./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_ac3a21e1-89e5-488a-942e-fc1881d202f7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ac3a21e1-89e5-488a-942e-fc1881d202f7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ac3a21e1-89e5-488a-942e-fc1881d202f7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ac3a21e1-89e5-488a-942e-fc1881d202f7/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_ac3a21e1-89e5-488a-942e-fc1881d202f7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ac3a21e1-89e5-488a-942e-fc1881d202f7/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 [2018-11-10 09:55:59,219 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 09:55:59,220 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 09:55:59,226 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 09:55:59,226 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 09:55:59,226 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 09:55:59,227 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 09:55:59,229 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 09:55:59,230 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 09:55:59,230 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 09:55:59,231 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 09:55:59,231 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 09:55:59,232 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 09:55:59,233 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 09:55:59,234 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 09:55:59,234 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 09:55:59,235 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 09:55:59,236 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 09:55:59,238 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 09:55:59,239 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 09:55:59,240 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 09:55:59,241 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 09:55:59,243 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 09:55:59,243 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 09:55:59,243 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 09:55:59,244 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 09:55:59,245 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 09:55:59,246 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 09:55:59,247 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 09:55:59,248 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 09:55:59,248 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 09:55:59,248 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 09:55:59,248 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 09:55:59,249 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 09:55:59,249 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 09:55:59,250 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 09:55:59,250 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ac3a21e1-89e5-488a-942e-fc1881d202f7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 09:55:59,260 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 09:55:59,260 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 09:55:59,261 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 09:55:59,261 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 09:55:59,261 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 09:55:59,261 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 09:55:59,262 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 09:55:59,262 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 09:55:59,262 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 09:55:59,262 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 09:55:59,262 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 09:55:59,263 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 09:55:59,263 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 09:55:59,264 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 09:55:59,264 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 09:55:59,264 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 09:55:59,264 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 09:55:59,264 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 09:55:59,264 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 09:55:59,264 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 09:55:59,265 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 09:55:59,265 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 09:55:59,265 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 09:55:59,265 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 09:55:59,265 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 09:55:59,265 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 09:55:59,265 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 09:55:59,266 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 09:55:59,266 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 09:55:59,266 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 09:55:59,266 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 09:55:59,266 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 09:55:59,266 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 09:55:59,266 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 09:55:59,269 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_ac3a21e1-89e5-488a-942e-fc1881d202f7/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 [2018-11-10 09:55:59,294 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 09:55:59,303 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 09:55:59,306 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 09:55:59,307 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 09:55:59,307 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 09:55:59,308 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ac3a21e1-89e5-488a-942e-fc1881d202f7/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product16_true-unreach-call_false-termination.cil.c [2018-11-10 09:55:59,352 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ac3a21e1-89e5-488a-942e-fc1881d202f7/bin-2019/utaipan/data/838d756be/538c13a6221a4803b7304fce9233b7ec/FLAGd33ed3710 [2018-11-10 09:55:59,707 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 09:55:59,707 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ac3a21e1-89e5-488a-942e-fc1881d202f7/sv-benchmarks/c/product-lines/minepump_spec1_product16_true-unreach-call_false-termination.cil.c [2018-11-10 09:55:59,714 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ac3a21e1-89e5-488a-942e-fc1881d202f7/bin-2019/utaipan/data/838d756be/538c13a6221a4803b7304fce9233b7ec/FLAGd33ed3710 [2018-11-10 09:55:59,726 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ac3a21e1-89e5-488a-942e-fc1881d202f7/bin-2019/utaipan/data/838d756be/538c13a6221a4803b7304fce9233b7ec [2018-11-10 09:55:59,729 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 09:55:59,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 09:55:59,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 09:55:59,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 09:55:59,734 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 09:55:59,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:55:59" (1/1) ... [2018-11-10 09:55:59,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23082619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:59, skipping insertion in model container [2018-11-10 09:55:59,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:55:59" (1/1) ... [2018-11-10 09:55:59,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 09:55:59,779 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 09:55:59,979 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:55:59,988 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 09:56:00,040 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:56:00,060 INFO L193 MainTranslator]: Completed translation [2018-11-10 09:56:00,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:00 WrapperNode [2018-11-10 09:56:00,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 09:56:00,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 09:56:00,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 09:56:00,061 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 09:56:00,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:00" (1/1) ... [2018-11-10 09:56:00,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:00" (1/1) ... [2018-11-10 09:56:00,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 09:56:00,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 09:56:00,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 09:56:00,142 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 09:56:00,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:00" (1/1) ... [2018-11-10 09:56:00,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:00" (1/1) ... [2018-11-10 09:56:00,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:00" (1/1) ... [2018-11-10 09:56:00,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:00" (1/1) ... [2018-11-10 09:56:00,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:00" (1/1) ... [2018-11-10 09:56:00,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:00" (1/1) ... [2018-11-10 09:56:00,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:00" (1/1) ... [2018-11-10 09:56:00,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 09:56:00,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 09:56:00,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 09:56:00,171 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 09:56:00,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ac3a21e1-89e5-488a-942e-fc1881d202f7/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 09:56:00,210 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 09:56:00,210 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 09:56:00,210 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 09:56:00,211 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 09:56:00,211 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-10 09:56:00,211 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-10 09:56:00,211 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 09:56:00,211 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 09:56:00,211 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 09:56:00,211 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 09:56:00,211 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 09:56:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 09:56:00,212 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 09:56:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 09:56:00,212 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 09:56:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 09:56:00,212 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 09:56:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 09:56:00,212 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 09:56:00,213 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 09:56:00,213 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-10 09:56:00,213 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-10 09:56:00,213 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 09:56:00,213 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 09:56:00,213 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 09:56:00,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 09:56:00,213 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 09:56:00,213 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 09:56:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 09:56:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 09:56:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 09:56:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 09:56:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 09:56:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 09:56:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 09:56:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 09:56:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 09:56:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 09:56:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 09:56:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 09:56:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 09:56:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 09:56:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 09:56:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 09:56:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 09:56:00,216 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 09:56:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-10 09:56:00,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-10 09:56:00,709 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 09:56:00,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:56:00 BoogieIcfgContainer [2018-11-10 09:56:00,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 09:56:00,711 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 09:56:00,711 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 09:56:00,713 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 09:56:00,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:55:59" (1/3) ... [2018-11-10 09:56:00,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e3f2a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:56:00, skipping insertion in model container [2018-11-10 09:56:00,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:00" (2/3) ... [2018-11-10 09:56:00,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e3f2a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:56:00, skipping insertion in model container [2018-11-10 09:56:00,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:56:00" (3/3) ... [2018-11-10 09:56:00,717 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product16_true-unreach-call_false-termination.cil.c [2018-11-10 09:56:00,724 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 09:56:00,730 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 09:56:00,739 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 09:56:00,761 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 09:56:00,761 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 09:56:00,761 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 09:56:00,762 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 09:56:00,762 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 09:56:00,762 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 09:56:00,762 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 09:56:00,762 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 09:56:00,779 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2018-11-10 09:56:00,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 09:56:00,785 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:56:00,785 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 09:56:00,788 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:56:00,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:56:00,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1416883306, now seen corresponding path program 1 times [2018-11-10 09:56:00,795 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 09:56:00,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:56:00,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:56:00,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:56:00,834 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 09:56:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:56:01,007 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 09:56:01,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:56:01,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 09:56:01,009 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 09:56:01,014 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 09:56:01,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 09:56:01,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 09:56:01,028 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2018-11-10 09:56:01,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:56:01,058 INFO L93 Difference]: Finished difference Result 222 states and 277 transitions. [2018-11-10 09:56:01,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 09:56:01,059 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-10 09:56:01,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:56:01,069 INFO L225 Difference]: With dead ends: 222 [2018-11-10 09:56:01,070 INFO L226 Difference]: Without dead ends: 111 [2018-11-10 09:56:01,073 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 09:56:01,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-11-10 09:56:01,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-11-10 09:56:01,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-11-10 09:56:01,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 130 transitions. [2018-11-10 09:56:01,118 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 130 transitions. Word has length 46 [2018-11-10 09:56:01,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:56:01,119 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 130 transitions. [2018-11-10 09:56:01,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 09:56:01,119 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 130 transitions. [2018-11-10 09:56:01,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 09:56:01,122 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:56:01,122 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 09:56:01,123 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:56:01,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:56:01,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1372736386, now seen corresponding path program 1 times [2018-11-10 09:56:01,123 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 09:56:01,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:56:01,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:56:01,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:56:01,125 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 09:56:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:56:01,209 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 09:56:01,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:56:01,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 09:56:01,210 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 09:56:01,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 09:56:01,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 09:56:01,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:56:01,212 INFO L87 Difference]: Start difference. First operand 111 states and 130 transitions. Second operand 3 states. [2018-11-10 09:56:01,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:56:01,227 INFO L93 Difference]: Finished difference Result 159 states and 185 transitions. [2018-11-10 09:56:01,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 09:56:01,227 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-10 09:56:01,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:56:01,229 INFO L225 Difference]: With dead ends: 159 [2018-11-10 09:56:01,229 INFO L226 Difference]: Without dead ends: 101 [2018-11-10 09:56:01,230 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 09:56:01,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-11-10 09:56:01,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-11-10 09:56:01,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-10 09:56:01,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2018-11-10 09:56:01,239 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 48 [2018-11-10 09:56:01,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:56:01,240 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2018-11-10 09:56:01,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 09:56:01,240 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2018-11-10 09:56:01,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 09:56:01,241 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:56:01,241 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 09:56:01,242 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:56:01,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:56:01,242 INFO L82 PathProgramCache]: Analyzing trace with hash 310839750, now seen corresponding path program 1 times [2018-11-10 09:56:01,242 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 09:56:01,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:56:01,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:56:01,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:56:01,243 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 09:56:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:56:01,372 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 09:56:01,372 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:56:01,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 09:56:01,372 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 09:56:01,373 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 09:56:01,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 09:56:01,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 09:56:01,374 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 7 states. [2018-11-10 09:56:01,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:56:01,776 INFO L93 Difference]: Finished difference Result 306 states and 372 transitions. [2018-11-10 09:56:01,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 09:56:01,777 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-10 09:56:01,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:56:01,778 INFO L225 Difference]: With dead ends: 306 [2018-11-10 09:56:01,779 INFO L226 Difference]: Without dead ends: 229 [2018-11-10 09:56:01,779 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-10 09:56:01,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-11-10 09:56:01,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 217. [2018-11-10 09:56:01,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-11-10 09:56:01,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 263 transitions. [2018-11-10 09:56:01,801 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 263 transitions. Word has length 53 [2018-11-10 09:56:01,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:56:01,801 INFO L481 AbstractCegarLoop]: Abstraction has 217 states and 263 transitions. [2018-11-10 09:56:01,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 09:56:01,801 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 263 transitions. [2018-11-10 09:56:01,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 09:56:01,802 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:56:01,802 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 09:56:01,803 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:56:01,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:56:01,803 INFO L82 PathProgramCache]: Analyzing trace with hash -905002790, now seen corresponding path program 1 times [2018-11-10 09:56:01,803 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 09:56:01,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:56:01,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:56:01,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:56:01,804 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 09:56:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:56:01,893 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 09:56:01,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:56:01,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 09:56:01,894 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 09:56:01,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 09:56:01,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 09:56:01,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 09:56:01,895 INFO L87 Difference]: Start difference. First operand 217 states and 263 transitions. Second operand 6 states. [2018-11-10 09:56:02,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:56:02,048 INFO L93 Difference]: Finished difference Result 588 states and 737 transitions. [2018-11-10 09:56:02,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 09:56:02,050 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-11-10 09:56:02,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:56:02,053 INFO L225 Difference]: With dead ends: 588 [2018-11-10 09:56:02,054 INFO L226 Difference]: Without dead ends: 395 [2018-11-10 09:56:02,055 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 09:56:02,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2018-11-10 09:56:02,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 389. [2018-11-10 09:56:02,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2018-11-10 09:56:02,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 476 transitions. [2018-11-10 09:56:02,093 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 476 transitions. Word has length 58 [2018-11-10 09:56:02,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:56:02,093 INFO L481 AbstractCegarLoop]: Abstraction has 389 states and 476 transitions. [2018-11-10 09:56:02,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 09:56:02,094 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 476 transitions. [2018-11-10 09:56:02,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 09:56:02,096 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:56:02,096 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 09:56:02,096 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:56:02,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:56:02,096 INFO L82 PathProgramCache]: Analyzing trace with hash -854617666, now seen corresponding path program 1 times [2018-11-10 09:56:02,096 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 09:56:02,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:56:02,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:56:02,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:56:02,098 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 09:56:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:56:02,190 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 09:56:02,191 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:56:02,191 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 09:56:02,191 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 09:56:02,192 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 09:56:02,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 09:56:02,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 09:56:02,192 INFO L87 Difference]: Start difference. First operand 389 states and 476 transitions. Second operand 7 states. [2018-11-10 09:56:02,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:56:02,457 INFO L93 Difference]: Finished difference Result 669 states and 840 transitions. [2018-11-10 09:56:02,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 09:56:02,457 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2018-11-10 09:56:02,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:56:02,458 INFO L225 Difference]: With dead ends: 669 [2018-11-10 09:56:02,458 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 09:56:02,460 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 09:56:02,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 09:56:02,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 09:56:02,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 09:56:02,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 09:56:02,461 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2018-11-10 09:56:02,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:56:02,461 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 09:56:02,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 09:56:02,461 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 09:56:02,461 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 09:56:02,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 09:56:03,168 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 755 762) the Hoare annotation is: true [2018-11-10 09:56:03,168 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 755 762) no Hoare annotation was computed. [2018-11-10 09:56:03,168 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 755 762) no Hoare annotation was computed. [2018-11-10 09:56:03,168 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 705 729) no Hoare annotation was computed. [2018-11-10 09:56:03,168 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)) [2018-11-10 09:56:03,168 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)) [2018-11-10 09:56:03,168 INFO L425 ceAbstractionStarter]: For program point L724-1(lines 705 729) no Hoare annotation was computed. [2018-11-10 09:56:03,169 INFO L421 ceAbstractionStarter]: At program point L719(line 719) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-10 09:56:03,169 INFO L421 ceAbstractionStarter]: At program point L715(line 715) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-10 09:56:03,169 INFO L425 ceAbstractionStarter]: For program point L713(lines 713 721) no Hoare annotation was computed. [2018-11-10 09:56:03,169 INFO L421 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-10 09:56:03,169 INFO L425 ceAbstractionStarter]: For program point L711-1(line 711) no Hoare annotation was computed. [2018-11-10 09:56:03,169 INFO L425 ceAbstractionStarter]: For program point L709(lines 709 726) no Hoare annotation was computed. [2018-11-10 09:56:03,169 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 175 181) the Hoare annotation is: true [2018-11-10 09:56:03,169 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 175 181) no Hoare annotation was computed. [2018-11-10 09:56:03,169 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 182 190) no Hoare annotation was computed. [2018-11-10 09:56:03,169 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 182 190) the Hoare annotation is: true [2018-11-10 09:56:03,169 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 182 190) no Hoare annotation was computed. [2018-11-10 09:56:03,170 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))) [2018-11-10 09:56:03,170 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))) [2018-11-10 09:56:03,170 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 869) no Hoare annotation was computed. [2018-11-10 09:56:03,170 INFO L425 ceAbstractionStarter]: For program point L863-1(lines 863 869) no Hoare annotation was computed. [2018-11-10 09:56:03,170 INFO L425 ceAbstractionStarter]: For program point L855(lines 855 859) no Hoare annotation was computed. [2018-11-10 09:56:03,170 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 843 910) no Hoare annotation was computed. [2018-11-10 09:56:03,170 INFO L425 ceAbstractionStarter]: For program point L853-1(lines 853 902) no Hoare annotation was computed. [2018-11-10 09:56:03,170 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))) [2018-11-10 09:56:03,170 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))) [2018-11-10 09:56:03,171 INFO L425 ceAbstractionStarter]: For program point L891(lines 891 897) no Hoare annotation was computed. [2018-11-10 09:56:03,171 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))) [2018-11-10 09:56:03,171 INFO L425 ceAbstractionStarter]: For program point L854(lines 853 902) no Hoare annotation was computed. [2018-11-10 09:56:03,171 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))) [2018-11-10 09:56:03,171 INFO L425 ceAbstractionStarter]: For program point L883(lines 883 898) no Hoare annotation was computed. [2018-11-10 09:56:03,171 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))) [2018-11-10 09:56:03,171 INFO L425 ceAbstractionStarter]: For program point L873(lines 873 879) no Hoare annotation was computed. [2018-11-10 09:56:03,171 INFO L425 ceAbstractionStarter]: For program point L873-1(lines 873 879) no Hoare annotation was computed. [2018-11-10 09:56:03,171 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))) [2018-11-10 09:56:03,171 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 843 910) no Hoare annotation was computed. [2018-11-10 09:56:03,172 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))) [2018-11-10 09:56:03,172 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 267 289) no Hoare annotation was computed. [2018-11-10 09:56:03,172 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))) [2018-11-10 09:56:03,172 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))) [2018-11-10 09:56:03,172 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 284) no Hoare annotation was computed. [2018-11-10 09:56:03,172 INFO L425 ceAbstractionStarter]: For program point L277-1(lines 277 284) no Hoare annotation was computed. [2018-11-10 09:56:03,172 INFO L425 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2018-11-10 09:56:03,172 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))) [2018-11-10 09:56:03,172 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))) [2018-11-10 09:56:03,173 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))) [2018-11-10 09:56:03,173 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 267 289) no Hoare annotation was computed. [2018-11-10 09:56:03,173 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 697 703) no Hoare annotation was computed. [2018-11-10 09:56:03,173 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 697 703) the Hoare annotation is: true [2018-11-10 09:56:03,173 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 819 833) no Hoare annotation was computed. [2018-11-10 09:56:03,173 INFO L421 ceAbstractionStarter]: At program point L825(line 825) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-10 09:56:03,173 INFO L425 ceAbstractionStarter]: For program point L823(lines 823 829) no Hoare annotation was computed. [2018-11-10 09:56:03,173 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))))) [2018-11-10 09:56:03,173 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 819 833) no Hoare annotation was computed. [2018-11-10 09:56:03,173 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 774 782) no Hoare annotation was computed. [2018-11-10 09:56:03,173 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 774 782) the Hoare annotation is: true [2018-11-10 09:56:03,174 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 774 782) no Hoare annotation was computed. [2018-11-10 09:56:03,174 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 09:56:03,174 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-10 09:56:03,174 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 09:56:03,174 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 09:56:03,174 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2018-11-10 09:56:03,174 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2018-11-10 09:56:03,174 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2018-11-10 09:56:03,174 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2018-11-10 09:56:03,174 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2018-11-10 09:56:03,174 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 194 223) no Hoare annotation was computed. [2018-11-10 09:56:03,175 INFO L428 ceAbstractionStarter]: At program point L219(lines 194 223) the Hoare annotation is: true [2018-11-10 09:56:03,175 INFO L425 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2018-11-10 09:56:03,175 INFO L425 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-10 09:56:03,175 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 194 223) the Hoare annotation is: true [2018-11-10 09:56:03,175 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 212) no Hoare annotation was computed. [2018-11-10 09:56:03,175 INFO L428 ceAbstractionStarter]: At program point L208-1(lines 208 212) the Hoare annotation is: true [2018-11-10 09:56:03,175 INFO L425 ceAbstractionStarter]: For program point L204-1(lines 204 218) no Hoare annotation was computed. [2018-11-10 09:56:03,175 INFO L428 ceAbstractionStarter]: At program point L204-3(lines 204 218) the Hoare annotation is: true [2018-11-10 09:56:03,175 INFO L428 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: true [2018-11-10 09:56:03,175 INFO L425 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2018-11-10 09:56:03,175 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)) [2018-11-10 09:56:03,175 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))) [2018-11-10 09:56:03,175 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)) [2018-11-10 09:56:03,175 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 673 696) no Hoare annotation was computed. [2018-11-10 09:56:03,176 INFO L421 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-10 09:56:03,176 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 673 696) no Hoare annotation was computed. [2018-11-10 09:56:03,176 INFO L425 ceAbstractionStarter]: For program point L677(lines 676 695) no Hoare annotation was computed. [2018-11-10 09:56:03,176 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2018-11-10 09:56:03,176 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2018-11-10 09:56:03,176 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2018-11-10 09:56:03,176 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 168 174) no Hoare annotation was computed. [2018-11-10 09:56:03,176 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 168 174) the Hoare annotation is: true [2018-11-10 09:56:03,176 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 09:56:03,176 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-10 09:56:03,176 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 09:56:03,176 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 09:56:03,177 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 249 255) no Hoare annotation was computed. [2018-11-10 09:56:03,177 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 249 255) the Hoare annotation is: true [2018-11-10 09:56:03,177 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 834 841) no Hoare annotation was computed. [2018-11-10 09:56:03,177 INFO L428 ceAbstractionStarter]: At program point startSystemENTRY(lines 834 841) the Hoare annotation is: true [2018-11-10 09:56:03,177 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 834 841) no Hoare annotation was computed. [2018-11-10 09:56:03,177 INFO L425 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2018-11-10 09:56:03,177 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2018-11-10 09:56:03,177 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2018-11-10 09:56:03,179 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 291 298) no Hoare annotation was computed. [2018-11-10 09:56:03,179 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2018-11-10 09:56:03,179 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 291 298) the Hoare annotation is: true [2018-11-10 09:56:03,179 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 291 298) no Hoare annotation was computed. [2018-11-10 09:56:03,179 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))) [2018-11-10 09:56:03,179 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 257 266) no Hoare annotation was computed. [2018-11-10 09:56:03,179 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 257 266) no Hoare annotation was computed. [2018-11-10 09:56:03,179 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 128 152) the Hoare annotation is: true [2018-11-10 09:56:03,179 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 128 152) no Hoare annotation was computed. [2018-11-10 09:56:03,179 INFO L421 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-10 09:56:03,180 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2018-11-10 09:56:03,180 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 09:56:03,180 INFO L425 ceAbstractionStarter]: For program point L138-1(line 138) no Hoare annotation was computed. [2018-11-10 09:56:03,180 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 149) no Hoare annotation was computed. [2018-11-10 09:56:03,180 INFO L425 ceAbstractionStarter]: For program point L136-1(lines 128 152) no Hoare annotation was computed. [2018-11-10 09:56:03,180 INFO L428 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: true [2018-11-10 09:56:03,180 INFO L425 ceAbstractionStarter]: For program point L134-1(line 134) no Hoare annotation was computed. [2018-11-10 09:56:03,180 INFO L428 ceAbstractionStarter]: At program point L768(line 768) the Hoare annotation is: true [2018-11-10 09:56:03,180 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 763 773) the Hoare annotation is: true [2018-11-10 09:56:03,180 INFO L425 ceAbstractionStarter]: For program point L768-1(line 768) no Hoare annotation was computed. [2018-11-10 09:56:03,180 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 763 773) no Hoare annotation was computed. [2018-11-10 09:56:03,180 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 763 773) no Hoare annotation was computed. [2018-11-10 09:56:03,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 09:56:03 BoogieIcfgContainer [2018-11-10 09:56:03,196 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 09:56:03,197 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 09:56:03,197 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 09:56:03,197 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 09:56:03,198 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:56:00" (3/4) ... [2018-11-10 09:56:03,201 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 09:56:03,207 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 09:56:03,207 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 09:56:03,207 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 09:56:03,207 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 09:56:03,208 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 09:56:03,208 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 09:56:03,208 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-10 09:56:03,208 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-10 09:56:03,208 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 09:56:03,208 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 09:56:03,208 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 09:56:03,208 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 09:56:03,208 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 09:56:03,208 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 09:56:03,208 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 09:56:03,208 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 09:56:03,209 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 09:56:03,209 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-10 09:56:03,209 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 09:56:03,209 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 09:56:03,209 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 09:56:03,209 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-10 09:56:03,209 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 09:56:03,217 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 138 nodes and edges [2018-11-10 09:56:03,218 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 09:56:03,218 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 09:56:03,245 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 09:56:03,246 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 09:56:03,290 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ac3a21e1-89e5-488a-942e-fc1881d202f7/bin-2019/utaipan/witness.graphml [2018-11-10 09:56:03,290 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 09:56:03,291 INFO L168 Benchmark]: Toolchain (without parser) took 3561.08 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 231.7 MB). Free memory was 953.8 MB in the beginning and 1.1 GB in the end (delta: -100.0 MB). Peak memory consumption was 131.7 MB. Max. memory is 11.5 GB. [2018-11-10 09:56:03,292 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:56:03,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.78 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 929.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 09:56:03,292 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 929.6 MB in the beginning and 1.2 GB in the end (delta: -224.0 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-10 09:56:03,293 INFO L168 Benchmark]: Boogie Preprocessor took 28.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-10 09:56:03,293 INFO L168 Benchmark]: RCFGBuilder took 538.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 84.3 MB). Peak memory consumption was 84.3 MB. Max. memory is 11.5 GB. [2018-11-10 09:56:03,293 INFO L168 Benchmark]: TraceAbstraction took 2485.76 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 72.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -1.6 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2018-11-10 09:56:03,294 INFO L168 Benchmark]: Witness Printer took 93.28 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-11-10 09:56:03,296 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 329.78 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 929.6 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 80.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 929.6 MB in the beginning and 1.2 GB in the end (delta: -224.0 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 538.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 84.3 MB). Peak memory consumption was 84.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2485.76 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 72.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -1.6 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * Witness Printer took 93.28 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 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, 2.4s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 612 SDtfs, 398 SDslu, 1102 SDs, 0 SdLazy, 413 SolverSat, 112 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 444 PreInvPairs, 491 NumberOfFragments, 499 HoareAnnotationTreeSize, 444 FomulaSimplifications, 443 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 53 FomulaSimplificationsInter, 1838 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s 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...