./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product18_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_6b29c0ea-7b99-4357-a59f-e6abe9e7317f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6b29c0ea-7b99-4357-a59f-e6abe9e7317f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6b29c0ea-7b99-4357-a59f-e6abe9e7317f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6b29c0ea-7b99-4357-a59f-e6abe9e7317f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product18_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6b29c0ea-7b99-4357-a59f-e6abe9e7317f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6b29c0ea-7b99-4357-a59f-e6abe9e7317f/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 e10040ad9d006089566ac73bab5ec598c71c2723 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 03:16:15,576 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 03:16:15,577 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 03:16:15,583 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 03:16:15,583 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 03:16:15,584 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 03:16:15,584 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 03:16:15,585 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 03:16:15,586 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 03:16:15,586 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 03:16:15,587 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 03:16:15,587 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 03:16:15,587 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 03:16:15,588 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 03:16:15,588 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 03:16:15,589 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 03:16:15,589 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 03:16:15,590 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 03:16:15,591 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 03:16:15,591 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 03:16:15,592 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 03:16:15,592 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 03:16:15,593 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 03:16:15,593 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 03:16:15,594 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 03:16:15,594 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 03:16:15,594 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 03:16:15,595 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 03:16:15,595 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 03:16:15,596 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 03:16:15,596 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 03:16:15,596 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 03:16:15,596 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 03:16:15,596 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 03:16:15,597 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 03:16:15,597 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 03:16:15,597 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6b29c0ea-7b99-4357-a59f-e6abe9e7317f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 03:16:15,604 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 03:16:15,604 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 03:16:15,604 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 03:16:15,604 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 03:16:15,605 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 03:16:15,605 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 03:16:15,605 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 03:16:15,605 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 03:16:15,605 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 03:16:15,605 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 03:16:15,605 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 03:16:15,605 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 03:16:15,605 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 03:16:15,606 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 03:16:15,606 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 03:16:15,606 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 03:16:15,606 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 03:16:15,606 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 03:16:15,606 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 03:16:15,606 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 03:16:15,606 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 03:16:15,606 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 03:16:15,606 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 03:16:15,607 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 03:16:15,607 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 03:16:15,607 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 03:16:15,607 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 03:16:15,607 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 03:16:15,607 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 03:16:15,607 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 03:16:15,607 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 03:16:15,607 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 03:16:15,607 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 03:16:15,607 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 03:16:15,608 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 03:16:15,608 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 03:16:15,608 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_6b29c0ea-7b99-4357-a59f-e6abe9e7317f/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 -> e10040ad9d006089566ac73bab5ec598c71c2723 [2018-12-02 03:16:15,626 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 03:16:15,634 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 03:16:15,637 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 03:16:15,638 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 03:16:15,638 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 03:16:15,639 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6b29c0ea-7b99-4357-a59f-e6abe9e7317f/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product18_true-unreach-call_false-termination.cil.c [2018-12-02 03:16:15,678 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6b29c0ea-7b99-4357-a59f-e6abe9e7317f/bin-2019/utaipan/data/ae3ba358e/dcfac5456e7544b1bc5be3bc43e2d1a3/FLAGdce774771 [2018-12-02 03:16:16,112 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 03:16:16,112 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6b29c0ea-7b99-4357-a59f-e6abe9e7317f/sv-benchmarks/c/product-lines/minepump_spec2_product18_true-unreach-call_false-termination.cil.c [2018-12-02 03:16:16,119 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6b29c0ea-7b99-4357-a59f-e6abe9e7317f/bin-2019/utaipan/data/ae3ba358e/dcfac5456e7544b1bc5be3bc43e2d1a3/FLAGdce774771 [2018-12-02 03:16:16,127 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6b29c0ea-7b99-4357-a59f-e6abe9e7317f/bin-2019/utaipan/data/ae3ba358e/dcfac5456e7544b1bc5be3bc43e2d1a3 [2018-12-02 03:16:16,129 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 03:16:16,129 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 03:16:16,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 03:16:16,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 03:16:16,132 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 03:16:16,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:16:16" (1/1) ... [2018-12-02 03:16:16,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:16, skipping insertion in model container [2018-12-02 03:16:16,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:16:16" (1/1) ... [2018-12-02 03:16:16,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 03:16:16,159 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 03:16:16,304 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:16:16,346 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 03:16:16,395 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:16:16,408 INFO L195 MainTranslator]: Completed translation [2018-12-02 03:16:16,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:16 WrapperNode [2018-12-02 03:16:16,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 03:16:16,409 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 03:16:16,409 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 03:16:16,409 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 03:16:16,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:16" (1/1) ... [2018-12-02 03:16:16,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:16" (1/1) ... [2018-12-02 03:16:16,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 03:16:16,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 03:16:16,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 03:16:16,429 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 03:16:16,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:16" (1/1) ... [2018-12-02 03:16:16,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:16" (1/1) ... [2018-12-02 03:16:16,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:16" (1/1) ... [2018-12-02 03:16:16,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:16" (1/1) ... [2018-12-02 03:16:16,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:16" (1/1) ... [2018-12-02 03:16:16,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:16" (1/1) ... [2018-12-02 03:16:16,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:16" (1/1) ... [2018-12-02 03:16:16,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 03:16:16,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 03:16:16,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 03:16:16,450 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 03:16:16,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b29c0ea-7b99-4357-a59f-e6abe9e7317f/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 03:16:16,489 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 03:16:16,489 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 03:16:16,489 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 03:16:16,490 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 03:16:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 03:16:16,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 03:16:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 03:16:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 03:16:16,490 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 03:16:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 03:16:16,490 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 03:16:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 03:16:16,490 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 03:16:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 03:16:16,490 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 03:16:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 03:16:16,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 03:16:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-02 03:16:16,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-02 03:16:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-02 03:16:16,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-02 03:16:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 03:16:16,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 03:16:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 03:16:16,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 03:16:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 03:16:16,492 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 03:16:16,492 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 03:16:16,492 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 03:16:16,492 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 03:16:16,492 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 03:16:16,492 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 03:16:16,492 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 03:16:16,492 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 03:16:16,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 03:16:16,493 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 03:16:16,493 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 03:16:16,493 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 03:16:16,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 03:16:16,493 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 03:16:16,493 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 03:16:16,493 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 03:16:16,493 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 03:16:16,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 03:16:16,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 03:16:16,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 03:16:16,494 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 03:16:16,494 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 03:16:16,494 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 03:16:16,494 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 03:16:16,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 03:16:16,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 03:16:16,790 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 03:16:16,790 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 03:16:16,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:16:16 BoogieIcfgContainer [2018-12-02 03:16:16,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 03:16:16,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 03:16:16,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 03:16:16,794 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 03:16:16,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:16:16" (1/3) ... [2018-12-02 03:16:16,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6361777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:16:16, skipping insertion in model container [2018-12-02 03:16:16,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:16" (2/3) ... [2018-12-02 03:16:16,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6361777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:16:16, skipping insertion in model container [2018-12-02 03:16:16,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:16:16" (3/3) ... [2018-12-02 03:16:16,797 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product18_true-unreach-call_false-termination.cil.c [2018-12-02 03:16:16,805 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 03:16:16,811 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 03:16:16,822 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 03:16:16,840 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 03:16:16,840 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 03:16:16,841 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 03:16:16,841 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 03:16:16,841 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 03:16:16,841 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 03:16:16,841 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 03:16:16,841 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 03:16:16,852 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2018-12-02 03:16:16,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 03:16:16,859 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:16:16,859 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] [2018-12-02 03:16:16,861 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:16:16,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:16:16,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1304171110, now seen corresponding path program 1 times [2018-12-02 03:16:16,867 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:16:16,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:16:16,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:16:16,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:16:16,898 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:16:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:16:17,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:16:17,019 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:16:17,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 03:16:17,019 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 03:16:17,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 03:16:17,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 03:16:17,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 03:16:17,031 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 2 states. [2018-12-02 03:16:17,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:16:17,051 INFO L93 Difference]: Finished difference Result 222 states and 275 transitions. [2018-12-02 03:16:17,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 03:16:17,052 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-02 03:16:17,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:16:17,059 INFO L225 Difference]: With dead ends: 222 [2018-12-02 03:16:17,059 INFO L226 Difference]: Without dead ends: 113 [2018-12-02 03:16:17,061 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 03:16:17,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-12-02 03:16:17,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-12-02 03:16:17,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-12-02 03:16:17,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 131 transitions. [2018-12-02 03:16:17,091 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 131 transitions. Word has length 51 [2018-12-02 03:16:17,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:16:17,091 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 131 transitions. [2018-12-02 03:16:17,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 03:16:17,091 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2018-12-02 03:16:17,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 03:16:17,093 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:16:17,093 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:16:17,093 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:16:17,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:16:17,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1885358884, now seen corresponding path program 1 times [2018-12-02 03:16:17,093 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:16:17,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:16:17,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:16:17,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:16:17,094 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:16:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:16:17,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:16:17,152 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:16:17,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 03:16:17,152 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 03:16:17,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 03:16:17,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 03:16:17,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 03:16:17,154 INFO L87 Difference]: Start difference. First operand 113 states and 131 transitions. Second operand 3 states. [2018-12-02 03:16:17,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:16:17,169 INFO L93 Difference]: Finished difference Result 167 states and 193 transitions. [2018-12-02 03:16:17,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 03:16:17,169 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-02 03:16:17,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:16:17,171 INFO L225 Difference]: With dead ends: 167 [2018-12-02 03:16:17,171 INFO L226 Difference]: Without dead ends: 104 [2018-12-02 03:16:17,172 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 03:16:17,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-12-02 03:16:17,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-12-02 03:16:17,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-12-02 03:16:17,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 119 transitions. [2018-12-02 03:16:17,180 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 119 transitions. Word has length 52 [2018-12-02 03:16:17,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:16:17,181 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 119 transitions. [2018-12-02 03:16:17,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 03:16:17,181 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2018-12-02 03:16:17,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 03:16:17,182 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:16:17,182 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:16:17,182 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:16:17,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:16:17,183 INFO L82 PathProgramCache]: Analyzing trace with hash 2056397908, now seen corresponding path program 1 times [2018-12-02 03:16:17,183 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:16:17,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:16:17,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:16:17,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:16:17,184 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:16:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:16:17,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:16:17,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:16:17,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 03:16:17,255 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 03:16:17,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 03:16:17,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 03:16:17,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 03:16:17,256 INFO L87 Difference]: Start difference. First operand 104 states and 119 transitions. Second operand 3 states. [2018-12-02 03:16:17,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:16:17,268 INFO L93 Difference]: Finished difference Result 180 states and 211 transitions. [2018-12-02 03:16:17,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 03:16:17,268 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2018-12-02 03:16:17,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:16:17,269 INFO L225 Difference]: With dead ends: 180 [2018-12-02 03:16:17,269 INFO L226 Difference]: Without dead ends: 104 [2018-12-02 03:16:17,270 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 03:16:17,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-12-02 03:16:17,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-12-02 03:16:17,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-12-02 03:16:17,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 118 transitions. [2018-12-02 03:16:17,276 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 118 transitions. Word has length 57 [2018-12-02 03:16:17,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:16:17,276 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 118 transitions. [2018-12-02 03:16:17,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 03:16:17,276 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 118 transitions. [2018-12-02 03:16:17,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 03:16:17,277 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:16:17,277 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:16:17,277 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:16:17,278 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:16:17,278 INFO L82 PathProgramCache]: Analyzing trace with hash 802002491, now seen corresponding path program 1 times [2018-12-02 03:16:17,278 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:16:17,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:16:17,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:16:17,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:16:17,279 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:16:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:16:17,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:16:17,344 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:16:17,344 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 03:16:17,344 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 03:16:17,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 03:16:17,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 03:16:17,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 03:16:17,345 INFO L87 Difference]: Start difference. First operand 104 states and 118 transitions. Second operand 6 states. [2018-12-02 03:16:17,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:16:17,468 INFO L93 Difference]: Finished difference Result 248 states and 293 transitions. [2018-12-02 03:16:17,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 03:16:17,468 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2018-12-02 03:16:17,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:16:17,471 INFO L225 Difference]: With dead ends: 248 [2018-12-02 03:16:17,471 INFO L226 Difference]: Without dead ends: 172 [2018-12-02 03:16:17,472 INFO L631 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 [2018-12-02 03:16:17,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-12-02 03:16:17,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 170. [2018-12-02 03:16:17,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-12-02 03:16:17,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 196 transitions. [2018-12-02 03:16:17,491 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 196 transitions. Word has length 65 [2018-12-02 03:16:17,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:16:17,491 INFO L480 AbstractCegarLoop]: Abstraction has 170 states and 196 transitions. [2018-12-02 03:16:17,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 03:16:17,491 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 196 transitions. [2018-12-02 03:16:17,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-02 03:16:17,493 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:16:17,493 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:16:17,493 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:16:17,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:16:17,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1516722689, now seen corresponding path program 1 times [2018-12-02 03:16:17,494 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:16:17,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:16:17,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:16:17,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:16:17,495 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:16:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:16:17,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:16:17,574 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:16:17,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 03:16:17,574 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 03:16:17,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 03:16:17,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 03:16:17,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 03:16:17,575 INFO L87 Difference]: Start difference. First operand 170 states and 196 transitions. Second operand 7 states. [2018-12-02 03:16:17,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:16:17,748 INFO L93 Difference]: Finished difference Result 266 states and 315 transitions. [2018-12-02 03:16:17,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 03:16:17,749 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2018-12-02 03:16:17,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:16:17,749 INFO L225 Difference]: With dead ends: 266 [2018-12-02 03:16:17,750 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 03:16:17,751 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 [2018-12-02 03:16:17,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 03:16:17,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 03:16:17,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 03:16:17,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 03:16:17,752 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2018-12-02 03:16:17,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:16:17,752 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 03:16:17,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 03:16:17,752 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 03:16:17,752 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 03:16:17,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 03:16:18,222 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 400 406) the Hoare annotation is: true [2018-12-02 03:16:18,222 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 400 406) no Hoare annotation was computed. [2018-12-02 03:16:18,222 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 407 415) no Hoare annotation was computed. [2018-12-02 03:16:18,222 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 407 415) the Hoare annotation is: true [2018-12-02 03:16:18,222 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 407 415) no Hoare annotation was computed. [2018-12-02 03:16:18,223 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 358 380) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 03:16:18,223 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 358 380) no Hoare annotation was computed. [2018-12-02 03:16:18,223 INFO L444 ceAbstractionStarter]: At program point L370(line 370) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 03:16:18,223 INFO L444 ceAbstractionStarter]: At program point L370-1(line 370) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 03:16:18,223 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 375) no Hoare annotation was computed. [2018-12-02 03:16:18,223 INFO L448 ceAbstractionStarter]: For program point L368-1(lines 368 375) no Hoare annotation was computed. [2018-12-02 03:16:18,223 INFO L448 ceAbstractionStarter]: For program point L366(line 366) no Hoare annotation was computed. [2018-12-02 03:16:18,223 INFO L444 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 03:16:18,223 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 358 380) no Hoare annotation was computed. [2018-12-02 03:16:18,223 INFO L444 ceAbstractionStarter]: At program point L364(line 364) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 03:16:18,223 INFO L444 ceAbstractionStarter]: At program point L364-1(line 364) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 03:16:18,223 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 138 146) no Hoare annotation was computed. [2018-12-02 03:16:18,223 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 138 146) the Hoare annotation is: true [2018-12-02 03:16:18,223 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 138 146) no Hoare annotation was computed. [2018-12-02 03:16:18,224 INFO L448 ceAbstractionStarter]: For program point L192(lines 192 196) no Hoare annotation was computed. [2018-12-02 03:16:18,224 INFO L451 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: true [2018-12-02 03:16:18,224 INFO L448 ceAbstractionStarter]: For program point L192-2(lines 192 196) no Hoare annotation was computed. [2018-12-02 03:16:18,224 INFO L448 ceAbstractionStarter]: For program point L190-1(line 190) no Hoare annotation was computed. [2018-12-02 03:16:18,224 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 183 201) the Hoare annotation is: true [2018-12-02 03:16:18,224 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 183 201) no Hoare annotation was computed. [2018-12-02 03:16:18,224 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 183 201) no Hoare annotation was computed. [2018-12-02 03:16:18,224 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 393 399) no Hoare annotation was computed. [2018-12-02 03:16:18,224 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 393 399) the Hoare annotation is: true [2018-12-02 03:16:18,224 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 344 354) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 03:16:18,224 INFO L444 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 03:16:18,224 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 344 354) no Hoare annotation was computed. [2018-12-02 03:16:18,224 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 344 354) no Hoare annotation was computed. [2018-12-02 03:16:18,224 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 119 126) the Hoare annotation is: true [2018-12-02 03:16:18,224 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 119 126) no Hoare annotation was computed. [2018-12-02 03:16:18,224 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 119 126) no Hoare annotation was computed. [2018-12-02 03:16:18,224 INFO L444 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-02 03:16:18,224 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 102) no Hoare annotation was computed. [2018-12-02 03:16:18,225 INFO L444 ceAbstractionStarter]: At program point L92(line 92) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-02 03:16:18,225 INFO L448 ceAbstractionStarter]: For program point L92-1(line 92) no Hoare annotation was computed. [2018-12-02 03:16:18,225 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 107) no Hoare annotation was computed. [2018-12-02 03:16:18,225 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 86 110) no Hoare annotation was computed. [2018-12-02 03:16:18,225 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 86 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 03:16:18,225 INFO L444 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 03:16:18,225 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 86 110) no Hoare annotation was computed. [2018-12-02 03:16:18,225 INFO L444 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-02 03:16:18,225 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 78 84) no Hoare annotation was computed. [2018-12-02 03:16:18,225 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 78 84) the Hoare annotation is: true [2018-12-02 03:16:18,225 INFO L448 ceAbstractionStarter]: For program point L225(lines 224 271) no Hoare annotation was computed. [2018-12-02 03:16:18,225 INFO L444 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 03:16:18,225 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 214 279) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 03:16:18,225 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 267) no Hoare annotation was computed. [2018-12-02 03:16:18,225 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 214 279) no Hoare annotation was computed. [2018-12-02 03:16:18,225 INFO L444 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 03:16:18,225 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 250) no Hoare annotation was computed. [2018-12-02 03:16:18,226 INFO L448 ceAbstractionStarter]: For program point L244-1(lines 244 250) no Hoare annotation was computed. [2018-12-02 03:16:18,226 INFO L444 ceAbstractionStarter]: At program point L269(lines 224 271) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 03:16:18,226 INFO L444 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 03:16:18,226 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 240) no Hoare annotation was computed. [2018-12-02 03:16:18,226 INFO L448 ceAbstractionStarter]: For program point L234-1(lines 234 240) no Hoare annotation was computed. [2018-12-02 03:16:18,226 INFO L448 ceAbstractionStarter]: For program point L226(lines 226 230) no Hoare annotation was computed. [2018-12-02 03:16:18,226 INFO L444 ceAbstractionStarter]: At program point L272(lines 223 273) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 03:16:18,226 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2018-12-02 03:16:18,226 INFO L444 ceAbstractionStarter]: At program point L262-2(lines 254 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 03:16:18,226 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 214 279) no Hoare annotation was computed. [2018-12-02 03:16:18,226 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 497 505) no Hoare annotation was computed. [2018-12-02 03:16:18,226 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 497 505) the Hoare annotation is: true [2018-12-02 03:16:18,226 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 497 505) no Hoare annotation was computed. [2018-12-02 03:16:18,226 INFO L448 ceAbstractionStarter]: For program point L896(lines 896 902) no Hoare annotation was computed. [2018-12-02 03:16:18,226 INFO L448 ceAbstractionStarter]: For program point L895(lines 895 905) no Hoare annotation was computed. [2018-12-02 03:16:18,226 INFO L444 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0))) [2018-12-02 03:16:18,227 INFO L448 ceAbstractionStarter]: For program point L893-1(line 893) no Hoare annotation was computed. [2018-12-02 03:16:18,227 INFO L448 ceAbstractionStarter]: For program point L891(lines 891 908) no Hoare annotation was computed. [2018-12-02 03:16:18,227 INFO L448 ceAbstractionStarter]: For program point L891-1(lines 883 911) no Hoare annotation was computed. [2018-12-02 03:16:18,227 INFO L451 ceAbstractionStarter]: At program point L889(line 889) the Hoare annotation is: true [2018-12-02 03:16:18,227 INFO L448 ceAbstractionStarter]: For program point L889-1(line 889) no Hoare annotation was computed. [2018-12-02 03:16:18,227 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 883 911) the Hoare annotation is: true [2018-12-02 03:16:18,227 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 883 911) no Hoare annotation was computed. [2018-12-02 03:16:18,227 INFO L444 ceAbstractionStarter]: At program point L898(line 898) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0)) [2018-12-02 03:16:18,227 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 875 882) the Hoare annotation is: true [2018-12-02 03:16:18,227 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 875 882) no Hoare annotation was computed. [2018-12-02 03:16:18,227 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 875 882) no Hoare annotation was computed. [2018-12-02 03:16:18,227 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 03:16:18,227 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-02 03:16:18,227 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 03:16:18,227 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 444 455) no Hoare annotation was computed. [2018-12-02 03:16:18,227 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 444 455) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 03:16:18,227 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 444 455) no Hoare annotation was computed. [2018-12-02 03:16:18,227 INFO L451 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: true [2018-12-02 03:16:18,227 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 282 311) no Hoare annotation was computed. [2018-12-02 03:16:18,227 INFO L448 ceAbstractionStarter]: For program point L288-1(line 288) no Hoare annotation was computed. [2018-12-02 03:16:18,228 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 282 311) the Hoare annotation is: true [2018-12-02 03:16:18,228 INFO L451 ceAbstractionStarter]: At program point L307(lines 282 311) the Hoare annotation is: true [2018-12-02 03:16:18,228 INFO L448 ceAbstractionStarter]: For program point L303(line 303) no Hoare annotation was computed. [2018-12-02 03:16:18,228 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 300) no Hoare annotation was computed. [2018-12-02 03:16:18,228 INFO L451 ceAbstractionStarter]: At program point L296-1(lines 296 300) the Hoare annotation is: true [2018-12-02 03:16:18,228 INFO L448 ceAbstractionStarter]: For program point L293(line 293) no Hoare annotation was computed. [2018-12-02 03:16:18,228 INFO L451 ceAbstractionStarter]: At program point L292-2(lines 292 306) the Hoare annotation is: true [2018-12-02 03:16:18,228 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 456 464) the Hoare annotation is: true [2018-12-02 03:16:18,228 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 456 464) no Hoare annotation was computed. [2018-12-02 03:16:18,228 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 456 464) no Hoare annotation was computed. [2018-12-02 03:16:18,228 INFO L444 ceAbstractionStarter]: At program point L65(lines 65 71) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 03:16:18,228 INFO L444 ceAbstractionStarter]: At program point L60(line 60) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-02 03:16:18,228 INFO L448 ceAbstractionStarter]: For program point L58(lines 57 76) no Hoare annotation was computed. [2018-12-02 03:16:18,228 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 54 77) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 03:16:18,228 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 54 77) no Hoare annotation was computed. [2018-12-02 03:16:18,228 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 54 77) no Hoare annotation was computed. [2018-12-02 03:16:18,228 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 03:16:18,228 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 420 431) the Hoare annotation is: true [2018-12-02 03:16:18,229 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 420 431) no Hoare annotation was computed. [2018-12-02 03:16:18,229 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 420 431) no Hoare annotation was computed. [2018-12-02 03:16:18,229 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 336 342) no Hoare annotation was computed. [2018-12-02 03:16:18,229 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 336 342) the Hoare annotation is: true [2018-12-02 03:16:18,229 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 03:16:18,229 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0))) [2018-12-02 03:16:18,229 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 03:16:18,229 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 03:16:18,229 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 202 209) no Hoare annotation was computed. [2018-12-02 03:16:18,229 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 202 209) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) [2018-12-02 03:16:18,229 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 202 209) no Hoare annotation was computed. [2018-12-02 03:16:18,229 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 432 443) no Hoare annotation was computed. [2018-12-02 03:16:18,229 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 432 443) the Hoare annotation is: true [2018-12-02 03:16:18,229 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 432 443) no Hoare annotation was computed. [2018-12-02 03:16:18,229 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 913 920) no Hoare annotation was computed. [2018-12-02 03:16:18,229 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 913 920) the Hoare annotation is: true [2018-12-02 03:16:18,230 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 917) no Hoare annotation was computed. [2018-12-02 03:16:18,230 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 913 920) no Hoare annotation was computed. [2018-12-02 03:16:18,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:16:18 BoogieIcfgContainer [2018-12-02 03:16:18,237 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 03:16:18,237 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 03:16:18,237 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 03:16:18,238 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 03:16:18,238 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:16:16" (3/4) ... [2018-12-02 03:16:18,241 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 03:16:18,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 03:16:18,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 03:16:18,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 03:16:18,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 03:16:18,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 03:16:18,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 03:16:18,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 03:16:18,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 03:16:18,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 03:16:18,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 03:16:18,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 03:16:18,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 03:16:18,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-02 03:16:18,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-02 03:16:18,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 03:16:18,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 03:16:18,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 03:16:18,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 03:16:18,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 03:16:18,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 03:16:18,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 03:16:18,247 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 03:16:18,247 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 03:16:18,247 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 03:16:18,251 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-12-02 03:16:18,251 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 03:16:18,251 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 03:16:18,251 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 03:16:18,252 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 03:16:18,252 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 03:16:18,270 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || ((!(systemActive == 0) && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 03:16:18,270 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) [2018-12-02 03:16:18,293 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6b29c0ea-7b99-4357-a59f-e6abe9e7317f/bin-2019/utaipan/witness.graphml [2018-12-02 03:16:18,293 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 03:16:18,293 INFO L168 Benchmark]: Toolchain (without parser) took 2164.40 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 230.2 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -237.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:16:18,294 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:16:18,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -177.2 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-12-02 03:16:18,294 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:16:18,294 INFO L168 Benchmark]: Boogie Preprocessor took 21.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-02 03:16:18,295 INFO L168 Benchmark]: RCFGBuilder took 340.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 11.5 GB. [2018-12-02 03:16:18,295 INFO L168 Benchmark]: TraceAbstraction took 1445.79 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 88.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -116.2 MB). Peak memory consumption was 291.3 MB. Max. memory is 11.5 GB. [2018-12-02 03:16:18,295 INFO L168 Benchmark]: Witness Printer took 55.40 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. [2018-12-02 03:16:18,296 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 279.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -177.2 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 340.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1445.79 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 88.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -116.2 MB). Peak memory consumption was 291.3 MB. Max. memory is 11.5 GB. * Witness Printer took 55.40 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 917]: 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: 223]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || ((!(systemActive == 0) && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 126 locations, 1 error locations. SAFE Result, 1.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 573 SDtfs, 254 SDslu, 635 SDs, 0 SdLazy, 235 SolverSat, 57 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=170occurred 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 233 PreInvPairs, 248 NumberOfFragments, 505 HoareAnnotationTreeSize, 233 FomulaSimplifications, 90 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 53 FomulaSimplificationsInter, 735 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 289 ConstructedInterpolants, 0 QuantifiedInterpolants, 31729 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...