated memory is still 1.1 GB. Free memory was 872.8 MB in the beginning and 862.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:34:11,622 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 309.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -137.8 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.90 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 327.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1846.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 872.8 MB in the end (delta: 178.2 MB). Peak memory consumption was 178.2 MB. Max. memory is 11.5 GB. * Witness Printer took 48.94 ms. Allocated memory is still 1.1 GB. Free memory was 872.8 MB in the beginning and 862.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 838]: 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: 409]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 107 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 585 SDtfs, 469 SDslu, 1152 SDs, 0 SdLazy, 539 SolverSat, 129 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s 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, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 383 PreInvPairs, 444 NumberOfFragments, 480 HoareAnnotationTreeSize, 383 FomulaSimplifications, 693 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 46 FomulaSimplificationsInter, 2127 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 348 NumberOfCodeBlocks, 348 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 342 ConstructedInterpolants, 0 QuantifiedInterpolants, 41424 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 24/24 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...