./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product22_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4f325dd9-b6e9-490e-a89f-0faf4fef0037/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4f325dd9-b6e9-490e-a89f-0faf4fef0037/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4f325dd9-b6e9-490e-a89f-0faf4fef0037/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4f325dd9-b6e9-490e-a89f-0faf4fef0037/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product22_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4f325dd9-b6e9-490e-a89f-0faf4fef0037/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4f325dd9-b6e9-490e-a89f-0faf4fef0037/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 40fed9ba382e53b697a1093810870166e2d037a9 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:40:08,993 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:40:08,994 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:40:09,001 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:40:09,001 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:40:09,002 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:40:09,003 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:40:09,004 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:40:09,005 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:40:09,005 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:40:09,006 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:40:09,007 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:40:09,007 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:40:09,008 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:40:09,009 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:40:09,009 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:40:09,010 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:40:09,012 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:40:09,013 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:40:09,014 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:40:09,015 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:40:09,016 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:40:09,018 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:40:09,018 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:40:09,018 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:40:09,019 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:40:09,020 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:40:09,020 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:40:09,021 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:40:09,022 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:40:09,022 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:40:09,023 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:40:09,023 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:40:09,023 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:40:09,024 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:40:09,024 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:40:09,025 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4f325dd9-b6e9-490e-a89f-0faf4fef0037/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 09:40:09,035 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:40:09,035 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:40:09,036 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:40:09,036 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 09:40:09,036 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 09:40:09,036 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 09:40:09,036 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 09:40:09,037 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 09:40:09,037 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 09:40:09,037 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 09:40:09,037 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 09:40:09,037 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 09:40:09,037 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 09:40:09,038 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:40:09,038 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:40:09,039 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:40:09,040 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:40:09,040 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:40:09,040 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:40:09,040 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:40:09,040 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:40:09,040 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:40:09,041 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:40:09,041 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:40:09,041 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:40:09,041 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:40:09,041 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:40:09,041 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:40:09,041 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:40:09,042 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:40:09,042 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:40:09,042 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:40:09,042 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:40:09,042 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 09:40:09,042 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:40:09,043 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:40:09,043 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 09:40:09,043 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_4f325dd9-b6e9-490e-a89f-0faf4fef0037/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 -> 40fed9ba382e53b697a1093810870166e2d037a9 [2018-11-18 09:40:09,065 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:40:09,073 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:40:09,076 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:40:09,077 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:40:09,077 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:40:09,078 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4f325dd9-b6e9-490e-a89f-0faf4fef0037/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product22_true-unreach-call_false-termination.cil.c [2018-11-18 09:40:09,119 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4f325dd9-b6e9-490e-a89f-0faf4fef0037/bin-2019/utaipan/data/ff4f98cd2/fff314265240408499b5bb5c7f721d49/FLAG43848e7b8 [2018-11-18 09:40:09,550 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:40:09,550 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4f325dd9-b6e9-490e-a89f-0faf4fef0037/sv-benchmarks/c/product-lines/minepump_spec2_product22_true-unreach-call_false-termination.cil.c [2018-11-18 09:40:09,556 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4f325dd9-b6e9-490e-a89f-0faf4fef0037/bin-2019/utaipan/data/ff4f98cd2/fff314265240408499b5bb5c7f721d49/FLAG43848e7b8 [2018-11-18 09:40:09,567 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4f325dd9-b6e9-490e-a89f-0faf4fef0037/bin-2019/utaipan/data/ff4f98cd2/fff314265240408499b5bb5c7f721d49 [2018-11-18 09:40:09,569 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:40:09,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:40:09,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:40:09,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:40:09,574 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:40:09,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:40:09" (1/1) ... [2018-11-18 09:40:09,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70682c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:09, skipping insertion in model container [2018-11-18 09:40:09,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:40:09" (1/1) ... [2018-11-18 09:40:09,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:40:09,614 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:40:09,794 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:40:09,802 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:40:09,905 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:40:09,920 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:40:09,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:09 WrapperNode [2018-11-18 09:40:09,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:40:09,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:40:09,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:40:09,921 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:40:09,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:09" (1/1) ... [2018-11-18 09:40:09,939 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:09" (1/1) ... [2018-11-18 09:40:09,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:40:09,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:40:09,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:40:09,946 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:40:09,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:09" (1/1) ... [2018-11-18 09:40:09,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:09" (1/1) ... [2018-11-18 09:40:09,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:09" (1/1) ... [2018-11-18 09:40:09,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:09" (1/1) ... [2018-11-18 09:40:09,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:09" (1/1) ... [2018-11-18 09:40:09,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:09" (1/1) ... [2018-11-18 09:40:09,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:09" (1/1) ... [2018-11-18 09:40:09,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:40:09,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:40:09,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:40:09,976 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:40:09,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f325dd9-b6e9-490e-a89f-0faf4fef0037/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 [2018-11-18 09:40:10,012 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 09:40:10,012 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 09:40:10,012 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:40:10,012 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:40:10,012 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 09:40:10,012 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 09:40:10,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:40:10,012 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 09:40:10,012 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 09:40:10,013 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 09:40:10,013 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 09:40:10,013 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 09:40:10,013 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 09:40:10,013 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 09:40:10,013 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 09:40:10,013 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 09:40:10,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 09:40:10,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 09:40:10,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 09:40:10,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 09:40:10,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 09:40:10,014 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 09:40:10,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 09:40:10,014 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 09:40:10,014 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 09:40:10,014 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 09:40:10,015 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 09:40:10,015 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 09:40:10,015 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 09:40:10,015 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 09:40:10,015 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 09:40:10,015 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 09:40:10,015 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 09:40:10,015 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 09:40:10,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 09:40:10,016 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 09:40:10,016 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 09:40:10,016 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 09:40:10,016 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 09:40:10,016 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 09:40:10,016 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 09:40:10,016 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 09:40:10,016 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 09:40:10,017 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 09:40:10,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 09:40:10,017 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 09:40:10,017 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 09:40:10,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:40:10,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:40:10,017 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 09:40:10,017 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 09:40:10,017 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 09:40:10,017 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 09:40:10,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:40:10,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:40:10,427 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:40:10,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:40:10 BoogieIcfgContainer [2018-11-18 09:40:10,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:40:10,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:40:10,428 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:40:10,431 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:40:10,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:40:09" (1/3) ... [2018-11-18 09:40:10,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bf31b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:40:10, skipping insertion in model container [2018-11-18 09:40:10,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:09" (2/3) ... [2018-11-18 09:40:10,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bf31b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:40:10, skipping insertion in model container [2018-11-18 09:40:10,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:40:10" (3/3) ... [2018-11-18 09:40:10,434 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product22_true-unreach-call_false-termination.cil.c [2018-11-18 09:40:10,442 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:40:10,448 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 09:40:10,460 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 09:40:10,485 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:40:10,485 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:40:10,486 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:40:10,486 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:40:10,486 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:40:10,486 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:40:10,486 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:40:10,486 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:40:10,502 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-11-18 09:40:10,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 09:40:10,510 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:40:10,510 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] [2018-11-18 09:40:10,512 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:40:10,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:40:10,516 INFO L82 PathProgramCache]: Analyzing trace with hash 214479400, now seen corresponding path program 1 times [2018-11-18 09:40:10,518 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:40:10,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:40:10,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:40:10,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:40:10,552 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:40:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:10,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:40:10,723 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:40:10,723 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:40:10,723 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:40:10,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 09:40:10,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 09:40:10,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 09:40:10,737 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2018-11-18 09:40:10,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:40:10,765 INFO L93 Difference]: Finished difference Result 256 states and 319 transitions. [2018-11-18 09:40:10,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 09:40:10,766 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 09:40:10,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:40:10,773 INFO L225 Difference]: With dead ends: 256 [2018-11-18 09:40:10,773 INFO L226 Difference]: Without dead ends: 130 [2018-11-18 09:40:10,776 INFO L604 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 [2018-11-18 09:40:10,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-18 09:40:10,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-18 09:40:10,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-18 09:40:10,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 153 transitions. [2018-11-18 09:40:10,810 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 153 transitions. Word has length 51 [2018-11-18 09:40:10,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:40:10,810 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 153 transitions. [2018-11-18 09:40:10,810 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 09:40:10,810 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 153 transitions. [2018-11-18 09:40:10,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 09:40:10,813 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:40:10,813 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] [2018-11-18 09:40:10,813 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:40:10,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:40:10,813 INFO L82 PathProgramCache]: Analyzing trace with hash 667621793, now seen corresponding path program 1 times [2018-11-18 09:40:10,814 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:40:10,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:40:10,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:40:10,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:40:10,815 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:40:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:10,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:40:10,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:40:10,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:40:10,910 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:40:10,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:40:10,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:40:10,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:40:10,912 INFO L87 Difference]: Start difference. First operand 130 states and 153 transitions. Second operand 3 states. [2018-11-18 09:40:10,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:40:10,930 INFO L93 Difference]: Finished difference Result 199 states and 235 transitions. [2018-11-18 09:40:10,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:40:10,931 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 09:40:10,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:40:10,933 INFO L225 Difference]: With dead ends: 199 [2018-11-18 09:40:10,933 INFO L226 Difference]: Without dead ends: 120 [2018-11-18 09:40:10,934 INFO L604 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 [2018-11-18 09:40:10,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-11-18 09:40:10,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-11-18 09:40:10,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-11-18 09:40:10,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2018-11-18 09:40:10,944 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 53 [2018-11-18 09:40:10,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:40:10,945 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2018-11-18 09:40:10,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:40:10,945 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2018-11-18 09:40:10,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 09:40:10,946 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:40:10,946 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] [2018-11-18 09:40:10,947 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:40:10,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:40:10,947 INFO L82 PathProgramCache]: Analyzing trace with hash 797868832, now seen corresponding path program 1 times [2018-11-18 09:40:10,947 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:40:10,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:40:10,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:40:10,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:40:10,948 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:40:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:11,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:40:11,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:40:11,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:40:11,053 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:40:11,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:40:11,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:40:11,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:40:11,054 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 7 states. [2018-11-18 09:40:11,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:40:11,277 INFO L93 Difference]: Finished difference Result 212 states and 253 transitions. [2018-11-18 09:40:11,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:40:11,278 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-18 09:40:11,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:40:11,280 INFO L225 Difference]: With dead ends: 212 [2018-11-18 09:40:11,280 INFO L226 Difference]: Without dead ends: 120 [2018-11-18 09:40:11,281 INFO L604 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 [2018-11-18 09:40:11,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-11-18 09:40:11,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-11-18 09:40:11,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-11-18 09:40:11,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2018-11-18 09:40:11,291 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 58 [2018-11-18 09:40:11,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:40:11,291 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2018-11-18 09:40:11,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:40:11,292 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2018-11-18 09:40:11,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 09:40:11,294 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:40:11,294 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, 1] [2018-11-18 09:40:11,294 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:40:11,295 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:40:11,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1217450757, now seen corresponding path program 1 times [2018-11-18 09:40:11,295 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:40:11,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:40:11,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:40:11,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:40:11,296 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:40:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:11,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:40:11,383 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:40:11,383 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 09:40:11,383 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:40:11,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:40:11,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:40:11,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:40:11,384 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand 6 states. [2018-11-18 09:40:11,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:40:11,525 INFO L93 Difference]: Finished difference Result 296 states and 356 transitions. [2018-11-18 09:40:11,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:40:11,526 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2018-11-18 09:40:11,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:40:11,529 INFO L225 Difference]: With dead ends: 296 [2018-11-18 09:40:11,529 INFO L226 Difference]: Without dead ends: 204 [2018-11-18 09:40:11,530 INFO L604 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 [2018-11-18 09:40:11,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-11-18 09:40:11,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 202. [2018-11-18 09:40:11,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-11-18 09:40:11,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 238 transitions. [2018-11-18 09:40:11,550 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 238 transitions. Word has length 71 [2018-11-18 09:40:11,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:40:11,550 INFO L480 AbstractCegarLoop]: Abstraction has 202 states and 238 transitions. [2018-11-18 09:40:11,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:40:11,551 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 238 transitions. [2018-11-18 09:40:11,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 09:40:11,553 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:40:11,553 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, 1, 1, 1, 1, 1] [2018-11-18 09:40:11,554 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:40:11,554 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:40:11,554 INFO L82 PathProgramCache]: Analyzing trace with hash 157409591, now seen corresponding path program 1 times [2018-11-18 09:40:11,555 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:40:11,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:40:11,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:40:11,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:40:11,556 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:40:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:11,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:40:11,643 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:40:11,644 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:40:11,644 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:40:11,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:40:11,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:40:11,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:40:11,645 INFO L87 Difference]: Start difference. First operand 202 states and 238 transitions. Second operand 7 states. [2018-11-18 09:40:11,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:40:11,876 INFO L93 Difference]: Finished difference Result 310 states and 373 transitions. [2018-11-18 09:40:11,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:40:11,878 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2018-11-18 09:40:11,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:40:11,879 INFO L225 Difference]: With dead ends: 310 [2018-11-18 09:40:11,879 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 09:40:11,880 INFO L604 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 [2018-11-18 09:40:11,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 09:40:11,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 09:40:11,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 09:40:11,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 09:40:11,881 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 75 [2018-11-18 09:40:11,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:40:11,881 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:40:11,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:40:11,882 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 09:40:11,882 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:40:11,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 09:40:12,404 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 930 936) the Hoare annotation is: true [2018-11-18 09:40:12,404 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 930 936) no Hoare annotation was computed. [2018-11-18 09:40:12,404 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 937 945) no Hoare annotation was computed. [2018-11-18 09:40:12,404 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 937 945) the Hoare annotation is: true [2018-11-18 09:40:12,405 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 937 945) no Hoare annotation was computed. [2018-11-18 09:40:12,405 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 488 510) 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))) [2018-11-18 09:40:12,405 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2018-11-18 09:40:12,405 INFO L421 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 09:40:12,405 INFO L421 ceAbstractionStarter]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 09:40:12,405 INFO L425 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2018-11-18 09:40:12,405 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2018-11-18 09:40:12,405 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 09:40:12,405 INFO L421 ceAbstractionStarter]: At program point L495(line 495) 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))) [2018-11-18 09:40:12,406 INFO L421 ceAbstractionStarter]: At program point L494(line 494) 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))) [2018-11-18 09:40:12,406 INFO L421 ceAbstractionStarter]: At program point L494-1(line 494) 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))) [2018-11-18 09:40:12,406 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2018-11-18 09:40:12,406 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 634 642) no Hoare annotation was computed. [2018-11-18 09:40:12,406 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 634 642) the Hoare annotation is: true [2018-11-18 09:40:12,406 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 634 642) no Hoare annotation was computed. [2018-11-18 09:40:12,406 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 692) no Hoare annotation was computed. [2018-11-18 09:40:12,406 INFO L428 ceAbstractionStarter]: At program point L686(line 686) the Hoare annotation is: true [2018-11-18 09:40:12,406 INFO L425 ceAbstractionStarter]: For program point L688-2(lines 688 692) no Hoare annotation was computed. [2018-11-18 09:40:12,406 INFO L425 ceAbstractionStarter]: For program point L686-1(line 686) no Hoare annotation was computed. [2018-11-18 09:40:12,406 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 679 697) the Hoare annotation is: true [2018-11-18 09:40:12,406 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 679 697) no Hoare annotation was computed. [2018-11-18 09:40:12,406 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 679 697) no Hoare annotation was computed. [2018-11-18 09:40:12,406 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 923 929) no Hoare annotation was computed. [2018-11-18 09:40:12,406 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 923 929) the Hoare annotation is: true [2018-11-18 09:40:12,407 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 474 484) 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))) [2018-11-18 09:40:12,407 INFO L421 ceAbstractionStarter]: At program point L479(line 479) 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))) [2018-11-18 09:40:12,407 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2018-11-18 09:40:12,407 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2018-11-18 09:40:12,407 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 623 633) the Hoare annotation is: true [2018-11-18 09:40:12,407 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 623 633) no Hoare annotation was computed. [2018-11-18 09:40:12,407 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 623 633) no Hoare annotation was computed. [2018-11-18 09:40:12,407 INFO L428 ceAbstractionStarter]: At program point L628(line 628) the Hoare annotation is: true [2018-11-18 09:40:12,407 INFO L425 ceAbstractionStarter]: For program point L628-1(line 628) no Hoare annotation was computed. [2018-11-18 09:40:12,407 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 615 622) the Hoare annotation is: true [2018-11-18 09:40:12,407 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 615 622) no Hoare annotation was computed. [2018-11-18 09:40:12,408 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 615 622) no Hoare annotation was computed. [2018-11-18 09:40:12,408 INFO L421 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 09:40:12,408 INFO L425 ceAbstractionStarter]: For program point L601-1(lines 582 606) no Hoare annotation was computed. [2018-11-18 09:40:12,408 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 582 606) no Hoare annotation was computed. [2018-11-18 09:40:12,408 INFO L421 ceAbstractionStarter]: At program point L596(line 596) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 09:40:12,408 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 582 606) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 09:40:12,408 INFO L421 ceAbstractionStarter]: At program point L592(line 592) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 09:40:12,408 INFO L425 ceAbstractionStarter]: For program point L590(lines 590 598) no Hoare annotation was computed. [2018-11-18 09:40:12,408 INFO L421 ceAbstractionStarter]: At program point L588(line 588) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 09:40:12,408 INFO L425 ceAbstractionStarter]: For program point L588-1(line 588) no Hoare annotation was computed. [2018-11-18 09:40:12,408 INFO L425 ceAbstractionStarter]: For program point L586(lines 586 603) no Hoare annotation was computed. [2018-11-18 09:40:12,408 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 548 554) no Hoare annotation was computed. [2018-11-18 09:40:12,409 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 548 554) the Hoare annotation is: true [2018-11-18 09:40:12,409 INFO L425 ceAbstractionStarter]: For program point L737(lines 737 743) no Hoare annotation was computed. [2018-11-18 09:40:12,409 INFO L425 ceAbstractionStarter]: For program point L737-1(lines 737 743) no Hoare annotation was computed. [2018-11-18 09:40:12,409 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 707 772) 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))) [2018-11-18 09:40:12,409 INFO L421 ceAbstractionStarter]: At program point L762(lines 717 764) 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))) [2018-11-18 09:40:12,409 INFO L421 ceAbstractionStarter]: At program point L729(line 729) 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))) [2018-11-18 09:40:12,409 INFO L425 ceAbstractionStarter]: For program point L727(lines 727 733) no Hoare annotation was computed. [2018-11-18 09:40:12,409 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 707 772) no Hoare annotation was computed. [2018-11-18 09:40:12,409 INFO L425 ceAbstractionStarter]: For program point L727-1(lines 727 733) no Hoare annotation was computed. [2018-11-18 09:40:12,409 INFO L425 ceAbstractionStarter]: For program point L719(lines 719 723) no Hoare annotation was computed. [2018-11-18 09:40:12,409 INFO L425 ceAbstractionStarter]: For program point L717-1(lines 717 764) no Hoare annotation was computed. [2018-11-18 09:40:12,410 INFO L421 ceAbstractionStarter]: At program point L765(lines 716 766) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:40:12,410 INFO L425 ceAbstractionStarter]: For program point L755(lines 755 759) no Hoare annotation was computed. [2018-11-18 09:40:12,410 INFO L421 ceAbstractionStarter]: At program point L755-2(lines 747 760) 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))) [2018-11-18 09:40:12,410 INFO L425 ceAbstractionStarter]: For program point L718(lines 717 764) no Hoare annotation was computed. [2018-11-18 09:40:12,410 INFO L421 ceAbstractionStarter]: At program point L749(line 749) 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))) [2018-11-18 09:40:12,410 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 760) no Hoare annotation was computed. [2018-11-18 09:40:12,410 INFO L421 ceAbstractionStarter]: At program point L739(line 739) 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))) [2018-11-18 09:40:12,410 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 707 772) no Hoare annotation was computed. [2018-11-18 09:40:12,410 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 902 910) no Hoare annotation was computed. [2018-11-18 09:40:12,410 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 902 910) the Hoare annotation is: true [2018-11-18 09:40:12,410 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 902 910) no Hoare annotation was computed. [2018-11-18 09:40:12,411 INFO L425 ceAbstractionStarter]: For program point L802-1(line 802) no Hoare annotation was computed. [2018-11-18 09:40:12,411 INFO L425 ceAbstractionStarter]: For program point L800(lines 800 817) no Hoare annotation was computed. [2018-11-18 09:40:12,411 INFO L425 ceAbstractionStarter]: For program point L800-1(lines 792 820) no Hoare annotation was computed. [2018-11-18 09:40:12,411 INFO L428 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-11-18 09:40:12,411 INFO L425 ceAbstractionStarter]: For program point L798-1(line 798) no Hoare annotation was computed. [2018-11-18 09:40:12,411 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 792 820) the Hoare annotation is: true [2018-11-18 09:40:12,411 INFO L421 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-18 09:40:12,411 INFO L425 ceAbstractionStarter]: For program point L805(lines 805 811) no Hoare annotation was computed. [2018-11-18 09:40:12,411 INFO L425 ceAbstractionStarter]: For program point L804(lines 804 814) no Hoare annotation was computed. [2018-11-18 09:40:12,411 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 792 820) no Hoare annotation was computed. [2018-11-18 09:40:12,411 INFO L421 ceAbstractionStarter]: At program point L802(line 802) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 09:40:12,412 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 784 791) the Hoare annotation is: true [2018-11-18 09:40:12,412 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 784 791) no Hoare annotation was computed. [2018-11-18 09:40:12,412 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 784 791) no Hoare annotation was computed. [2018-11-18 09:40:12,412 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:40:12,412 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 09:40:12,412 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:40:12,412 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 849 860) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:40:12,412 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 849 860) no Hoare annotation was computed. [2018-11-18 09:40:12,412 INFO L425 ceAbstractionStarter]: For program point L853-1(lines 849 860) no Hoare annotation was computed. [2018-11-18 09:40:12,412 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 861 869) the Hoare annotation is: true [2018-11-18 09:40:12,412 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 861 869) no Hoare annotation was computed. [2018-11-18 09:40:12,412 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 861 869) no Hoare annotation was computed. [2018-11-18 09:40:12,413 INFO L421 ceAbstractionStarter]: At program point L537(line 537) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 09:40:12,413 INFO L421 ceAbstractionStarter]: At program point L535(lines 535 541) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 09:40:12,413 INFO L421 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 09:40:12,413 INFO L425 ceAbstractionStarter]: For program point L528(lines 527 546) no Hoare annotation was computed. [2018-11-18 09:40:12,413 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 524 547) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 09:40:12,413 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 524 547) no Hoare annotation was computed. [2018-11-18 09:40:12,413 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 524 547) no Hoare annotation was computed. [2018-11-18 09:40:12,413 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2018-11-18 09:40:12,413 INFO L425 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2018-11-18 09:40:12,413 INFO L428 ceAbstractionStarter]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2018-11-18 09:40:12,413 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 418 432) no Hoare annotation was computed. [2018-11-18 09:40:12,413 INFO L428 ceAbstractionStarter]: At program point L418-3(lines 418 432) the Hoare annotation is: true [2018-11-18 09:40:12,414 INFO L428 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: true [2018-11-18 09:40:12,414 INFO L425 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2018-11-18 09:40:12,414 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2018-11-18 09:40:12,414 INFO L428 ceAbstractionStarter]: At program point L433(lines 408 437) the Hoare annotation is: true [2018-11-18 09:40:12,414 INFO L425 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2018-11-18 09:40:12,414 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-18 09:40:12,414 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 825 836) the Hoare annotation is: true [2018-11-18 09:40:12,414 INFO L425 ceAbstractionStarter]: For program point L829-1(lines 825 836) no Hoare annotation was computed. [2018-11-18 09:40:12,414 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 825 836) no Hoare annotation was computed. [2018-11-18 09:40:12,414 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2018-11-18 09:40:12,414 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2018-11-18 09:40:12,414 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:40:12,414 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-18 09:40:12,415 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:40:12,415 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:40:12,415 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 698 705) no Hoare annotation was computed. [2018-11-18 09:40:12,415 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 698 705) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))) [2018-11-18 09:40:12,415 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 698 705) no Hoare annotation was computed. [2018-11-18 09:40:12,415 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 837 848) no Hoare annotation was computed. [2018-11-18 09:40:12,415 INFO L425 ceAbstractionStarter]: For program point L841-1(lines 837 848) no Hoare annotation was computed. [2018-11-18 09:40:12,415 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 837 848) the Hoare annotation is: true [2018-11-18 09:40:12,415 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 774 781) no Hoare annotation was computed. [2018-11-18 09:40:12,415 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 778) no Hoare annotation was computed. [2018-11-18 09:40:12,415 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 774 781) the Hoare annotation is: true [2018-11-18 09:40:12,416 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 774 781) no Hoare annotation was computed. [2018-11-18 09:40:12,416 INFO L421 ceAbstractionStarter]: At program point L575(line 575) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 09:40:12,416 INFO L425 ceAbstractionStarter]: For program point L575-1(lines 556 580) no Hoare annotation was computed. [2018-11-18 09:40:12,416 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 556 580) no Hoare annotation was computed. [2018-11-18 09:40:12,416 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 556 580) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 09:40:12,416 INFO L421 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 09:40:12,416 INFO L421 ceAbstractionStarter]: At program point L566(line 566) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 09:40:12,416 INFO L425 ceAbstractionStarter]: For program point L564(lines 564 572) no Hoare annotation was computed. [2018-11-18 09:40:12,416 INFO L421 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 09:40:12,416 INFO L425 ceAbstractionStarter]: For program point L562-1(line 562) no Hoare annotation was computed. [2018-11-18 09:40:12,416 INFO L425 ceAbstractionStarter]: For program point L560(lines 560 577) no Hoare annotation was computed. [2018-11-18 09:40:12,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:40:12 BoogieIcfgContainer [2018-11-18 09:40:12,439 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:40:12,439 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:40:12,439 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:40:12,439 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:40:12,440 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:40:10" (3/4) ... [2018-11-18 09:40:12,443 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:40:12,448 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 09:40:12,448 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 09:40:12,448 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 09:40:12,448 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 09:40:12,449 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 09:40:12,449 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 09:40:12,449 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 09:40:12,449 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 09:40:12,449 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 09:40:12,449 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 09:40:12,449 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 09:40:12,449 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 09:40:12,449 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 09:40:12,449 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 09:40:12,449 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 09:40:12,449 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 09:40:12,450 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 09:40:12,450 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 09:40:12,450 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 09:40:12,450 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 09:40:12,450 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 09:40:12,450 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 09:40:12,450 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 09:40:12,450 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 09:40:12,450 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 09:40:12,451 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 09:40:12,456 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-11-18 09:40:12,457 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 09:40:12,457 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 09:40:12,481 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) [2018-11-18 09:40:12,482 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 09:40:12,515 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4f325dd9-b6e9-490e-a89f-0faf4fef0037/bin-2019/utaipan/witness.graphml [2018-11-18 09:40:12,516 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:40:12,516 INFO L168 Benchmark]: Toolchain (without parser) took 2946.66 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 221.8 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -136.9 MB). Peak memory consumption was 84.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:40:12,517 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:40:12,517 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:40:12,518 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:40:12,518 INFO L168 Benchmark]: Boogie Preprocessor took 30.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:40:12,518 INFO L168 Benchmark]: RCFGBuilder took 451.37 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: 62.0 MB). Peak memory consumption was 62.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:40:12,518 INFO L168 Benchmark]: TraceAbstraction took 2011.01 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 76.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -33.1 MB). Peak memory consumption was 258.6 MB. Max. memory is 11.5 GB. [2018-11-18 09:40:12,519 INFO L168 Benchmark]: Witness Printer took 76.60 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: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:40:12,520 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 350.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 451.37 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: 62.0 MB). Peak memory consumption was 62.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2011.01 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 76.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -33.1 MB). Peak memory consumption was 258.6 MB. Max. memory is 11.5 GB. * Witness Printer took 76.60 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: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 778]: 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: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 143 locations, 1 error locations. SAFE Result, 1.9s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 664 SDtfs, 316 SDslu, 1048 SDs, 0 SdLazy, 376 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s 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=202occurred 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, 60 LocationsWithAnnotation, 327 PreInvPairs, 342 NumberOfFragments, 576 HoareAnnotationTreeSize, 327 FomulaSimplifications, 85 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 60 FomulaSimplificationsInter, 844 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 308 NumberOfCodeBlocks, 308 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 303 ConstructedInterpolants, 0 QuantifiedInterpolants, 35625 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...