./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product30_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_f86a8811-96fe-4d9b-93e4-4915a4b772c9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f86a8811-96fe-4d9b-93e4-4915a4b772c9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f86a8811-96fe-4d9b-93e4-4915a4b772c9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f86a8811-96fe-4d9b-93e4-4915a4b772c9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product30_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f86a8811-96fe-4d9b-93e4-4915a4b772c9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f86a8811-96fe-4d9b-93e4-4915a4b772c9/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 1d0026e76f5b8e958e588041cb7bf523794c6674 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 09:55:20,977 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 09:55:20,978 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 09:55:20,986 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 09:55:20,987 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 09:55:20,987 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 09:55:20,988 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 09:55:20,989 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 09:55:20,990 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 09:55:20,991 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 09:55:20,992 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 09:55:20,992 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 09:55:20,993 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 09:55:20,993 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 09:55:20,994 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 09:55:20,995 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 09:55:20,995 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 09:55:20,996 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 09:55:20,998 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 09:55:20,999 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 09:55:21,000 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 09:55:21,000 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 09:55:21,002 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 09:55:21,002 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 09:55:21,002 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 09:55:21,003 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 09:55:21,003 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 09:55:21,004 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 09:55:21,004 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 09:55:21,005 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 09:55:21,005 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 09:55:21,006 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 09:55:21,006 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 09:55:21,006 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 09:55:21,007 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 09:55:21,007 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 09:55:21,007 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f86a8811-96fe-4d9b-93e4-4915a4b772c9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 09:55:21,016 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 09:55:21,017 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 09:55:21,017 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 09:55:21,017 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 09:55:21,018 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 09:55:21,018 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 09:55:21,018 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 09:55:21,018 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 09:55:21,018 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 09:55:21,018 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 09:55:21,018 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 09:55:21,019 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 09:55:21,019 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 09:55:21,019 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 09:55:21,019 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 09:55:21,019 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 09:55:21,020 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 09:55:21,020 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 09:55:21,020 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 09:55:21,020 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 09:55:21,020 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 09:55:21,020 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 09:55:21,020 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 09:55:21,021 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 09:55:21,021 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 09:55:21,021 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 09:55:21,021 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 09:55:21,021 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 09:55:21,021 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 09:55:21,021 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 09:55:21,022 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 09:55:21,022 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 09:55:21,022 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 09:55:21,022 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 09:55:21,022 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_f86a8811-96fe-4d9b-93e4-4915a4b772c9/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 -> 1d0026e76f5b8e958e588041cb7bf523794c6674 [2018-11-10 09:55:21,045 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 09:55:21,055 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 09:55:21,057 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 09:55:21,057 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 09:55:21,058 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 09:55:21,058 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f86a8811-96fe-4d9b-93e4-4915a4b772c9/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product30_true-unreach-call_false-termination.cil.c [2018-11-10 09:55:21,091 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f86a8811-96fe-4d9b-93e4-4915a4b772c9/bin-2019/utaipan/data/44eb8f113/c6c51f98b46d4554b84e8f30bc5ced8e/FLAG003e07ae5 [2018-11-10 09:55:21,511 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 09:55:21,512 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f86a8811-96fe-4d9b-93e4-4915a4b772c9/sv-benchmarks/c/product-lines/minepump_spec1_product30_true-unreach-call_false-termination.cil.c [2018-11-10 09:55:21,519 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f86a8811-96fe-4d9b-93e4-4915a4b772c9/bin-2019/utaipan/data/44eb8f113/c6c51f98b46d4554b84e8f30bc5ced8e/FLAG003e07ae5 [2018-11-10 09:55:21,527 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f86a8811-96fe-4d9b-93e4-4915a4b772c9/bin-2019/utaipan/data/44eb8f113/c6c51f98b46d4554b84e8f30bc5ced8e [2018-11-10 09:55:21,529 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 09:55:21,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 09:55:21,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 09:55:21,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 09:55:21,533 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 09:55:21,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:55:21" (1/1) ... [2018-11-10 09:55:21,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34b5e009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:21, skipping insertion in model container [2018-11-10 09:55:21,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:55:21" (1/1) ... [2018-11-10 09:55:21,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 09:55:21,567 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 09:55:21,741 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:55:21,749 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 09:55:21,807 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:55:21,828 INFO L193 MainTranslator]: Completed translation [2018-11-10 09:55:21,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:21 WrapperNode [2018-11-10 09:55:21,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 09:55:21,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 09:55:21,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 09:55:21,829 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 09:55:21,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:21" (1/1) ... [2018-11-10 09:55:21,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:21" (1/1) ... [2018-11-10 09:55:21,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 09:55:21,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 09:55:21,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 09:55:21,926 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 09:55:21,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:21" (1/1) ... [2018-11-10 09:55:21,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:21" (1/1) ... [2018-11-10 09:55:21,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:21" (1/1) ... [2018-11-10 09:55:21,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:21" (1/1) ... [2018-11-10 09:55:21,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:21" (1/1) ... [2018-11-10 09:55:21,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:21" (1/1) ... [2018-11-10 09:55:21,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:21" (1/1) ... [2018-11-10 09:55:21,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 09:55:21,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 09:55:21,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 09:55:21,957 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 09:55:21,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f86a8811-96fe-4d9b-93e4-4915a4b772c9/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 09:55:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 09:55:22,008 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 09:55:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 09:55:22,009 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 09:55:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-10 09:55:22,009 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-10 09:55:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 09:55:22,009 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 09:55:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 09:55:22,009 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 09:55:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 09:55:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 09:55:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 09:55:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 09:55:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-10 09:55:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-10 09:55:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 09:55:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 09:55:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 09:55:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 09:55:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 09:55:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 09:55:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 09:55:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 09:55:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-10 09:55:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-10 09:55:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 09:55:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 09:55:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 09:55:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 09:55:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 09:55:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 09:55:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 09:55:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 09:55:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 09:55:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 09:55:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 09:55:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 09:55:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 09:55:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 09:55:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 09:55:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 09:55:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 09:55:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 09:55:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 09:55:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 09:55:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 09:55:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 09:55:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 09:55:22,014 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 09:55:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-10 09:55:22,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-10 09:55:22,610 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 09:55:22,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:55:22 BoogieIcfgContainer [2018-11-10 09:55:22,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 09:55:22,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 09:55:22,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 09:55:22,613 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 09:55:22,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:55:21" (1/3) ... [2018-11-10 09:55:22,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f396ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:55:22, skipping insertion in model container [2018-11-10 09:55:22,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:21" (2/3) ... [2018-11-10 09:55:22,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f396ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:55:22, skipping insertion in model container [2018-11-10 09:55:22,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:55:22" (3/3) ... [2018-11-10 09:55:22,615 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product30_true-unreach-call_false-termination.cil.c [2018-11-10 09:55:22,621 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 09:55:22,625 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 09:55:22,638 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 09:55:22,658 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 09:55:22,658 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 09:55:22,658 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 09:55:22,659 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 09:55:22,659 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 09:55:22,659 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 09:55:22,659 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 09:55:22,659 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 09:55:22,675 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2018-11-10 09:55:22,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 09:55:22,683 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:55:22,684 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 09:55:22,686 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:55:22,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:55:22,692 INFO L82 PathProgramCache]: Analyzing trace with hash 2096763378, now seen corresponding path program 1 times [2018-11-10 09:55:22,694 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 09:55:22,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:55:22,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:55:22,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:55:22,730 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 09:55:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:55:22,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:55:22,908 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:55:22,908 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 09:55:22,908 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 09:55:22,912 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 09:55:22,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 09:55:22,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 09:55:22,922 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2018-11-10 09:55:22,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:55:22,948 INFO L93 Difference]: Finished difference Result 250 states and 311 transitions. [2018-11-10 09:55:22,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 09:55:22,949 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-10 09:55:22,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:55:22,957 INFO L225 Difference]: With dead ends: 250 [2018-11-10 09:55:22,957 INFO L226 Difference]: Without dead ends: 125 [2018-11-10 09:55:22,960 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 09:55:22,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-11-10 09:55:22,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-11-10 09:55:22,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-10 09:55:22,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2018-11-10 09:55:22,994 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 46 [2018-11-10 09:55:22,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:55:22,995 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2018-11-10 09:55:22,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 09:55:22,995 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2018-11-10 09:55:22,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 09:55:22,997 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:55:22,997 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 09:55:22,997 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:55:22,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:55:22,998 INFO L82 PathProgramCache]: Analyzing trace with hash 859801113, now seen corresponding path program 1 times [2018-11-10 09:55:22,998 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 09:55:22,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:55:22,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:55:22,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:55:22,999 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 09:55:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:55:23,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:55:23,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:55:23,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 09:55:23,096 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 09:55:23,097 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 09:55:23,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 09:55:23,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:55:23,098 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 3 states. [2018-11-10 09:55:23,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:55:23,126 INFO L93 Difference]: Finished difference Result 193 states and 227 transitions. [2018-11-10 09:55:23,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 09:55:23,126 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-10 09:55:23,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:55:23,127 INFO L225 Difference]: With dead ends: 193 [2018-11-10 09:55:23,127 INFO L226 Difference]: Without dead ends: 115 [2018-11-10 09:55:23,128 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:55:23,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-11-10 09:55:23,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-11-10 09:55:23,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-11-10 09:55:23,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2018-11-10 09:55:23,142 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 48 [2018-11-10 09:55:23,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:55:23,143 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2018-11-10 09:55:23,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 09:55:23,143 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2018-11-10 09:55:23,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 09:55:23,145 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:55:23,145 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] [2018-11-10 09:55:23,145 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:55:23,145 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:55:23,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1406030204, now seen corresponding path program 1 times [2018-11-10 09:55:23,146 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 09:55:23,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:55:23,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:55:23,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:55:23,147 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 09:55:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:55:23,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:55:23,288 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:55:23,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 09:55:23,289 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 09:55:23,289 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 09:55:23,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 09:55:23,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 09:55:23,290 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 7 states. [2018-11-10 09:55:23,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:55:23,593 INFO L93 Difference]: Finished difference Result 206 states and 245 transitions. [2018-11-10 09:55:23,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 09:55:23,594 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-10 09:55:23,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:55:23,595 INFO L225 Difference]: With dead ends: 206 [2018-11-10 09:55:23,596 INFO L226 Difference]: Without dead ends: 115 [2018-11-10 09:55:23,596 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-10 09:55:23,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-11-10 09:55:23,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-11-10 09:55:23,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-11-10 09:55:23,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 133 transitions. [2018-11-10 09:55:23,605 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 133 transitions. Word has length 53 [2018-11-10 09:55:23,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:55:23,606 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 133 transitions. [2018-11-10 09:55:23,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 09:55:23,606 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 133 transitions. [2018-11-10 09:55:23,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 09:55:23,608 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:55:23,608 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] [2018-11-10 09:55:23,610 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:55:23,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:55:23,610 INFO L82 PathProgramCache]: Analyzing trace with hash -469309415, now seen corresponding path program 1 times [2018-11-10 09:55:23,611 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 09:55:23,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:55:23,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:55:23,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:55:23,612 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 09:55:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:55:23,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:55:23,701 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:55:23,701 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 09:55:23,701 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 09:55:23,701 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 09:55:23,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 09:55:23,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 09:55:23,702 INFO L87 Difference]: Start difference. First operand 115 states and 133 transitions. Second operand 6 states. [2018-11-10 09:55:23,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:55:23,905 INFO L93 Difference]: Finished difference Result 290 states and 348 transitions. [2018-11-10 09:55:23,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 09:55:23,906 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-11-10 09:55:23,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:55:23,909 INFO L225 Difference]: With dead ends: 290 [2018-11-10 09:55:23,909 INFO L226 Difference]: Without dead ends: 199 [2018-11-10 09:55:23,910 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 09:55:23,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2018-11-10 09:55:23,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 197. [2018-11-10 09:55:23,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-11-10 09:55:23,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 232 transitions. [2018-11-10 09:55:23,930 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 232 transitions. Word has length 66 [2018-11-10 09:55:23,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:55:23,930 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 232 transitions. [2018-11-10 09:55:23,930 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 09:55:23,931 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 232 transitions. [2018-11-10 09:55:23,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-10 09:55:23,934 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:55:23,934 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, 1] [2018-11-10 09:55:23,934 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:55:23,935 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:55:23,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1775178147, now seen corresponding path program 1 times [2018-11-10 09:55:23,935 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 09:55:23,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:55:23,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:55:23,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:55:23,936 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 09:55:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:55:24,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:55:24,022 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:55:24,022 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 09:55:24,022 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 09:55:24,023 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 09:55:24,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 09:55:24,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 09:55:24,024 INFO L87 Difference]: Start difference. First operand 197 states and 232 transitions. Second operand 7 states. [2018-11-10 09:55:24,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:55:24,338 INFO L93 Difference]: Finished difference Result 305 states and 366 transitions. [2018-11-10 09:55:24,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 09:55:24,339 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-11-10 09:55:24,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:55:24,339 INFO L225 Difference]: With dead ends: 305 [2018-11-10 09:55:24,339 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 09:55:24,340 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-10 09:55:24,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 09:55:24,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 09:55:24,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 09:55:24,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 09:55:24,341 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2018-11-10 09:55:24,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:55:24,341 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 09:55:24,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 09:55:24,342 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 09:55:24,342 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 09:55:24,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 09:55:25,097 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 528 534) the Hoare annotation is: true [2018-11-10 09:55:25,097 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 528 534) no Hoare annotation was computed. [2018-11-10 09:55:25,097 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 535 543) no Hoare annotation was computed. [2018-11-10 09:55:25,097 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 535 543) the Hoare annotation is: true [2018-11-10 09:55:25,098 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 535 543) no Hoare annotation was computed. [2018-11-10 09:55:25,098 INFO L425 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-10 09:55:25,098 INFO L425 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-10 09:55:25,098 INFO L421 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 09:55:25,098 INFO L421 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 09:55:25,098 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 09:55:25,098 INFO L421 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 09:55:25,098 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-10 09:55:25,099 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-10 09:55:25,099 INFO L421 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 09:55:25,099 INFO L421 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 09:55:25,107 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-10 09:55:25,107 INFO L421 ceAbstractionStarter]: At program point L702(line 702) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 09:55:25,107 INFO L421 ceAbstractionStarter]: At program point L698(line 698) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 09:55:25,107 INFO L425 ceAbstractionStarter]: For program point L696(lines 696 704) no Hoare annotation was computed. [2018-11-10 09:55:25,107 INFO L421 ceAbstractionStarter]: At program point L694(line 694) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 09:55:25,107 INFO L425 ceAbstractionStarter]: For program point L694-1(line 694) no Hoare annotation was computed. [2018-11-10 09:55:25,107 INFO L425 ceAbstractionStarter]: For program point L692(lines 692 709) no Hoare annotation was computed. [2018-11-10 09:55:25,107 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 688 712) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 09:55:25,108 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 688 712) no Hoare annotation was computed. [2018-11-10 09:55:25,108 INFO L421 ceAbstractionStarter]: At program point L707(line 707) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 09:55:25,108 INFO L425 ceAbstractionStarter]: For program point L707-1(lines 688 712) no Hoare annotation was computed. [2018-11-10 09:55:25,108 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 783 791) no Hoare annotation was computed. [2018-11-10 09:55:25,108 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 783 791) the Hoare annotation is: true [2018-11-10 09:55:25,108 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 783 791) no Hoare annotation was computed. [2018-11-10 09:55:25,108 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 828 846) the Hoare annotation is: true [2018-11-10 09:55:25,108 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 828 846) no Hoare annotation was computed. [2018-11-10 09:55:25,108 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 841) no Hoare annotation was computed. [2018-11-10 09:55:25,108 INFO L428 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: true [2018-11-10 09:55:25,108 INFO L425 ceAbstractionStarter]: For program point L837-2(lines 837 841) no Hoare annotation was computed. [2018-11-10 09:55:25,108 INFO L425 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-11-10 09:55:25,109 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 828 846) no Hoare annotation was computed. [2018-11-10 09:55:25,109 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 521 527) no Hoare annotation was computed. [2018-11-10 09:55:25,109 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 521 527) the Hoare annotation is: true [2018-11-10 09:55:25,109 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 09:55:25,109 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-10 09:55:25,109 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-10 09:55:25,109 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 772 782) the Hoare annotation is: true [2018-11-10 09:55:25,109 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 772 782) no Hoare annotation was computed. [2018-11-10 09:55:25,109 INFO L428 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: true [2018-11-10 09:55:25,109 INFO L425 ceAbstractionStarter]: For program point L777-1(line 777) no Hoare annotation was computed. [2018-11-10 09:55:25,109 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 772 782) no Hoare annotation was computed. [2018-11-10 09:55:25,110 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 764 771) the Hoare annotation is: true [2018-11-10 09:55:25,110 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 764 771) no Hoare annotation was computed. [2018-11-10 09:55:25,110 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 764 771) no Hoare annotation was computed. [2018-11-10 09:55:25,110 INFO L421 ceAbstractionStarter]: At program point L733(line 733) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 09:55:25,110 INFO L425 ceAbstractionStarter]: For program point L733-1(lines 714 738) no Hoare annotation was computed. [2018-11-10 09:55:25,110 INFO L421 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 09:55:25,110 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 714 738) no Hoare annotation was computed. [2018-11-10 09:55:25,110 INFO L421 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 09:55:25,110 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 714 738) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 09:55:25,110 INFO L425 ceAbstractionStarter]: For program point L722(lines 722 730) no Hoare annotation was computed. [2018-11-10 09:55:25,110 INFO L421 ceAbstractionStarter]: At program point L720(line 720) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 09:55:25,111 INFO L425 ceAbstractionStarter]: For program point L720-1(line 720) no Hoare annotation was computed. [2018-11-10 09:55:25,111 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 735) no Hoare annotation was computed. [2018-11-10 09:55:25,111 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 680 686) no Hoare annotation was computed. [2018-11-10 09:55:25,111 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 680 686) the Hoare annotation is: true [2018-11-10 09:55:25,111 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 882 947) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 09:55:25,111 INFO L425 ceAbstractionStarter]: For program point L894(lines 894 898) no Hoare annotation was computed. [2018-11-10 09:55:25,111 INFO L425 ceAbstractionStarter]: For program point L892-1(lines 892 939) no Hoare annotation was computed. [2018-11-10 09:55:25,111 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 882 947) no Hoare annotation was computed. [2018-11-10 09:55:25,111 INFO L421 ceAbstractionStarter]: At program point L940(lines 891 941) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 09:55:25,111 INFO L425 ceAbstractionStarter]: For program point L930(lines 930 934) no Hoare annotation was computed. [2018-11-10 09:55:25,112 INFO L421 ceAbstractionStarter]: At program point L930-2(lines 922 935) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 09:55:25,112 INFO L425 ceAbstractionStarter]: For program point L893(lines 892 939) no Hoare annotation was computed. [2018-11-10 09:55:25,112 INFO L421 ceAbstractionStarter]: At program point L924(line 924) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 09:55:25,112 INFO L425 ceAbstractionStarter]: For program point L922(lines 922 935) no Hoare annotation was computed. [2018-11-10 09:55:25,112 INFO L421 ceAbstractionStarter]: At program point L914(line 914) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 09:55:25,112 INFO L425 ceAbstractionStarter]: For program point L912(lines 912 918) no Hoare annotation was computed. [2018-11-10 09:55:25,112 INFO L425 ceAbstractionStarter]: For program point L912-1(lines 912 918) no Hoare annotation was computed. [2018-11-10 09:55:25,112 INFO L421 ceAbstractionStarter]: At program point L937(lines 892 939) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 09:55:25,112 INFO L421 ceAbstractionStarter]: At program point L904(line 904) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 09:55:25,112 INFO L425 ceAbstractionStarter]: For program point L902(lines 902 908) no Hoare annotation was computed. [2018-11-10 09:55:25,112 INFO L425 ceAbstractionStarter]: For program point L902-1(lines 902 908) no Hoare annotation was computed. [2018-11-10 09:55:25,113 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 882 947) no Hoare annotation was computed. [2018-11-10 09:55:25,113 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 629 637) no Hoare annotation was computed. [2018-11-10 09:55:25,113 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 629 637) the Hoare annotation is: true [2018-11-10 09:55:25,113 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 629 637) no Hoare annotation was computed. [2018-11-10 09:55:25,113 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 09:55:25,113 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-10 09:55:25,113 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 09:55:25,113 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 576 587) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 09:55:25,113 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 576 587) no Hoare annotation was computed. [2018-11-10 09:55:25,113 INFO L425 ceAbstractionStarter]: For program point L580-1(lines 576 587) no Hoare annotation was computed. [2018-11-10 09:55:25,113 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-10 09:55:25,113 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-10 09:55:25,114 INFO L428 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-10 09:55:25,114 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 66) no Hoare annotation was computed. [2018-11-10 09:55:25,114 INFO L428 ceAbstractionStarter]: At program point L52-3(lines 52 66) the Hoare annotation is: true [2018-11-10 09:55:25,114 INFO L428 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-10 09:55:25,114 INFO L425 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-10 09:55:25,114 INFO L428 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-10 09:55:25,114 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-10 09:55:25,114 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-10 09:55:25,114 INFO L425 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-10 09:55:25,114 INFO L421 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 09:55:25,114 INFO L421 ceAbstractionStarter]: At program point L667(lines 667 673) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 09:55:25,115 INFO L421 ceAbstractionStarter]: At program point L662(line 662) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 09:55:25,115 INFO L425 ceAbstractionStarter]: For program point L660(lines 659 678) no Hoare annotation was computed. [2018-11-10 09:55:25,115 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 656 679) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 09:55:25,115 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 656 679) no Hoare annotation was computed. [2018-11-10 09:55:25,115 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 656 679) no Hoare annotation was computed. [2018-11-10 09:55:25,117 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 588 596) the Hoare annotation is: true [2018-11-10 09:55:25,117 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 588 596) no Hoare annotation was computed. [2018-11-10 09:55:25,117 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 588 596) no Hoare annotation was computed. [2018-11-10 09:55:25,117 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 552 563) the Hoare annotation is: true [2018-11-10 09:55:25,117 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 552 563) no Hoare annotation was computed. [2018-11-10 09:55:25,117 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 552 563) no Hoare annotation was computed. [2018-11-10 09:55:25,117 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 09:55:25,117 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-10 09:55:25,118 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 09:55:25,118 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 09:55:25,118 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-10 09:55:25,118 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-10 09:55:25,118 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 847 854) no Hoare annotation was computed. [2018-11-10 09:55:25,118 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 847 854) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))) [2018-11-10 09:55:25,118 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 847 854) no Hoare annotation was computed. [2018-11-10 09:55:25,118 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 564 575) no Hoare annotation was computed. [2018-11-10 09:55:25,118 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 564 575) no Hoare annotation was computed. [2018-11-10 09:55:25,118 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 564 575) the Hoare annotation is: true [2018-11-10 09:55:25,119 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 639 646) no Hoare annotation was computed. [2018-11-10 09:55:25,119 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 643) no Hoare annotation was computed. [2018-11-10 09:55:25,119 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 639 646) the Hoare annotation is: true [2018-11-10 09:55:25,119 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 639 646) no Hoare annotation was computed. [2018-11-10 09:55:25,119 INFO L425 ceAbstractionStarter]: For program point L866-1(line 866) no Hoare annotation was computed. [2018-11-10 09:55:25,119 INFO L425 ceAbstractionStarter]: For program point L864(lines 864 877) no Hoare annotation was computed. [2018-11-10 09:55:25,119 INFO L425 ceAbstractionStarter]: For program point L864-1(lines 856 880) no Hoare annotation was computed. [2018-11-10 09:55:25,119 INFO L428 ceAbstractionStarter]: At program point L862(line 862) the Hoare annotation is: true [2018-11-10 09:55:25,119 INFO L425 ceAbstractionStarter]: For program point L862-1(line 862) no Hoare annotation was computed. [2018-11-10 09:55:25,119 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 856 880) the Hoare annotation is: true [2018-11-10 09:55:25,120 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 856 880) no Hoare annotation was computed. [2018-11-10 09:55:25,120 INFO L421 ceAbstractionStarter]: At program point L870(line 870) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-10 09:55:25,120 INFO L425 ceAbstractionStarter]: For program point L868(lines 868 874) no Hoare annotation was computed. [2018-11-10 09:55:25,120 INFO L421 ceAbstractionStarter]: At program point L866(line 866) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-10 09:55:25,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 09:55:25 BoogieIcfgContainer [2018-11-10 09:55:25,138 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 09:55:25,138 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 09:55:25,138 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 09:55:25,138 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 09:55:25,139 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:55:22" (3/4) ... [2018-11-10 09:55:25,142 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 09:55:25,148 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 09:55:25,149 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 09:55:25,149 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 09:55:25,149 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-10 09:55:25,149 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 09:55:25,149 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-10 09:55:25,149 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 09:55:25,149 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 09:55:25,149 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 09:55:25,149 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 09:55:25,149 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 09:55:25,149 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 09:55:25,150 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 09:55:25,150 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-10 09:55:25,150 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 09:55:25,150 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 09:55:25,150 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 09:55:25,150 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 09:55:25,150 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 09:55:25,150 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 09:55:25,151 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 09:55:25,151 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-10 09:55:25,151 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 09:55:25,151 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 09:55:25,151 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-10 09:55:25,160 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 139 nodes and edges [2018-11-10 09:55:25,160 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 09:55:25,161 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 09:55:25,188 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) [2018-11-10 09:55:25,188 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 09:55:25,226 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f86a8811-96fe-4d9b-93e4-4915a4b772c9/bin-2019/utaipan/witness.graphml [2018-11-10 09:55:25,226 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 09:55:25,227 INFO L168 Benchmark]: Toolchain (without parser) took 3698.11 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 228.1 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -153.2 MB). Peak memory consumption was 74.9 MB. Max. memory is 11.5 GB. [2018-11-10 09:55:25,228 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:55:25,228 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.78 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 930.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 09:55:25,228 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 930.7 MB in the beginning and 1.1 GB in the end (delta: -215.9 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-11-10 09:55:25,229 INFO L168 Benchmark]: Boogie Preprocessor took 30.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-10 09:55:25,229 INFO L168 Benchmark]: RCFGBuilder took 653.09 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: 89.3 MB). Peak memory consumption was 89.3 MB. Max. memory is 11.5 GB. [2018-11-10 09:55:25,229 INFO L168 Benchmark]: TraceAbstraction took 2527.08 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 75.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -65.4 MB). Peak memory consumption was 252.9 MB. Max. memory is 11.5 GB. [2018-11-10 09:55:25,229 INFO L168 Benchmark]: Witness Printer took 88.32 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2018-11-10 09:55:25,231 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 298.78 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 930.7 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 97.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 930.7 MB in the beginning and 1.1 GB in the end (delta: -215.9 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 653.09 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: 89.3 MB). Peak memory consumption was 89.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2527.08 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 75.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -65.4 MB). Peak memory consumption was 252.9 MB. Max. memory is 11.5 GB. * Witness Printer took 88.32 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 643]: 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: 892]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 138 locations, 1 error locations. SAFE Result, 2.4s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 637 SDtfs, 303 SDslu, 1008 SDs, 0 SdLazy, 359 SolverSat, 66 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=197occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 325 PreInvPairs, 340 NumberOfFragments, 552 HoareAnnotationTreeSize, 325 FomulaSimplifications, 85 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 58 FomulaSimplificationsInter, 816 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 283 NumberOfCodeBlocks, 283 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 278 ConstructedInterpolants, 0 QuantifiedInterpolants, 31046 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...