./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product28_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d3592797-d31d-4a6d-bd25-58598e427d60/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d3592797-d31d-4a6d-bd25-58598e427d60/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d3592797-d31d-4a6d-bd25-58598e427d60/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d3592797-d31d-4a6d-bd25-58598e427d60/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product28_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d3592797-d31d-4a6d-bd25-58598e427d60/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d3592797-d31d-4a6d-bd25-58598e427d60/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1165f07e3d74a20c4613b7b4bc48cc7f6e23e78e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:26:54,498 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:26:54,499 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:26:54,507 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:26:54,507 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:26:54,507 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:26:54,508 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:26:54,509 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:26:54,510 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:26:54,511 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:26:54,511 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:26:54,512 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:26:54,512 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:26:54,513 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:26:54,514 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:26:54,514 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:26:54,515 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:26:54,516 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:26:54,518 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:26:54,519 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:26:54,520 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:26:54,520 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:26:54,522 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:26:54,522 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:26:54,522 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:26:54,523 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:26:54,524 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:26:54,524 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:26:54,525 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:26:54,526 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:26:54,526 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:26:54,526 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:26:54,526 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:26:54,526 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:26:54,527 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:26:54,527 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:26:54,528 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d3592797-d31d-4a6d-bd25-58598e427d60/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:26:54,538 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:26:54,538 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:26:54,538 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:26:54,539 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:26:54,539 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:26:54,539 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:26:54,539 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:26:54,539 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:26:54,540 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:26:54,540 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:26:54,540 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:26:54,540 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:26:54,540 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:26:54,540 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:26:54,540 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:26:54,540 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:26:54,540 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:26:54,541 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:26:54,541 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:26:54,541 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:26:54,541 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:26:54,541 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:26:54,541 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:26:54,541 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:26:54,542 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:26:54,542 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:26:54,542 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:26:54,542 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:26:54,542 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:26:54,542 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:26:54,542 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_d3592797-d31d-4a6d-bd25-58598e427d60/bin-2019/uautomizer 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 -> Automizer 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 -> 1165f07e3d74a20c4613b7b4bc48cc7f6e23e78e [2018-11-28 13:26:54,566 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:26:54,575 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:26:54,578 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:26:54,579 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:26:54,579 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:26:54,580 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d3592797-d31d-4a6d-bd25-58598e427d60/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product28_true-unreach-call_false-termination.cil.c [2018-11-28 13:26:54,623 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3592797-d31d-4a6d-bd25-58598e427d60/bin-2019/uautomizer/data/b22c85d1d/3f662c6c94a84d4f8578c6d4b01e1509/FLAGb4f448d23 [2018-11-28 13:26:55,082 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:26:55,083 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d3592797-d31d-4a6d-bd25-58598e427d60/sv-benchmarks/c/product-lines/minepump_spec2_product28_true-unreach-call_false-termination.cil.c [2018-11-28 13:26:55,091 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3592797-d31d-4a6d-bd25-58598e427d60/bin-2019/uautomizer/data/b22c85d1d/3f662c6c94a84d4f8578c6d4b01e1509/FLAGb4f448d23 [2018-11-28 13:26:55,104 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d3592797-d31d-4a6d-bd25-58598e427d60/bin-2019/uautomizer/data/b22c85d1d/3f662c6c94a84d4f8578c6d4b01e1509 [2018-11-28 13:26:55,106 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:26:55,107 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:26:55,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:26:55,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:26:55,111 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:26:55,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:26:55" (1/1) ... [2018-11-28 13:26:55,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af6d2e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:55, skipping insertion in model container [2018-11-28 13:26:55,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:26:55" (1/1) ... [2018-11-28 13:26:55,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:26:55,148 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:26:55,338 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:26:55,396 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:26:55,453 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:26:55,475 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:26:55,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:55 WrapperNode [2018-11-28 13:26:55,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:26:55,476 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:26:55,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:26:55,476 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:26:55,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:55" (1/1) ... [2018-11-28 13:26:55,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:55" (1/1) ... [2018-11-28 13:26:55,498 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:26:55,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:26:55,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:26:55,499 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:26:55,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:55" (1/1) ... [2018-11-28 13:26:55,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:55" (1/1) ... [2018-11-28 13:26:55,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:55" (1/1) ... [2018-11-28 13:26:55,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:55" (1/1) ... [2018-11-28 13:26:55,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:55" (1/1) ... [2018-11-28 13:26:55,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:55" (1/1) ... [2018-11-28 13:26:55,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:55" (1/1) ... [2018-11-28 13:26:55,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:26:55,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:26:55,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:26:55,525 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:26:55,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d3592797-d31d-4a6d-bd25-58598e427d60/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:26:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 13:26:55,565 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 13:26:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:26:55,566 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:26:55,566 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 13:26:55,566 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 13:26:55,566 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 13:26:55,566 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 13:26:55,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:26:55,566 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 13:26:55,566 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 13:26:55,566 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 13:26:55,567 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 13:26:55,567 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 13:26:55,567 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 13:26:55,567 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 13:26:55,567 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 13:26:55,567 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 13:26:55,567 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 13:26:55,567 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-28 13:26:55,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-28 13:26:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-28 13:26:55,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-28 13:26:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 13:26:55,568 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 13:26:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 13:26:55,568 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 13:26:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 13:26:55,568 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 13:26:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 13:26:55,569 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 13:26:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 13:26:55,569 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 13:26:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 13:26:55,569 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 13:26:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 13:26:55,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 13:26:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 13:26:55,569 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 13:26:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 13:26:55,570 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 13:26:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 13:26:55,570 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 13:26:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 13:26:55,570 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 13:26:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 13:26:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:26:55,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:26:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 13:26:55,570 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 13:26:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 13:26:55,571 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 13:26:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:26:55,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:26:55,947 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:26:55,947 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 13:26:55,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:26:55 BoogieIcfgContainer [2018-11-28 13:26:55,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:26:55,948 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:26:55,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:26:55,950 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:26:55,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:26:55" (1/3) ... [2018-11-28 13:26:55,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e06fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:26:55, skipping insertion in model container [2018-11-28 13:26:55,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:55" (2/3) ... [2018-11-28 13:26:55,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e06fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:26:55, skipping insertion in model container [2018-11-28 13:26:55,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:26:55" (3/3) ... [2018-11-28 13:26:55,952 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product28_true-unreach-call_false-termination.cil.c [2018-11-28 13:26:55,958 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:26:55,963 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:26:55,972 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:26:55,991 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:26:55,992 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:26:55,992 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:26:55,992 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:26:55,992 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:26:55,992 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:26:55,992 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:26:55,992 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:26:55,993 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:26:56,007 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2018-11-28 13:26:56,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 13:26:56,013 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:26:56,014 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] [2018-11-28 13:26:56,015 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:26:56,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:26:56,018 INFO L82 PathProgramCache]: Analyzing trace with hash -487922081, now seen corresponding path program 1 times [2018-11-28 13:26:56,019 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:26:56,020 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:26:56,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:56,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:56,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:56,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:26:56,193 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:26:56,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:26:56,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 13:26:56,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 13:26:56,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:26:56,205 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 2 states. [2018-11-28 13:26:56,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:26:56,231 INFO L93 Difference]: Finished difference Result 234 states and 291 transitions. [2018-11-28 13:26:56,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:26:56,232 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-28 13:26:56,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:26:56,240 INFO L225 Difference]: With dead ends: 234 [2018-11-28 13:26:56,241 INFO L226 Difference]: Without dead ends: 119 [2018-11-28 13:26:56,243 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:26:56,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-11-28 13:26:56,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-11-28 13:26:56,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-11-28 13:26:56,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2018-11-28 13:26:56,279 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 51 [2018-11-28 13:26:56,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:26:56,279 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2018-11-28 13:26:56,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 13:26:56,279 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2018-11-28 13:26:56,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 13:26:56,281 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:26:56,282 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] [2018-11-28 13:26:56,282 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:26:56,282 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:26:56,282 INFO L82 PathProgramCache]: Analyzing trace with hash 687359330, now seen corresponding path program 1 times [2018-11-28 13:26:56,283 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:26:56,283 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:26:56,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:56,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:56,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:56,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:26:56,379 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:26:56,379 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:26:56,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:26:56,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:26:56,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:26:56,382 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 3 states. [2018-11-28 13:26:56,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:26:56,402 INFO L93 Difference]: Finished difference Result 173 states and 201 transitions. [2018-11-28 13:26:56,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:26:56,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 13:26:56,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:26:56,404 INFO L225 Difference]: With dead ends: 173 [2018-11-28 13:26:56,405 INFO L226 Difference]: Without dead ends: 110 [2018-11-28 13:26:56,405 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:26:56,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-11-28 13:26:56,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-11-28 13:26:56,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-11-28 13:26:56,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 127 transitions. [2018-11-28 13:26:56,417 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 127 transitions. Word has length 52 [2018-11-28 13:26:56,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:26:56,417 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 127 transitions. [2018-11-28 13:26:56,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:26:56,418 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions. [2018-11-28 13:26:56,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 13:26:56,419 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:26:56,419 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] [2018-11-28 13:26:56,419 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:26:56,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:26:56,419 INFO L82 PathProgramCache]: Analyzing trace with hash -564083850, now seen corresponding path program 1 times [2018-11-28 13:26:56,419 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:26:56,420 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:26:56,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:56,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:56,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:56,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:26:56,525 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:26:56,525 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:26:56,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:26:56,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:26:56,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:26:56,526 INFO L87 Difference]: Start difference. First operand 110 states and 127 transitions. Second operand 7 states. [2018-11-28 13:26:56,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:26:56,854 INFO L93 Difference]: Finished difference Result 325 states and 395 transitions. [2018-11-28 13:26:56,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:26:56,854 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-28 13:26:56,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:26:56,856 INFO L225 Difference]: With dead ends: 325 [2018-11-28 13:26:56,857 INFO L226 Difference]: Without dead ends: 243 [2018-11-28 13:26:56,857 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:26:56,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-11-28 13:26:56,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 231. [2018-11-28 13:26:56,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-11-28 13:26:56,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 280 transitions. [2018-11-28 13:26:56,887 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 280 transitions. Word has length 57 [2018-11-28 13:26:56,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:26:56,888 INFO L480 AbstractCegarLoop]: Abstraction has 231 states and 280 transitions. [2018-11-28 13:26:56,888 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:26:56,888 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 280 transitions. [2018-11-28 13:26:56,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-28 13:26:56,891 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:26:56,891 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] [2018-11-28 13:26:56,891 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:26:56,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:26:56,891 INFO L82 PathProgramCache]: Analyzing trace with hash 667363296, now seen corresponding path program 1 times [2018-11-28 13:26:56,891 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:26:56,892 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:26:56,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:56,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:56,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:56,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:26:56,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:26:56,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:26:56,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:26:56,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:26:56,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:26:56,977 INFO L87 Difference]: Start difference. First operand 231 states and 280 transitions. Second operand 6 states. [2018-11-28 13:26:57,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:26:57,095 INFO L93 Difference]: Finished difference Result 619 states and 774 transitions. [2018-11-28 13:26:57,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:26:57,096 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-11-28 13:26:57,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:26:57,099 INFO L225 Difference]: With dead ends: 619 [2018-11-28 13:26:57,099 INFO L226 Difference]: Without dead ends: 416 [2018-11-28 13:26:57,101 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 [2018-11-28 13:26:57,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2018-11-28 13:26:57,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 410. [2018-11-28 13:26:57,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2018-11-28 13:26:57,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 500 transitions. [2018-11-28 13:26:57,138 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 500 transitions. Word has length 62 [2018-11-28 13:26:57,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:26:57,138 INFO L480 AbstractCegarLoop]: Abstraction has 410 states and 500 transitions. [2018-11-28 13:26:57,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:26:57,139 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 500 transitions. [2018-11-28 13:26:57,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 13:26:57,142 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:26:57,142 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] [2018-11-28 13:26:57,144 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:26:57,144 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:26:57,144 INFO L82 PathProgramCache]: Analyzing trace with hash 93963996, now seen corresponding path program 1 times [2018-11-28 13:26:57,144 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:26:57,144 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:26:57,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:57,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:57,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:57,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:26:57,252 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:26:57,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:26:57,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:26:57,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:26:57,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:26:57,254 INFO L87 Difference]: Start difference. First operand 410 states and 500 transitions. Second operand 7 states. [2018-11-28 13:26:57,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:26:57,458 INFO L93 Difference]: Finished difference Result 684 states and 861 transitions. [2018-11-28 13:26:57,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:26:57,459 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-28 13:26:57,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:26:57,460 INFO L225 Difference]: With dead ends: 684 [2018-11-28 13:26:57,460 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 13:26:57,462 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 [2018-11-28 13:26:57,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 13:26:57,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 13:26:57,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 13:26:57,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:26:57,463 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2018-11-28 13:26:57,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:26:57,463 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:26:57,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:26:57,463 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:26:57,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 13:26:57,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 13:26:58,068 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-28 13:26:58,068 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-28 13:26:58,068 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-28 13:26:58,068 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-28 13:26:58,068 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-28 13:26:58,068 INFO L444 ceAbstractionStarter]: At program point L578-1(line 578) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:26:58,068 INFO L448 ceAbstractionStarter]: For program point L576(lines 576 583) no Hoare annotation was computed. [2018-11-28 13:26:58,068 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 576 583) no Hoare annotation was computed. [2018-11-28 13:26:58,068 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-28 13:26:58,069 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 566 588) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:26:58,069 INFO L444 ceAbstractionStarter]: At program point L573(line 573) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:26:58,069 INFO L444 ceAbstractionStarter]: At program point L572(line 572) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:26:58,069 INFO L444 ceAbstractionStarter]: At program point L572-1(line 572) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:26:58,069 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 566 588) no Hoare annotation was computed. [2018-11-28 13:26:58,069 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 566 588) no Hoare annotation was computed. [2018-11-28 13:26:58,069 INFO L444 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:26:58,069 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 360 374) no Hoare annotation was computed. [2018-11-28 13:26:58,069 INFO L444 ceAbstractionStarter]: At program point L366(line 366) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 13:26:58,070 INFO L448 ceAbstractionStarter]: For program point L364(lines 364 370) no Hoare annotation was computed. [2018-11-28 13:26:58,070 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 360 374) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-28 13:26:58,070 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 360 374) no Hoare annotation was computed. [2018-11-28 13:26:58,070 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 296 304) no Hoare annotation was computed. [2018-11-28 13:26:58,070 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 296 304) the Hoare annotation is: true [2018-11-28 13:26:58,070 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 296 304) no Hoare annotation was computed. [2018-11-28 13:26:58,070 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 354) no Hoare annotation was computed. [2018-11-28 13:26:58,070 INFO L451 ceAbstractionStarter]: At program point L348(line 348) the Hoare annotation is: true [2018-11-28 13:26:58,070 INFO L448 ceAbstractionStarter]: For program point L350-2(lines 350 354) no Hoare annotation was computed. [2018-11-28 13:26:58,070 INFO L448 ceAbstractionStarter]: For program point L348-1(line 348) no Hoare annotation was computed. [2018-11-28 13:26:58,070 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 341 359) the Hoare annotation is: true [2018-11-28 13:26:58,070 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 341 359) no Hoare annotation was computed. [2018-11-28 13:26:58,071 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 341 359) no Hoare annotation was computed. [2018-11-28 13:26:58,071 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-28 13:26:58,071 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-28 13:26:58,071 INFO L444 ceAbstractionStarter]: At program point L560(line 560) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:26:58,071 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 555 565) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:26:58,071 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 555 565) no Hoare annotation was computed. [2018-11-28 13:26:58,071 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 555 565) no Hoare annotation was computed. [2018-11-28 13:26:58,071 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 277 284) the Hoare annotation is: true [2018-11-28 13:26:58,071 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 277 284) no Hoare annotation was computed. [2018-11-28 13:26:58,071 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 277 284) no Hoare annotation was computed. [2018-11-28 13:26:58,071 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 226 250) no Hoare annotation was computed. [2018-11-28 13:26:58,072 INFO L444 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 13:26:58,072 INFO L448 ceAbstractionStarter]: For program point L245-1(lines 226 250) no Hoare annotation was computed. [2018-11-28 13:26:58,072 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 226 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 13:26:58,072 INFO L444 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 13:26:58,072 INFO L444 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 13:26:58,072 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 242) no Hoare annotation was computed. [2018-11-28 13:26:58,072 INFO L444 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 13:26:58,072 INFO L448 ceAbstractionStarter]: For program point L232-1(line 232) no Hoare annotation was computed. [2018-11-28 13:26:58,072 INFO L448 ceAbstractionStarter]: For program point L230(lines 230 247) no Hoare annotation was computed. [2018-11-28 13:26:58,072 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 218 224) no Hoare annotation was computed. [2018-11-28 13:26:58,072 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 218 224) the Hoare annotation is: true [2018-11-28 13:26:58,072 INFO L444 ceAbstractionStarter]: At program point L417(line 417) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:26:58,073 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 385 452) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:26:58,073 INFO L448 ceAbstractionStarter]: For program point L415(lines 415 421) no Hoare annotation was computed. [2018-11-28 13:26:58,073 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 415 421) no Hoare annotation was computed. [2018-11-28 13:26:58,073 INFO L444 ceAbstractionStarter]: At program point L442(lines 395 444) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:26:58,073 INFO L444 ceAbstractionStarter]: At program point L407(line 407) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:26:58,073 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 385 452) no Hoare annotation was computed. [2018-11-28 13:26:58,073 INFO L448 ceAbstractionStarter]: For program point L405(lines 405 411) no Hoare annotation was computed. [2018-11-28 13:26:58,073 INFO L448 ceAbstractionStarter]: For program point L405-1(lines 405 411) no Hoare annotation was computed. [2018-11-28 13:26:58,073 INFO L448 ceAbstractionStarter]: For program point L397(lines 397 401) no Hoare annotation was computed. [2018-11-28 13:26:58,073 INFO L444 ceAbstractionStarter]: At program point L445(lines 394 446) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:26:58,073 INFO L444 ceAbstractionStarter]: At program point L435(line 435) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:26:58,074 INFO L448 ceAbstractionStarter]: For program point L433(lines 433 439) no Hoare annotation was computed. [2018-11-28 13:26:58,074 INFO L444 ceAbstractionStarter]: At program point L433-1(lines 425 440) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:26:58,074 INFO L448 ceAbstractionStarter]: For program point L396(lines 395 444) no Hoare annotation was computed. [2018-11-28 13:26:58,074 INFO L444 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:26:58,074 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 440) no Hoare annotation was computed. [2018-11-28 13:26:58,074 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 385 452) no Hoare annotation was computed. [2018-11-28 13:26:58,074 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 173 181) no Hoare annotation was computed. [2018-11-28 13:26:58,074 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 173 181) the Hoare annotation is: true [2018-11-28 13:26:58,074 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 173 181) no Hoare annotation was computed. [2018-11-28 13:26:58,074 INFO L444 ceAbstractionStarter]: At program point L478(line 478) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-28 13:26:58,074 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 482) no Hoare annotation was computed. [2018-11-28 13:26:58,075 INFO L448 ceAbstractionStarter]: For program point L475(lines 475 485) no Hoare annotation was computed. [2018-11-28 13:26:58,075 INFO L444 ceAbstractionStarter]: At program point L473(line 473) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 13:26:58,075 INFO L448 ceAbstractionStarter]: For program point L473-1(line 473) no Hoare annotation was computed. [2018-11-28 13:26:58,075 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 488) no Hoare annotation was computed. [2018-11-28 13:26:58,075 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 463 491) no Hoare annotation was computed. [2018-11-28 13:26:58,075 INFO L451 ceAbstractionStarter]: At program point L469(line 469) the Hoare annotation is: true [2018-11-28 13:26:58,075 INFO L448 ceAbstractionStarter]: For program point L469-1(line 469) no Hoare annotation was computed. [2018-11-28 13:26:58,075 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 463 491) the Hoare annotation is: true [2018-11-28 13:26:58,075 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 463 491) no Hoare annotation was computed. [2018-11-28 13:26:58,075 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 455 462) the Hoare annotation is: true [2018-11-28 13:26:58,075 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 455 462) no Hoare annotation was computed. [2018-11-28 13:26:58,076 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 455 462) no Hoare annotation was computed. [2018-11-28 13:26:58,076 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:26:58,076 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-28 13:26:58,076 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:26:58,076 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 120 131) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-11-28 13:26:58,076 INFO L448 ceAbstractionStarter]: For program point L124-1(lines 120 131) no Hoare annotation was computed. [2018-11-28 13:26:58,076 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2018-11-28 13:26:58,076 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 494 523) no Hoare annotation was computed. [2018-11-28 13:26:58,076 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 494 523) the Hoare annotation is: true [2018-11-28 13:26:58,076 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 512) no Hoare annotation was computed. [2018-11-28 13:26:58,076 INFO L451 ceAbstractionStarter]: At program point L508-1(lines 508 512) the Hoare annotation is: true [2018-11-28 13:26:58,076 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-28 13:26:58,077 INFO L451 ceAbstractionStarter]: At program point L504-2(lines 504 518) the Hoare annotation is: true [2018-11-28 13:26:58,077 INFO L451 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: true [2018-11-28 13:26:58,077 INFO L448 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2018-11-28 13:26:58,077 INFO L451 ceAbstractionStarter]: At program point L519(lines 494 523) the Hoare annotation is: true [2018-11-28 13:26:58,077 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-28 13:26:58,077 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 194 217) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 13:26:58,077 INFO L444 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 13:26:58,077 INFO L444 ceAbstractionStarter]: At program point L205(lines 205 211) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 13:26:58,077 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 194 217) no Hoare annotation was computed. [2018-11-28 13:26:58,077 INFO L444 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 13:26:58,078 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 194 217) no Hoare annotation was computed. [2018-11-28 13:26:58,078 INFO L448 ceAbstractionStarter]: For program point L198(lines 197 216) no Hoare annotation was computed. [2018-11-28 13:26:58,078 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 132 140) the Hoare annotation is: true [2018-11-28 13:26:58,078 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 132 140) no Hoare annotation was computed. [2018-11-28 13:26:58,078 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 132 140) no Hoare annotation was computed. [2018-11-28 13:26:58,078 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 96 107) the Hoare annotation is: true [2018-11-28 13:26:58,078 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 96 107) no Hoare annotation was computed. [2018-11-28 13:26:58,078 INFO L448 ceAbstractionStarter]: For program point L100-1(lines 96 107) no Hoare annotation was computed. [2018-11-28 13:26:58,078 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 548 554) no Hoare annotation was computed. [2018-11-28 13:26:58,078 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 548 554) the Hoare annotation is: true [2018-11-28 13:26:58,078 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:26:58,078 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-28 13:26:58,078 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:26:58,079 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:26:58,079 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 375 382) no Hoare annotation was computed. [2018-11-28 13:26:58,079 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 375 382) the Hoare annotation is: true [2018-11-28 13:26:58,079 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 375 382) no Hoare annotation was computed. [2018-11-28 13:26:58,079 INFO L448 ceAbstractionStarter]: For program point L112-1(lines 108 119) no Hoare annotation was computed. [2018-11-28 13:26:58,079 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2018-11-28 13:26:58,079 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 108 119) the Hoare annotation is: true [2018-11-28 13:26:58,079 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2018-11-28 13:26:58,079 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2018-11-28 13:26:58,079 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2018-11-28 13:26:58,079 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2018-11-28 13:26:58,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:26:58 BoogieIcfgContainer [2018-11-28 13:26:58,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:26:58,093 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:26:58,093 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:26:58,094 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:26:58,094 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:26:55" (3/4) ... [2018-11-28 13:26:58,097 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 13:26:58,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 13:26:58,104 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 13:26:58,104 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 13:26:58,104 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 13:26:58,104 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 13:26:58,104 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 13:26:58,104 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 13:26:58,104 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 13:26:58,104 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 13:26:58,104 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 13:26:58,104 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 13:26:58,104 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 13:26:58,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 13:26:58,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-28 13:26:58,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-28 13:26:58,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 13:26:58,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 13:26:58,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 13:26:58,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 13:26:58,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 13:26:58,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 13:26:58,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 13:26:58,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 13:26:58,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 13:26:58,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 13:26:58,112 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-28 13:26:58,113 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 13:26:58,113 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 13:26:58,113 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 13:26:58,113 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 13:26:58,114 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 13:26:58,140 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 13:26:58,140 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 13:26:58,175 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d3592797-d31d-4a6d-bd25-58598e427d60/bin-2019/uautomizer/witness.graphml [2018-11-28 13:26:58,175 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:26:58,176 INFO L168 Benchmark]: Toolchain (without parser) took 3068.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 951.7 MB in the beginning and 930.1 MB in the end (delta: 21.6 MB). Peak memory consumption was 160.5 MB. Max. memory is 11.5 GB. [2018-11-28 13:26:58,177 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:26:58,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -176.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:26:58,177 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.58 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:26:58,178 INFO L168 Benchmark]: Boogie Preprocessor took 25.41 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:26:58,178 INFO L168 Benchmark]: RCFGBuilder took 422.87 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:26:58,178 INFO L168 Benchmark]: TraceAbstraction took 2145.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 935.2 MB in the end (delta: 140.0 MB). Peak memory consumption was 140.0 MB. Max. memory is 11.5 GB. [2018-11-28 13:26:58,179 INFO L168 Benchmark]: Witness Printer took 81.78 ms. Allocated memory is still 1.2 GB. Free memory was 935.2 MB in the beginning and 930.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:26:58,181 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 367.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -176.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.58 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.41 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 422.87 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2145.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 935.2 MB in the end (delta: 140.0 MB). Peak memory consumption was 140.0 MB. Max. memory is 11.5 GB. * Witness Printer took 81.78 ms. Allocated memory is still 1.2 GB. Free memory was 935.2 MB in the beginning and 930.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 132 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 657 SDtfs, 436 SDslu, 1193 SDs, 0 SdLazy, 428 SolverSat, 116 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=410occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 446 PreInvPairs, 493 NumberOfFragments, 524 HoareAnnotationTreeSize, 446 FomulaSimplifications, 443 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 56 FomulaSimplificationsInter, 1866 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 30083 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...