./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product21_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d1ee0ed4-a6a9-4379-82f7-d37d7e0850cb/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d1ee0ed4-a6a9-4379-82f7-d37d7e0850cb/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d1ee0ed4-a6a9-4379-82f7-d37d7e0850cb/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d1ee0ed4-a6a9-4379-82f7-d37d7e0850cb/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product21_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d1ee0ed4-a6a9-4379-82f7-d37d7e0850cb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d1ee0ed4-a6a9-4379-82f7-d37d7e0850cb/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 41732c82c4e13eae07071a147bbd53c9191b35d7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 03:37:22,606 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:37:22,607 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:37:22,615 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:37:22,615 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:37:22,615 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:37:22,616 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:37:22,617 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:37:22,618 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:37:22,619 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:37:22,620 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:37:22,620 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:37:22,620 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:37:22,621 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:37:22,622 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:37:22,622 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:37:22,623 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:37:22,625 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:37:22,626 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:37:22,627 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:37:22,628 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:37:22,629 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:37:22,631 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:37:22,631 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:37:22,631 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:37:22,632 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:37:22,632 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:37:22,633 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:37:22,633 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:37:22,634 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:37:22,635 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:37:22,635 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:37:22,635 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:37:22,635 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:37:22,636 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:37:22,636 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:37:22,637 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d1ee0ed4-a6a9-4379-82f7-d37d7e0850cb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 03:37:22,647 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:37:22,647 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:37:22,648 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:37:22,648 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 03:37:22,648 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 03:37:22,648 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 03:37:22,648 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 03:37:22,649 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 03:37:22,649 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 03:37:22,649 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 03:37:22,649 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 03:37:22,649 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:37:22,649 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:37:22,650 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:37:22,650 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:37:22,650 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:37:22,650 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:37:22,650 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:37:22,650 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:37:22,650 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:37:22,650 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:37:22,651 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:37:22,651 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:37:22,651 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:37:22,651 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:37:22,651 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 03:37:22,651 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:37:22,651 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:37:22,651 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:37:22,651 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:37:22,651 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 03:37:22,653 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:37:22,653 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:37:22,653 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 03:37:22,653 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_d1ee0ed4-a6a9-4379-82f7-d37d7e0850cb/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 -> 41732c82c4e13eae07071a147bbd53c9191b35d7 [2018-11-10 03:37:22,675 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:37:22,683 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:37:22,685 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:37:22,686 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:37:22,686 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:37:22,687 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d1ee0ed4-a6a9-4379-82f7-d37d7e0850cb/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product21_true-unreach-call_false-termination.cil.c [2018-11-10 03:37:22,724 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d1ee0ed4-a6a9-4379-82f7-d37d7e0850cb/bin-2019/utaipan/data/256d8bfcd/3c4ad21eaeba4616ae8c3e02558cef4e/FLAG201145423 [2018-11-10 03:37:23,151 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:37:23,151 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d1ee0ed4-a6a9-4379-82f7-d37d7e0850cb/sv-benchmarks/c/product-lines/minepump_spec1_product21_true-unreach-call_false-termination.cil.c [2018-11-10 03:37:23,160 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d1ee0ed4-a6a9-4379-82f7-d37d7e0850cb/bin-2019/utaipan/data/256d8bfcd/3c4ad21eaeba4616ae8c3e02558cef4e/FLAG201145423 [2018-11-10 03:37:23,169 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d1ee0ed4-a6a9-4379-82f7-d37d7e0850cb/bin-2019/utaipan/data/256d8bfcd/3c4ad21eaeba4616ae8c3e02558cef4e [2018-11-10 03:37:23,171 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:37:23,173 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:37:23,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:37:23,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:37:23,175 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:37:23,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:37:23" (1/1) ... [2018-11-10 03:37:23,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9bb135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:37:23, skipping insertion in model container [2018-11-10 03:37:23,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:37:23" (1/1) ... [2018-11-10 03:37:23,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:37:23,213 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:37:23,398 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:37:23,405 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:37:23,459 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:37:23,477 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:37:23,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:37:23 WrapperNode [2018-11-10 03:37:23,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:37:23,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:37:23,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:37:23,478 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:37:23,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:37:23" (1/1) ... [2018-11-10 03:37:23,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:37:23" (1/1) ... [2018-11-10 03:37:23,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:37:23,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:37:23,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:37:23,561 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:37:23,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:37:23" (1/1) ... [2018-11-10 03:37:23,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:37:23" (1/1) ... [2018-11-10 03:37:23,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:37:23" (1/1) ... [2018-11-10 03:37:23,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:37:23" (1/1) ... [2018-11-10 03:37:23,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:37:23" (1/1) ... [2018-11-10 03:37:23,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:37:23" (1/1) ... [2018-11-10 03:37:23,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:37:23" (1/1) ... [2018-11-10 03:37:23,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:37:23,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:37:23,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:37:23,586 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:37:23,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:37:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d1ee0ed4-a6a9-4379-82f7-d37d7e0850cb/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:37:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 03:37:23,637 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 03:37:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 03:37:23,637 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 03:37:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-10 03:37:23,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-10 03:37:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 03:37:23,637 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 03:37:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 03:37:23,638 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 03:37:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 03:37:23,638 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 03:37:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 03:37:23,638 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 03:37:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-10 03:37:23,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-10 03:37:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 03:37:23,639 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 03:37:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 03:37:23,639 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 03:37:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 03:37:23,639 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 03:37:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 03:37:23,639 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 03:37:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 03:37:23,642 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 03:37:23,642 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 03:37:23,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 03:37:23,642 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-10 03:37:23,642 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-10 03:37:23,642 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 03:37:23,642 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 03:37:23,642 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 03:37:23,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 03:37:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 03:37:23,643 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 03:37:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 03:37:23,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 03:37:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 03:37:23,643 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 03:37:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 03:37:23,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 03:37:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 03:37:23,644 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 03:37:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:37:23,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:37:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 03:37:23,644 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 03:37:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-10 03:37:23,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-10 03:37:24,194 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:37:24,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:37:24 BoogieIcfgContainer [2018-11-10 03:37:24,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:37:24,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 03:37:24,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 03:37:24,198 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 03:37:24,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:37:23" (1/3) ... [2018-11-10 03:37:24,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f1139f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:37:24, skipping insertion in model container [2018-11-10 03:37:24,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:37:23" (2/3) ... [2018-11-10 03:37:24,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f1139f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:37:24, skipping insertion in model container [2018-11-10 03:37:24,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:37:24" (3/3) ... [2018-11-10 03:37:24,201 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product21_true-unreach-call_false-termination.cil.c [2018-11-10 03:37:24,210 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 03:37:24,216 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 03:37:24,230 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 03:37:24,260 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 03:37:24,260 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 03:37:24,260 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 03:37:24,260 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:37:24,261 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:37:24,261 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 03:37:24,261 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:37:24,261 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 03:37:24,281 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2018-11-10 03:37:24,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 03:37:24,289 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:37:24,290 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:37:24,293 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:37:24,298 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:37:24,298 INFO L82 PathProgramCache]: Analyzing trace with hash 498466131, now seen corresponding path program 1 times [2018-11-10 03:37:24,301 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:37:24,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:37:24,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:37:24,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:37:24,338 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:37:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:37:24,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:37:24,505 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:37:24,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 03:37:24,505 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:37:24,509 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 03:37:24,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 03:37:24,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 03:37:24,523 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 2 states. [2018-11-10 03:37:24,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:37:24,546 INFO L93 Difference]: Finished difference Result 242 states and 303 transitions. [2018-11-10 03:37:24,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 03:37:24,547 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-10 03:37:24,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:37:24,555 INFO L225 Difference]: With dead ends: 242 [2018-11-10 03:37:24,556 INFO L226 Difference]: Without dead ends: 121 [2018-11-10 03:37:24,558 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 03:37:24,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-11-10 03:37:24,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-11-10 03:37:24,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-11-10 03:37:24,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 143 transitions. [2018-11-10 03:37:24,596 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 143 transitions. Word has length 46 [2018-11-10 03:37:24,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:37:24,596 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 143 transitions. [2018-11-10 03:37:24,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 03:37:24,596 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 143 transitions. [2018-11-10 03:37:24,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 03:37:24,599 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:37:24,599 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:37:24,600 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:37:24,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:37:24,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1917852679, now seen corresponding path program 1 times [2018-11-10 03:37:24,600 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:37:24,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:37:24,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:37:24,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:37:24,602 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:37:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:37:24,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:37:24,681 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:37:24,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 03:37:24,682 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:37:24,683 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 03:37:24,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 03:37:24,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 03:37:24,684 INFO L87 Difference]: Start difference. First operand 121 states and 143 transitions. Second operand 3 states. [2018-11-10 03:37:24,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:37:24,701 INFO L93 Difference]: Finished difference Result 189 states and 223 transitions. [2018-11-10 03:37:24,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 03:37:24,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-10 03:37:24,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:37:24,703 INFO L225 Difference]: With dead ends: 189 [2018-11-10 03:37:24,704 INFO L226 Difference]: Without dead ends: 111 [2018-11-10 03:37:24,705 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 03:37:24,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-11-10 03:37:24,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-11-10 03:37:24,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-11-10 03:37:24,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 130 transitions. [2018-11-10 03:37:24,715 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 130 transitions. Word has length 48 [2018-11-10 03:37:24,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:37:24,716 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 130 transitions. [2018-11-10 03:37:24,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 03:37:24,716 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 130 transitions. [2018-11-10 03:37:24,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 03:37:24,717 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:37:24,717 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:37:24,718 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:37:24,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:37:24,718 INFO L82 PathProgramCache]: Analyzing trace with hash 2108940452, now seen corresponding path program 1 times [2018-11-10 03:37:24,718 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:37:24,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:37:24,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:37:24,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:37:24,719 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:37:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:37:24,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:37:24,863 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:37:24,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 03:37:24,863 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:37:24,863 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 03:37:24,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 03:37:24,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 03:37:24,864 INFO L87 Difference]: Start difference. First operand 111 states and 130 transitions. Second operand 7 states. [2018-11-10 03:37:25,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:37:25,254 INFO L93 Difference]: Finished difference Result 198 states and 237 transitions. [2018-11-10 03:37:25,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 03:37:25,255 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-10 03:37:25,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:37:25,257 INFO L225 Difference]: With dead ends: 198 [2018-11-10 03:37:25,257 INFO L226 Difference]: Without dead ends: 111 [2018-11-10 03:37:25,258 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-10 03:37:25,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-11-10 03:37:25,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-11-10 03:37:25,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-11-10 03:37:25,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 129 transitions. [2018-11-10 03:37:25,267 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 129 transitions. Word has length 52 [2018-11-10 03:37:25,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:37:25,267 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 129 transitions. [2018-11-10 03:37:25,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 03:37:25,267 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 129 transitions. [2018-11-10 03:37:25,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 03:37:25,269 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:37:25,269 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:37:25,271 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:37:25,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:37:25,271 INFO L82 PathProgramCache]: Analyzing trace with hash 146572721, now seen corresponding path program 1 times [2018-11-10 03:37:25,271 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:37:25,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:37:25,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:37:25,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:37:25,272 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:37:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:37:25,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:37:25,362 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:37:25,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 03:37:25,363 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:37:25,363 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 03:37:25,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 03:37:25,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 03:37:25,364 INFO L87 Difference]: Start difference. First operand 111 states and 129 transitions. Second operand 6 states. [2018-11-10 03:37:25,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:37:25,520 INFO L93 Difference]: Finished difference Result 278 states and 336 transitions. [2018-11-10 03:37:25,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 03:37:25,520 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2018-11-10 03:37:25,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:37:25,524 INFO L225 Difference]: With dead ends: 278 [2018-11-10 03:37:25,524 INFO L226 Difference]: Without dead ends: 191 [2018-11-10 03:37:25,525 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 03:37:25,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2018-11-10 03:37:25,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 189. [2018-11-10 03:37:25,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-11-10 03:37:25,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 224 transitions. [2018-11-10 03:37:25,546 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 224 transitions. Word has length 65 [2018-11-10 03:37:25,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:37:25,546 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 224 transitions. [2018-11-10 03:37:25,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 03:37:25,546 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 224 transitions. [2018-11-10 03:37:25,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 03:37:25,548 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:37:25,549 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:37:25,549 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:37:25,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:37:25,549 INFO L82 PathProgramCache]: Analyzing trace with hash -2043482547, now seen corresponding path program 1 times [2018-11-10 03:37:25,549 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:37:25,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:37:25,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:37:25,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:37:25,551 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:37:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:37:25,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:37:25,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:37:25,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 03:37:25,638 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:37:25,639 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 03:37:25,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 03:37:25,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 03:37:25,639 INFO L87 Difference]: Start difference. First operand 189 states and 224 transitions. Second operand 7 states. [2018-11-10 03:37:25,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:37:25,878 INFO L93 Difference]: Finished difference Result 289 states and 350 transitions. [2018-11-10 03:37:25,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 03:37:25,880 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2018-11-10 03:37:25,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:37:25,880 INFO L225 Difference]: With dead ends: 289 [2018-11-10 03:37:25,880 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 03:37:25,882 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-10 03:37:25,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 03:37:25,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 03:37:25,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 03:37:25,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 03:37:25,883 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2018-11-10 03:37:25,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:37:25,883 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 03:37:25,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 03:37:25,884 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 03:37:25,884 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 03:37:25,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 03:37:26,444 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 650 656) the Hoare annotation is: true [2018-11-10 03:37:26,445 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 650 656) no Hoare annotation was computed. [2018-11-10 03:37:26,445 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 657 665) no Hoare annotation was computed. [2018-11-10 03:37:26,445 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 657 665) the Hoare annotation is: true [2018-11-10 03:37:26,445 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 657 665) no Hoare annotation was computed. [2018-11-10 03:37:26,445 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 515 537) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:37:26,445 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 515 537) no Hoare annotation was computed. [2018-11-10 03:37:26,445 INFO L421 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:37:26,446 INFO L421 ceAbstractionStarter]: At program point L527-1(line 527) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:37:26,446 INFO L425 ceAbstractionStarter]: For program point L525(lines 525 532) no Hoare annotation was computed. [2018-11-10 03:37:26,446 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 515 537) no Hoare annotation was computed. [2018-11-10 03:37:26,446 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 525 532) no Hoare annotation was computed. [2018-11-10 03:37:26,446 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-10 03:37:26,446 INFO L421 ceAbstractionStarter]: At program point L522(line 522) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:37:26,446 INFO L421 ceAbstractionStarter]: At program point L521(line 521) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:37:26,446 INFO L421 ceAbstractionStarter]: At program point L521-1(line 521) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:37:26,446 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 847 855) no Hoare annotation was computed. [2018-11-10 03:37:26,447 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 847 855) the Hoare annotation is: true [2018-11-10 03:37:26,447 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 847 855) no Hoare annotation was computed. [2018-11-10 03:37:26,447 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 892 910) the Hoare annotation is: true [2018-11-10 03:37:26,447 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 892 910) no Hoare annotation was computed. [2018-11-10 03:37:26,447 INFO L425 ceAbstractionStarter]: For program point L901(lines 901 905) no Hoare annotation was computed. [2018-11-10 03:37:26,447 INFO L428 ceAbstractionStarter]: At program point L899(line 899) the Hoare annotation is: true [2018-11-10 03:37:26,447 INFO L425 ceAbstractionStarter]: For program point L901-2(lines 901 905) no Hoare annotation was computed. [2018-11-10 03:37:26,447 INFO L425 ceAbstractionStarter]: For program point L899-1(line 899) no Hoare annotation was computed. [2018-11-10 03:37:26,447 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 892 910) no Hoare annotation was computed. [2018-11-10 03:37:26,447 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 643 649) no Hoare annotation was computed. [2018-11-10 03:37:26,452 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 643 649) the Hoare annotation is: true [2018-11-10 03:37:26,452 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 502 511) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:37:26,452 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 502 511) no Hoare annotation was computed. [2018-11-10 03:37:26,452 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 502 511) no Hoare annotation was computed. [2018-11-10 03:37:26,452 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 836 846) the Hoare annotation is: true [2018-11-10 03:37:26,452 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 836 846) no Hoare annotation was computed. [2018-11-10 03:37:26,453 INFO L428 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: true [2018-11-10 03:37:26,453 INFO L425 ceAbstractionStarter]: For program point L841-1(line 841) no Hoare annotation was computed. [2018-11-10 03:37:26,453 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 836 846) no Hoare annotation was computed. [2018-11-10 03:37:26,453 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 828 835) the Hoare annotation is: true [2018-11-10 03:37:26,453 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 828 835) no Hoare annotation was computed. [2018-11-10 03:37:26,453 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 828 835) no Hoare annotation was computed. [2018-11-10 03:37:26,453 INFO L421 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 03:37:26,453 INFO L425 ceAbstractionStarter]: For program point L801-1(line 801) no Hoare annotation was computed. [2018-11-10 03:37:26,453 INFO L425 ceAbstractionStarter]: For program point L799(lines 799 816) no Hoare annotation was computed. [2018-11-10 03:37:26,453 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 795 819) no Hoare annotation was computed. [2018-11-10 03:37:26,453 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 795 819) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 03:37:26,453 INFO L421 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 03:37:26,454 INFO L425 ceAbstractionStarter]: For program point L814-1(lines 795 819) no Hoare annotation was computed. [2018-11-10 03:37:26,454 INFO L421 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 03:37:26,454 INFO L421 ceAbstractionStarter]: At program point L805(line 805) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 03:37:26,454 INFO L425 ceAbstractionStarter]: For program point L803(lines 803 811) no Hoare annotation was computed. [2018-11-10 03:37:26,454 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 761 767) no Hoare annotation was computed. [2018-11-10 03:37:26,454 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 761 767) the Hoare annotation is: true [2018-11-10 03:37:26,454 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 667 730) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:37:26,454 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 667 730) no Hoare annotation was computed. [2018-11-10 03:37:26,454 INFO L421 ceAbstractionStarter]: At program point L723(lines 676 724) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:37:26,454 INFO L425 ceAbstractionStarter]: For program point L713(lines 713 717) no Hoare annotation was computed. [2018-11-10 03:37:26,455 INFO L421 ceAbstractionStarter]: At program point L713-2(lines 707 718) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 03:37:26,455 INFO L425 ceAbstractionStarter]: For program point L678(lines 677 722) no Hoare annotation was computed. [2018-11-10 03:37:26,455 INFO L425 ceAbstractionStarter]: For program point L707(lines 707 718) no Hoare annotation was computed. [2018-11-10 03:37:26,455 INFO L421 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 03:37:26,455 INFO L425 ceAbstractionStarter]: For program point L697(lines 697 703) no Hoare annotation was computed. [2018-11-10 03:37:26,455 INFO L425 ceAbstractionStarter]: For program point L697-1(lines 697 703) no Hoare annotation was computed. [2018-11-10 03:37:26,455 INFO L421 ceAbstractionStarter]: At program point L689(line 689) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 03:37:26,455 INFO L421 ceAbstractionStarter]: At program point L720(lines 677 722) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 03:37:26,455 INFO L425 ceAbstractionStarter]: For program point L687(lines 687 693) no Hoare annotation was computed. [2018-11-10 03:37:26,455 INFO L425 ceAbstractionStarter]: For program point L687-1(lines 687 693) no Hoare annotation was computed. [2018-11-10 03:37:26,456 INFO L425 ceAbstractionStarter]: For program point L679(lines 679 683) no Hoare annotation was computed. [2018-11-10 03:37:26,457 INFO L425 ceAbstractionStarter]: For program point L677-1(lines 677 722) no Hoare annotation was computed. [2018-11-10 03:37:26,457 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 667 730) no Hoare annotation was computed. [2018-11-10 03:37:26,457 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 622 630) no Hoare annotation was computed. [2018-11-10 03:37:26,457 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 622 630) the Hoare annotation is: true [2018-11-10 03:37:26,457 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 622 630) no Hoare annotation was computed. [2018-11-10 03:37:26,457 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 03:37:26,457 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-10 03:37:26,457 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 03:37:26,457 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 569 580) no Hoare annotation was computed. [2018-11-10 03:37:26,457 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 569 580) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:37:26,457 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 569 580) no Hoare annotation was computed. [2018-11-10 03:37:26,458 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 581 589) the Hoare annotation is: true [2018-11-10 03:37:26,458 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 581 589) no Hoare annotation was computed. [2018-11-10 03:37:26,458 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 581 589) no Hoare annotation was computed. [2018-11-10 03:37:26,458 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-10 03:37:26,458 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 437 466) no Hoare annotation was computed. [2018-11-10 03:37:26,458 INFO L425 ceAbstractionStarter]: For program point L451(lines 451 455) no Hoare annotation was computed. [2018-11-10 03:37:26,458 INFO L428 ceAbstractionStarter]: At program point L451-1(lines 451 455) the Hoare annotation is: true [2018-11-10 03:37:26,458 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 447 461) no Hoare annotation was computed. [2018-11-10 03:37:26,458 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 437 466) the Hoare annotation is: true [2018-11-10 03:37:26,458 INFO L428 ceAbstractionStarter]: At program point L447-3(lines 447 461) the Hoare annotation is: true [2018-11-10 03:37:26,458 INFO L428 ceAbstractionStarter]: At program point L443(line 443) the Hoare annotation is: true [2018-11-10 03:37:26,458 INFO L425 ceAbstractionStarter]: For program point L443-1(line 443) no Hoare annotation was computed. [2018-11-10 03:37:26,459 INFO L428 ceAbstractionStarter]: At program point L462(lines 437 466) the Hoare annotation is: true [2018-11-10 03:37:26,459 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-10 03:37:26,459 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 737 760) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 03:37:26,459 INFO L421 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 03:37:26,459 INFO L421 ceAbstractionStarter]: At program point L748(lines 748 754) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 03:37:26,459 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 737 760) no Hoare annotation was computed. [2018-11-10 03:37:26,459 INFO L421 ceAbstractionStarter]: At program point L743(line 743) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 03:37:26,459 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 737 760) no Hoare annotation was computed. [2018-11-10 03:37:26,459 INFO L425 ceAbstractionStarter]: For program point L741(lines 740 759) no Hoare annotation was computed. [2018-11-10 03:37:26,459 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 545 556) the Hoare annotation is: true [2018-11-10 03:37:26,459 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 545 556) no Hoare annotation was computed. [2018-11-10 03:37:26,461 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 545 556) no Hoare annotation was computed. [2018-11-10 03:37:26,461 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 03:37:26,461 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-10 03:37:26,461 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 03:37:26,461 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 03:37:26,461 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 494 500) no Hoare annotation was computed. [2018-11-10 03:37:26,461 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 494 500) the Hoare annotation is: true [2018-11-10 03:37:26,461 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 557 568) no Hoare annotation was computed. [2018-11-10 03:37:26,461 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 557 568) no Hoare annotation was computed. [2018-11-10 03:37:26,461 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 557 568) the Hoare annotation is: true [2018-11-10 03:37:26,461 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 912 919) no Hoare annotation was computed. [2018-11-10 03:37:26,462 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 912 919) the Hoare annotation is: true [2018-11-10 03:37:26,462 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 912 919) no Hoare annotation was computed. [2018-11-10 03:37:26,462 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 916) no Hoare annotation was computed. [2018-11-10 03:37:26,462 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 430) no Hoare annotation was computed. [2018-11-10 03:37:26,462 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 409 433) no Hoare annotation was computed. [2018-11-10 03:37:26,462 INFO L428 ceAbstractionStarter]: At program point L415(line 415) the Hoare annotation is: true [2018-11-10 03:37:26,462 INFO L425 ceAbstractionStarter]: For program point L415-1(line 415) no Hoare annotation was computed. [2018-11-10 03:37:26,462 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 409 433) the Hoare annotation is: true [2018-11-10 03:37:26,462 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 409 433) no Hoare annotation was computed. [2018-11-10 03:37:26,462 INFO L421 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-10 03:37:26,462 INFO L425 ceAbstractionStarter]: For program point L421(lines 421 427) no Hoare annotation was computed. [2018-11-10 03:37:26,463 INFO L421 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-10 03:37:26,463 INFO L425 ceAbstractionStarter]: For program point L419-1(line 419) no Hoare annotation was computed. [2018-11-10 03:37:26,463 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 769 793) no Hoare annotation was computed. [2018-11-10 03:37:26,463 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 769 793) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 03:37:26,463 INFO L421 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 03:37:26,463 INFO L425 ceAbstractionStarter]: For program point L788-1(lines 769 793) no Hoare annotation was computed. [2018-11-10 03:37:26,463 INFO L421 ceAbstractionStarter]: At program point L783(line 783) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 03:37:26,463 INFO L421 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 03:37:26,463 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 785) no Hoare annotation was computed. [2018-11-10 03:37:26,463 INFO L421 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 03:37:26,463 INFO L425 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2018-11-10 03:37:26,467 INFO L425 ceAbstractionStarter]: For program point L773(lines 773 790) no Hoare annotation was computed. [2018-11-10 03:37:26,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 03:37:26 BoogieIcfgContainer [2018-11-10 03:37:26,480 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 03:37:26,481 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:37:26,481 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:37:26,481 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:37:26,481 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:37:24" (3/4) ... [2018-11-10 03:37:26,485 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 03:37:26,491 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 03:37:26,492 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 03:37:26,492 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 03:37:26,492 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 03:37:26,492 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-10 03:37:26,492 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 03:37:26,492 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 03:37:26,492 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 03:37:26,492 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 03:37:26,492 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 03:37:26,492 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 03:37:26,492 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 03:37:26,493 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-10 03:37:26,493 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 03:37:26,493 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 03:37:26,493 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 03:37:26,493 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 03:37:26,493 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 03:37:26,493 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 03:37:26,494 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 03:37:26,494 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 03:37:26,494 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 03:37:26,494 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-10 03:37:26,494 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-10 03:37:26,504 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 139 nodes and edges [2018-11-10 03:37:26,504 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 03:37:26,505 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 03:37:26,530 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) [2018-11-10 03:37:26,530 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 03:37:26,567 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d1ee0ed4-a6a9-4379-82f7-d37d7e0850cb/bin-2019/utaipan/witness.graphml [2018-11-10 03:37:26,567 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:37:26,567 INFO L168 Benchmark]: Toolchain (without parser) took 3395.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.2 MB). Free memory was 959.7 MB in the beginning and 1.1 GB in the end (delta: -145.8 MB). Peak memory consumption was 74.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:37:26,568 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:37:26,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.36 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 935.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 03:37:26,569 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -195.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 03:37:26,569 INFO L168 Benchmark]: Boogie Preprocessor took 24.62 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:37:26,569 INFO L168 Benchmark]: RCFGBuilder took 609.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 85.7 MB). Peak memory consumption was 85.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:37:26,569 INFO L168 Benchmark]: TraceAbstraction took 2284.67 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 83.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -75.1 MB). Peak memory consumption was 250.5 MB. Max. memory is 11.5 GB. [2018-11-10 03:37:26,570 INFO L168 Benchmark]: Witness Printer took 86.08 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: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2018-11-10 03:37:26,571 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 304.36 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 935.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 82.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -195.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.62 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 609.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 85.7 MB). Peak memory consumption was 85.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2284.67 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 83.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -75.1 MB). Peak memory consumption was 250.5 MB. Max. memory is 11.5 GB. * Witness Printer took 86.08 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: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 916]: 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: 676]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 134 locations, 1 error locations. SAFE Result, 2.2s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 617 SDtfs, 294 SDslu, 980 SDs, 0 SdLazy, 340 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=189occurred 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, 56 LocationsWithAnnotation, 317 PreInvPairs, 330 NumberOfFragments, 481 HoareAnnotationTreeSize, 317 FomulaSimplifications, 68 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 56 FomulaSimplificationsInter, 815 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 280 NumberOfCodeBlocks, 280 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 275 ConstructedInterpolants, 0 QuantifiedInterpolants, 30023 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...