./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product07_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a88730e2-d86b-468c-9c92-a2442b592277/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a88730e2-d86b-468c-9c92-a2442b592277/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a88730e2-d86b-468c-9c92-a2442b592277/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a88730e2-d86b-468c-9c92-a2442b592277/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product07_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a88730e2-d86b-468c-9c92-a2442b592277/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a88730e2-d86b-468c-9c92-a2442b592277/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 eee003d188141d192a4a75bb282a26c7c76ed342 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:04:12,194 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:04:12,195 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:04:12,201 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:04:12,201 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:04:12,202 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:04:12,202 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:04:12,203 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:04:12,204 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:04:12,205 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:04:12,206 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:04:12,206 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:04:12,206 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:04:12,207 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:04:12,208 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:04:12,208 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:04:12,209 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:04:12,209 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:04:12,211 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:04:12,211 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:04:12,212 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:04:12,213 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:04:12,215 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:04:12,215 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:04:12,215 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:04:12,215 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:04:12,216 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:04:12,216 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:04:12,217 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:04:12,218 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:04:12,218 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:04:12,218 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:04:12,218 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:04:12,219 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:04:12,219 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:04:12,220 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:04:12,220 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a88730e2-d86b-468c-9c92-a2442b592277/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 12:04:12,227 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:04:12,227 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:04:12,228 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:04:12,228 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 12:04:12,228 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 12:04:12,228 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 12:04:12,228 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 12:04:12,229 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 12:04:12,229 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 12:04:12,229 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 12:04:12,229 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 12:04:12,229 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:04:12,230 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:04:12,230 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:04:12,230 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:04:12,230 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:04:12,230 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:04:12,230 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:04:12,230 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:04:12,231 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:04:12,231 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:04:12,231 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:04:12,231 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:04:12,231 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:04:12,231 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:04:12,231 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 12:04:12,231 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:04:12,232 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:04:12,232 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:04:12,232 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:04:12,232 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 12:04:12,232 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:04:12,232 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:04:12,232 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 12:04:12,232 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_a88730e2-d86b-468c-9c92-a2442b592277/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 -> eee003d188141d192a4a75bb282a26c7c76ed342 [2018-11-10 12:04:12,256 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:04:12,265 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:04:12,268 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:04:12,269 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:04:12,269 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:04:12,270 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a88730e2-d86b-468c-9c92-a2442b592277/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product07_true-unreach-call_false-termination.cil.c [2018-11-10 12:04:12,315 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a88730e2-d86b-468c-9c92-a2442b592277/bin-2019/utaipan/data/cfac7b308/8c334a82a5154b80ab94f375d29ceda2/FLAG6607028d7 [2018-11-10 12:04:12,732 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:04:12,733 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a88730e2-d86b-468c-9c92-a2442b592277/sv-benchmarks/c/product-lines/minepump_spec1_product07_true-unreach-call_false-termination.cil.c [2018-11-10 12:04:12,739 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a88730e2-d86b-468c-9c92-a2442b592277/bin-2019/utaipan/data/cfac7b308/8c334a82a5154b80ab94f375d29ceda2/FLAG6607028d7 [2018-11-10 12:04:12,748 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a88730e2-d86b-468c-9c92-a2442b592277/bin-2019/utaipan/data/cfac7b308/8c334a82a5154b80ab94f375d29ceda2 [2018-11-10 12:04:12,750 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:04:12,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:04:12,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:04:12,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:04:12,753 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:04:12,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:04:12" (1/1) ... [2018-11-10 12:04:12,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26f4c881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:12, skipping insertion in model container [2018-11-10 12:04:12,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:04:12" (1/1) ... [2018-11-10 12:04:12,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:04:12,791 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:04:12,969 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:04:12,978 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:04:13,029 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:04:13,090 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:04:13,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:13 WrapperNode [2018-11-10 12:04:13,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:04:13,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:04:13,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:04:13,091 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:04:13,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:13" (1/1) ... [2018-11-10 12:04:13,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:13" (1/1) ... [2018-11-10 12:04:13,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:04:13,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:04:13,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:04:13,131 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:04:13,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:13" (1/1) ... [2018-11-10 12:04:13,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:13" (1/1) ... [2018-11-10 12:04:13,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:13" (1/1) ... [2018-11-10 12:04:13,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:13" (1/1) ... [2018-11-10 12:04:13,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:13" (1/1) ... [2018-11-10 12:04:13,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:13" (1/1) ... [2018-11-10 12:04:13,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:13" (1/1) ... [2018-11-10 12:04:13,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:04:13,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:04:13,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:04:13,157 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:04:13,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a88730e2-d86b-468c-9c92-a2442b592277/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:04:13,209 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 12:04:13,209 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 12:04:13,209 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 12:04:13,209 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 12:04:13,210 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-10 12:04:13,210 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-10 12:04:13,210 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 12:04:13,210 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 12:04:13,210 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 12:04:13,210 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 12:04:13,210 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 12:04:13,210 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 12:04:13,210 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 12:04:13,211 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 12:04:13,211 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 12:04:13,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 12:04:13,211 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 12:04:13,211 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 12:04:13,211 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 12:04:13,211 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 12:04:13,211 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 12:04:13,211 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 12:04:13,212 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 12:04:13,212 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 12:04:13,212 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 12:04:13,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 12:04:13,212 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 12:04:13,212 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 12:04:13,212 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 12:04:13,212 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 12:04:13,212 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 12:04:13,213 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 12:04:13,213 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 12:04:13,213 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 12:04:13,213 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 12:04:13,213 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 12:04:13,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 12:04:13,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 12:04:13,213 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 12:04:13,213 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 12:04:13,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:04:13,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:04:13,214 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 12:04:13,214 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 12:04:13,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-10 12:04:13,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-10 12:04:13,769 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:04:13,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:04:13 BoogieIcfgContainer [2018-11-10 12:04:13,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:04:13,770 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 12:04:13,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 12:04:13,772 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 12:04:13,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:04:12" (1/3) ... [2018-11-10 12:04:13,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e23665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:04:13, skipping insertion in model container [2018-11-10 12:04:13,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:13" (2/3) ... [2018-11-10 12:04:13,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e23665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:04:13, skipping insertion in model container [2018-11-10 12:04:13,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:04:13" (3/3) ... [2018-11-10 12:04:13,775 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product07_true-unreach-call_false-termination.cil.c [2018-11-10 12:04:13,780 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 12:04:13,786 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 12:04:13,796 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 12:04:13,818 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 12:04:13,818 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 12:04:13,818 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 12:04:13,818 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 12:04:13,818 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 12:04:13,818 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 12:04:13,818 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 12:04:13,818 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 12:04:13,834 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2018-11-10 12:04:13,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 12:04:13,839 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:04:13,840 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:04:13,842 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:04:13,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:04:13,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1914874725, now seen corresponding path program 1 times [2018-11-10 12:04:13,849 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:04:13,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:04:13,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:04:13,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:04:13,880 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:04:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:04:14,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:04:14,038 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:04:14,038 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 12:04:14,039 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:04:14,042 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 12:04:14,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 12:04:14,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 12:04:14,052 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2018-11-10 12:04:14,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:04:14,076 INFO L93 Difference]: Finished difference Result 214 states and 269 transitions. [2018-11-10 12:04:14,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 12:04:14,077 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-10 12:04:14,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:04:14,085 INFO L225 Difference]: With dead ends: 214 [2018-11-10 12:04:14,085 INFO L226 Difference]: Without dead ends: 107 [2018-11-10 12:04:14,088 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 12:04:14,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-11-10 12:04:14,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-11-10 12:04:14,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-11-10 12:04:14,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 126 transitions. [2018-11-10 12:04:14,117 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 126 transitions. Word has length 46 [2018-11-10 12:04:14,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:04:14,117 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 126 transitions. [2018-11-10 12:04:14,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 12:04:14,118 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 126 transitions. [2018-11-10 12:04:14,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 12:04:14,120 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:04:14,120 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:04:14,120 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:04:14,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:04:14,121 INFO L82 PathProgramCache]: Analyzing trace with hash -433664958, now seen corresponding path program 1 times [2018-11-10 12:04:14,121 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:04:14,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:04:14,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:04:14,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:04:14,122 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:04:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:04:14,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:04:14,213 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:04:14,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:04:14,213 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:04:14,215 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:04:14,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:04:14,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:04:14,215 INFO L87 Difference]: Start difference. First operand 107 states and 126 transitions. Second operand 3 states. [2018-11-10 12:04:14,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:04:14,232 INFO L93 Difference]: Finished difference Result 155 states and 181 transitions. [2018-11-10 12:04:14,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:04:14,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-10 12:04:14,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:04:14,234 INFO L225 Difference]: With dead ends: 155 [2018-11-10 12:04:14,234 INFO L226 Difference]: Without dead ends: 97 [2018-11-10 12:04:14,235 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:04:14,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-11-10 12:04:14,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-11-10 12:04:14,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-11-10 12:04:14,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 113 transitions. [2018-11-10 12:04:14,245 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 113 transitions. Word has length 48 [2018-11-10 12:04:14,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:04:14,245 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 113 transitions. [2018-11-10 12:04:14,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:04:14,245 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 113 transitions. [2018-11-10 12:04:14,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 12:04:14,246 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:04:14,247 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] [2018-11-10 12:04:14,247 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:04:14,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:04:14,247 INFO L82 PathProgramCache]: Analyzing trace with hash -2003506971, now seen corresponding path program 1 times [2018-11-10 12:04:14,247 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:04:14,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:04:14,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:04:14,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:04:14,248 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:04:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:04:14,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:04:14,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:04:14,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:04:14,342 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:04:14,342 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:04:14,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:04:14,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:04:14,343 INFO L87 Difference]: Start difference. First operand 97 states and 113 transitions. Second operand 3 states. [2018-11-10 12:04:14,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:04:14,370 INFO L93 Difference]: Finished difference Result 223 states and 269 transitions. [2018-11-10 12:04:14,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:04:14,371 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-10 12:04:14,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:04:14,374 INFO L225 Difference]: With dead ends: 223 [2018-11-10 12:04:14,374 INFO L226 Difference]: Without dead ends: 150 [2018-11-10 12:04:14,374 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:04:14,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-11-10 12:04:14,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 146. [2018-11-10 12:04:14,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-11-10 12:04:14,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 175 transitions. [2018-11-10 12:04:14,390 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 175 transitions. Word has length 52 [2018-11-10 12:04:14,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:04:14,391 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 175 transitions. [2018-11-10 12:04:14,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:04:14,391 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 175 transitions. [2018-11-10 12:04:14,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 12:04:14,392 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:04:14,393 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] [2018-11-10 12:04:14,393 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:04:14,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:04:14,393 INFO L82 PathProgramCache]: Analyzing trace with hash -79194058, now seen corresponding path program 1 times [2018-11-10 12:04:14,393 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:04:14,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:04:14,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:04:14,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:04:14,396 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:04:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:04:14,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:04:14,491 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:04:14,491 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 12:04:14,492 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:04:14,492 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 12:04:14,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 12:04:14,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 12:04:14,493 INFO L87 Difference]: Start difference. First operand 146 states and 175 transitions. Second operand 6 states. [2018-11-10 12:04:14,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:04:14,686 INFO L93 Difference]: Finished difference Result 379 states and 474 transitions. [2018-11-10 12:04:14,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 12:04:14,687 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-11-10 12:04:14,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:04:14,689 INFO L225 Difference]: With dead ends: 379 [2018-11-10 12:04:14,689 INFO L226 Difference]: Without dead ends: 257 [2018-11-10 12:04:14,689 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 12:04:14,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-11-10 12:04:14,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 253. [2018-11-10 12:04:14,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-11-10 12:04:14,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 308 transitions. [2018-11-10 12:04:14,712 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 308 transitions. Word has length 58 [2018-11-10 12:04:14,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:04:14,712 INFO L481 AbstractCegarLoop]: Abstraction has 253 states and 308 transitions. [2018-11-10 12:04:14,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 12:04:14,713 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 308 transitions. [2018-11-10 12:04:14,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 12:04:14,715 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:04:14,716 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] [2018-11-10 12:04:14,716 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:04:14,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:04:14,716 INFO L82 PathProgramCache]: Analyzing trace with hash -883991910, now seen corresponding path program 1 times [2018-11-10 12:04:14,716 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:04:14,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:04:14,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:04:14,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:04:14,717 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:04:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:04:14,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:04:14,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:04:14,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 12:04:14,816 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:04:14,816 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 12:04:14,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 12:04:14,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:04:14,817 INFO L87 Difference]: Start difference. First operand 253 states and 308 transitions. Second operand 7 states. [2018-11-10 12:04:15,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:04:15,129 INFO L93 Difference]: Finished difference Result 431 states and 542 transitions. [2018-11-10 12:04:15,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 12:04:15,130 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2018-11-10 12:04:15,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:04:15,131 INFO L225 Difference]: With dead ends: 431 [2018-11-10 12:04:15,131 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 12:04:15,133 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-10 12:04:15,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 12:04:15,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 12:04:15,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 12:04:15,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 12:04:15,134 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2018-11-10 12:04:15,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:04:15,134 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 12:04:15,135 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 12:04:15,135 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 12:04:15,135 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:04:15,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 12:04:15,615 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 236 243) the Hoare annotation is: true [2018-11-10 12:04:15,615 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 236 243) no Hoare annotation was computed. [2018-11-10 12:04:15,615 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 236 243) no Hoare annotation was computed. [2018-11-10 12:04:15,615 INFO L421 ceAbstractionStarter]: At program point L222(line 222) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-10 12:04:15,616 INFO L425 ceAbstractionStarter]: For program point L222-1(lines 203 227) no Hoare annotation was computed. [2018-11-10 12:04:15,616 INFO L421 ceAbstractionStarter]: At program point L217(line 217) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-10 12:04:15,616 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 203 227) no Hoare annotation was computed. [2018-11-10 12:04:15,616 INFO L421 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-10 12:04:15,616 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 203 227) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-10 12:04:15,616 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 219) no Hoare annotation was computed. [2018-11-10 12:04:15,616 INFO L421 ceAbstractionStarter]: At program point L209(line 209) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-10 12:04:15,616 INFO L425 ceAbstractionStarter]: For program point L209-1(line 209) no Hoare annotation was computed. [2018-11-10 12:04:15,621 INFO L425 ceAbstractionStarter]: For program point L207(lines 207 224) no Hoare annotation was computed. [2018-11-10 12:04:15,621 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 405 411) the Hoare annotation is: true [2018-11-10 12:04:15,622 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 405 411) no Hoare annotation was computed. [2018-11-10 12:04:15,622 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 195 201) no Hoare annotation was computed. [2018-11-10 12:04:15,622 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 195 201) the Hoare annotation is: true [2018-11-10 12:04:15,622 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 412 420) no Hoare annotation was computed. [2018-11-10 12:04:15,622 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 412 420) the Hoare annotation is: true [2018-11-10 12:04:15,622 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 412 420) no Hoare annotation was computed. [2018-11-10 12:04:15,622 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 317 382) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 12:04:15,622 INFO L421 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 12:04:15,622 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 353) no Hoare annotation was computed. [2018-11-10 12:04:15,622 INFO L425 ceAbstractionStarter]: For program point L347-1(lines 347 353) no Hoare annotation was computed. [2018-11-10 12:04:15,622 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 317 382) no Hoare annotation was computed. [2018-11-10 12:04:15,623 INFO L421 ceAbstractionStarter]: At program point L372(lines 327 374) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 12:04:15,623 INFO L421 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 12:04:15,623 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 343) no Hoare annotation was computed. [2018-11-10 12:04:15,623 INFO L425 ceAbstractionStarter]: For program point L337-1(lines 337 343) no Hoare annotation was computed. [2018-11-10 12:04:15,623 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 333) no Hoare annotation was computed. [2018-11-10 12:04:15,623 INFO L425 ceAbstractionStarter]: For program point L327-1(lines 327 374) no Hoare annotation was computed. [2018-11-10 12:04:15,623 INFO L421 ceAbstractionStarter]: At program point L375(lines 326 376) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 12:04:15,623 INFO L421 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 12:04:15,623 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 369) no Hoare annotation was computed. [2018-11-10 12:04:15,623 INFO L421 ceAbstractionStarter]: At program point L363-1(lines 357 370) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 12:04:15,623 INFO L425 ceAbstractionStarter]: For program point L328(lines 327 374) no Hoare annotation was computed. [2018-11-10 12:04:15,624 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 370) no Hoare annotation was computed. [2018-11-10 12:04:15,624 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 317 382) no Hoare annotation was computed. [2018-11-10 12:04:15,624 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 494 516) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 12:04:15,624 INFO L421 ceAbstractionStarter]: At program point L506(line 506) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 12:04:15,624 INFO L421 ceAbstractionStarter]: At program point L506-1(line 506) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 12:04:15,624 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 494 516) no Hoare annotation was computed. [2018-11-10 12:04:15,624 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 511) no Hoare annotation was computed. [2018-11-10 12:04:15,624 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 504 511) no Hoare annotation was computed. [2018-11-10 12:04:15,624 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-10 12:04:15,624 INFO L421 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 12:04:15,624 INFO L421 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 12:04:15,625 INFO L421 ceAbstractionStarter]: At program point L500-1(line 500) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 12:04:15,625 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 494 516) no Hoare annotation was computed. [2018-11-10 12:04:15,625 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 300 314) no Hoare annotation was computed. [2018-11-10 12:04:15,625 INFO L425 ceAbstractionStarter]: For program point L304(lines 304 310) no Hoare annotation was computed. [2018-11-10 12:04:15,625 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 300 314) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-10 12:04:15,625 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 300 314) no Hoare annotation was computed. [2018-11-10 12:04:15,625 INFO L421 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-10 12:04:15,625 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 255 263) no Hoare annotation was computed. [2018-11-10 12:04:15,625 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 255 263) the Hoare annotation is: true [2018-11-10 12:04:15,625 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 255 263) no Hoare annotation was computed. [2018-11-10 12:04:15,625 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 12:04:15,626 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-10 12:04:15,626 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 12:04:15,626 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-11-10 12:04:15,626 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2018-11-10 12:04:15,626 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2018-11-10 12:04:15,626 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2018-11-10 12:04:15,626 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2018-11-10 12:04:15,626 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2018-11-10 12:04:15,626 INFO L421 ceAbstractionStarter]: At program point L184(line 184) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-10 12:04:15,626 INFO L421 ceAbstractionStarter]: At program point L182(lines 182 188) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-10 12:04:15,626 INFO L421 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-10 12:04:15,626 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 171 194) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-10 12:04:15,627 INFO L425 ceAbstractionStarter]: For program point L175(lines 174 193) no Hoare annotation was computed. [2018-11-10 12:04:15,627 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 171 194) no Hoare annotation was computed. [2018-11-10 12:04:15,627 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 171 194) no Hoare annotation was computed. [2018-11-10 12:04:15,627 INFO L428 ceAbstractionStarter]: At program point L448(lines 423 452) the Hoare annotation is: true [2018-11-10 12:04:15,627 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 423 452) no Hoare annotation was computed. [2018-11-10 12:04:15,627 INFO L425 ceAbstractionStarter]: For program point L444(line 444) no Hoare annotation was computed. [2018-11-10 12:04:15,627 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-10 12:04:15,627 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 423 452) the Hoare annotation is: true [2018-11-10 12:04:15,627 INFO L425 ceAbstractionStarter]: For program point L437(lines 437 441) no Hoare annotation was computed. [2018-11-10 12:04:15,627 INFO L428 ceAbstractionStarter]: At program point L437-1(lines 437 441) the Hoare annotation is: true [2018-11-10 12:04:15,627 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 433 447) no Hoare annotation was computed. [2018-11-10 12:04:15,627 INFO L428 ceAbstractionStarter]: At program point L433-3(lines 433 447) the Hoare annotation is: true [2018-11-10 12:04:15,627 INFO L428 ceAbstractionStarter]: At program point L429(line 429) the Hoare annotation is: true [2018-11-10 12:04:15,628 INFO L425 ceAbstractionStarter]: For program point L429-1(line 429) no Hoare annotation was computed. [2018-11-10 12:04:15,628 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2018-11-10 12:04:15,628 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2018-11-10 12:04:15,628 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2018-11-10 12:04:15,628 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 398 404) no Hoare annotation was computed. [2018-11-10 12:04:15,628 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 398 404) the Hoare annotation is: true [2018-11-10 12:04:15,628 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 12:04:15,628 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0))) [2018-11-10 12:04:15,628 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 12:04:15,628 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 12:04:15,628 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 477 483) no Hoare annotation was computed. [2018-11-10 12:04:15,628 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 477 483) the Hoare annotation is: true [2018-11-10 12:04:15,629 INFO L425 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2018-11-10 12:04:15,629 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2018-11-10 12:04:15,629 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2018-11-10 12:04:15,629 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 154 161) no Hoare annotation was computed. [2018-11-10 12:04:15,629 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2018-11-10 12:04:15,629 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 154 161) the Hoare annotation is: true [2018-11-10 12:04:15,629 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 154 161) no Hoare annotation was computed. [2018-11-10 12:04:15,629 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 484 493) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 12:04:15,629 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 484 493) no Hoare annotation was computed. [2018-11-10 12:04:15,629 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 484 493) no Hoare annotation was computed. [2018-11-10 12:04:15,629 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 128 152) the Hoare annotation is: true [2018-11-10 12:04:15,629 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 128 152) no Hoare annotation was computed. [2018-11-10 12:04:15,630 INFO L421 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-10 12:04:15,630 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2018-11-10 12:04:15,630 INFO L421 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-10 12:04:15,630 INFO L425 ceAbstractionStarter]: For program point L138-1(line 138) no Hoare annotation was computed. [2018-11-10 12:04:15,630 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 149) no Hoare annotation was computed. [2018-11-10 12:04:15,630 INFO L425 ceAbstractionStarter]: For program point L136-1(lines 128 152) no Hoare annotation was computed. [2018-11-10 12:04:15,630 INFO L428 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: true [2018-11-10 12:04:15,630 INFO L425 ceAbstractionStarter]: For program point L134-1(line 134) no Hoare annotation was computed. [2018-11-10 12:04:15,630 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 244 254) the Hoare annotation is: true [2018-11-10 12:04:15,630 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 244 254) no Hoare annotation was computed. [2018-11-10 12:04:15,630 INFO L428 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: true [2018-11-10 12:04:15,630 INFO L425 ceAbstractionStarter]: For program point L249-1(line 249) no Hoare annotation was computed. [2018-11-10 12:04:15,630 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 244 254) no Hoare annotation was computed. [2018-11-10 12:04:15,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 12:04:15 BoogieIcfgContainer [2018-11-10 12:04:15,647 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 12:04:15,647 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:04:15,647 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:04:15,647 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:04:15,648 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:04:13" (3/4) ... [2018-11-10 12:04:15,652 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:04:15,657 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 12:04:15,657 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 12:04:15,657 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 12:04:15,657 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 12:04:15,657 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 12:04:15,658 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 12:04:15,658 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 12:04:15,658 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-10 12:04:15,658 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 12:04:15,658 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 12:04:15,658 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 12:04:15,658 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 12:04:15,658 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 12:04:15,658 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 12:04:15,658 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 12:04:15,658 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 12:04:15,659 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 12:04:15,659 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 12:04:15,659 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 12:04:15,659 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 12:04:15,659 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-10 12:04:15,659 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 12:04:15,667 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 138 nodes and edges [2018-11-10 12:04:15,668 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 12:04:15,668 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 12:04:15,689 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) [2018-11-10 12:04:15,690 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) [2018-11-10 12:04:15,725 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a88730e2-d86b-468c-9c92-a2442b592277/bin-2019/utaipan/witness.graphml [2018-11-10 12:04:15,725 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:04:15,725 INFO L168 Benchmark]: Toolchain (without parser) took 2975.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 963.0 MB in the beginning and 980.5 MB in the end (delta: -17.4 MB). Peak memory consumption was 122.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:04:15,726 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:04:15,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:04:15,727 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.76 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:04:15,727 INFO L168 Benchmark]: Boogie Preprocessor took 25.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:04:15,727 INFO L168 Benchmark]: RCFGBuilder took 612.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 87.9 MB). Peak memory consumption was 87.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:04:15,727 INFO L168 Benchmark]: TraceAbstraction took 1876.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 990.8 MB in the end (delta: 49.1 MB). Peak memory consumption was 49.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:04:15,727 INFO L168 Benchmark]: Witness Printer took 77.89 ms. Allocated memory is still 1.2 GB. Free memory was 990.8 MB in the beginning and 980.5 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:04:15,729 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 340.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.76 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 612.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 87.9 MB). Peak memory consumption was 87.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1876.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 990.8 MB in the end (delta: 49.1 MB). Peak memory consumption was 49.1 MB. Max. memory is 11.5 GB. * Witness Printer took 77.89 ms. Allocated memory is still 1.2 GB. Free memory was 990.8 MB in the beginning and 980.5 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 158]: 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: 423]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 120 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 578 SDtfs, 245 SDslu, 687 SDs, 0 SdLazy, 226 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=253occurred 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, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 317 PreInvPairs, 348 NumberOfFragments, 455 HoareAnnotationTreeSize, 317 FomulaSimplifications, 252 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 1093 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 26912 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...