./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product18_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_47576683-6cea-449a-b72a-068a25c67615/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_47576683-6cea-449a-b72a-068a25c67615/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_47576683-6cea-449a-b72a-068a25c67615/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_47576683-6cea-449a-b72a-068a25c67615/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product18_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_47576683-6cea-449a-b72a-068a25c67615/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_47576683-6cea-449a-b72a-068a25c67615/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 7139998cc0921a9b712bced77cbd2064338f38d5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:17:28,602 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:17:28,603 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:17:28,611 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:17:28,612 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:17:28,612 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:17:28,613 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:17:28,615 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:17:28,616 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:17:28,617 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:17:28,617 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:17:28,618 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:17:28,619 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:17:28,619 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:17:28,620 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:17:28,620 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:17:28,621 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:17:28,623 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:17:28,624 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:17:28,625 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:17:28,626 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:17:28,627 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:17:28,629 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:17:28,629 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:17:28,629 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:17:28,630 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:17:28,630 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:17:28,631 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:17:28,631 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:17:28,632 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:17:28,632 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:17:28,633 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:17:28,633 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:17:28,633 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:17:28,634 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:17:28,635 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:17:28,635 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_47576683-6cea-449a-b72a-068a25c67615/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 23:17:28,645 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:17:28,646 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:17:28,646 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:17:28,646 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 23:17:28,646 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 23:17:28,647 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 23:17:28,647 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 23:17:28,647 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 23:17:28,647 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 23:17:28,647 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 23:17:28,647 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 23:17:28,648 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:17:28,648 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:17:28,648 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:17:28,648 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:17:28,648 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:17:28,648 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:17:28,648 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:17:28,649 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:17:28,649 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:17:28,649 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:17:28,649 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:17:28,649 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:17:28,649 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 23:17:28,649 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:17:28,652 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 23:17:28,652 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:17:28,652 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:17:28,652 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:17:28,652 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:17:28,652 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 23:17:28,652 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:17:28,652 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:17:28,653 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 23:17:28,653 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_47576683-6cea-449a-b72a-068a25c67615/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 -> 7139998cc0921a9b712bced77cbd2064338f38d5 [2018-10-26 23:17:28,678 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:17:28,687 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:17:28,689 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:17:28,691 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:17:28,691 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:17:28,692 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_47576683-6cea-449a-b72a-068a25c67615/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product18_true-unreach-call_false-termination.cil.c [2018-10-26 23:17:28,738 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47576683-6cea-449a-b72a-068a25c67615/bin-2019/utaipan/data/19d14b165/f1526d78cc1840ca90f06f67aa721871/FLAG4532bf282 [2018-10-26 23:17:29,151 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:17:29,152 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_47576683-6cea-449a-b72a-068a25c67615/sv-benchmarks/c/product-lines/minepump_spec4_product18_true-unreach-call_false-termination.cil.c [2018-10-26 23:17:29,161 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47576683-6cea-449a-b72a-068a25c67615/bin-2019/utaipan/data/19d14b165/f1526d78cc1840ca90f06f67aa721871/FLAG4532bf282 [2018-10-26 23:17:29,173 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_47576683-6cea-449a-b72a-068a25c67615/bin-2019/utaipan/data/19d14b165/f1526d78cc1840ca90f06f67aa721871 [2018-10-26 23:17:29,176 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:17:29,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:17:29,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:17:29,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:17:29,181 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:17:29,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:17:29" (1/1) ... [2018-10-26 23:17:29,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@134985e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:17:29, skipping insertion in model container [2018-10-26 23:17:29,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:17:29" (1/1) ... [2018-10-26 23:17:29,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:17:29,235 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:17:29,473 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:17:29,485 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:17:29,572 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:17:29,598 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:17:29,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:17:29 WrapperNode [2018-10-26 23:17:29,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:17:29,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:17:29,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:17:29,599 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:17:29,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:17:29" (1/1) ... [2018-10-26 23:17:29,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:17:29" (1/1) ... [2018-10-26 23:17:29,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:17:29,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:17:29,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:17:29,724 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:17:29,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:17:29" (1/1) ... [2018-10-26 23:17:29,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:17:29" (1/1) ... [2018-10-26 23:17:29,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:17:29" (1/1) ... [2018-10-26 23:17:29,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:17:29" (1/1) ... [2018-10-26 23:17:29,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:17:29" (1/1) ... [2018-10-26 23:17:29,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:17:29" (1/1) ... [2018-10-26 23:17:29,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:17:29" (1/1) ... [2018-10-26 23:17:29,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:17:29,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:17:29,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:17:29,768 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:17:29,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:17:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47576683-6cea-449a-b72a-068a25c67615/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 [2018-10-26 23:17:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-26 23:17:29,825 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-26 23:17:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-10-26 23:17:29,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-10-26 23:17:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 23:17:29,826 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 23:17:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-10-26 23:17:29,826 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-10-26 23:17:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-26 23:17:29,826 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-26 23:17:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-26 23:17:29,826 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-26 23:17:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 23:17:29,826 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 23:17:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-26 23:17:29,827 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-26 23:17:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-10-26 23:17:29,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-10-26 23:17:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-10-26 23:17:29,827 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-10-26 23:17:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 23:17:29,827 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 23:17:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 23:17:29,827 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 23:17:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-26 23:17:29,828 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-26 23:17:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-10-26 23:17:29,828 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-10-26 23:17:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 23:17:29,828 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 23:17:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-26 23:17:29,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-26 23:17:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-26 23:17:29,829 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-26 23:17:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-26 23:17:29,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-26 23:17:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-26 23:17:29,829 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-26 23:17:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 23:17:29,829 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 23:17:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 23:17:29,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 23:17:29,835 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 23:17:29,835 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 23:17:29,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:17:29,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:17:29,836 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-26 23:17:29,836 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-26 23:17:30,789 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:17:30,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:17:30 BoogieIcfgContainer [2018-10-26 23:17:30,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:17:30,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 23:17:30,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 23:17:30,798 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 23:17:30,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 11:17:29" (1/3) ... [2018-10-26 23:17:30,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c16b07f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:17:30, skipping insertion in model container [2018-10-26 23:17:30,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:17:29" (2/3) ... [2018-10-26 23:17:30,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c16b07f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:17:30, skipping insertion in model container [2018-10-26 23:17:30,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:17:30" (3/3) ... [2018-10-26 23:17:30,802 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product18_true-unreach-call_false-termination.cil.c [2018-10-26 23:17:30,810 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 23:17:30,817 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 23:17:30,830 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 23:17:30,857 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 23:17:30,857 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 23:17:30,857 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 23:17:30,857 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 23:17:30,858 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 23:17:30,858 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 23:17:30,858 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 23:17:30,858 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 23:17:30,879 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2018-10-26 23:17:30,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 23:17:30,886 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:17:30,886 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] [2018-10-26 23:17:30,888 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:17:30,893 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:17:30,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1438908596, now seen corresponding path program 1 times [2018-10-26 23:17:30,896 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:17:30,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:17:30,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:17:30,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:17:30,937 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:17:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:17:31,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:17:31,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:17:31,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 23:17:31,151 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:17:31,156 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 23:17:31,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 23:17:31,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 23:17:31,170 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2018-10-26 23:17:31,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:17:31,207 INFO L93 Difference]: Finished difference Result 220 states and 271 transitions. [2018-10-26 23:17:31,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 23:17:31,210 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-10-26 23:17:31,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:17:31,221 INFO L225 Difference]: With dead ends: 220 [2018-10-26 23:17:31,222 INFO L226 Difference]: Without dead ends: 110 [2018-10-26 23:17:31,226 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 [2018-10-26 23:17:31,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-10-26 23:17:31,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-10-26 23:17:31,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-10-26 23:17:31,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 127 transitions. [2018-10-26 23:17:31,272 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 127 transitions. Word has length 46 [2018-10-26 23:17:31,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:17:31,272 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 127 transitions. [2018-10-26 23:17:31,272 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 23:17:31,273 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions. [2018-10-26 23:17:31,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 23:17:31,275 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:17:31,275 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] [2018-10-26 23:17:31,275 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:17:31,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:17:31,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1768518707, now seen corresponding path program 1 times [2018-10-26 23:17:31,276 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:17:31,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:17:31,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:17:31,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:17:31,277 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:17:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:17:31,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:17:31,428 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:17:31,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 23:17:31,428 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:17:31,430 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 23:17:31,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 23:17:31,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:17:31,430 INFO L87 Difference]: Start difference. First operand 110 states and 127 transitions. Second operand 3 states. [2018-10-26 23:17:31,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:17:31,459 INFO L93 Difference]: Finished difference Result 163 states and 187 transitions. [2018-10-26 23:17:31,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 23:17:31,460 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-10-26 23:17:31,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:17:31,462 INFO L225 Difference]: With dead ends: 163 [2018-10-26 23:17:31,462 INFO L226 Difference]: Without dead ends: 100 [2018-10-26 23:17:31,463 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 [2018-10-26 23:17:31,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-10-26 23:17:31,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-10-26 23:17:31,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-10-26 23:17:31,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2018-10-26 23:17:31,474 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 48 [2018-10-26 23:17:31,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:17:31,475 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2018-10-26 23:17:31,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 23:17:31,475 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2018-10-26 23:17:31,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 23:17:31,476 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:17:31,476 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:17:31,477 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:17:31,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:17:31,477 INFO L82 PathProgramCache]: Analyzing trace with hash 465396454, now seen corresponding path program 1 times [2018-10-26 23:17:31,477 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:17:31,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:17:31,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:17:31,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:17:31,479 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:17:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:17:31,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:17:31,833 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:17:31,833 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 23:17:31,833 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:17:31,834 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 23:17:31,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 23:17:31,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 23:17:31,834 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 7 states. [2018-10-26 23:17:32,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:17:32,419 INFO L93 Difference]: Finished difference Result 176 states and 205 transitions. [2018-10-26 23:17:32,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 23:17:32,419 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-10-26 23:17:32,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:17:32,421 INFO L225 Difference]: With dead ends: 176 [2018-10-26 23:17:32,421 INFO L226 Difference]: Without dead ends: 100 [2018-10-26 23:17:32,422 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-26 23:17:32,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-10-26 23:17:32,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-10-26 23:17:32,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-10-26 23:17:32,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 113 transitions. [2018-10-26 23:17:32,432 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 113 transitions. Word has length 53 [2018-10-26 23:17:32,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:17:32,432 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 113 transitions. [2018-10-26 23:17:32,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 23:17:32,432 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 113 transitions. [2018-10-26 23:17:32,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 23:17:32,434 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:17:32,434 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] [2018-10-26 23:17:32,435 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:17:32,435 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:17:32,435 INFO L82 PathProgramCache]: Analyzing trace with hash 2062143894, now seen corresponding path program 1 times [2018-10-26 23:17:32,435 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:17:32,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:17:32,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:17:32,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:17:32,436 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:17:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:17:32,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:17:32,657 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:17:32,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-10-26 23:17:32,658 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:17:32,658 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-26 23:17:32,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-26 23:17:32,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-10-26 23:17:32,659 INFO L87 Difference]: Start difference. First operand 100 states and 113 transitions. Second operand 10 states. [2018-10-26 23:17:33,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:17:33,939 INFO L93 Difference]: Finished difference Result 308 states and 373 transitions. [2018-10-26 23:17:33,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-26 23:17:33,940 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 61 [2018-10-26 23:17:33,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:17:33,943 INFO L225 Difference]: With dead ends: 308 [2018-10-26 23:17:33,943 INFO L226 Difference]: Without dead ends: 232 [2018-10-26 23:17:33,944 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-10-26 23:17:33,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2018-10-26 23:17:33,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 228. [2018-10-26 23:17:33,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-10-26 23:17:33,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 267 transitions. [2018-10-26 23:17:33,969 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 267 transitions. Word has length 61 [2018-10-26 23:17:33,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:17:33,969 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 267 transitions. [2018-10-26 23:17:33,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-26 23:17:33,969 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 267 transitions. [2018-10-26 23:17:33,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-26 23:17:33,972 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:17:33,972 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] [2018-10-26 23:17:33,972 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:17:33,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:17:33,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1307912854, now seen corresponding path program 1 times [2018-10-26 23:17:33,973 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:17:33,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:17:33,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:17:33,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:17:33,974 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:17:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:17:34,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:17:34,091 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:17:34,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 23:17:34,092 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:17:34,092 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 23:17:34,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 23:17:34,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:17:34,093 INFO L87 Difference]: Start difference. First operand 228 states and 267 transitions. Second operand 3 states. [2018-10-26 23:17:34,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:17:34,139 INFO L93 Difference]: Finished difference Result 368 states and 439 transitions. [2018-10-26 23:17:34,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 23:17:34,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2018-10-26 23:17:34,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:17:34,143 INFO L225 Difference]: With dead ends: 368 [2018-10-26 23:17:34,143 INFO L226 Difference]: Without dead ends: 164 [2018-10-26 23:17:34,144 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:17:34,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-10-26 23:17:34,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2018-10-26 23:17:34,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-10-26 23:17:34,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 182 transitions. [2018-10-26 23:17:34,160 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 182 transitions. Word has length 69 [2018-10-26 23:17:34,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:17:34,161 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 182 transitions. [2018-10-26 23:17:34,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 23:17:34,161 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 182 transitions. [2018-10-26 23:17:34,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-26 23:17:34,163 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:17:34,164 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:17:34,164 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:17:34,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:17:34,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1111062703, now seen corresponding path program 1 times [2018-10-26 23:17:34,164 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:17:34,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:17:34,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:17:34,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:17:34,165 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:17:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:17:34,614 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 23:17:34,614 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:17:34,614 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 23:17:34,615 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 103 with the following transitions: [2018-10-26 23:17:34,616 INFO L202 CegarAbsIntRunner]: [2], [17], [20], [21], [22], [23], [24], [25], [29], [35], [39], [43], [46], [51], [57], [59], [65], [68], [78], [80], [83], [85], [88], [94], [96], [97], [101], [104], [114], [115], [116], [117], [129], [130], [143], [147], [153], [188], [192], [197], [201], [202], [213], [214], [215], [216], [221], [222], [225], [226], [227], [228], [229], [231], [232], [233], [234], [235], [236], [237], [238], [239], [245], [246], [247], [248], [253], [254], [255], [257] [2018-10-26 23:17:34,675 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 23:17:34,677 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 23:17:40,920 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 23:17:40,921 INFO L272 AbstractInterpreter]: Visited 62 different actions 71 times. Merged at 6 different actions 6 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 133 variables. [2018-10-26 23:17:40,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:17:40,934 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 23:17:50,472 INFO L227 lantSequenceWeakener]: Weakened 93 states. On average, predicates are now at 97.29% of their original sizes. [2018-10-26 23:17:50,472 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 23:17:51,423 INFO L415 sIntCurrentIteration]: We unified 101 AI predicates to 101 [2018-10-26 23:17:51,423 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 23:17:51,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 23:17:51,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [7] total 30 [2018-10-26 23:17:51,424 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:17:51,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-10-26 23:17:51,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-10-26 23:17:51,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2018-10-26 23:17:51,425 INFO L87 Difference]: Start difference. First operand 164 states and 182 transitions. Second operand 25 states. [2018-10-26 23:18:14,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:18:14,583 INFO L93 Difference]: Finished difference Result 230 states and 265 transitions. [2018-10-26 23:18:14,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-26 23:18:14,583 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 102 [2018-10-26 23:18:14,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:18:14,584 INFO L225 Difference]: With dead ends: 230 [2018-10-26 23:18:14,584 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 23:18:14,584 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 107 GetRequests, 76 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=171, Invalid=759, Unknown=0, NotChecked=0, Total=930 [2018-10-26 23:18:14,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 23:18:14,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 23:18:14,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 23:18:14,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 23:18:14,585 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 102 [2018-10-26 23:18:14,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:18:14,585 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 23:18:14,585 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-10-26 23:18:14,585 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 23:18:14,586 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 23:18:14,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 23:18:14,803 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 232 [2018-10-26 23:18:14,962 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 231 [2018-10-26 23:18:15,151 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 231 [2018-10-26 23:18:15,281 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 229 [2018-10-26 23:18:15,414 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 235 [2018-10-26 23:18:16,044 WARN L179 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 32 [2018-10-26 23:18:16,152 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 30 [2018-10-26 23:18:16,478 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 41 [2018-10-26 23:18:16,586 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 32 [2018-10-26 23:18:17,068 WARN L179 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 57 [2018-10-26 23:18:17,264 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 37 [2018-10-26 23:18:17,956 WARN L179 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 62 [2018-10-26 23:18:18,510 WARN L179 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 41 [2018-10-26 23:18:18,994 WARN L179 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 62 [2018-10-26 23:18:19,529 WARN L179 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 62 [2018-10-26 23:18:19,924 WARN L179 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 58 [2018-10-26 23:18:19,926 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 189 196) the Hoare annotation is: true [2018-10-26 23:18:19,926 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 189 196) no Hoare annotation was computed. [2018-10-26 23:18:19,926 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 189 196) no Hoare annotation was computed. [2018-10-26 23:18:19,926 INFO L425 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2018-10-26 23:18:19,927 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 177) no Hoare annotation was computed. [2018-10-26 23:18:19,927 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 156 180) no Hoare annotation was computed. [2018-10-26 23:18:19,927 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 156 180) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 .cse1 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or .cse0 (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse1))) [2018-10-26 23:18:19,927 INFO L421 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 .cse1 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or .cse0 (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse1))) [2018-10-26 23:18:19,927 INFO L425 ceAbstractionStarter]: For program point L175-1(lines 156 180) no Hoare annotation was computed. [2018-10-26 23:18:19,927 INFO L421 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse0) (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)))) [2018-10-26 23:18:19,927 INFO L421 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse0) (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)))) [2018-10-26 23:18:19,927 INFO L425 ceAbstractionStarter]: For program point L164(lines 164 172) no Hoare annotation was computed. [2018-10-26 23:18:19,928 INFO L421 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse0) (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)))) [2018-10-26 23:18:19,928 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 426 432) the Hoare annotation is: true [2018-10-26 23:18:19,928 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 426 432) no Hoare annotation was computed. [2018-10-26 23:18:19,928 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 148 154) no Hoare annotation was computed. [2018-10-26 23:18:19,928 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 148 154) the Hoare annotation is: true [2018-10-26 23:18:19,928 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 433 441) no Hoare annotation was computed. [2018-10-26 23:18:19,928 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 433 441) the Hoare annotation is: true [2018-10-26 23:18:19,928 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 433 441) no Hoare annotation was computed. [2018-10-26 23:18:19,928 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 23:18:19,928 INFO L425 ceAbstractionStarter]: For program point L93(lines 93 97) no Hoare annotation was computed. [2018-10-26 23:18:19,929 INFO L421 ceAbstractionStarter]: At program point L93-2(lines 85 98) the Hoare annotation is: (let ((.cse1 (<= (+ ~systemActive~0 ~waterLevel~0) 2))) (let ((.cse0 (let ((.cse6 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse5 (+ ~waterLevel~0 test_~tmp~0))) (or (let ((.cse4 (+ ~pumpRunning~0 ~systemActive~0))) (and (<= 2 (+ ~waterLevel~0 test_~splverifierCounter~0)) (<= .cse4 1) (<= .cse5 2147483649) (<= 1 .cse4) (<= 0 (+ ~waterLevel~0 test_~tmp~0 2147483646)) (<= .cse6 2))) (and .cse1 (<= 1 .cse6) (<= ~waterLevel~0 ~systemActive~0) (<= .cse5 2147483648) (<= 0 (+ ~waterLevel~0 test_~tmp~0 2147483647)))))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= (+ test_~splverifierCounter~0 test_~tmp___0~0) 2147483647) (<= 0 (+ ~pumpRunning~0 test_~tmp___0~0 2147483648)) .cse2 (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse3) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-10-26 23:18:19,929 INFO L425 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2018-10-26 23:18:19,929 INFO L421 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: (let ((.cse1 (<= (+ ~systemActive~0 ~waterLevel~0) 2))) (let ((.cse0 (let ((.cse6 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse5 (+ ~waterLevel~0 test_~tmp~0))) (or (let ((.cse4 (+ ~pumpRunning~0 ~systemActive~0))) (and (<= 2 (+ ~waterLevel~0 test_~splverifierCounter~0)) (<= .cse4 1) (<= .cse5 2147483649) (<= 1 .cse4) (<= 0 (+ ~waterLevel~0 test_~tmp~0 2147483646)) (<= .cse6 2))) (and .cse1 (<= 1 .cse6) (<= ~waterLevel~0 ~systemActive~0) (<= .cse5 2147483648) (<= 0 (+ ~waterLevel~0 test_~tmp~0 2147483647)))))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= (+ test_~splverifierCounter~0 test_~tmp___0~0) 2147483647) (<= 0 (+ ~pumpRunning~0 test_~tmp___0~0 2147483648)) .cse2 (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse3) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-10-26 23:18:19,929 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2018-10-26 23:18:19,929 INFO L425 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2018-10-26 23:18:19,929 INFO L421 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse1 (<= (+ ~systemActive~0 ~waterLevel~0) 2))) (let ((.cse0 (let ((.cse6 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse5 (+ ~waterLevel~0 test_~tmp~0))) (or (let ((.cse4 (+ ~pumpRunning~0 ~systemActive~0))) (and (<= 2 (+ ~waterLevel~0 test_~splverifierCounter~0)) (<= .cse4 1) (<= .cse5 2147483649) (<= 1 .cse4) (<= 0 (+ ~waterLevel~0 test_~tmp~0 2147483646)) (<= .cse6 2))) (and .cse1 (<= 1 .cse6) (<= ~waterLevel~0 ~systemActive~0) (<= .cse5 2147483648) (<= 0 (+ ~waterLevel~0 test_~tmp~0 2147483647)))))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= (+ ~systemActive~0 test_~tmp___0~0) 2147483648) .cse2 (<= ~pumpRunning~0 (+ test_~tmp___0~0 2147483648)) .cse3) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-10-26 23:18:19,929 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-10-26 23:18:19,929 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2018-10-26 23:18:19,930 INFO L421 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (+ ~waterLevel~0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and (let ((.cse1 (+ ~pumpRunning~0 ~systemActive~0))) (and (<= 2 .cse0) (<= .cse1 1) (<= (+ ~waterLevel~0 test_~tmp~0) 2147483649) (<= 1 .cse1) (<= 0 (+ ~waterLevel~0 test_~tmp~0 2147483646)) (<= (+ ~pumpRunning~0 ~waterLevel~0) 2))) (<= (+ test_~splverifierCounter~0 test_~tmp___0~0) 2147483647) (<= 0 (+ ~pumpRunning~0 test_~tmp___0~0 2147483648)) .cse2 (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse3) (and (<= 1 .cse0) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) .cse2 .cse3) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|)))) [2018-10-26 23:18:19,930 INFO L421 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse3 (<= (+ ~systemActive~0 ~waterLevel~0) 2))) (let ((.cse0 (let ((.cse6 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse5 (+ ~waterLevel~0 test_~tmp~0))) (or (let ((.cse4 (+ ~pumpRunning~0 ~systemActive~0))) (and (<= 2 (+ ~waterLevel~0 test_~splverifierCounter~0)) (<= .cse4 1) (<= .cse5 2147483649) (<= 1 .cse4) (<= 0 (+ ~waterLevel~0 test_~tmp~0 2147483646)) (<= .cse6 2))) (and .cse3 (<= 1 .cse6) (<= ~waterLevel~0 ~systemActive~0) (<= .cse5 2147483648) (<= 0 (+ ~waterLevel~0 test_~tmp~0 2147483647)))))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= (+ test_~splverifierCounter~0 test_~tmp___0~0) 2147483647) (<= 0 (+ ~pumpRunning~0 test_~tmp___0~0 2147483648)) .cse1 (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse2) (and .cse0 .cse3 .cse1 .cse2) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-10-26 23:18:19,930 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-10-26 23:18:19,930 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2018-10-26 23:18:19,930 INFO L425 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2018-10-26 23:18:19,930 INFO L425 ceAbstractionStarter]: For program point L55-1(lines 55 102) no Hoare annotation was computed. [2018-10-26 23:18:19,930 INFO L421 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 23:18:19,930 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2018-10-26 23:18:19,931 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 382 406) the Hoare annotation is: true [2018-10-26 23:18:19,931 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 382 406) no Hoare annotation was computed. [2018-10-26 23:18:19,931 INFO L421 ceAbstractionStarter]: At program point L396(line 396) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 ~pumpRunning~0)))) (and (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 (< (+ ~pumpRunning~0 2) ~waterLevel~0)) (or (< (+ ~pumpRunning~0 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse0))) [2018-10-26 23:18:19,931 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 400) no Hoare annotation was computed. [2018-10-26 23:18:19,931 INFO L421 ceAbstractionStarter]: At program point L392(line 392) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 ~pumpRunning~0)))) (and (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 (< (+ ~pumpRunning~0 2) ~waterLevel~0)) (or (< (+ ~pumpRunning~0 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse0))) [2018-10-26 23:18:19,931 INFO L425 ceAbstractionStarter]: For program point L392-1(line 392) no Hoare annotation was computed. [2018-10-26 23:18:19,931 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 403) no Hoare annotation was computed. [2018-10-26 23:18:19,931 INFO L425 ceAbstractionStarter]: For program point L390-1(lines 382 406) no Hoare annotation was computed. [2018-10-26 23:18:19,931 INFO L428 ceAbstractionStarter]: At program point L388(line 388) the Hoare annotation is: true [2018-10-26 23:18:19,931 INFO L425 ceAbstractionStarter]: For program point L388-1(line 388) no Hoare annotation was computed. [2018-10-26 23:18:19,932 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 356 378) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 23:18:19,932 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 356 378) no Hoare annotation was computed. [2018-10-26 23:18:19,932 INFO L421 ceAbstractionStarter]: At program point L368(line 368) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= ~waterLevel~0 ~systemActive~0) (<= main_~tmp~3 (+ ~pumpRunning~0 1)) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 23:18:19,932 INFO L421 ceAbstractionStarter]: At program point L368-1(line 368) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= ~waterLevel~0 ~systemActive~0) (<= main_~tmp~3 (+ ~pumpRunning~0 1)) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 23:18:19,932 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 373) no Hoare annotation was computed. [2018-10-26 23:18:19,932 INFO L425 ceAbstractionStarter]: For program point L366-1(lines 366 373) no Hoare annotation was computed. [2018-10-26 23:18:19,932 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 356 378) no Hoare annotation was computed. [2018-10-26 23:18:19,932 INFO L425 ceAbstractionStarter]: For program point L364(line 364) no Hoare annotation was computed. [2018-10-26 23:18:19,932 INFO L421 ceAbstractionStarter]: At program point L363(line 363) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 23:18:19,933 INFO L421 ceAbstractionStarter]: At program point L362(line 362) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 23:18:19,933 INFO L421 ceAbstractionStarter]: At program point L362-1(line 362) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 23:18:19,933 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 522 530) no Hoare annotation was computed. [2018-10-26 23:18:19,933 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 522 530) the Hoare annotation is: true [2018-10-26 23:18:19,933 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 522 530) no Hoare annotation was computed. [2018-10-26 23:18:19,933 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 208 216) no Hoare annotation was computed. [2018-10-26 23:18:19,933 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 208 216) the Hoare annotation is: true [2018-10-26 23:18:19,933 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 208 216) no Hoare annotation was computed. [2018-10-26 23:18:19,933 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 23:18:19,933 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-26 23:18:19,939 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 23:18:19,939 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 253 271) the Hoare annotation is: true [2018-10-26 23:18:19,939 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2018-10-26 23:18:19,939 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 253 271) no Hoare annotation was computed. [2018-10-26 23:18:19,939 INFO L428 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: true [2018-10-26 23:18:19,940 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 266) no Hoare annotation was computed. [2018-10-26 23:18:19,940 INFO L425 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2018-10-26 23:18:19,940 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 253 271) no Hoare annotation was computed. [2018-10-26 23:18:19,940 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 513 521) the Hoare annotation is: true [2018-10-26 23:18:19,940 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 513 521) no Hoare annotation was computed. [2018-10-26 23:18:19,940 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 513 521) no Hoare annotation was computed. [2018-10-26 23:18:19,940 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 469 480) the Hoare annotation is: true [2018-10-26 23:18:19,940 INFO L425 ceAbstractionStarter]: For program point L473-1(lines 469 480) no Hoare annotation was computed. [2018-10-26 23:18:19,940 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 469 480) no Hoare annotation was computed. [2018-10-26 23:18:19,940 INFO L425 ceAbstractionStarter]: For program point L128(lines 127 146) no Hoare annotation was computed. [2018-10-26 23:18:19,940 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 124 147) the Hoare annotation is: (let ((.cse1 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse0 (+ ~systemActive~0 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3) (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) (and (<= .cse0 3) (<= 2 .cse1) .cse2) .cse3 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (or (and (<= 1 .cse1) (<= .cse0 2) .cse2) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) .cse3))) [2018-10-26 23:18:19,941 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 124 147) no Hoare annotation was computed. [2018-10-26 23:18:19,941 INFO L421 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (let ((.cse1 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse0 (+ ~systemActive~0 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3) (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) (and (<= .cse0 3) (<= 2 .cse1) .cse2) .cse3 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (or (and (<= 1 .cse1) (<= .cse0 2) .cse2) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) .cse3))) [2018-10-26 23:18:19,941 INFO L421 ceAbstractionStarter]: At program point L135(lines 135 141) the Hoare annotation is: (let ((.cse1 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse0 (+ ~systemActive~0 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3) (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) (and (<= .cse0 3) (<= 2 .cse1) .cse2) .cse3 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (or (and (<= 1 .cse1) (<= .cse0 2) .cse2) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) .cse3))) [2018-10-26 23:18:19,941 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 124 147) no Hoare annotation was computed. [2018-10-26 23:18:19,941 INFO L421 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) .cse0) (or (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3) (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) .cse0 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)))) [2018-10-26 23:18:19,941 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 282 311) no Hoare annotation was computed. [2018-10-26 23:18:19,941 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 300) no Hoare annotation was computed. [2018-10-26 23:18:19,941 INFO L428 ceAbstractionStarter]: At program point L296-1(lines 296 300) the Hoare annotation is: true [2018-10-26 23:18:19,941 INFO L425 ceAbstractionStarter]: For program point L292-1(lines 292 306) no Hoare annotation was computed. [2018-10-26 23:18:19,941 INFO L428 ceAbstractionStarter]: At program point L292-3(lines 292 306) the Hoare annotation is: true [2018-10-26 23:18:19,942 INFO L428 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: true [2018-10-26 23:18:19,942 INFO L425 ceAbstractionStarter]: For program point L288-1(line 288) no Hoare annotation was computed. [2018-10-26 23:18:19,942 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 282 311) the Hoare annotation is: true [2018-10-26 23:18:19,942 INFO L428 ceAbstractionStarter]: At program point L307(lines 282 311) the Hoare annotation is: true [2018-10-26 23:18:19,942 INFO L425 ceAbstractionStarter]: For program point L303(line 303) no Hoare annotation was computed. [2018-10-26 23:18:19,942 INFO L425 ceAbstractionStarter]: For program point L293(line 293) no Hoare annotation was computed. [2018-10-26 23:18:19,942 INFO L425 ceAbstractionStarter]: For program point L449-1(lines 445 456) no Hoare annotation was computed. [2018-10-26 23:18:19,942 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 445 456) the Hoare annotation is: true [2018-10-26 23:18:19,942 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 445 456) no Hoare annotation was computed. [2018-10-26 23:18:19,942 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 419 425) no Hoare annotation was computed. [2018-10-26 23:18:19,942 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 419 425) the Hoare annotation is: true [2018-10-26 23:18:19,942 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 23:18:19,942 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) [2018-10-26 23:18:19,943 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 23:18:19,943 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 23:18:19,943 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 336 342) no Hoare annotation was computed. [2018-10-26 23:18:19,943 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 336 342) the Hoare annotation is: true [2018-10-26 23:18:19,943 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 272 279) no Hoare annotation was computed. [2018-10-26 23:18:19,943 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 272 279) the Hoare annotation is: (let ((.cse3 (+ ~pumpRunning~0 1))) (let ((.cse1 (<= .cse3 ~systemActive~0)) (.cse0 (+ ~systemActive~0 ~waterLevel~0)) (.cse2 (< 0 (* 2 ~pumpRunning~0)))) (and (or (< (+ ~waterLevel~0 |old(~systemActive~0)|) 3) (< ~waterLevel~0 (+ |old(~systemActive~0)| 1)) (and (<= .cse0 3) .cse1) .cse2 (< (+ ~pumpRunning~0 2) ~waterLevel~0)) (or (and .cse1 (<= .cse0 2)) (< .cse3 |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= ~waterLevel~0 1)) .cse2)))) [2018-10-26 23:18:19,943 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 272 279) no Hoare annotation was computed. [2018-10-26 23:18:19,943 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 457 468) no Hoare annotation was computed. [2018-10-26 23:18:19,943 INFO L425 ceAbstractionStarter]: For program point L461-1(lines 457 468) no Hoare annotation was computed. [2018-10-26 23:18:19,943 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 457 468) the Hoare annotation is: (let ((.cse1 (+ ~systemActive~0 ~waterLevel~0)) (.cse0 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse2 (< 0 (* 2 ~pumpRunning~0)))) (and (or (and (<= 1 .cse0) (<= .cse1 2)) (< (+ ~pumpRunning~0 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) .cse2) (or (and (<= .cse1 3) (<= 2 .cse0)) (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3) (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) .cse2 (< (+ ~pumpRunning~0 2) |old(~waterLevel~0)|)))) [2018-10-26 23:18:19,943 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 532 539) no Hoare annotation was computed. [2018-10-26 23:18:19,944 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 536) no Hoare annotation was computed. [2018-10-26 23:18:19,944 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 532 539) the Hoare annotation is: true [2018-10-26 23:18:19,944 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 532 539) no Hoare annotation was computed. [2018-10-26 23:18:19,944 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 343 352) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 23:18:19,944 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 343 352) no Hoare annotation was computed. [2018-10-26 23:18:19,944 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 343 352) no Hoare annotation was computed. [2018-10-26 23:18:19,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 11:18:19 BoogieIcfgContainer [2018-10-26 23:18:19,972 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 23:18:19,972 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:18:19,972 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:18:19,972 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:18:19,973 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:17:30" (3/4) ... [2018-10-26 23:18:19,977 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 23:18:19,982 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 23:18:19,983 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-26 23:18:19,983 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-26 23:18:19,983 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 23:18:19,983 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-26 23:18:19,983 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-26 23:18:19,983 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-10-26 23:18:19,983 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 23:18:19,983 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-10-26 23:18:19,983 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-26 23:18:19,983 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 23:18:19,983 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-10-26 23:18:19,983 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-10-26 23:18:19,984 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 23:18:19,984 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 23:18:19,984 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 23:18:19,984 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-26 23:18:19,984 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-26 23:18:19,984 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-26 23:18:19,984 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-10-26 23:18:19,985 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 23:18:19,985 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-26 23:18:19,985 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-26 23:18:19,996 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 137 nodes and edges [2018-10-26 23:18:19,997 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 23:18:19,997 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-26 23:18:20,023 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((2 <= waterLevel + splverifierCounter && pumpRunning + systemActive <= 1) && waterLevel + tmp <= 2147483649) && 1 <= pumpRunning + systemActive) && 0 <= waterLevel + tmp + 2147483646) && pumpRunning + waterLevel <= 2) && splverifierCounter + tmp___0 <= 2147483647) && 0 <= pumpRunning + tmp___0 + 2147483648) && pumpRunning == 0) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0) || ((((1 <= waterLevel + splverifierCounter && pumpRunning + 1 <= systemActive) && systemActive + waterLevel <= 2) && pumpRunning == 0) && splverifierCounter == 0)) || \old(pumpRunning) + 1 < \old(systemActive)) || 2 * \old(systemActive) < 2) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) [2018-10-26 23:18:20,024 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(pumpRunning) + 1 < \old(systemActive) || 2 * \old(systemActive) < 2) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) [2018-10-26 23:18:20,069 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_47576683-6cea-449a-b72a-068a25c67615/bin-2019/utaipan/witness.graphml [2018-10-26 23:18:20,069 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:18:20,069 INFO L168 Benchmark]: Toolchain (without parser) took 50893.38 ms. Allocated memory was 1.0 GB in the beginning and 5.1 GB in the end (delta: 4.1 GB). Free memory was 959.8 MB in the beginning and 4.3 GB in the end (delta: -3.3 GB). Peak memory consumption was 713.2 MB. Max. memory is 11.5 GB. [2018-10-26 23:18:20,070 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:18:20,070 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.29 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 933.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 23:18:20,070 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 933.0 MB in the beginning and 1.1 GB in the end (delta: -216.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-10-26 23:18:20,070 INFO L168 Benchmark]: Boogie Preprocessor took 42.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:18:20,071 INFO L168 Benchmark]: RCFGBuilder took 1022.45 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: 84.1 MB). Peak memory consumption was 84.1 MB. Max. memory is 11.5 GB. [2018-10-26 23:18:20,071 INFO L168 Benchmark]: TraceAbstraction took 49181.33 ms. Allocated memory was 1.2 GB in the beginning and 5.1 GB in the end (delta: 3.9 GB). Free memory was 1.1 GB in the beginning and 4.3 GB in the end (delta: -3.2 GB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. [2018-10-26 23:18:20,074 INFO L168 Benchmark]: Witness Printer took 96.62 ms. Allocated memory is still 5.1 GB. Free memory was 4.3 GB in the beginning and 4.3 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-10-26 23:18:20,075 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 421.29 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 933.0 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 124.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 933.0 MB in the beginning and 1.1 GB in the end (delta: -216.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1022.45 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: 84.1 MB). Peak memory consumption was 84.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 49181.33 ms. Allocated memory was 1.2 GB in the beginning and 5.1 GB in the end (delta: 3.9 GB). Free memory was 1.1 GB in the beginning and 4.3 GB in the end (delta: -3.2 GB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. * Witness Printer took 96.62 ms. Allocated memory is still 5.1 GB. Free memory was 4.3 GB in the beginning and 4.3 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 536]: 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: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((\old(pumpRunning) + 1 < \old(systemActive) || 2 * \old(systemActive) < 2) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (((((((((((((((2 <= waterLevel + splverifierCounter && pumpRunning + systemActive <= 1) && waterLevel + tmp <= 2147483649) && 1 <= pumpRunning + systemActive) && 0 <= waterLevel + tmp + 2147483646) && pumpRunning + waterLevel <= 2) && splverifierCounter + tmp___0 <= 2147483647) && 0 <= pumpRunning + tmp___0 + 2147483648) && pumpRunning == 0) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0) || ((((1 <= waterLevel + splverifierCounter && pumpRunning + 1 <= systemActive) && systemActive + waterLevel <= 2) && pumpRunning == 0) && splverifierCounter == 0)) || \old(pumpRunning) + 1 < \old(systemActive)) || 2 * \old(systemActive) < 2) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 123 locations, 1 error locations. SAFE Result, 49.0s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 25.1s AutomataDifference, 0.0s DeadEndRemovalTime, 5.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 670 SDtfs, 579 SDslu, 1827 SDs, 0 SdLazy, 971 SolverSat, 156 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.8s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 155 GetRequests, 96 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=228occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.992556494944726 AbsIntWeakeningRatio, 1.0 AbsIntAvgWeakeningVarsNumRemoved, 7216.940594059406 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 298 PreInvPairs, 322 NumberOfFragments, 1994 HoareAnnotationTreeSize, 298 FomulaSimplifications, 2450 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 51 FomulaSimplificationsInter, 19798 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 379 NumberOfCodeBlocks, 379 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 373 ConstructedInterpolants, 0 QuantifiedInterpolants, 52009 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 29/33 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...