./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product16_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_e6feba53-0464-402d-ae6e-70c04bcdba47/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e6feba53-0464-402d-ae6e-70c04bcdba47/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e6feba53-0464-402d-ae6e-70c04bcdba47/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e6feba53-0464-402d-ae6e-70c04bcdba47/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product16_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e6feba53-0464-402d-ae6e-70c04bcdba47/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e6feba53-0464-402d-ae6e-70c04bcdba47/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 97e1e79d9f040fa1d57b96c793652004756593a5 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:28:21,069 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:28:21,070 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:28:21,079 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:28:21,079 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:28:21,080 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:28:21,081 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:28:21,083 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:28:21,084 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:28:21,084 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:28:21,085 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:28:21,085 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:28:21,087 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:28:21,087 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:28:21,088 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:28:21,089 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:28:21,089 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:28:21,091 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:28:21,093 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:28:21,094 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:28:21,095 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:28:21,096 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:28:21,098 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:28:21,098 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:28:21,098 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:28:21,099 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:28:21,100 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:28:21,100 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:28:21,101 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:28:21,103 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:28:21,103 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:28:21,103 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:28:21,103 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:28:21,104 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:28:21,104 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:28:21,105 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:28:21,105 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e6feba53-0464-402d-ae6e-70c04bcdba47/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 00:28:21,119 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:28:21,119 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:28:21,120 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:28:21,120 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 00:28:21,120 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 00:28:21,120 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 00:28:21,120 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 00:28:21,121 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 00:28:21,121 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 00:28:21,121 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 00:28:21,121 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 00:28:21,122 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:28:21,122 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:28:21,122 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:28:21,122 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:28:21,122 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:28:21,122 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:28:21,122 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:28:21,122 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:28:21,123 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:28:21,123 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:28:21,123 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:28:21,123 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:28:21,123 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:28:21,123 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:28:21,123 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:28:21,123 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:28:21,124 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:28:21,124 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:28:21,124 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:28:21,124 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 00:28:21,124 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:28:21,124 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:28:21,124 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 00:28:21,124 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_e6feba53-0464-402d-ae6e-70c04bcdba47/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 -> 97e1e79d9f040fa1d57b96c793652004756593a5 [2018-10-27 00:28:21,155 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:28:21,163 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:28:21,166 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:28:21,167 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:28:21,168 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:28:21,169 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e6feba53-0464-402d-ae6e-70c04bcdba47/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product16_true-unreach-call_false-termination.cil.c [2018-10-27 00:28:21,223 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6feba53-0464-402d-ae6e-70c04bcdba47/bin-2019/utaipan/data/550a917cc/d1d9cd8168694e03a0ee8c6eb2dbdbf9/FLAG3f27c8ea1 [2018-10-27 00:28:21,660 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:28:21,663 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e6feba53-0464-402d-ae6e-70c04bcdba47/sv-benchmarks/c/product-lines/minepump_spec1_product16_true-unreach-call_false-termination.cil.c [2018-10-27 00:28:21,677 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6feba53-0464-402d-ae6e-70c04bcdba47/bin-2019/utaipan/data/550a917cc/d1d9cd8168694e03a0ee8c6eb2dbdbf9/FLAG3f27c8ea1 [2018-10-27 00:28:21,693 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e6feba53-0464-402d-ae6e-70c04bcdba47/bin-2019/utaipan/data/550a917cc/d1d9cd8168694e03a0ee8c6eb2dbdbf9 [2018-10-27 00:28:21,700 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:28:21,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:28:21,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:28:21,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:28:21,706 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:28:21,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:28:21" (1/1) ... [2018-10-27 00:28:21,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@717667f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:21, skipping insertion in model container [2018-10-27 00:28:21,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:28:21" (1/1) ... [2018-10-27 00:28:21,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:28:21,755 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:28:22,016 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:28:22,027 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:28:22,104 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:28:22,127 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:28:22,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:22 WrapperNode [2018-10-27 00:28:22,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:28:22,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:28:22,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:28:22,129 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:28:22,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:22" (1/1) ... [2018-10-27 00:28:22,150 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:22" (1/1) ... [2018-10-27 00:28:22,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:28:22,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:28:22,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:28:22,243 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:28:22,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:22" (1/1) ... [2018-10-27 00:28:22,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:22" (1/1) ... [2018-10-27 00:28:22,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:22" (1/1) ... [2018-10-27 00:28:22,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:22" (1/1) ... [2018-10-27 00:28:22,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:22" (1/1) ... [2018-10-27 00:28:22,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:22" (1/1) ... [2018-10-27 00:28:22,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:22" (1/1) ... [2018-10-27 00:28:22,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:28:22,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:28:22,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:28:22,279 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:28:22,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6feba53-0464-402d-ae6e-70c04bcdba47/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 [2018-10-27 00:28:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-27 00:28:22,355 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-27 00:28:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:28:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:28:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-10-27 00:28:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-10-27 00:28:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-27 00:28:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-27 00:28:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-27 00:28:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-27 00:28:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-27 00:28:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-27 00:28:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-27 00:28:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-27 00:28:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-27 00:28:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-27 00:28:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-27 00:28:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-27 00:28:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-27 00:28:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-27 00:28:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-10-27 00:28:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-10-27 00:28:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-27 00:28:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-27 00:28:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-27 00:28:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-27 00:28:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-27 00:28:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-27 00:28:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-10-27 00:28:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-10-27 00:28:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-27 00:28:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-27 00:28:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-27 00:28:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-27 00:28:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-10-27 00:28:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-10-27 00:28:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-27 00:28:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-27 00:28:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:28:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:28:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-27 00:28:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-27 00:28:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:28:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:28:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-27 00:28:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-27 00:28:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-10-27 00:28:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-10-27 00:28:23,315 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:28:23,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:28:23 BoogieIcfgContainer [2018-10-27 00:28:23,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:28:23,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:28:23,316 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:28:23,319 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:28:23,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:28:21" (1/3) ... [2018-10-27 00:28:23,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cfe8cc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:28:23, skipping insertion in model container [2018-10-27 00:28:23,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:22" (2/3) ... [2018-10-27 00:28:23,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cfe8cc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:28:23, skipping insertion in model container [2018-10-27 00:28:23,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:28:23" (3/3) ... [2018-10-27 00:28:23,322 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product16_true-unreach-call_false-termination.cil.c [2018-10-27 00:28:23,330 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:28:23,337 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:28:23,347 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:28:23,372 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:28:23,372 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:28:23,372 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:28:23,372 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:28:23,372 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:28:23,373 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:28:23,373 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:28:23,373 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:28:23,390 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2018-10-27 00:28:23,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-27 00:28:23,397 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:28:23,398 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] [2018-10-27 00:28:23,400 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:28:23,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:28:23,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1416883306, now seen corresponding path program 1 times [2018-10-27 00:28:23,407 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:28:23,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:28:23,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:28:23,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:28:23,447 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:28:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:23,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:28:23,686 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:28:23,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 00:28:23,686 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:28:23,691 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-27 00:28:23,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-27 00:28:23,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 00:28:23,701 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2018-10-27 00:28:23,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:28:23,729 INFO L93 Difference]: Finished difference Result 222 states and 277 transitions. [2018-10-27 00:28:23,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-27 00:28:23,731 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-10-27 00:28:23,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:28:23,741 INFO L225 Difference]: With dead ends: 222 [2018-10-27 00:28:23,742 INFO L226 Difference]: Without dead ends: 111 [2018-10-27 00:28:23,745 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 [2018-10-27 00:28:23,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-10-27 00:28:23,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-10-27 00:28:23,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-10-27 00:28:23,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 130 transitions. [2018-10-27 00:28:23,790 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 130 transitions. Word has length 46 [2018-10-27 00:28:23,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:28:23,790 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 130 transitions. [2018-10-27 00:28:23,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-27 00:28:23,791 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 130 transitions. [2018-10-27 00:28:23,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-27 00:28:23,793 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:28:23,793 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] [2018-10-27 00:28:23,794 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:28:23,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:28:23,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1372736386, now seen corresponding path program 1 times [2018-10-27 00:28:23,794 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:28:23,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:28:23,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:28:23,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:28:23,795 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:28:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:23,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:28:23,952 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:28:23,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 00:28:23,952 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:28:23,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 00:28:23,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 00:28:23,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:28:23,956 INFO L87 Difference]: Start difference. First operand 111 states and 130 transitions. Second operand 3 states. [2018-10-27 00:28:23,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:28:23,992 INFO L93 Difference]: Finished difference Result 159 states and 185 transitions. [2018-10-27 00:28:23,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 00:28:23,993 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-10-27 00:28:23,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:28:23,994 INFO L225 Difference]: With dead ends: 159 [2018-10-27 00:28:23,994 INFO L226 Difference]: Without dead ends: 101 [2018-10-27 00:28:23,995 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 [2018-10-27 00:28:23,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-10-27 00:28:24,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-10-27 00:28:24,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-10-27 00:28:24,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2018-10-27 00:28:24,007 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 48 [2018-10-27 00:28:24,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:28:24,008 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2018-10-27 00:28:24,008 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 00:28:24,008 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2018-10-27 00:28:24,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-27 00:28:24,009 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:28:24,009 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:28:24,009 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:28:24,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:28:24,012 INFO L82 PathProgramCache]: Analyzing trace with hash 310839750, now seen corresponding path program 1 times [2018-10-27 00:28:24,012 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:28:24,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:28:24,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:28:24,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:28:24,014 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:28:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:24,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:28:24,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:28:24,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 00:28:24,624 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:28:24,624 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 00:28:24,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 00:28:24,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:28:24,625 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 7 states. [2018-10-27 00:28:25,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:28:25,484 INFO L93 Difference]: Finished difference Result 306 states and 372 transitions. [2018-10-27 00:28:25,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 00:28:25,485 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-10-27 00:28:25,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:28:25,492 INFO L225 Difference]: With dead ends: 306 [2018-10-27 00:28:25,492 INFO L226 Difference]: Without dead ends: 229 [2018-10-27 00:28:25,493 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-27 00:28:25,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-10-27 00:28:25,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 217. [2018-10-27 00:28:25,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-10-27 00:28:25,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 263 transitions. [2018-10-27 00:28:25,528 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 263 transitions. Word has length 53 [2018-10-27 00:28:25,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:28:25,528 INFO L481 AbstractCegarLoop]: Abstraction has 217 states and 263 transitions. [2018-10-27 00:28:25,528 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 00:28:25,529 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 263 transitions. [2018-10-27 00:28:25,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-27 00:28:25,532 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:28:25,532 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] [2018-10-27 00:28:25,532 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:28:25,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:28:25,532 INFO L82 PathProgramCache]: Analyzing trace with hash -905002790, now seen corresponding path program 1 times [2018-10-27 00:28:25,533 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:28:25,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:28:25,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:28:25,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:28:25,535 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:28:25,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:25,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:28:26,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:28:26,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:28:26,001 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:28:26,001 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 00:28:26,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 00:28:26,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:28:26,002 INFO L87 Difference]: Start difference. First operand 217 states and 263 transitions. Second operand 6 states. [2018-10-27 00:28:26,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:28:26,705 INFO L93 Difference]: Finished difference Result 588 states and 737 transitions. [2018-10-27 00:28:26,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 00:28:26,706 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-10-27 00:28:26,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:28:26,710 INFO L225 Difference]: With dead ends: 588 [2018-10-27 00:28:26,710 INFO L226 Difference]: Without dead ends: 395 [2018-10-27 00:28:26,712 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:28:26,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2018-10-27 00:28:26,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 389. [2018-10-27 00:28:26,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2018-10-27 00:28:26,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 476 transitions. [2018-10-27 00:28:26,755 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 476 transitions. Word has length 58 [2018-10-27 00:28:26,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:28:26,756 INFO L481 AbstractCegarLoop]: Abstraction has 389 states and 476 transitions. [2018-10-27 00:28:26,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 00:28:26,756 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 476 transitions. [2018-10-27 00:28:26,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-27 00:28:26,760 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:28:26,760 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] [2018-10-27 00:28:26,760 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:28:26,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:28:26,760 INFO L82 PathProgramCache]: Analyzing trace with hash -854617666, now seen corresponding path program 1 times [2018-10-27 00:28:26,761 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:28:26,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:28:26,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:28:26,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:28:26,763 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:28:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:26,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:28:26,993 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:28:26,993 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 00:28:26,993 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:28:26,994 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 00:28:26,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 00:28:26,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:28:26,995 INFO L87 Difference]: Start difference. First operand 389 states and 476 transitions. Second operand 7 states. [2018-10-27 00:28:27,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:28:27,718 INFO L93 Difference]: Finished difference Result 669 states and 840 transitions. [2018-10-27 00:28:27,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 00:28:27,722 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2018-10-27 00:28:27,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:28:27,722 INFO L225 Difference]: With dead ends: 669 [2018-10-27 00:28:27,722 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 00:28:27,724 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-10-27 00:28:27,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 00:28:27,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 00:28:27,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 00:28:27,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 00:28:27,725 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2018-10-27 00:28:27,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:28:27,725 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 00:28:27,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 00:28:27,725 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 00:28:27,725 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 00:28:27,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 00:28:28,176 WARN L179 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2018-10-27 00:28:28,465 WARN L179 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 11 [2018-10-27 00:28:29,107 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 755 762) the Hoare annotation is: true [2018-10-27 00:28:29,107 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 755 762) no Hoare annotation was computed. [2018-10-27 00:28:29,107 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 755 762) no Hoare annotation was computed. [2018-10-27 00:28:29,107 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 705 729) no Hoare annotation was computed. [2018-10-27 00:28:29,108 INFO L421 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-10-27 00:28:29,108 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 705 729) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-10-27 00:28:29,108 INFO L425 ceAbstractionStarter]: For program point L724-1(lines 705 729) no Hoare annotation was computed. [2018-10-27 00:28:29,108 INFO L421 ceAbstractionStarter]: At program point L719(line 719) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-27 00:28:29,108 INFO L421 ceAbstractionStarter]: At program point L715(line 715) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-27 00:28:29,108 INFO L425 ceAbstractionStarter]: For program point L713(lines 713 721) no Hoare annotation was computed. [2018-10-27 00:28:29,108 INFO L421 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-27 00:28:29,108 INFO L425 ceAbstractionStarter]: For program point L711-1(line 711) no Hoare annotation was computed. [2018-10-27 00:28:29,108 INFO L425 ceAbstractionStarter]: For program point L709(lines 709 726) no Hoare annotation was computed. [2018-10-27 00:28:29,108 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 175 181) the Hoare annotation is: true [2018-10-27 00:28:29,108 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 175 181) no Hoare annotation was computed. [2018-10-27 00:28:29,109 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 182 190) no Hoare annotation was computed. [2018-10-27 00:28:29,109 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 182 190) the Hoare annotation is: true [2018-10-27 00:28:29,109 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 182 190) no Hoare annotation was computed. [2018-10-27 00:28:29,109 INFO L421 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:28:29,109 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 843 910) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:28:29,109 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 869) no Hoare annotation was computed. [2018-10-27 00:28:29,109 INFO L425 ceAbstractionStarter]: For program point L863-1(lines 863 869) no Hoare annotation was computed. [2018-10-27 00:28:29,109 INFO L425 ceAbstractionStarter]: For program point L855(lines 855 859) no Hoare annotation was computed. [2018-10-27 00:28:29,109 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 843 910) no Hoare annotation was computed. [2018-10-27 00:28:29,109 INFO L425 ceAbstractionStarter]: For program point L853-1(lines 853 902) no Hoare annotation was computed. [2018-10-27 00:28:29,109 INFO L421 ceAbstractionStarter]: At program point L903(lines 852 904) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:28:29,110 INFO L421 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:28:29,110 INFO L425 ceAbstractionStarter]: For program point L891(lines 891 897) no Hoare annotation was computed. [2018-10-27 00:28:29,113 INFO L421 ceAbstractionStarter]: At program point L891-1(lines 883 898) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:28:29,113 INFO L425 ceAbstractionStarter]: For program point L854(lines 853 902) no Hoare annotation was computed. [2018-10-27 00:28:29,114 INFO L421 ceAbstractionStarter]: At program point L885(line 885) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:28:29,114 INFO L425 ceAbstractionStarter]: For program point L883(lines 883 898) no Hoare annotation was computed. [2018-10-27 00:28:29,114 INFO L421 ceAbstractionStarter]: At program point L875(line 875) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:28:29,114 INFO L425 ceAbstractionStarter]: For program point L873(lines 873 879) no Hoare annotation was computed. [2018-10-27 00:28:29,114 INFO L425 ceAbstractionStarter]: For program point L873-1(lines 873 879) no Hoare annotation was computed. [2018-10-27 00:28:29,114 INFO L421 ceAbstractionStarter]: At program point L900(lines 853 902) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:28:29,114 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 843 910) no Hoare annotation was computed. [2018-10-27 00:28:29,114 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 267 289) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:28:29,114 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 267 289) no Hoare annotation was computed. [2018-10-27 00:28:29,115 INFO L421 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-10-27 00:28:29,115 INFO L421 ceAbstractionStarter]: At program point L279-1(line 279) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-10-27 00:28:29,115 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 284) no Hoare annotation was computed. [2018-10-27 00:28:29,115 INFO L425 ceAbstractionStarter]: For program point L277-1(lines 277 284) no Hoare annotation was computed. [2018-10-27 00:28:29,115 INFO L425 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2018-10-27 00:28:29,115 INFO L421 ceAbstractionStarter]: At program point L274(line 274) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:28:29,115 INFO L421 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:28:29,115 INFO L421 ceAbstractionStarter]: At program point L273-1(line 273) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:28:29,115 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 267 289) no Hoare annotation was computed. [2018-10-27 00:28:29,116 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 697 703) no Hoare annotation was computed. [2018-10-27 00:28:29,116 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 697 703) the Hoare annotation is: true [2018-10-27 00:28:29,116 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 819 833) no Hoare annotation was computed. [2018-10-27 00:28:29,116 INFO L421 ceAbstractionStarter]: At program point L825(line 825) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-10-27 00:28:29,116 INFO L425 ceAbstractionStarter]: For program point L823(lines 823 829) no Hoare annotation was computed. [2018-10-27 00:28:29,116 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 819 833) 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)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-10-27 00:28:29,116 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 819 833) no Hoare annotation was computed. [2018-10-27 00:28:29,116 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 774 782) no Hoare annotation was computed. [2018-10-27 00:28:29,116 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 774 782) the Hoare annotation is: true [2018-10-27 00:28:29,116 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 774 782) no Hoare annotation was computed. [2018-10-27 00:28:29,117 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 00:28:29,117 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-10-27 00:28:29,117 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 00:28:29,117 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)) [2018-10-27 00:28:29,117 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2018-10-27 00:28:29,117 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2018-10-27 00:28:29,117 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2018-10-27 00:28:29,117 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2018-10-27 00:28:29,117 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2018-10-27 00:28:29,117 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 194 223) no Hoare annotation was computed. [2018-10-27 00:28:29,117 INFO L428 ceAbstractionStarter]: At program point L219(lines 194 223) the Hoare annotation is: true [2018-10-27 00:28:29,117 INFO L425 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2018-10-27 00:28:29,118 INFO L425 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-10-27 00:28:29,118 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 194 223) the Hoare annotation is: true [2018-10-27 00:28:29,122 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 212) no Hoare annotation was computed. [2018-10-27 00:28:29,122 INFO L428 ceAbstractionStarter]: At program point L208-1(lines 208 212) the Hoare annotation is: true [2018-10-27 00:28:29,122 INFO L425 ceAbstractionStarter]: For program point L204-1(lines 204 218) no Hoare annotation was computed. [2018-10-27 00:28:29,122 INFO L428 ceAbstractionStarter]: At program point L204-3(lines 204 218) the Hoare annotation is: true [2018-10-27 00:28:29,122 INFO L428 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: true [2018-10-27 00:28:29,122 INFO L425 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2018-10-27 00:28:29,123 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 673 696) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-10-27 00:28:29,123 INFO L421 ceAbstractionStarter]: At program point L686(line 686) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-10-27 00:28:29,123 INFO L421 ceAbstractionStarter]: At program point L684(lines 684 690) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-10-27 00:28:29,123 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 673 696) no Hoare annotation was computed. [2018-10-27 00:28:29,123 INFO L421 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-10-27 00:28:29,123 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 673 696) no Hoare annotation was computed. [2018-10-27 00:28:29,123 INFO L425 ceAbstractionStarter]: For program point L677(lines 676 695) no Hoare annotation was computed. [2018-10-27 00:28:29,123 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2018-10-27 00:28:29,123 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2018-10-27 00:28:29,123 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2018-10-27 00:28:29,123 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 168 174) no Hoare annotation was computed. [2018-10-27 00:28:29,123 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 168 174) the Hoare annotation is: true [2018-10-27 00:28:29,124 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 00:28:29,124 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-10-27 00:28:29,124 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 00:28:29,124 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 00:28:29,124 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 249 255) no Hoare annotation was computed. [2018-10-27 00:28:29,124 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 249 255) the Hoare annotation is: true [2018-10-27 00:28:29,124 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 834 841) no Hoare annotation was computed. [2018-10-27 00:28:29,124 INFO L428 ceAbstractionStarter]: At program point startSystemENTRY(lines 834 841) the Hoare annotation is: true [2018-10-27 00:28:29,124 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 834 841) no Hoare annotation was computed. [2018-10-27 00:28:29,124 INFO L425 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2018-10-27 00:28:29,124 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2018-10-27 00:28:29,124 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2018-10-27 00:28:29,124 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 291 298) no Hoare annotation was computed. [2018-10-27 00:28:29,125 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2018-10-27 00:28:29,125 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 291 298) the Hoare annotation is: true [2018-10-27 00:28:29,125 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 291 298) no Hoare annotation was computed. [2018-10-27 00:28:29,125 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 257 266) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:28:29,125 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 257 266) no Hoare annotation was computed. [2018-10-27 00:28:29,125 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 257 266) no Hoare annotation was computed. [2018-10-27 00:28:29,125 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 128 152) the Hoare annotation is: true [2018-10-27 00:28:29,125 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 128 152) no Hoare annotation was computed. [2018-10-27 00:28:29,125 INFO L421 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-10-27 00:28:29,125 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2018-10-27 00:28:29,125 INFO L421 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-10-27 00:28:29,126 INFO L425 ceAbstractionStarter]: For program point L138-1(line 138) no Hoare annotation was computed. [2018-10-27 00:28:29,126 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 149) no Hoare annotation was computed. [2018-10-27 00:28:29,126 INFO L425 ceAbstractionStarter]: For program point L136-1(lines 128 152) no Hoare annotation was computed. [2018-10-27 00:28:29,126 INFO L428 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: true [2018-10-27 00:28:29,126 INFO L425 ceAbstractionStarter]: For program point L134-1(line 134) no Hoare annotation was computed. [2018-10-27 00:28:29,126 INFO L428 ceAbstractionStarter]: At program point L768(line 768) the Hoare annotation is: true [2018-10-27 00:28:29,126 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 763 773) the Hoare annotation is: true [2018-10-27 00:28:29,126 INFO L425 ceAbstractionStarter]: For program point L768-1(line 768) no Hoare annotation was computed. [2018-10-27 00:28:29,126 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 763 773) no Hoare annotation was computed. [2018-10-27 00:28:29,126 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 763 773) no Hoare annotation was computed. [2018-10-27 00:28:29,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:28:29 BoogieIcfgContainer [2018-10-27 00:28:29,140 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:28:29,141 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:28:29,141 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:28:29,141 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:28:29,143 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:28:23" (3/4) ... [2018-10-27 00:28:29,145 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 00:28:29,152 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-27 00:28:29,152 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-27 00:28:29,152 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-27 00:28:29,152 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-27 00:28:29,152 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-27 00:28:29,153 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-27 00:28:29,153 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-10-27 00:28:29,153 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-10-27 00:28:29,153 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-27 00:28:29,153 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-27 00:28:29,153 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-27 00:28:29,153 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-27 00:28:29,153 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-27 00:28:29,153 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-27 00:28:29,153 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-27 00:28:29,153 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-27 00:28:29,156 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-27 00:28:29,157 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-10-27 00:28:29,157 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-27 00:28:29,157 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-27 00:28:29,157 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-27 00:28:29,157 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-10-27 00:28:29,157 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-10-27 00:28:29,167 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 138 nodes and edges [2018-10-27 00:28:29,167 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-27 00:28:29,168 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-27 00:28:29,192 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-10-27 00:28:29,192 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-10-27 00:28:29,241 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e6feba53-0464-402d-ae6e-70c04bcdba47/bin-2019/utaipan/witness.graphml [2018-10-27 00:28:29,241 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:28:29,243 INFO L168 Benchmark]: Toolchain (without parser) took 7541.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 951.8 MB in the beginning and 921.1 MB in the end (delta: 30.7 MB). Peak memory consumption was 181.2 MB. Max. memory is 11.5 GB. [2018-10-27 00:28:29,243 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:28:29,243 INFO L168 Benchmark]: CACSL2BoogieTranslator took 425.41 ms. Allocated memory is still 1.0 GB. Free memory was 949.1 MB in the beginning and 927.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-27 00:28:29,244 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 927.6 MB in the beginning and 1.1 GB in the end (delta: -218.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2018-10-27 00:28:29,244 INFO L168 Benchmark]: Boogie Preprocessor took 35.35 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:28:29,244 INFO L168 Benchmark]: RCFGBuilder took 1036.95 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: 82.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 11.5 GB. [2018-10-27 00:28:29,244 INFO L168 Benchmark]: TraceAbstraction took 5824.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 931.6 MB in the end (delta: 128.6 MB). Peak memory consumption was 128.6 MB. Max. memory is 11.5 GB. [2018-10-27 00:28:29,245 INFO L168 Benchmark]: Witness Printer took 100.60 ms. Allocated memory is still 1.2 GB. Free memory was 931.6 MB in the beginning and 921.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-10-27 00:28:29,249 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 425.41 ms. Allocated memory is still 1.0 GB. Free memory was 949.1 MB in the beginning and 927.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 114.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 927.6 MB in the beginning and 1.1 GB in the end (delta: -218.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.35 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1036.95 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: 82.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5824.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 931.6 MB in the end (delta: 128.6 MB). Peak memory consumption was 128.6 MB. Max. memory is 11.5 GB. * Witness Printer took 100.60 ms. Allocated memory is still 1.2 GB. Free memory was 931.6 MB in the beginning and 921.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 295]: 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: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 124 locations, 1 error locations. SAFE Result, 5.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 612 SDtfs, 398 SDslu, 1102 SDs, 0 SdLazy, 413 SolverSat, 112 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=389occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 444 PreInvPairs, 491 NumberOfFragments, 499 HoareAnnotationTreeSize, 444 FomulaSimplifications, 443 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 53 FomulaSimplificationsInter, 1838 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 267 NumberOfCodeBlocks, 267 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 26986 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...