./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product31_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_a168dd13-33d5-4e1a-9387-9d1ecbf48bb7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a168dd13-33d5-4e1a-9387-9d1ecbf48bb7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a168dd13-33d5-4e1a-9387-9d1ecbf48bb7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a168dd13-33d5-4e1a-9387-9d1ecbf48bb7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product31_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a168dd13-33d5-4e1a-9387-9d1ecbf48bb7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a168dd13-33d5-4e1a-9387-9d1ecbf48bb7/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 e966d9b3bce12fee8fc2d0d68326680d997e6955 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 11:13:34,881 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:13:34,882 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:13:34,892 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:13:34,893 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:13:34,894 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:13:34,895 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:13:34,896 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:13:34,898 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:13:34,899 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:13:34,900 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:13:34,900 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:13:34,901 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:13:34,902 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:13:34,903 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:13:34,904 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:13:34,904 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:13:34,906 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:13:34,907 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:13:34,908 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:13:34,909 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:13:34,910 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:13:34,912 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:13:34,912 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:13:34,912 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:13:34,913 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:13:34,914 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:13:34,914 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:13:34,915 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:13:34,916 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:13:34,916 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:13:34,917 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:13:34,917 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:13:34,917 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:13:34,918 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:13:34,918 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:13:34,918 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a168dd13-33d5-4e1a-9387-9d1ecbf48bb7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:13:34,929 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:13:34,929 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:13:34,930 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:13:34,930 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:13:34,930 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:13:34,931 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:13:34,931 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:13:34,931 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:13:34,931 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:13:34,931 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:13:34,931 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:13:34,931 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:13:34,932 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:13:34,932 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:13:34,932 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:13:34,932 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:13:34,933 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:13:34,933 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:13:34,933 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:13:34,933 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:13:34,933 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:13:34,933 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:13:34,933 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:13:34,933 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:13:34,934 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:13:34,934 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:13:34,934 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:13:34,934 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:13:34,934 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:13:34,934 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:13:34,935 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:13:34,935 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:13:34,935 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:13:34,935 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:13:34,935 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:13:34,935 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:13:34,935 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:13:34,935 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_a168dd13-33d5-4e1a-9387-9d1ecbf48bb7/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 -> e966d9b3bce12fee8fc2d0d68326680d997e6955 [2018-11-18 11:13:34,958 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:13:34,967 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:13:34,969 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:13:34,970 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:13:34,970 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:13:34,971 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a168dd13-33d5-4e1a-9387-9d1ecbf48bb7/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product31_true-unreach-call_false-termination.cil.c [2018-11-18 11:13:35,008 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a168dd13-33d5-4e1a-9387-9d1ecbf48bb7/bin-2019/utaipan/data/16bf03bb3/9fc954872e024c53a5caca02b5646079/FLAG90d1545fe [2018-11-18 11:13:35,376 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:13:35,376 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a168dd13-33d5-4e1a-9387-9d1ecbf48bb7/sv-benchmarks/c/product-lines/minepump_spec4_product31_true-unreach-call_false-termination.cil.c [2018-11-18 11:13:35,386 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a168dd13-33d5-4e1a-9387-9d1ecbf48bb7/bin-2019/utaipan/data/16bf03bb3/9fc954872e024c53a5caca02b5646079/FLAG90d1545fe [2018-11-18 11:13:35,768 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a168dd13-33d5-4e1a-9387-9d1ecbf48bb7/bin-2019/utaipan/data/16bf03bb3/9fc954872e024c53a5caca02b5646079 [2018-11-18 11:13:35,770 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:13:35,771 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:13:35,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:13:35,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:13:35,775 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:13:35,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:13:35" (1/1) ... [2018-11-18 11:13:35,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37764a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:35, skipping insertion in model container [2018-11-18 11:13:35,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:13:35" (1/1) ... [2018-11-18 11:13:35,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:13:35,818 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:13:36,019 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:13:36,027 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:13:36,150 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:13:36,171 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:13:36,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:36 WrapperNode [2018-11-18 11:13:36,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:13:36,172 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:13:36,172 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:13:36,172 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:13:36,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:36" (1/1) ... [2018-11-18 11:13:36,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:36" (1/1) ... [2018-11-18 11:13:36,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:13:36,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:13:36,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:13:36,201 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:13:36,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:36" (1/1) ... [2018-11-18 11:13:36,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:36" (1/1) ... [2018-11-18 11:13:36,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:36" (1/1) ... [2018-11-18 11:13:36,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:36" (1/1) ... [2018-11-18 11:13:36,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:36" (1/1) ... [2018-11-18 11:13:36,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:36" (1/1) ... [2018-11-18 11:13:36,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:36" (1/1) ... [2018-11-18 11:13:36,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:13:36,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:13:36,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:13:36,234 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:13:36,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a168dd13-33d5-4e1a-9387-9d1ecbf48bb7/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 11:13:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 11:13:36,288 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 11:13:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-18 11:13:36,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-18 11:13:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:13:36,288 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:13:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 11:13:36,288 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 11:13:36,289 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 11:13:36,289 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 11:13:36,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:13:36,289 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 11:13:36,289 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 11:13:36,289 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 11:13:36,289 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 11:13:36,289 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 11:13:36,289 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 11:13:36,289 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 11:13:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 11:13:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 11:13:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 11:13:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 11:13:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 11:13:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 11:13:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 11:13:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 11:13:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 11:13:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 11:13:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 11:13:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 11:13:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 11:13:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 11:13:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 11:13:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 11:13:36,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 11:13:36,292 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 11:13:36,292 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 11:13:36,292 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:13:36,292 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:13:36,292 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 11:13:36,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 11:13:36,292 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 11:13:36,293 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 11:13:36,293 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 11:13:36,293 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 11:13:36,293 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 11:13:36,293 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 11:13:36,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:13:36,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:13:36,294 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 11:13:36,294 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 11:13:36,294 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 11:13:36,294 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 11:13:36,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:13:36,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:13:36,712 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:13:36,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:13:36 BoogieIcfgContainer [2018-11-18 11:13:36,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:13:36,714 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:13:36,714 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:13:36,716 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:13:36,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:13:35" (1/3) ... [2018-11-18 11:13:36,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@367578fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:13:36, skipping insertion in model container [2018-11-18 11:13:36,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:36" (2/3) ... [2018-11-18 11:13:36,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@367578fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:13:36, skipping insertion in model container [2018-11-18 11:13:36,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:13:36" (3/3) ... [2018-11-18 11:13:36,719 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product31_true-unreach-call_false-termination.cil.c [2018-11-18 11:13:36,728 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:13:36,734 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:13:36,744 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:13:36,763 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:13:36,763 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:13:36,763 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:13:36,763 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:13:36,763 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:13:36,763 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:13:36,764 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:13:36,764 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:13:36,781 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-11-18 11:13:36,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 11:13:36,787 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:13:36,788 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] [2018-11-18 11:13:36,790 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:13:36,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:13:36,794 INFO L82 PathProgramCache]: Analyzing trace with hash -144778503, now seen corresponding path program 1 times [2018-11-18 11:13:36,795 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:13:36,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:13:36,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:13:36,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:13:36,833 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:13:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:37,000 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 11:13:37,001 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:13:37,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:13:37,002 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:13:37,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:13:37,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:13:37,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:13:37,017 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2018-11-18 11:13:37,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:13:37,045 INFO L93 Difference]: Finished difference Result 260 states and 323 transitions. [2018-11-18 11:13:37,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:13:37,046 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 11:13:37,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:13:37,054 INFO L225 Difference]: With dead ends: 260 [2018-11-18 11:13:37,054 INFO L226 Difference]: Without dead ends: 130 [2018-11-18 11:13:37,056 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 11:13:37,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-18 11:13:37,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-18 11:13:37,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-18 11:13:37,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 153 transitions. [2018-11-18 11:13:37,096 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 153 transitions. Word has length 46 [2018-11-18 11:13:37,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:13:37,096 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 153 transitions. [2018-11-18 11:13:37,096 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:13:37,096 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 153 transitions. [2018-11-18 11:13:37,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 11:13:37,098 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:13:37,098 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] [2018-11-18 11:13:37,099 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:13:37,099 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:13:37,099 INFO L82 PathProgramCache]: Analyzing trace with hash -957690016, now seen corresponding path program 1 times [2018-11-18 11:13:37,099 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:13:37,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:13:37,100 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:13:37,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:13:37,100 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:13:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:37,181 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 11:13:37,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:13:37,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:13:37,182 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:13:37,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:13:37,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:13:37,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:13:37,184 INFO L87 Difference]: Start difference. First operand 130 states and 153 transitions. Second operand 3 states. [2018-11-18 11:13:37,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:13:37,202 INFO L93 Difference]: Finished difference Result 201 states and 235 transitions. [2018-11-18 11:13:37,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:13:37,203 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 11:13:37,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:13:37,204 INFO L225 Difference]: With dead ends: 201 [2018-11-18 11:13:37,204 INFO L226 Difference]: Without dead ends: 120 [2018-11-18 11:13:37,205 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 11:13:37,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-11-18 11:13:37,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-11-18 11:13:37,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-11-18 11:13:37,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2018-11-18 11:13:37,216 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 48 [2018-11-18 11:13:37,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:13:37,217 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2018-11-18 11:13:37,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:13:37,217 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2018-11-18 11:13:37,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 11:13:37,218 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:13:37,218 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:13:37,219 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:13:37,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:13:37,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1402580681, now seen corresponding path program 1 times [2018-11-18 11:13:37,219 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:13:37,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:13:37,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:13:37,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:13:37,220 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:13:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:37,343 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 11:13:37,343 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:13:37,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:13:37,344 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:13:37,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:13:37,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:13:37,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:13:37,345 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 7 states. [2018-11-18 11:13:37,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:13:37,765 INFO L93 Difference]: Finished difference Result 363 states and 439 transitions. [2018-11-18 11:13:37,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:13:37,765 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-18 11:13:37,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:13:37,769 INFO L225 Difference]: With dead ends: 363 [2018-11-18 11:13:37,769 INFO L226 Difference]: Without dead ends: 267 [2018-11-18 11:13:37,770 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 11:13:37,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2018-11-18 11:13:37,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 259. [2018-11-18 11:13:37,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-11-18 11:13:37,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 313 transitions. [2018-11-18 11:13:37,800 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 313 transitions. Word has length 52 [2018-11-18 11:13:37,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:13:37,801 INFO L480 AbstractCegarLoop]: Abstraction has 259 states and 313 transitions. [2018-11-18 11:13:37,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:13:37,801 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 313 transitions. [2018-11-18 11:13:37,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 11:13:37,803 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:13:37,803 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 11:13:37,804 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:13:37,804 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:13:37,804 INFO L82 PathProgramCache]: Analyzing trace with hash 136127587, now seen corresponding path program 1 times [2018-11-18 11:13:37,805 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:13:37,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:13:37,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:13:37,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:13:37,806 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:13:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:37,931 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 11:13:37,932 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:13:37,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 11:13:37,932 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:13:37,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:13:37,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:13:37,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:13:37,933 INFO L87 Difference]: Start difference. First operand 259 states and 313 transitions. Second operand 10 states. [2018-11-18 11:13:38,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:13:38,309 INFO L93 Difference]: Finished difference Result 916 states and 1171 transitions. [2018-11-18 11:13:38,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 11:13:38,310 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2018-11-18 11:13:38,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:13:38,314 INFO L225 Difference]: With dead ends: 916 [2018-11-18 11:13:38,315 INFO L226 Difference]: Without dead ends: 681 [2018-11-18 11:13:38,316 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-18 11:13:38,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2018-11-18 11:13:38,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 669. [2018-11-18 11:13:38,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2018-11-18 11:13:38,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 829 transitions. [2018-11-18 11:13:38,367 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 829 transitions. Word has length 58 [2018-11-18 11:13:38,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:13:38,370 INFO L480 AbstractCegarLoop]: Abstraction has 669 states and 829 transitions. [2018-11-18 11:13:38,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 11:13:38,370 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 829 transitions. [2018-11-18 11:13:38,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 11:13:38,373 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:13:38,373 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:13:38,374 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:13:38,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:13:38,374 INFO L82 PathProgramCache]: Analyzing trace with hash -2127509687, now seen corresponding path program 1 times [2018-11-18 11:13:38,374 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:13:38,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:13:38,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:13:38,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:13:38,375 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:13:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:38,456 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 11:13:38,456 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:13:38,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:13:38,456 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:13:38,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 11:13:38,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 11:13:38,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:13:38,457 INFO L87 Difference]: Start difference. First operand 669 states and 829 transitions. Second operand 4 states. [2018-11-18 11:13:38,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:13:38,635 INFO L93 Difference]: Finished difference Result 1080 states and 1378 transitions. [2018-11-18 11:13:38,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 11:13:38,636 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2018-11-18 11:13:38,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:13:38,639 INFO L225 Difference]: With dead ends: 1080 [2018-11-18 11:13:38,639 INFO L226 Difference]: Without dead ends: 435 [2018-11-18 11:13:38,641 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:13:38,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2018-11-18 11:13:38,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 423. [2018-11-18 11:13:38,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2018-11-18 11:13:38,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 485 transitions. [2018-11-18 11:13:38,671 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 485 transitions. Word has length 62 [2018-11-18 11:13:38,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:13:38,671 INFO L480 AbstractCegarLoop]: Abstraction has 423 states and 485 transitions. [2018-11-18 11:13:38,671 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 11:13:38,671 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 485 transitions. [2018-11-18 11:13:38,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 11:13:38,673 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:13:38,673 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:13:38,673 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:13:38,674 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:13:38,674 INFO L82 PathProgramCache]: Analyzing trace with hash 281260814, now seen corresponding path program 1 times [2018-11-18 11:13:38,674 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:13:38,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:13:38,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:13:38,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:13:38,675 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:13:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:38,779 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 11:13:38,779 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:13:38,779 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:13:38,780 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 91 with the following transitions: [2018-11-18 11:13:38,782 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [61], [63], [64], [65], [66], [78], [107], [111], [117], [121], [125], [128], [133], [139], [141], [144], [146], [149], [162], [163], [164], [165], [180], [187], [190], [225], [231], [235], [236], [239], [240], [241], [242], [243], [245], [246], [247], [248], [249], [250], [251], [252], [253], [267], [279], [280], [283], [284], [285], [286], [293], [294], [299], [300], [301] [2018-11-18 11:13:38,812 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:13:38,812 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:13:39,307 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:13:39,309 INFO L272 AbstractInterpreter]: Visited 60 different actions 72 times. Merged at 7 different actions 7 times. Never widened. Performed 2886 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2886 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 133 variables. [2018-11-18 11:13:39,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:13:39,314 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:13:39,660 INFO L227 lantSequenceWeakener]: Weakened 80 states. On average, predicates are now at 97.66% of their original sizes. [2018-11-18 11:13:39,660 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:13:39,817 INFO L415 sIntCurrentIteration]: We unified 89 AI predicates to 89 [2018-11-18 11:13:39,817 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:13:39,818 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:13:39,818 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [7] total 27 [2018-11-18 11:13:39,818 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:13:39,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-18 11:13:39,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-18 11:13:39,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2018-11-18 11:13:39,819 INFO L87 Difference]: Start difference. First operand 423 states and 485 transitions. Second operand 22 states. [2018-11-18 11:13:43,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:13:43,490 INFO L93 Difference]: Finished difference Result 576 states and 670 transitions. [2018-11-18 11:13:43,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-18 11:13:43,490 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 90 [2018-11-18 11:13:43,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:13:43,490 INFO L225 Difference]: With dead ends: 576 [2018-11-18 11:13:43,490 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:13:43,492 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 103 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=191, Invalid=1069, Unknown=0, NotChecked=0, Total=1260 [2018-11-18 11:13:43,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:13:43,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:13:43,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:13:43,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:13:43,494 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 90 [2018-11-18 11:13:43,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:13:43,494 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:13:43,494 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-18 11:13:43,494 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:13:43,494 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:13:43,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:13:43,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:13:43,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:13:43,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:13:44,806 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2018-11-18 11:13:44,806 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2018-11-18 11:13:44,806 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2018-11-18 11:13:44,806 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2018-11-18 11:13:44,806 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2018-11-18 11:13:44,806 INFO L425 ceAbstractionStarter]: For program point L930-1(lines 922 946) no Hoare annotation was computed. [2018-11-18 11:13:44,806 INFO L428 ceAbstractionStarter]: At program point L928(line 928) the Hoare annotation is: true [2018-11-18 11:13:44,806 INFO L425 ceAbstractionStarter]: For program point L928-1(line 928) no Hoare annotation was computed. [2018-11-18 11:13:44,806 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 922 946) the Hoare annotation is: true [2018-11-18 11:13:44,807 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 922 946) no Hoare annotation was computed. [2018-11-18 11:13:44,807 INFO L421 ceAbstractionStarter]: At program point L936(line 936) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 11:13:44,807 INFO L425 ceAbstractionStarter]: For program point L934(lines 934 940) no Hoare annotation was computed. [2018-11-18 11:13:44,807 INFO L421 ceAbstractionStarter]: At program point L932(line 932) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 11:13:44,807 INFO L425 ceAbstractionStarter]: For program point L932-1(line 932) no Hoare annotation was computed. [2018-11-18 11:13:44,807 INFO L425 ceAbstractionStarter]: For program point L930(lines 930 943) no Hoare annotation was computed. [2018-11-18 11:13:44,807 INFO L425 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-18 11:13:44,807 INFO L425 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-18 11:13:44,807 INFO L421 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:13:44,808 INFO L421 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:13:44,808 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:13:44,808 INFO L421 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:13:44,808 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-18 11:13:44,808 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-18 11:13:44,808 INFO L421 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:13:44,808 INFO L421 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:13:44,808 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-18 11:13:44,809 INFO L421 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 11:13:44,809 INFO L425 ceAbstractionStarter]: For program point L765-1(lines 746 770) no Hoare annotation was computed. [2018-11-18 11:13:44,809 INFO L421 ceAbstractionStarter]: At program point L760(line 760) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 11:13:44,809 INFO L421 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 11:13:44,809 INFO L425 ceAbstractionStarter]: For program point L754(lines 754 762) no Hoare annotation was computed. [2018-11-18 11:13:44,809 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 746 770) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 11:13:44,809 INFO L421 ceAbstractionStarter]: At program point L752(line 752) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 11:13:44,809 INFO L425 ceAbstractionStarter]: For program point L752-1(line 752) no Hoare annotation was computed. [2018-11-18 11:13:44,809 INFO L425 ceAbstractionStarter]: For program point L750(lines 750 767) no Hoare annotation was computed. [2018-11-18 11:13:44,810 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 746 770) no Hoare annotation was computed. [2018-11-18 11:13:44,810 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 905 919) no Hoare annotation was computed. [2018-11-18 11:13:44,810 INFO L421 ceAbstractionStarter]: At program point L911(line 911) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~waterLevel~0 2))) (or .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 11:13:44,810 INFO L425 ceAbstractionStarter]: For program point L909(lines 909 915) no Hoare annotation was computed. [2018-11-18 11:13:44,810 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 905 919) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (= ~systemActive~0 1)) (.cse4 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5) (or (not (= |old(~systemActive~0)| 0)) .cse1 (= ~systemActive~0 0) .cse3) (or .cse1 .cse5 .cse3) (or (or .cse1 .cse2) .cse0 .cse4))) [2018-11-18 11:13:44,810 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 905 919) no Hoare annotation was computed. [2018-11-18 11:13:44,810 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 841 849) no Hoare annotation was computed. [2018-11-18 11:13:44,810 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 841 849) the Hoare annotation is: true [2018-11-18 11:13:44,810 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 841 849) no Hoare annotation was computed. [2018-11-18 11:13:44,810 INFO L425 ceAbstractionStarter]: For program point L895(lines 895 899) no Hoare annotation was computed. [2018-11-18 11:13:44,810 INFO L428 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: true [2018-11-18 11:13:44,811 INFO L425 ceAbstractionStarter]: For program point L895-2(lines 895 899) no Hoare annotation was computed. [2018-11-18 11:13:44,811 INFO L425 ceAbstractionStarter]: For program point L893-1(line 893) no Hoare annotation was computed. [2018-11-18 11:13:44,811 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 886 904) the Hoare annotation is: true [2018-11-18 11:13:44,811 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 886 904) no Hoare annotation was computed. [2018-11-18 11:13:44,811 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 886 904) no Hoare annotation was computed. [2018-11-18 11:13:44,811 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2018-11-18 11:13:44,811 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2018-11-18 11:13:44,811 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:13:44,811 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-18 11:13:44,811 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-18 11:13:44,811 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 830 840) the Hoare annotation is: true [2018-11-18 11:13:44,811 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 830 840) no Hoare annotation was computed. [2018-11-18 11:13:44,811 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 830 840) no Hoare annotation was computed. [2018-11-18 11:13:44,811 INFO L428 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: true [2018-11-18 11:13:44,811 INFO L425 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-11-18 11:13:44,811 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 822 829) the Hoare annotation is: true [2018-11-18 11:13:44,811 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 822 829) no Hoare annotation was computed. [2018-11-18 11:13:44,811 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 822 829) no Hoare annotation was computed. [2018-11-18 11:13:44,811 INFO L421 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 11:13:44,812 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 772 796) no Hoare annotation was computed. [2018-11-18 11:13:44,812 INFO L425 ceAbstractionStarter]: For program point L791-1(lines 772 796) no Hoare annotation was computed. [2018-11-18 11:13:44,812 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 772 796) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 11:13:44,812 INFO L421 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 11:13:44,812 INFO L421 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 11:13:44,812 INFO L425 ceAbstractionStarter]: For program point L780(lines 780 788) no Hoare annotation was computed. [2018-11-18 11:13:44,812 INFO L421 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 11:13:44,812 INFO L425 ceAbstractionStarter]: For program point L778-1(line 778) no Hoare annotation was computed. [2018-11-18 11:13:44,812 INFO L425 ceAbstractionStarter]: For program point L776(lines 776 793) no Hoare annotation was computed. [2018-11-18 11:13:44,812 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 738 744) no Hoare annotation was computed. [2018-11-18 11:13:44,812 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 738 744) the Hoare annotation is: true [2018-11-18 11:13:44,812 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 640 705) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:13:44,812 INFO L421 ceAbstractionStarter]: At program point L698(lines 649 699) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:13:44,812 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 640 705) no Hoare annotation was computed. [2018-11-18 11:13:44,812 INFO L421 ceAbstractionStarter]: At program point L688(line 688) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 11:13:44,813 INFO L425 ceAbstractionStarter]: For program point L686(lines 686 692) no Hoare annotation was computed. [2018-11-18 11:13:44,813 INFO L421 ceAbstractionStarter]: At program point L686-1(lines 680 693) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 11:13:44,813 INFO L425 ceAbstractionStarter]: For program point L651(lines 650 697) no Hoare annotation was computed. [2018-11-18 11:13:44,813 INFO L425 ceAbstractionStarter]: For program point L680(lines 680 693) no Hoare annotation was computed. [2018-11-18 11:13:44,813 INFO L421 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 11:13:44,813 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 676) no Hoare annotation was computed. [2018-11-18 11:13:44,813 INFO L425 ceAbstractionStarter]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2018-11-18 11:13:44,813 INFO L421 ceAbstractionStarter]: At program point L695(lines 650 697) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 11:13:44,813 INFO L421 ceAbstractionStarter]: At program point L662(line 662) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (or (= ~waterLevel~0 1) (= ~waterLevel~0 2)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:13:44,813 INFO L425 ceAbstractionStarter]: For program point L660(lines 660 666) no Hoare annotation was computed. [2018-11-18 11:13:44,813 INFO L425 ceAbstractionStarter]: For program point L660-1(lines 660 666) no Hoare annotation was computed. [2018-11-18 11:13:44,813 INFO L425 ceAbstractionStarter]: For program point L652(lines 652 656) no Hoare annotation was computed. [2018-11-18 11:13:44,813 INFO L425 ceAbstractionStarter]: For program point L650-1(lines 650 697) no Hoare annotation was computed. [2018-11-18 11:13:44,813 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 640 705) no Hoare annotation was computed. [2018-11-18 11:13:44,813 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 629 637) no Hoare annotation was computed. [2018-11-18 11:13:44,813 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 629 637) the Hoare annotation is: true [2018-11-18 11:13:44,813 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 629 637) no Hoare annotation was computed. [2018-11-18 11:13:44,813 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:13:44,814 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 11:13:44,814 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:13:44,814 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 620 628) the Hoare annotation is: true [2018-11-18 11:13:44,814 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 620 628) no Hoare annotation was computed. [2018-11-18 11:13:44,814 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 620 628) no Hoare annotation was computed. [2018-11-18 11:13:44,814 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 576 587) the Hoare annotation is: true [2018-11-18 11:13:44,814 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 576 587) no Hoare annotation was computed. [2018-11-18 11:13:44,814 INFO L425 ceAbstractionStarter]: For program point L580-1(lines 576 587) no Hoare annotation was computed. [2018-11-18 11:13:44,814 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 588 596) the Hoare annotation is: true [2018-11-18 11:13:44,814 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 588 596) no Hoare annotation was computed. [2018-11-18 11:13:44,814 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 588 596) no Hoare annotation was computed. [2018-11-18 11:13:44,815 INFO L421 ceAbstractionStarter]: At program point L727(line 727) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and (= ~waterLevel~0 1) .cse0 .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse2 (and .cse0 (= ~waterLevel~0 2) .cse1) (not (= |old(~waterLevel~0)| 2))))) [2018-11-18 11:13:44,815 INFO L421 ceAbstractionStarter]: At program point L725(lines 725 731) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse1)) (or .cse0 (not (= |old(~waterLevel~0)| 2)) (and (= ~waterLevel~0 2) .cse1)))) [2018-11-18 11:13:44,815 INFO L421 ceAbstractionStarter]: At program point L720(line 720) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= |old(~waterLevel~0)| 2))))) [2018-11-18 11:13:44,815 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 714 737) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse1)) (or .cse0 (not (= |old(~waterLevel~0)| 2)) (and (= ~waterLevel~0 2) .cse1)))) [2018-11-18 11:13:44,815 INFO L425 ceAbstractionStarter]: For program point L718(lines 717 736) no Hoare annotation was computed. [2018-11-18 11:13:44,815 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 714 737) no Hoare annotation was computed. [2018-11-18 11:13:44,815 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 714 737) no Hoare annotation was computed. [2018-11-18 11:13:44,815 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-18 11:13:44,815 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-18 11:13:44,815 INFO L428 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-18 11:13:44,816 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 66) no Hoare annotation was computed. [2018-11-18 11:13:44,816 INFO L428 ceAbstractionStarter]: At program point L52-3(lines 52 66) the Hoare annotation is: true [2018-11-18 11:13:44,816 INFO L428 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-18 11:13:44,816 INFO L425 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-18 11:13:44,816 INFO L428 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-18 11:13:44,816 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-18 11:13:44,816 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-18 11:13:44,816 INFO L425 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-18 11:13:44,816 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 552 563) the Hoare annotation is: true [2018-11-18 11:13:44,816 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 552 563) no Hoare annotation was computed. [2018-11-18 11:13:44,816 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 552 563) no Hoare annotation was computed. [2018-11-18 11:13:44,816 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-18 11:13:44,817 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-18 11:13:44,817 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:13:44,817 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 11:13:44,817 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:13:44,817 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:13:44,817 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 564 575) no Hoare annotation was computed. [2018-11-18 11:13:44,817 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 564 575) no Hoare annotation was computed. [2018-11-18 11:13:44,817 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 564 575) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= ~waterLevel~0 2) (not (= |old(~waterLevel~0)| 2))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2018-11-18 11:13:44,817 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 948 955) no Hoare annotation was computed. [2018-11-18 11:13:44,817 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 948 955) the Hoare annotation is: true [2018-11-18 11:13:44,817 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 952) no Hoare annotation was computed. [2018-11-18 11:13:44,817 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 948 955) no Hoare annotation was computed. [2018-11-18 11:13:44,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:13:44 BoogieIcfgContainer [2018-11-18 11:13:44,827 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:13:44,827 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:13:44,827 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:13:44,827 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:13:44,828 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:13:36" (3/4) ... [2018-11-18 11:13:44,831 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:13:44,835 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 11:13:44,836 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 11:13:44,836 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-18 11:13:44,836 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:13:44,836 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:13:44,836 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 11:13:44,836 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 11:13:44,836 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 11:13:44,836 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 11:13:44,836 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 11:13:44,836 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 11:13:44,836 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 11:13:44,837 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 11:13:44,837 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 11:13:44,837 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 11:13:44,837 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 11:13:44,837 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:13:44,837 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 11:13:44,837 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 11:13:44,837 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 11:13:44,837 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 11:13:44,837 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 11:13:44,837 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 11:13:44,838 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 11:13:44,838 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 11:13:44,838 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 11:13:44,844 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-11-18 11:13:44,845 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 11:13:44,845 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 11:13:44,869 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((waterLevel == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || ((waterLevel == 2 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) [2018-11-18 11:13:44,870 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 11:13:44,906 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a168dd13-33d5-4e1a-9387-9d1ecbf48bb7/bin-2019/utaipan/witness.graphml [2018-11-18 11:13:44,906 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:13:44,906 INFO L168 Benchmark]: Toolchain (without parser) took 9135.59 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 557.3 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -121.6 MB). Peak memory consumption was 435.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:13:44,907 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:13:44,908 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -191.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:13:44,908 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:13:44,908 INFO L168 Benchmark]: Boogie Preprocessor took 32.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:13:44,908 INFO L168 Benchmark]: RCFGBuilder took 479.39 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: 54.9 MB). Peak memory consumption was 54.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:13:44,909 INFO L168 Benchmark]: TraceAbstraction took 8113.15 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 400.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.8 MB). Peak memory consumption was 408.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:13:44,909 INFO L168 Benchmark]: Witness Printer took 78.78 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-18 11:13:44,911 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 399.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -191.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 479.39 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: 54.9 MB). Peak memory consumption was 54.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8113.15 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 400.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.8 MB). Peak memory consumption was 408.4 MB. Max. memory is 11.5 GB. * Witness Printer took 78.78 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 952]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((waterLevel == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || ((waterLevel == 2 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 143 locations, 1 error locations. SAFE Result, 8.0s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 4.7s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 889 SDtfs, 927 SDslu, 2808 SDs, 0 SdLazy, 1280 SolverSat, 228 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 155 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=669occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.5s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.997070320925492 AbsIntWeakeningRatio, 1.0561797752808988 AbsIntAvgWeakeningVarsNumRemoved, 76.40449438202248 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 32 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 789 PreInvPairs, 836 NumberOfFragments, 956 HoareAnnotationTreeSize, 789 FomulaSimplifications, 2142 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 60 FomulaSimplificationsInter, 4275 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 350 ConstructedInterpolants, 0 QuantifiedInterpolants, 44977 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 21/24 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...