./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product21_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0b6a80b9-ed05-4dcb-ba64-ebea56f7f6b0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0b6a80b9-ed05-4dcb-ba64-ebea56f7f6b0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0b6a80b9-ed05-4dcb-ba64-ebea56f7f6b0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0b6a80b9-ed05-4dcb-ba64-ebea56f7f6b0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product21_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0b6a80b9-ed05-4dcb-ba64-ebea56f7f6b0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0b6a80b9-ed05-4dcb-ba64-ebea56f7f6b0/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 b51e4d4f6750e9cf93bd85ecf4b933ea1ea8886c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 05:15:22,227 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 05:15:22,228 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 05:15:22,234 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 05:15:22,234 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 05:15:22,235 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 05:15:22,235 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 05:15:22,236 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 05:15:22,237 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 05:15:22,237 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 05:15:22,238 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 05:15:22,238 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 05:15:22,238 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 05:15:22,239 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 05:15:22,240 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 05:15:22,240 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 05:15:22,240 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 05:15:22,241 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 05:15:22,242 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 05:15:22,243 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 05:15:22,243 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 05:15:22,244 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 05:15:22,245 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 05:15:22,245 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 05:15:22,245 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 05:15:22,246 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 05:15:22,246 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 05:15:22,247 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 05:15:22,247 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 05:15:22,248 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 05:15:22,248 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 05:15:22,248 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 05:15:22,248 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 05:15:22,249 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 05:15:22,249 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 05:15:22,249 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 05:15:22,250 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0b6a80b9-ed05-4dcb-ba64-ebea56f7f6b0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 05:15:22,257 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 05:15:22,257 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 05:15:22,257 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 05:15:22,257 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 05:15:22,258 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 05:15:22,258 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 05:15:22,258 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 05:15:22,258 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 05:15:22,258 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 05:15:22,258 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 05:15:22,258 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 05:15:22,258 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 05:15:22,259 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 05:15:22,259 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 05:15:22,259 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 05:15:22,259 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 05:15:22,259 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 05:15:22,259 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 05:15:22,259 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 05:15:22,260 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 05:15:22,260 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 05:15:22,260 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 05:15:22,260 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 05:15:22,260 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 05:15:22,260 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 05:15:22,260 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 05:15:22,260 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 05:15:22,261 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 05:15:22,261 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 05:15:22,261 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 05:15:22,261 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 05:15:22,261 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 05:15:22,261 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 05:15:22,261 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 05:15:22,261 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 05:15:22,261 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 05:15:22,262 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_0b6a80b9-ed05-4dcb-ba64-ebea56f7f6b0/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 -> b51e4d4f6750e9cf93bd85ecf4b933ea1ea8886c [2018-12-09 05:15:22,278 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 05:15:22,285 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 05:15:22,287 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 05:15:22,288 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 05:15:22,289 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 05:15:22,289 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0b6a80b9-ed05-4dcb-ba64-ebea56f7f6b0/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product21_true-unreach-call_false-termination.cil.c [2018-12-09 05:15:22,323 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b6a80b9-ed05-4dcb-ba64-ebea56f7f6b0/bin-2019/utaipan/data/694e3da49/9b19de83140946d2bfb9b8e39519f30a/FLAG4e104100a [2018-12-09 05:15:22,754 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 05:15:22,755 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0b6a80b9-ed05-4dcb-ba64-ebea56f7f6b0/sv-benchmarks/c/product-lines/minepump_spec2_product21_true-unreach-call_false-termination.cil.c [2018-12-09 05:15:22,761 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b6a80b9-ed05-4dcb-ba64-ebea56f7f6b0/bin-2019/utaipan/data/694e3da49/9b19de83140946d2bfb9b8e39519f30a/FLAG4e104100a [2018-12-09 05:15:22,769 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0b6a80b9-ed05-4dcb-ba64-ebea56f7f6b0/bin-2019/utaipan/data/694e3da49/9b19de83140946d2bfb9b8e39519f30a [2018-12-09 05:15:22,771 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 05:15:22,771 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 05:15:22,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 05:15:22,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 05:15:22,774 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 05:15:22,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:15:22" (1/1) ... [2018-12-09 05:15:22,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:15:22, skipping insertion in model container [2018-12-09 05:15:22,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:15:22" (1/1) ... [2018-12-09 05:15:22,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 05:15:22,806 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 05:15:22,966 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:15:23,009 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 05:15:23,047 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:15:23,063 INFO L195 MainTranslator]: Completed translation [2018-12-09 05:15:23,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:15:23 WrapperNode [2018-12-09 05:15:23,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 05:15:23,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 05:15:23,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 05:15:23,064 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 05:15:23,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:15:23" (1/1) ... [2018-12-09 05:15:23,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:15:23" (1/1) ... [2018-12-09 05:15:23,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 05:15:23,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 05:15:23,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 05:15:23,084 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 05:15:23,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:15:23" (1/1) ... [2018-12-09 05:15:23,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:15:23" (1/1) ... [2018-12-09 05:15:23,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:15:23" (1/1) ... [2018-12-09 05:15:23,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:15:23" (1/1) ... [2018-12-09 05:15:23,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:15:23" (1/1) ... [2018-12-09 05:15:23,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:15:23" (1/1) ... [2018-12-09 05:15:23,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:15:23" (1/1) ... [2018-12-09 05:15:23,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 05:15:23,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 05:15:23,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 05:15:23,107 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 05:15:23,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:15:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b6a80b9-ed05-4dcb-ba64-ebea56f7f6b0/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 [2018-12-09 05:15:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 05:15:23,141 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 05:15:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 05:15:23,141 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 05:15:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 05:15:23,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 05:15:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 05:15:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 05:15:23,141 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 05:15:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 05:15:23,141 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 05:15:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 05:15:23,142 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 05:15:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 05:15:23,142 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 05:15:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 05:15:23,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 05:15:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-09 05:15:23,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-09 05:15:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-09 05:15:23,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-09 05:15:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 05:15:23,142 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 05:15:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 05:15:23,142 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 05:15:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 05:15:23,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 05:15:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 05:15:23,143 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 05:15:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 05:15:23,143 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 05:15:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 05:15:23,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 05:15:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 05:15:23,143 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 05:15:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 05:15:23,143 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 05:15:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 05:15:23,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 05:15:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 05:15:23,143 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 05:15:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 05:15:23,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 05:15:23,144 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 05:15:23,144 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 05:15:23,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 05:15:23,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 05:15:23,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 05:15:23,144 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 05:15:23,144 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 05:15:23,144 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 05:15:23,144 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 05:15:23,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 05:15:23,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 05:15:23,422 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 05:15:23,422 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 05:15:23,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:15:23 BoogieIcfgContainer [2018-12-09 05:15:23,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 05:15:23,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 05:15:23,423 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 05:15:23,426 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 05:15:23,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:15:22" (1/3) ... [2018-12-09 05:15:23,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d47287b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:15:23, skipping insertion in model container [2018-12-09 05:15:23,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:15:23" (2/3) ... [2018-12-09 05:15:23,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d47287b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:15:23, skipping insertion in model container [2018-12-09 05:15:23,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:15:23" (3/3) ... [2018-12-09 05:15:23,429 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product21_true-unreach-call_false-termination.cil.c [2018-12-09 05:15:23,437 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 05:15:23,443 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 05:15:23,453 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 05:15:23,475 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 05:15:23,475 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 05:15:23,476 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 05:15:23,476 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 05:15:23,476 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 05:15:23,476 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 05:15:23,476 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 05:15:23,476 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 05:15:23,490 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2018-12-09 05:15:23,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 05:15:23,496 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:15:23,496 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:15:23,498 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:15:23,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:15:23,502 INFO L82 PathProgramCache]: Analyzing trace with hash -681198731, now seen corresponding path program 1 times [2018-12-09 05:15:23,503 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:15:23,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:15:23,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:15:23,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:15:23,532 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:15:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:15:23,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:15:23,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:15:23,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 05:15:23,683 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:15:23,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 05:15:23,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 05:15:23,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 05:15:23,696 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2018-12-09 05:15:23,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:15:23,724 INFO L93 Difference]: Finished difference Result 244 states and 307 transitions. [2018-12-09 05:15:23,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 05:15:23,725 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-09 05:15:23,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:15:23,733 INFO L225 Difference]: With dead ends: 244 [2018-12-09 05:15:23,733 INFO L226 Difference]: Without dead ends: 124 [2018-12-09 05:15:23,736 INFO L631 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 [2018-12-09 05:15:23,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-12-09 05:15:23,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-12-09 05:15:23,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-12-09 05:15:23,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 147 transitions. [2018-12-09 05:15:23,772 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 147 transitions. Word has length 51 [2018-12-09 05:15:23,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:15:23,772 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 147 transitions. [2018-12-09 05:15:23,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 05:15:23,773 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 147 transitions. [2018-12-09 05:15:23,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 05:15:23,775 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:15:23,775 INFO L402 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] [2018-12-09 05:15:23,776 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:15:23,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:15:23,776 INFO L82 PathProgramCache]: Analyzing trace with hash -2010596111, now seen corresponding path program 1 times [2018-12-09 05:15:23,776 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:15:23,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:15:23,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:15:23,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:15:23,777 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:15:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:15:23,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:15:23,844 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:15:23,844 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 05:15:23,844 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:15:23,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 05:15:23,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 05:15:23,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 05:15:23,846 INFO L87 Difference]: Start difference. First operand 124 states and 147 transitions. Second operand 3 states. [2018-12-09 05:15:23,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:15:23,863 INFO L93 Difference]: Finished difference Result 193 states and 229 transitions. [2018-12-09 05:15:23,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 05:15:23,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-09 05:15:23,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:15:23,865 INFO L225 Difference]: With dead ends: 193 [2018-12-09 05:15:23,865 INFO L226 Difference]: Without dead ends: 115 [2018-12-09 05:15:23,866 INFO L631 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 [2018-12-09 05:15:23,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-12-09 05:15:23,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-12-09 05:15:23,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-12-09 05:15:23,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2018-12-09 05:15:23,877 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 52 [2018-12-09 05:15:23,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:15:23,877 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2018-12-09 05:15:23,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 05:15:23,877 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2018-12-09 05:15:23,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 05:15:23,879 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:15:23,879 INFO L402 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] [2018-12-09 05:15:23,879 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:15:23,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:15:23,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1831288974, now seen corresponding path program 1 times [2018-12-09 05:15:23,880 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:15:23,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:15:23,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:15:23,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:15:23,881 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:15:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:15:23,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:15:23,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:15:23,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 05:15:23,978 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:15:23,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 05:15:23,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 05:15:23,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 05:15:23,978 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 7 states. [2018-12-09 05:15:24,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:15:24,138 INFO L93 Difference]: Finished difference Result 202 states and 243 transitions. [2018-12-09 05:15:24,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 05:15:24,138 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-09 05:15:24,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:15:24,140 INFO L225 Difference]: With dead ends: 202 [2018-12-09 05:15:24,140 INFO L226 Difference]: Without dead ends: 115 [2018-12-09 05:15:24,141 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 05:15:24,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-12-09 05:15:24,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-12-09 05:15:24,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-12-09 05:15:24,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2018-12-09 05:15:24,151 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 56 [2018-12-09 05:15:24,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:15:24,151 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2018-12-09 05:15:24,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 05:15:24,151 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2018-12-09 05:15:24,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 05:15:24,153 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:15:24,153 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:15:24,153 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:15:24,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:15:24,154 INFO L82 PathProgramCache]: Analyzing trace with hash 167246038, now seen corresponding path program 1 times [2018-12-09 05:15:24,154 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:15:24,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:15:24,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:15:24,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:15:24,155 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:15:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:15:24,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:15:24,228 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:15:24,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 05:15:24,229 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:15:24,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 05:15:24,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 05:15:24,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 05:15:24,230 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 6 states. [2018-12-09 05:15:24,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:15:24,347 INFO L93 Difference]: Finished difference Result 281 states and 341 transitions. [2018-12-09 05:15:24,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 05:15:24,347 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2018-12-09 05:15:24,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:15:24,349 INFO L225 Difference]: With dead ends: 281 [2018-12-09 05:15:24,349 INFO L226 Difference]: Without dead ends: 194 [2018-12-09 05:15:24,350 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 05:15:24,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2018-12-09 05:15:24,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 192. [2018-12-09 05:15:24,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-12-09 05:15:24,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 228 transitions. [2018-12-09 05:15:24,363 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 228 transitions. Word has length 69 [2018-12-09 05:15:24,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:15:24,363 INFO L480 AbstractCegarLoop]: Abstraction has 192 states and 228 transitions. [2018-12-09 05:15:24,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 05:15:24,363 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 228 transitions. [2018-12-09 05:15:24,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-09 05:15:24,364 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:15:24,365 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:15:24,365 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:15:24,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:15:24,365 INFO L82 PathProgramCache]: Analyzing trace with hash -93930438, now seen corresponding path program 1 times [2018-12-09 05:15:24,365 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:15:24,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:15:24,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:15:24,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:15:24,366 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:15:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:15:24,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:15:24,431 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:15:24,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 05:15:24,431 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:15:24,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 05:15:24,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 05:15:24,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 05:15:24,432 INFO L87 Difference]: Start difference. First operand 192 states and 228 transitions. Second operand 7 states. [2018-12-09 05:15:24,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:15:24,600 INFO L93 Difference]: Finished difference Result 290 states and 353 transitions. [2018-12-09 05:15:24,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 05:15:24,600 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2018-12-09 05:15:24,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:15:24,601 INFO L225 Difference]: With dead ends: 290 [2018-12-09 05:15:24,601 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 05:15:24,602 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-12-09 05:15:24,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 05:15:24,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 05:15:24,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 05:15:24,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 05:15:24,603 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2018-12-09 05:15:24,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:15:24,603 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 05:15:24,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 05:15:24,603 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 05:15:24,603 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 05:15:24,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 05:15:25,052 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 673 679) the Hoare annotation is: true [2018-12-09 05:15:25,053 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 673 679) no Hoare annotation was computed. [2018-12-09 05:15:25,053 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 680 688) no Hoare annotation was computed. [2018-12-09 05:15:25,053 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 680 688) the Hoare annotation is: true [2018-12-09 05:15:25,053 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 680 688) no Hoare annotation was computed. [2018-12-09 05:15:25,053 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 529 551) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 05:15:25,053 INFO L444 ceAbstractionStarter]: At program point L541(line 541) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 05:15:25,053 INFO L444 ceAbstractionStarter]: At program point L541-1(line 541) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 05:15:25,053 INFO L448 ceAbstractionStarter]: For program point L539(lines 539 546) no Hoare annotation was computed. [2018-12-09 05:15:25,053 INFO L448 ceAbstractionStarter]: For program point L539-1(lines 539 546) no Hoare annotation was computed. [2018-12-09 05:15:25,053 INFO L448 ceAbstractionStarter]: For program point L537(line 537) no Hoare annotation was computed. [2018-12-09 05:15:25,053 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 529 551) no Hoare annotation was computed. [2018-12-09 05:15:25,053 INFO L444 ceAbstractionStarter]: At program point L536(line 536) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 05:15:25,054 INFO L444 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 05:15:25,054 INFO L444 ceAbstractionStarter]: At program point L535-1(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 05:15:25,054 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 529 551) no Hoare annotation was computed. [2018-12-09 05:15:25,054 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 805 813) no Hoare annotation was computed. [2018-12-09 05:15:25,054 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 805 813) the Hoare annotation is: true [2018-12-09 05:15:25,054 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 805 813) no Hoare annotation was computed. [2018-12-09 05:15:25,054 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 863) no Hoare annotation was computed. [2018-12-09 05:15:25,054 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 850 868) the Hoare annotation is: true [2018-12-09 05:15:25,054 INFO L451 ceAbstractionStarter]: At program point L857(line 857) the Hoare annotation is: true [2018-12-09 05:15:25,054 INFO L448 ceAbstractionStarter]: For program point L859-2(lines 859 863) no Hoare annotation was computed. [2018-12-09 05:15:25,054 INFO L448 ceAbstractionStarter]: For program point L857-1(line 857) no Hoare annotation was computed. [2018-12-09 05:15:25,054 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 850 868) no Hoare annotation was computed. [2018-12-09 05:15:25,054 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 850 868) no Hoare annotation was computed. [2018-12-09 05:15:25,055 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 666 672) no Hoare annotation was computed. [2018-12-09 05:15:25,055 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 666 672) the Hoare annotation is: true [2018-12-09 05:15:25,055 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 515 525) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 05:15:25,055 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 515 525) no Hoare annotation was computed. [2018-12-09 05:15:25,055 INFO L444 ceAbstractionStarter]: At program point L520(line 520) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 05:15:25,055 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 515 525) no Hoare annotation was computed. [2018-12-09 05:15:25,055 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 794 804) the Hoare annotation is: true [2018-12-09 05:15:25,055 INFO L451 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: true [2018-12-09 05:15:25,055 INFO L448 ceAbstractionStarter]: For program point L799-1(line 799) no Hoare annotation was computed. [2018-12-09 05:15:25,055 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 794 804) no Hoare annotation was computed. [2018-12-09 05:15:25,055 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 794 804) no Hoare annotation was computed. [2018-12-09 05:15:25,055 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 786 793) the Hoare annotation is: true [2018-12-09 05:15:25,055 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 786 793) no Hoare annotation was computed. [2018-12-09 05:15:25,055 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 786 793) no Hoare annotation was computed. [2018-12-09 05:15:25,056 INFO L444 ceAbstractionStarter]: At program point L767(line 767) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 05:15:25,056 INFO L444 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 05:15:25,056 INFO L448 ceAbstractionStarter]: For program point L761(lines 761 769) no Hoare annotation was computed. [2018-12-09 05:15:25,056 INFO L444 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 05:15:25,056 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 753 777) no Hoare annotation was computed. [2018-12-09 05:15:25,056 INFO L448 ceAbstractionStarter]: For program point L759-1(line 759) no Hoare annotation was computed. [2018-12-09 05:15:25,056 INFO L448 ceAbstractionStarter]: For program point L757(lines 757 774) no Hoare annotation was computed. [2018-12-09 05:15:25,056 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 753 777) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 05:15:25,056 INFO L444 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 05:15:25,056 INFO L448 ceAbstractionStarter]: For program point L772-1(lines 753 777) no Hoare annotation was computed. [2018-12-09 05:15:25,056 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 719 725) no Hoare annotation was computed. [2018-12-09 05:15:25,056 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 719 725) the Hoare annotation is: true [2018-12-09 05:15:25,056 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 870 933) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 05:15:25,056 INFO L444 ceAbstractionStarter]: At program point L892(line 892) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-09 05:15:25,056 INFO L444 ceAbstractionStarter]: At program point L923(lines 880 925) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-09 05:15:25,056 INFO L448 ceAbstractionStarter]: For program point L890(lines 890 896) no Hoare annotation was computed. [2018-12-09 05:15:25,056 INFO L448 ceAbstractionStarter]: For program point L890-1(lines 890 896) no Hoare annotation was computed. [2018-12-09 05:15:25,056 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 870 933) no Hoare annotation was computed. [2018-12-09 05:15:25,057 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 886) no Hoare annotation was computed. [2018-12-09 05:15:25,057 INFO L444 ceAbstractionStarter]: At program point L926(lines 879 927) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 05:15:25,057 INFO L448 ceAbstractionStarter]: For program point L916(lines 916 920) no Hoare annotation was computed. [2018-12-09 05:15:25,057 INFO L444 ceAbstractionStarter]: At program point L916-2(lines 910 921) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-09 05:15:25,057 INFO L448 ceAbstractionStarter]: For program point L881(lines 880 925) no Hoare annotation was computed. [2018-12-09 05:15:25,057 INFO L448 ceAbstractionStarter]: For program point L910(lines 910 921) no Hoare annotation was computed. [2018-12-09 05:15:25,057 INFO L444 ceAbstractionStarter]: At program point L902(line 902) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-09 05:15:25,057 INFO L448 ceAbstractionStarter]: For program point L900(lines 900 906) no Hoare annotation was computed. [2018-12-09 05:15:25,057 INFO L448 ceAbstractionStarter]: For program point L900-1(lines 900 906) no Hoare annotation was computed. [2018-12-09 05:15:25,057 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 870 933) no Hoare annotation was computed. [2018-12-09 05:15:25,057 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 636 644) no Hoare annotation was computed. [2018-12-09 05:15:25,057 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 636 644) the Hoare annotation is: true [2018-12-09 05:15:25,057 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 636 644) no Hoare annotation was computed. [2018-12-09 05:15:25,057 INFO L444 ceAbstractionStarter]: At program point L433(line 433) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-12-09 05:15:25,057 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 418 446) the Hoare annotation is: true [2018-12-09 05:15:25,057 INFO L448 ceAbstractionStarter]: For program point L431(lines 431 437) no Hoare annotation was computed. [2018-12-09 05:15:25,057 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 440) no Hoare annotation was computed. [2018-12-09 05:15:25,057 INFO L444 ceAbstractionStarter]: At program point L428(line 428) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 05:15:25,057 INFO L448 ceAbstractionStarter]: For program point L428-1(line 428) no Hoare annotation was computed. [2018-12-09 05:15:25,057 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 443) no Hoare annotation was computed. [2018-12-09 05:15:25,058 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 418 446) no Hoare annotation was computed. [2018-12-09 05:15:25,058 INFO L451 ceAbstractionStarter]: At program point L424(line 424) the Hoare annotation is: true [2018-12-09 05:15:25,058 INFO L448 ceAbstractionStarter]: For program point L424-1(line 424) no Hoare annotation was computed. [2018-12-09 05:15:25,058 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 418 446) no Hoare annotation was computed. [2018-12-09 05:15:25,058 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 410 417) the Hoare annotation is: true [2018-12-09 05:15:25,058 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 410 417) no Hoare annotation was computed. [2018-12-09 05:15:25,058 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 410 417) no Hoare annotation was computed. [2018-12-09 05:15:25,058 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 05:15:25,058 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-09 05:15:25,058 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 05:15:25,058 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 583 594) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 05:15:25,058 INFO L448 ceAbstractionStarter]: For program point L587-1(lines 583 594) no Hoare annotation was computed. [2018-12-09 05:15:25,058 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 583 594) no Hoare annotation was computed. [2018-12-09 05:15:25,058 INFO L444 ceAbstractionStarter]: At program point L701(line 701) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 05:15:25,058 INFO L448 ceAbstractionStarter]: For program point L699(lines 698 717) no Hoare annotation was computed. [2018-12-09 05:15:25,058 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 695 718) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 05:15:25,058 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 695 718) no Hoare annotation was computed. [2018-12-09 05:15:25,058 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 695 718) no Hoare annotation was computed. [2018-12-09 05:15:25,058 INFO L444 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 05:15:25,058 INFO L444 ceAbstractionStarter]: At program point L706(lines 706 712) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 05:15:25,059 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 450 479) no Hoare annotation was computed. [2018-12-09 05:15:25,059 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 450 479) the Hoare annotation is: true [2018-12-09 05:15:25,059 INFO L451 ceAbstractionStarter]: At program point L475(lines 450 479) the Hoare annotation is: true [2018-12-09 05:15:25,059 INFO L448 ceAbstractionStarter]: For program point L471(line 471) no Hoare annotation was computed. [2018-12-09 05:15:25,059 INFO L448 ceAbstractionStarter]: For program point L464(lines 464 468) no Hoare annotation was computed. [2018-12-09 05:15:25,059 INFO L451 ceAbstractionStarter]: At program point L464-1(lines 464 468) the Hoare annotation is: true [2018-12-09 05:15:25,059 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-09 05:15:25,059 INFO L451 ceAbstractionStarter]: At program point L460-2(lines 460 474) the Hoare annotation is: true [2018-12-09 05:15:25,059 INFO L451 ceAbstractionStarter]: At program point L456(line 456) the Hoare annotation is: true [2018-12-09 05:15:25,059 INFO L448 ceAbstractionStarter]: For program point L456-1(line 456) no Hoare annotation was computed. [2018-12-09 05:15:25,059 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 595 603) the Hoare annotation is: true [2018-12-09 05:15:25,059 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 595 603) no Hoare annotation was computed. [2018-12-09 05:15:25,059 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 595 603) no Hoare annotation was computed. [2018-12-09 05:15:25,059 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 559 570) the Hoare annotation is: true [2018-12-09 05:15:25,059 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 559 570) no Hoare annotation was computed. [2018-12-09 05:15:25,059 INFO L448 ceAbstractionStarter]: For program point L563-1(lines 559 570) no Hoare annotation was computed. [2018-12-09 05:15:25,059 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 507 513) no Hoare annotation was computed. [2018-12-09 05:15:25,059 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 507 513) the Hoare annotation is: true [2018-12-09 05:15:25,059 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 05:15:25,059 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-09 05:15:25,059 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 05:15:25,060 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 05:15:25,060 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 571 582) no Hoare annotation was computed. [2018-12-09 05:15:25,060 INFO L448 ceAbstractionStarter]: For program point L575-1(lines 571 582) no Hoare annotation was computed. [2018-12-09 05:15:25,060 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 571 582) the Hoare annotation is: true [2018-12-09 05:15:25,060 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 646 653) no Hoare annotation was computed. [2018-12-09 05:15:25,060 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 650) no Hoare annotation was computed. [2018-12-09 05:15:25,060 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 646 653) the Hoare annotation is: true [2018-12-09 05:15:25,060 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 646 653) no Hoare annotation was computed. [2018-12-09 05:15:25,060 INFO L444 ceAbstractionStarter]: At program point L737(line 737) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 05:15:25,060 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 743) no Hoare annotation was computed. [2018-12-09 05:15:25,060 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 727 751) no Hoare annotation was computed. [2018-12-09 05:15:25,060 INFO L444 ceAbstractionStarter]: At program point L733(line 733) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 05:15:25,060 INFO L448 ceAbstractionStarter]: For program point L733-1(line 733) no Hoare annotation was computed. [2018-12-09 05:15:25,060 INFO L448 ceAbstractionStarter]: For program point L731(lines 731 748) no Hoare annotation was computed. [2018-12-09 05:15:25,060 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 727 751) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 05:15:25,060 INFO L444 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 05:15:25,060 INFO L448 ceAbstractionStarter]: For program point L746-1(lines 727 751) no Hoare annotation was computed. [2018-12-09 05:15:25,061 INFO L444 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 05:15:25,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:15:25 BoogieIcfgContainer [2018-12-09 05:15:25,068 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 05:15:25,068 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 05:15:25,068 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 05:15:25,069 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 05:15:25,069 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:15:23" (3/4) ... [2018-12-09 05:15:25,071 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 05:15:25,076 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 05:15:25,076 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 05:15:25,076 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 05:15:25,076 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 05:15:25,076 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 05:15:25,076 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 05:15:25,076 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 05:15:25,076 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 05:15:25,076 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 05:15:25,076 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 05:15:25,076 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 05:15:25,076 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 05:15:25,076 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 05:15:25,076 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-09 05:15:25,076 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-09 05:15:25,076 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 05:15:25,076 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 05:15:25,076 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 05:15:25,077 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 05:15:25,077 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 05:15:25,077 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 05:15:25,077 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 05:15:25,077 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 05:15:25,077 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 05:15:25,077 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 05:15:25,081 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-09 05:15:25,081 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 05:15:25,081 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 05:15:25,081 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 05:15:25,082 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 05:15:25,082 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 05:15:25,099 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) [2018-12-09 05:15:25,099 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 05:15:25,122 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0b6a80b9-ed05-4dcb-ba64-ebea56f7f6b0/bin-2019/utaipan/witness.graphml [2018-12-09 05:15:25,122 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 05:15:25,123 INFO L168 Benchmark]: Toolchain (without parser) took 2351.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 212.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -183.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2018-12-09 05:15:25,123 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:15:25,124 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -144.2 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 05:15:25,124 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:15:25,124 INFO L168 Benchmark]: Boogie Preprocessor took 22.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:15:25,124 INFO L168 Benchmark]: RCFGBuilder took 315.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. [2018-12-09 05:15:25,124 INFO L168 Benchmark]: TraceAbstraction took 1645.29 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 101.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -99.7 MB). Peak memory consumption was 293.4 MB. Max. memory is 11.5 GB. [2018-12-09 05:15:25,124 INFO L168 Benchmark]: Witness Printer took 53.74 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: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. [2018-12-09 05:15:25,125 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 291.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -144.2 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 315.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1645.29 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 101.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -99.7 MB). Peak memory consumption was 293.4 MB. Max. memory is 11.5 GB. * Witness Printer took 53.74 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: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 650]: 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: 450]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 137 locations, 1 error locations. SAFE Result, 1.5s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 638 SDtfs, 372 SDslu, 1009 SDs, 0 SdLazy, 357 SolverSat, 107 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 319 PreInvPairs, 332 NumberOfFragments, 502 HoareAnnotationTreeSize, 319 FomulaSimplifications, 68 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 58 FomulaSimplificationsInter, 846 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 301 NumberOfCodeBlocks, 301 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 33244 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...