./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product28_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_c4afe9a9-efb6-4a5d-8758-bf924bc25789/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c4afe9a9-efb6-4a5d-8758-bf924bc25789/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c4afe9a9-efb6-4a5d-8758-bf924bc25789/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c4afe9a9-efb6-4a5d-8758-bf924bc25789/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product28_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c4afe9a9-efb6-4a5d-8758-bf924bc25789/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c4afe9a9-efb6-4a5d-8758-bf924bc25789/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 84841b0b7c643c254d02f565fa50ff7ee5853434 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:20:39,947 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:20:39,949 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:20:39,960 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:20:39,961 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:20:39,961 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:20:39,962 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:20:39,963 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:20:39,964 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:20:39,965 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:20:39,965 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:20:39,966 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:20:39,970 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:20:39,971 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:20:39,978 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:20:39,978 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:20:39,979 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:20:39,980 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:20:39,981 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:20:39,984 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:20:39,985 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:20:39,986 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:20:39,987 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:20:39,987 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:20:39,987 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:20:39,988 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:20:39,989 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:20:39,989 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:20:39,990 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:20:39,994 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:20:39,995 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:20:39,996 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:20:39,997 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:20:39,997 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:20:39,998 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:20:39,999 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:20:40,000 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c4afe9a9-efb6-4a5d-8758-bf924bc25789/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 23:20:40,012 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:20:40,016 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:20:40,017 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:20:40,018 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 23:20:40,018 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 23:20:40,018 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 23:20:40,018 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 23:20:40,019 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 23:20:40,019 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 23:20:40,019 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 23:20:40,019 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 23:20:40,020 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:20:40,021 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:20:40,022 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:20:40,022 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:20:40,022 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:20:40,022 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:20:40,022 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:20:40,022 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:20:40,022 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:20:40,022 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:20:40,023 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:20:40,023 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:20:40,023 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 23:20:40,023 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:20:40,023 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 23:20:40,023 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:20:40,023 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:20:40,024 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:20:40,024 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:20:40,024 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 23:20:40,024 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:20:40,024 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:20:40,024 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 23:20:40,024 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_c4afe9a9-efb6-4a5d-8758-bf924bc25789/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 -> 84841b0b7c643c254d02f565fa50ff7ee5853434 [2018-10-26 23:20:40,070 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:20:40,080 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:20:40,085 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:20:40,087 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:20:40,087 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:20:40,087 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c4afe9a9-efb6-4a5d-8758-bf924bc25789/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product28_true-unreach-call_false-termination.cil.c [2018-10-26 23:20:40,140 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c4afe9a9-efb6-4a5d-8758-bf924bc25789/bin-2019/utaipan/data/f12618d18/8ddecca22f0a40a68c28f69f4406fc1c/FLAG9c13fbe23 [2018-10-26 23:20:40,541 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:20:40,542 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c4afe9a9-efb6-4a5d-8758-bf924bc25789/sv-benchmarks/c/product-lines/minepump_spec1_product28_true-unreach-call_false-termination.cil.c [2018-10-26 23:20:40,552 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c4afe9a9-efb6-4a5d-8758-bf924bc25789/bin-2019/utaipan/data/f12618d18/8ddecca22f0a40a68c28f69f4406fc1c/FLAG9c13fbe23 [2018-10-26 23:20:40,564 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c4afe9a9-efb6-4a5d-8758-bf924bc25789/bin-2019/utaipan/data/f12618d18/8ddecca22f0a40a68c28f69f4406fc1c [2018-10-26 23:20:40,567 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:20:40,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:20:40,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:20:40,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:20:40,572 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:20:40,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:20:40" (1/1) ... [2018-10-26 23:20:40,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ebf8acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:20:40, skipping insertion in model container [2018-10-26 23:20:40,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:20:40" (1/1) ... [2018-10-26 23:20:40,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:20:40,627 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:20:40,861 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:20:40,870 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:20:40,947 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:20:40,973 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:20:40,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:20:40 WrapperNode [2018-10-26 23:20:40,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:20:40,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:20:40,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:20:40,976 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:20:40,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:20:40" (1/1) ... [2018-10-26 23:20:40,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:20:40" (1/1) ... [2018-10-26 23:20:41,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:20:41,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:20:41,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:20:41,087 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:20:41,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:20:40" (1/1) ... [2018-10-26 23:20:41,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:20:40" (1/1) ... [2018-10-26 23:20:41,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:20:40" (1/1) ... [2018-10-26 23:20:41,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:20:40" (1/1) ... [2018-10-26 23:20:41,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:20:40" (1/1) ... [2018-10-26 23:20:41,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:20:40" (1/1) ... [2018-10-26 23:20:41,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:20:40" (1/1) ... [2018-10-26 23:20:41,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:20:41,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:20:41,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:20:41,130 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:20:41,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:20:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c4afe9a9-efb6-4a5d-8758-bf924bc25789/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 23:20:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-26 23:20:41,196 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-26 23:20:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 23:20:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 23:20:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-10-26 23:20:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-10-26 23:20:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-10-26 23:20:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-10-26 23:20:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-26 23:20:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-26 23:20:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-26 23:20:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-26 23:20:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 23:20:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 23:20:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-26 23:20:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-26 23:20:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-10-26 23:20:41,199 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-10-26 23:20:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 23:20:41,199 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 23:20:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 23:20:41,199 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 23:20:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 23:20:41,199 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 23:20:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-26 23:20:41,199 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-26 23:20:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-10-26 23:20:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-10-26 23:20:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 23:20:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 23:20:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-26 23:20:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-26 23:20:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-26 23:20:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-26 23:20:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-26 23:20:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-26 23:20:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-26 23:20:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-26 23:20:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 23:20:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 23:20:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 23:20:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 23:20:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 23:20:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 23:20:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:20:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:20:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-26 23:20:41,208 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-26 23:20:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-10-26 23:20:41,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-10-26 23:20:42,257 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:20:42,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:20:42 BoogieIcfgContainer [2018-10-26 23:20:42,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:20:42,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 23:20:42,259 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 23:20:42,262 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 23:20:42,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 11:20:40" (1/3) ... [2018-10-26 23:20:42,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b7334f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:20:42, skipping insertion in model container [2018-10-26 23:20:42,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:20:40" (2/3) ... [2018-10-26 23:20:42,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b7334f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:20:42, skipping insertion in model container [2018-10-26 23:20:42,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:20:42" (3/3) ... [2018-10-26 23:20:42,265 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product28_true-unreach-call_false-termination.cil.c [2018-10-26 23:20:42,275 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 23:20:42,282 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 23:20:42,297 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 23:20:42,325 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 23:20:42,326 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 23:20:42,326 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 23:20:42,326 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 23:20:42,326 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 23:20:42,327 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 23:20:42,327 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 23:20:42,327 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 23:20:42,346 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2018-10-26 23:20:42,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 23:20:42,353 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:20:42,355 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 23:20:42,357 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:20:42,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:20:42,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1235113772, now seen corresponding path program 1 times [2018-10-26 23:20:42,365 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:20:42,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:20:42,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:20:42,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:20:42,407 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:20:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:20:42,613 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 23:20:42,618 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:20:42,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 23:20:42,619 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:20:42,624 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 23:20:42,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 23:20:42,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 23:20:42,638 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2018-10-26 23:20:42,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:20:42,669 INFO L93 Difference]: Finished difference Result 232 states and 287 transitions. [2018-10-26 23:20:42,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 23:20:42,670 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-10-26 23:20:42,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:20:42,681 INFO L225 Difference]: With dead ends: 232 [2018-10-26 23:20:42,681 INFO L226 Difference]: Without dead ends: 116 [2018-10-26 23:20:42,684 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 23:20:42,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-10-26 23:20:42,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-10-26 23:20:42,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-10-26 23:20:42,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 135 transitions. [2018-10-26 23:20:42,730 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 135 transitions. Word has length 46 [2018-10-26 23:20:42,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:20:42,731 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 135 transitions. [2018-10-26 23:20:42,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 23:20:42,731 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 135 transitions. [2018-10-26 23:20:42,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 23:20:42,734 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:20:42,734 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 23:20:42,734 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:20:42,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:20:42,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1550780020, now seen corresponding path program 1 times [2018-10-26 23:20:42,734 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:20:42,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:20:42,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:20:42,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:20:42,736 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:20:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:20:42,859 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 23:20:42,859 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:20:42,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 23:20:42,859 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:20:42,861 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 23:20:42,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 23:20:42,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:20:42,862 INFO L87 Difference]: Start difference. First operand 116 states and 135 transitions. Second operand 3 states. [2018-10-26 23:20:42,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:20:42,890 INFO L93 Difference]: Finished difference Result 169 states and 195 transitions. [2018-10-26 23:20:42,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 23:20:42,891 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-10-26 23:20:42,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:20:42,892 INFO L225 Difference]: With dead ends: 169 [2018-10-26 23:20:42,893 INFO L226 Difference]: Without dead ends: 106 [2018-10-26 23:20:42,894 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 23:20:42,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-10-26 23:20:42,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-10-26 23:20:42,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-10-26 23:20:42,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2018-10-26 23:20:42,914 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 48 [2018-10-26 23:20:42,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:20:42,914 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2018-10-26 23:20:42,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 23:20:42,915 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2018-10-26 23:20:42,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 23:20:42,917 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:20:42,917 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 23:20:42,917 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:20:42,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:20:42,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1075809636, now seen corresponding path program 1 times [2018-10-26 23:20:42,918 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:20:42,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:20:42,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:20:42,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:20:42,919 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:20:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:20:43,117 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 23:20:43,117 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:20:43,117 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 23:20:43,118 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:20:43,118 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 23:20:43,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 23:20:43,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 23:20:43,119 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 7 states. [2018-10-26 23:20:43,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:20:43,998 INFO L93 Difference]: Finished difference Result 321 states and 387 transitions. [2018-10-26 23:20:43,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 23:20:43,998 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-10-26 23:20:43,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:20:44,000 INFO L225 Difference]: With dead ends: 321 [2018-10-26 23:20:44,000 INFO L226 Difference]: Without dead ends: 239 [2018-10-26 23:20:44,001 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-26 23:20:44,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-10-26 23:20:44,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 227. [2018-10-26 23:20:44,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-10-26 23:20:44,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 273 transitions. [2018-10-26 23:20:44,030 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 273 transitions. Word has length 53 [2018-10-26 23:20:44,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:20:44,031 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 273 transitions. [2018-10-26 23:20:44,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 23:20:44,031 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 273 transitions. [2018-10-26 23:20:44,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-26 23:20:44,033 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:20:44,033 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] [2018-10-26 23:20:44,033 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:20:44,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:20:44,034 INFO L82 PathProgramCache]: Analyzing trace with hash 619856232, now seen corresponding path program 1 times [2018-10-26 23:20:44,034 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:20:44,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:20:44,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:20:44,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:20:44,035 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:20:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:20:44,501 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 23:20:44,502 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:20:44,502 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 23:20:44,502 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:20:44,504 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 23:20:44,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 23:20:44,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 23:20:44,505 INFO L87 Difference]: Start difference. First operand 227 states and 273 transitions. Second operand 6 states. [2018-10-26 23:20:44,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:20:44,906 INFO L93 Difference]: Finished difference Result 618 states and 767 transitions. [2018-10-26 23:20:44,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 23:20:44,908 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-10-26 23:20:44,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:20:44,911 INFO L225 Difference]: With dead ends: 618 [2018-10-26 23:20:44,911 INFO L226 Difference]: Without dead ends: 415 [2018-10-26 23:20:44,913 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-26 23:20:44,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2018-10-26 23:20:44,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 409. [2018-10-26 23:20:44,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2018-10-26 23:20:44,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 496 transitions. [2018-10-26 23:20:44,955 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 496 transitions. Word has length 58 [2018-10-26 23:20:44,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:20:44,956 INFO L481 AbstractCegarLoop]: Abstraction has 409 states and 496 transitions. [2018-10-26 23:20:44,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 23:20:44,956 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 496 transitions. [2018-10-26 23:20:44,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-26 23:20:44,959 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:20:44,959 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] [2018-10-26 23:20:44,959 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:20:44,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:20:44,959 INFO L82 PathProgramCache]: Analyzing trace with hash -740365844, now seen corresponding path program 1 times [2018-10-26 23:20:44,960 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:20:44,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:20:44,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:20:44,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:20:44,961 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:20:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:20:45,166 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 23:20:45,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:20:45,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 23:20:45,167 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:20:45,167 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 23:20:45,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 23:20:45,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 23:20:45,167 INFO L87 Difference]: Start difference. First operand 409 states and 496 transitions. Second operand 7 states. [2018-10-26 23:20:45,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:20:45,535 INFO L93 Difference]: Finished difference Result 689 states and 860 transitions. [2018-10-26 23:20:45,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 23:20:45,536 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2018-10-26 23:20:45,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:20:45,537 INFO L225 Difference]: With dead ends: 689 [2018-10-26 23:20:45,537 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 23:20:45,540 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-10-26 23:20:45,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 23:20:45,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 23:20:45,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 23:20:45,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 23:20:45,541 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2018-10-26 23:20:45,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:20:45,541 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 23:20:45,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 23:20:45,541 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 23:20:45,542 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 23:20:45,545 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 23:20:45,918 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 9 [2018-10-26 23:20:46,259 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 11 [2018-10-26 23:20:46,715 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 829 835) the Hoare annotation is: true [2018-10-26 23:20:46,715 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 829 835) no Hoare annotation was computed. [2018-10-26 23:20:46,715 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 836 844) no Hoare annotation was computed. [2018-10-26 23:20:46,715 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 836 844) the Hoare annotation is: true [2018-10-26 23:20:46,716 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 836 844) no Hoare annotation was computed. [2018-10-26 23:20:46,716 INFO L421 ceAbstractionStarter]: At program point L930-1(line 930) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~8 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 23:20:46,716 INFO L425 ceAbstractionStarter]: For program point L928(lines 928 935) no Hoare annotation was computed. [2018-10-26 23:20:46,716 INFO L425 ceAbstractionStarter]: For program point L928-1(lines 928 935) no Hoare annotation was computed. [2018-10-26 23:20:46,716 INFO L425 ceAbstractionStarter]: For program point L926(line 926) no Hoare annotation was computed. [2018-10-26 23:20:46,716 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 918 940) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 23:20:46,716 INFO L421 ceAbstractionStarter]: At program point L925(line 925) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 23:20:46,716 INFO L421 ceAbstractionStarter]: At program point L924(line 924) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 23:20:46,716 INFO L421 ceAbstractionStarter]: At program point L924-1(line 924) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 23:20:46,717 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 918 940) no Hoare annotation was computed. [2018-10-26 23:20:46,717 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 918 940) no Hoare annotation was computed. [2018-10-26 23:20:46,717 INFO L421 ceAbstractionStarter]: At program point L930(line 930) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~8 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 23:20:46,717 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 758 772) no Hoare annotation was computed. [2018-10-26 23:20:46,717 INFO L421 ceAbstractionStarter]: At program point L764(line 764) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-10-26 23:20:46,717 INFO L425 ceAbstractionStarter]: For program point L762(lines 762 768) no Hoare annotation was computed. [2018-10-26 23:20:46,717 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 758 772) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-10-26 23:20:46,717 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 758 772) no Hoare annotation was computed. [2018-10-26 23:20:46,717 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 694 702) no Hoare annotation was computed. [2018-10-26 23:20:46,717 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 694 702) the Hoare annotation is: true [2018-10-26 23:20:46,717 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 694 702) no Hoare annotation was computed. [2018-10-26 23:20:46,718 INFO L425 ceAbstractionStarter]: For program point L748(lines 748 752) no Hoare annotation was computed. [2018-10-26 23:20:46,718 INFO L428 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: true [2018-10-26 23:20:46,718 INFO L425 ceAbstractionStarter]: For program point L748-2(lines 748 752) no Hoare annotation was computed. [2018-10-26 23:20:46,718 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 739 757) the Hoare annotation is: true [2018-10-26 23:20:46,718 INFO L425 ceAbstractionStarter]: For program point L746-1(line 746) no Hoare annotation was computed. [2018-10-26 23:20:46,718 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 739 757) no Hoare annotation was computed. [2018-10-26 23:20:46,718 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 739 757) no Hoare annotation was computed. [2018-10-26 23:20:46,718 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 822 828) no Hoare annotation was computed. [2018-10-26 23:20:46,718 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 822 828) the Hoare annotation is: true [2018-10-26 23:20:46,718 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 908 917) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 23:20:46,718 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 908 917) no Hoare annotation was computed. [2018-10-26 23:20:46,718 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 908 917) no Hoare annotation was computed. [2018-10-26 23:20:46,719 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 675 682) the Hoare annotation is: true [2018-10-26 23:20:46,719 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 675 682) no Hoare annotation was computed. [2018-10-26 23:20:46,719 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 675 682) no Hoare annotation was computed. [2018-10-26 23:20:46,719 INFO L421 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-26 23:20:46,719 INFO L421 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-26 23:20:46,719 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 640) no Hoare annotation was computed. [2018-10-26 23:20:46,719 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 624 648) no Hoare annotation was computed. [2018-10-26 23:20:46,719 INFO L421 ceAbstractionStarter]: At program point L630(line 630) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-26 23:20:46,719 INFO L425 ceAbstractionStarter]: For program point L630-1(line 630) no Hoare annotation was computed. [2018-10-26 23:20:46,719 INFO L425 ceAbstractionStarter]: For program point L628(lines 628 645) no Hoare annotation was computed. [2018-10-26 23:20:46,719 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 624 648) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-10-26 23:20:46,720 INFO L421 ceAbstractionStarter]: At program point L643(line 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-10-26 23:20:46,720 INFO L425 ceAbstractionStarter]: For program point L643-1(lines 624 648) no Hoare annotation was computed. [2018-10-26 23:20:46,720 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 616 622) no Hoare annotation was computed. [2018-10-26 23:20:46,720 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 616 622) the Hoare annotation is: true [2018-10-26 23:20:46,720 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 551) no Hoare annotation was computed. [2018-10-26 23:20:46,720 INFO L425 ceAbstractionStarter]: For program point L545-1(lines 545 551) no Hoare annotation was computed. [2018-10-26 23:20:46,720 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 515 582) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 23:20:46,720 INFO L421 ceAbstractionStarter]: At program point L572(lines 525 574) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 23:20:46,720 INFO L421 ceAbstractionStarter]: At program point L537(line 537) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 23:20:46,720 INFO L425 ceAbstractionStarter]: For program point L535(lines 535 541) no Hoare annotation was computed. [2018-10-26 23:20:46,720 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 515 582) no Hoare annotation was computed. [2018-10-26 23:20:46,721 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 535 541) no Hoare annotation was computed. [2018-10-26 23:20:46,721 INFO L425 ceAbstractionStarter]: For program point L527(lines 527 531) no Hoare annotation was computed. [2018-10-26 23:20:46,721 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 525 574) no Hoare annotation was computed. [2018-10-26 23:20:46,721 INFO L421 ceAbstractionStarter]: At program point L575(lines 524 576) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 23:20:46,721 INFO L421 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 23:20:46,721 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 569) no Hoare annotation was computed. [2018-10-26 23:20:46,721 INFO L421 ceAbstractionStarter]: At program point L563-1(lines 555 570) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 23:20:46,721 INFO L425 ceAbstractionStarter]: For program point L526(lines 525 574) no Hoare annotation was computed. [2018-10-26 23:20:46,721 INFO L421 ceAbstractionStarter]: At program point L557(line 557) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 23:20:46,721 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 570) no Hoare annotation was computed. [2018-10-26 23:20:46,721 INFO L421 ceAbstractionStarter]: At program point L547(line 547) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 23:20:46,722 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 515 582) no Hoare annotation was computed. [2018-10-26 23:20:46,722 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 501 509) no Hoare annotation was computed. [2018-10-26 23:20:46,722 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 501 509) the Hoare annotation is: true [2018-10-26 23:20:46,722 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 501 509) no Hoare annotation was computed. [2018-10-26 23:20:46,722 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 23:20:46,722 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-10-26 23:20:46,722 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 23:20:46,722 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 448 459) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-10-26 23:20:46,722 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 448 459) no Hoare annotation was computed. [2018-10-26 23:20:46,722 INFO L425 ceAbstractionStarter]: For program point L452-1(lines 448 459) no Hoare annotation was computed. [2018-10-26 23:20:46,722 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 460 468) the Hoare annotation is: true [2018-10-26 23:20:46,723 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 460 468) no Hoare annotation was computed. [2018-10-26 23:20:46,723 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 460 468) no Hoare annotation was computed. [2018-10-26 23:20:46,723 INFO L421 ceAbstractionStarter]: At program point L605(line 605) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-10-26 23:20:46,723 INFO L421 ceAbstractionStarter]: At program point L603(lines 603 609) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-10-26 23:20:46,723 INFO L421 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-10-26 23:20:46,723 INFO L425 ceAbstractionStarter]: For program point L596(lines 595 614) no Hoare annotation was computed. [2018-10-26 23:20:46,723 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 592 615) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-10-26 23:20:46,723 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 592 615) no Hoare annotation was computed. [2018-10-26 23:20:46,723 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 592 615) no Hoare annotation was computed. [2018-10-26 23:20:46,723 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 847 876) no Hoare annotation was computed. [2018-10-26 23:20:46,723 INFO L425 ceAbstractionStarter]: For program point L861(lines 861 865) no Hoare annotation was computed. [2018-10-26 23:20:46,724 INFO L428 ceAbstractionStarter]: At program point L861-1(lines 861 865) the Hoare annotation is: true [2018-10-26 23:20:46,724 INFO L425 ceAbstractionStarter]: For program point L857-1(lines 857 871) no Hoare annotation was computed. [2018-10-26 23:20:46,724 INFO L428 ceAbstractionStarter]: At program point L857-3(lines 857 871) the Hoare annotation is: true [2018-10-26 23:20:46,724 INFO L428 ceAbstractionStarter]: At program point L853(line 853) the Hoare annotation is: true [2018-10-26 23:20:46,724 INFO L425 ceAbstractionStarter]: For program point L853-1(line 853) no Hoare annotation was computed. [2018-10-26 23:20:46,724 INFO L428 ceAbstractionStarter]: At program point L872(lines 847 876) the Hoare annotation is: true [2018-10-26 23:20:46,724 INFO L425 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-10-26 23:20:46,724 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 847 876) the Hoare annotation is: true [2018-10-26 23:20:46,724 INFO L425 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-10-26 23:20:46,724 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 424 435) the Hoare annotation is: true [2018-10-26 23:20:46,724 INFO L425 ceAbstractionStarter]: For program point L428-1(lines 424 435) no Hoare annotation was computed. [2018-10-26 23:20:46,725 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 424 435) no Hoare annotation was computed. [2018-10-26 23:20:46,725 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 23:20:46,725 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-10-26 23:20:46,725 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 23:20:46,725 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 23:20:46,725 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 901 907) no Hoare annotation was computed. [2018-10-26 23:20:46,725 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 901 907) the Hoare annotation is: true [2018-10-26 23:20:46,725 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 773 780) no Hoare annotation was computed. [2018-10-26 23:20:46,725 INFO L428 ceAbstractionStarter]: At program point startSystemENTRY(lines 773 780) the Hoare annotation is: true [2018-10-26 23:20:46,725 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 773 780) no Hoare annotation was computed. [2018-10-26 23:20:46,725 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 436 447) no Hoare annotation was computed. [2018-10-26 23:20:46,725 INFO L425 ceAbstractionStarter]: For program point L440-1(lines 436 447) no Hoare annotation was computed. [2018-10-26 23:20:46,726 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 436 447) the Hoare annotation is: true [2018-10-26 23:20:46,726 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-10-26 23:20:46,726 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-10-26 23:20:46,726 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-10-26 23:20:46,726 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-10-26 23:20:46,726 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 782 806) the Hoare annotation is: true [2018-10-26 23:20:46,726 INFO L421 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-10-26 23:20:46,726 INFO L425 ceAbstractionStarter]: For program point L794(lines 794 800) no Hoare annotation was computed. [2018-10-26 23:20:46,726 INFO L421 ceAbstractionStarter]: At program point L792(line 792) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-10-26 23:20:46,726 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 782 806) no Hoare annotation was computed. [2018-10-26 23:20:46,727 INFO L425 ceAbstractionStarter]: For program point L792-1(line 792) no Hoare annotation was computed. [2018-10-26 23:20:46,727 INFO L425 ceAbstractionStarter]: For program point L790(lines 790 803) no Hoare annotation was computed. [2018-10-26 23:20:46,727 INFO L425 ceAbstractionStarter]: For program point L790-1(lines 782 806) no Hoare annotation was computed. [2018-10-26 23:20:46,727 INFO L428 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: true [2018-10-26 23:20:46,727 INFO L425 ceAbstractionStarter]: For program point L788-1(line 788) no Hoare annotation was computed. [2018-10-26 23:20:46,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 11:20:46 BoogieIcfgContainer [2018-10-26 23:20:46,737 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 23:20:46,737 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:20:46,737 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:20:46,738 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:20:46,738 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:20:42" (3/4) ... [2018-10-26 23:20:46,741 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 23:20:46,747 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-26 23:20:46,747 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-26 23:20:46,747 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 23:20:46,747 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-10-26 23:20:46,747 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-26 23:20:46,747 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-10-26 23:20:46,747 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-26 23:20:46,747 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-26 23:20:46,747 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 23:20:46,748 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-26 23:20:46,748 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 23:20:46,748 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-26 23:20:46,748 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-10-26 23:20:46,748 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 23:20:46,748 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 23:20:46,748 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 23:20:46,748 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 23:20:46,748 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 23:20:46,748 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-26 23:20:46,749 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-26 23:20:46,749 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-10-26 23:20:46,749 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 23:20:46,749 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-26 23:20:46,749 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-10-26 23:20:46,775 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 138 nodes and edges [2018-10-26 23:20:46,775 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 23:20:46,776 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-26 23:20:46,807 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-10-26 23:20:46,808 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-10-26 23:20:46,865 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c4afe9a9-efb6-4a5d-8758-bf924bc25789/bin-2019/utaipan/witness.graphml [2018-10-26 23:20:46,865 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:20:46,867 INFO L168 Benchmark]: Toolchain (without parser) took 6299.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.6 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -104.5 MB). Peak memory consumption was 113.0 MB. Max. memory is 11.5 GB. [2018-10-26 23:20:46,867 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:20:46,868 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.92 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 928.9 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2018-10-26 23:20:46,868 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 928.9 MB in the beginning and 1.1 GB in the end (delta: -212.1 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-10-26 23:20:46,868 INFO L168 Benchmark]: Boogie Preprocessor took 41.97 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-10-26 23:20:46,868 INFO L168 Benchmark]: RCFGBuilder took 1128.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 87.4 MB). Peak memory consumption was 87.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:20:46,869 INFO L168 Benchmark]: TraceAbstraction took 4478.51 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -23.2 MB). Peak memory consumption was 253.0 MB. Max. memory is 11.5 GB. [2018-10-26 23:20:46,869 INFO L168 Benchmark]: Witness Printer took 127.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2018-10-26 23:20:46,871 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 406.92 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 928.9 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 111.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 928.9 MB in the beginning and 1.1 GB in the end (delta: -212.1 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.97 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1128.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 87.4 MB). Peak memory consumption was 87.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4478.51 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -23.2 MB). Peak memory consumption was 253.0 MB. Max. memory is 11.5 GB. * Witness Printer took 127.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 524]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 129 locations, 1 error locations. SAFE Result, 4.4s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.7s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 634 SDtfs, 364 SDslu, 1220 SDs, 0 SdLazy, 413 SolverSat, 71 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=409occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 444 PreInvPairs, 491 NumberOfFragments, 500 HoareAnnotationTreeSize, 444 FomulaSimplifications, 443 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 54 FomulaSimplificationsInter, 1838 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 267 NumberOfCodeBlocks, 267 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 26986 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...