./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product13_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_456d3553-c028-4a35-84a6-582515645d0b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_456d3553-c028-4a35-84a6-582515645d0b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_456d3553-c028-4a35-84a6-582515645d0b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_456d3553-c028-4a35-84a6-582515645d0b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product13_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_456d3553-c028-4a35-84a6-582515645d0b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_456d3553-c028-4a35-84a6-582515645d0b/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 06e1bbb05b064353049072459310c7da1eede934 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 15:45:14,204 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 15:45:14,204 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 15:45:14,211 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 15:45:14,211 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 15:45:14,211 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 15:45:14,212 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 15:45:14,213 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 15:45:14,214 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 15:45:14,215 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 15:45:14,215 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 15:45:14,215 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 15:45:14,216 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 15:45:14,216 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 15:45:14,217 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 15:45:14,217 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 15:45:14,218 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 15:45:14,219 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 15:45:14,220 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 15:45:14,220 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 15:45:14,221 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 15:45:14,222 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 15:45:14,223 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 15:45:14,223 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 15:45:14,223 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 15:45:14,224 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 15:45:14,224 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 15:45:14,225 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 15:45:14,225 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 15:45:14,226 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 15:45:14,226 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 15:45:14,226 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 15:45:14,226 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 15:45:14,227 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 15:45:14,227 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 15:45:14,228 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 15:45:14,228 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_456d3553-c028-4a35-84a6-582515645d0b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 15:45:14,235 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 15:45:14,235 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 15:45:14,236 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 15:45:14,236 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 15:45:14,236 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 15:45:14,236 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 15:45:14,236 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 15:45:14,236 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 15:45:14,236 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 15:45:14,237 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 15:45:14,237 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 15:45:14,237 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 15:45:14,237 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 15:45:14,237 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 15:45:14,237 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 15:45:14,237 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 15:45:14,237 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 15:45:14,238 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 15:45:14,238 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 15:45:14,238 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 15:45:14,238 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 15:45:14,238 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 15:45:14,238 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 15:45:14,238 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 15:45:14,238 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 15:45:14,238 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 15:45:14,238 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 15:45:14,238 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 15:45:14,239 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 15:45:14,239 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 15:45:14,239 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 15:45:14,239 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 15:45:14,239 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 15:45:14,239 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 15:45:14,239 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 15:45:14,239 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 15:45:14,239 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_456d3553-c028-4a35-84a6-582515645d0b/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 -> 06e1bbb05b064353049072459310c7da1eede934 [2018-12-09 15:45:14,256 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 15:45:14,263 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 15:45:14,265 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 15:45:14,266 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 15:45:14,266 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 15:45:14,267 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_456d3553-c028-4a35-84a6-582515645d0b/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product13_true-unreach-call_false-termination.cil.c [2018-12-09 15:45:14,302 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_456d3553-c028-4a35-84a6-582515645d0b/bin-2019/utaipan/data/45772357d/d576c9468a5645bfaad7a36612951e4e/FLAGdb651f4a3 [2018-12-09 15:45:14,854 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 15:45:14,854 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_456d3553-c028-4a35-84a6-582515645d0b/sv-benchmarks/c/product-lines/minepump_spec1_product13_true-unreach-call_false-termination.cil.c [2018-12-09 15:45:14,860 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_456d3553-c028-4a35-84a6-582515645d0b/bin-2019/utaipan/data/45772357d/d576c9468a5645bfaad7a36612951e4e/FLAGdb651f4a3 [2018-12-09 15:45:15,292 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_456d3553-c028-4a35-84a6-582515645d0b/bin-2019/utaipan/data/45772357d/d576c9468a5645bfaad7a36612951e4e [2018-12-09 15:45:15,294 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 15:45:15,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 15:45:15,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 15:45:15,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 15:45:15,298 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 15:45:15,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:45:15" (1/1) ... [2018-12-09 15:45:15,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fa8bae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:45:15, skipping insertion in model container [2018-12-09 15:45:15,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:45:15" (1/1) ... [2018-12-09 15:45:15,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 15:45:15,330 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 15:45:15,471 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:45:15,512 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 15:45:15,550 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:45:15,564 INFO L195 MainTranslator]: Completed translation [2018-12-09 15:45:15,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:45:15 WrapperNode [2018-12-09 15:45:15,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 15:45:15,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 15:45:15,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 15:45:15,565 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 15:45:15,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:45:15" (1/1) ... [2018-12-09 15:45:15,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:45:15" (1/1) ... [2018-12-09 15:45:15,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 15:45:15,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 15:45:15,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 15:45:15,585 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 15:45:15,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:45:15" (1/1) ... [2018-12-09 15:45:15,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:45:15" (1/1) ... [2018-12-09 15:45:15,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:45:15" (1/1) ... [2018-12-09 15:45:15,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:45:15" (1/1) ... [2018-12-09 15:45:15,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:45:15" (1/1) ... [2018-12-09 15:45:15,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:45:15" (1/1) ... [2018-12-09 15:45:15,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:45:15" (1/1) ... [2018-12-09 15:45:15,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 15:45:15,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 15:45:15,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 15:45:15,605 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 15:45:15,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:45:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_456d3553-c028-4a35-84a6-582515645d0b/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 15:45:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 15:45:15,638 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 15:45:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 15:45:15,639 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 15:45:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 15:45:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 15:45:15,639 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 15:45:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 15:45:15,639 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 15:45:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 15:45:15,640 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 15:45:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 15:45:15,640 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 15:45:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 15:45:15,640 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 15:45:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 15:45:15,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 15:45:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 15:45:15,640 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 15:45:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 15:45:15,640 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 15:45:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 15:45:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 15:45:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 15:45:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 15:45:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 15:45:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 15:45:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 15:45:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 15:45:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 15:45:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 15:45:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 15:45:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 15:45:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 15:45:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 15:45:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 15:45:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 15:45:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 15:45:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 15:45:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 15:45:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 15:45:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 15:45:15,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 15:45:15,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 15:45:15,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-09 15:45:15,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-09 15:45:15,933 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 15:45:15,934 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 15:45:15,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:45:15 BoogieIcfgContainer [2018-12-09 15:45:15,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 15:45:15,934 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 15:45:15,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 15:45:15,937 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 15:45:15,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:45:15" (1/3) ... [2018-12-09 15:45:15,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb51d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:45:15, skipping insertion in model container [2018-12-09 15:45:15,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:45:15" (2/3) ... [2018-12-09 15:45:15,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb51d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:45:15, skipping insertion in model container [2018-12-09 15:45:15,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:45:15" (3/3) ... [2018-12-09 15:45:15,940 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product13_true-unreach-call_false-termination.cil.c [2018-12-09 15:45:15,949 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 15:45:15,954 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 15:45:15,963 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 15:45:15,987 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 15:45:15,987 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 15:45:15,987 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 15:45:15,987 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 15:45:15,987 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 15:45:15,987 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 15:45:15,987 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 15:45:15,987 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 15:45:16,004 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2018-12-09 15:45:16,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 15:45:16,010 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:45:16,011 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:45:16,012 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:45:16,015 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:45:16,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1059058492, now seen corresponding path program 1 times [2018-12-09 15:45:16,017 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:45:16,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:45:16,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:45:16,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:45:16,046 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:45:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:45:16,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:45:16,155 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:45:16,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 15:45:16,156 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:45:16,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 15:45:16,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 15:45:16,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 15:45:16,168 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2018-12-09 15:45:16,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:45:16,187 INFO L93 Difference]: Finished difference Result 198 states and 249 transitions. [2018-12-09 15:45:16,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 15:45:16,188 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 15:45:16,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:45:16,194 INFO L225 Difference]: With dead ends: 198 [2018-12-09 15:45:16,194 INFO L226 Difference]: Without dead ends: 99 [2018-12-09 15:45:16,197 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 15:45:16,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-12-09 15:45:16,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-12-09 15:45:16,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-12-09 15:45:16,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 116 transitions. [2018-12-09 15:45:16,224 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 116 transitions. Word has length 46 [2018-12-09 15:45:16,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:45:16,224 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 116 transitions. [2018-12-09 15:45:16,224 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 15:45:16,224 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 116 transitions. [2018-12-09 15:45:16,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 15:45:16,226 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:45:16,226 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:45:16,226 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:45:16,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:45:16,226 INFO L82 PathProgramCache]: Analyzing trace with hash 128179111, now seen corresponding path program 1 times [2018-12-09 15:45:16,226 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:45:16,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:45:16,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:45:16,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:45:16,227 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:45:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:45:16,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:45:16,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:45:16,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 15:45:16,278 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:45:16,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 15:45:16,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 15:45:16,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 15:45:16,280 INFO L87 Difference]: Start difference. First operand 99 states and 116 transitions. Second operand 3 states. [2018-12-09 15:45:16,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:45:16,290 INFO L93 Difference]: Finished difference Result 147 states and 171 transitions. [2018-12-09 15:45:16,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 15:45:16,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 15:45:16,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:45:16,291 INFO L225 Difference]: With dead ends: 147 [2018-12-09 15:45:16,291 INFO L226 Difference]: Without dead ends: 90 [2018-12-09 15:45:16,292 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 15:45:16,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-12-09 15:45:16,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-12-09 15:45:16,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-12-09 15:45:16,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2018-12-09 15:45:16,298 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 47 [2018-12-09 15:45:16,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:45:16,298 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2018-12-09 15:45:16,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 15:45:16,298 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2018-12-09 15:45:16,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 15:45:16,299 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:45:16,299 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:45:16,299 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:45:16,299 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:45:16,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1706143085, now seen corresponding path program 1 times [2018-12-09 15:45:16,300 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:45:16,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:45:16,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:45:16,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:45:16,300 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:45:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:45:16,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:45:16,373 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:45:16,373 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 15:45:16,373 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:45:16,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 15:45:16,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 15:45:16,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 15:45:16,374 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 7 states. [2018-12-09 15:45:16,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:45:16,534 INFO L93 Difference]: Finished difference Result 156 states and 185 transitions. [2018-12-09 15:45:16,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 15:45:16,534 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-09 15:45:16,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:45:16,535 INFO L225 Difference]: With dead ends: 156 [2018-12-09 15:45:16,535 INFO L226 Difference]: Without dead ends: 90 [2018-12-09 15:45:16,536 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 15:45:16,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-12-09 15:45:16,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-12-09 15:45:16,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-12-09 15:45:16,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2018-12-09 15:45:16,544 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 51 [2018-12-09 15:45:16,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:45:16,544 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2018-12-09 15:45:16,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 15:45:16,544 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2018-12-09 15:45:16,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 15:45:16,545 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:45:16,545 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:45:16,545 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:45:16,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:45:16,545 INFO L82 PathProgramCache]: Analyzing trace with hash -167022403, now seen corresponding path program 1 times [2018-12-09 15:45:16,546 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:45:16,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:45:16,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:45:16,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:45:16,546 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:45:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:45:16,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:45:16,619 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:45:16,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 15:45:16,619 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:45:16,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 15:45:16,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 15:45:16,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 15:45:16,620 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand 6 states. [2018-12-09 15:45:16,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:45:16,719 INFO L93 Difference]: Finished difference Result 215 states and 258 transitions. [2018-12-09 15:45:16,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 15:45:16,719 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2018-12-09 15:45:16,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:45:16,722 INFO L225 Difference]: With dead ends: 215 [2018-12-09 15:45:16,722 INFO L226 Difference]: Without dead ends: 149 [2018-12-09 15:45:16,722 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 15:45:16,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-12-09 15:45:16,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 147. [2018-12-09 15:45:16,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-12-09 15:45:16,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 172 transitions. [2018-12-09 15:45:16,739 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 172 transitions. Word has length 59 [2018-12-09 15:45:16,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:45:16,739 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 172 transitions. [2018-12-09 15:45:16,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 15:45:16,739 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 172 transitions. [2018-12-09 15:45:16,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 15:45:16,741 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:45:16,741 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:45:16,741 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:45:16,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:45:16,742 INFO L82 PathProgramCache]: Analyzing trace with hash 113233473, now seen corresponding path program 1 times [2018-12-09 15:45:16,742 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:45:16,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:45:16,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:45:16,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:45:16,743 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:45:16,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:45:16,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:45:16,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:45:16,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 15:45:16,816 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:45:16,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 15:45:16,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 15:45:16,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 15:45:16,817 INFO L87 Difference]: Start difference. First operand 147 states and 172 transitions. Second operand 7 states. [2018-12-09 15:45:16,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:45:16,997 INFO L93 Difference]: Finished difference Result 235 states and 282 transitions. [2018-12-09 15:45:16,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 15:45:16,997 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 63 [2018-12-09 15:45:16,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:45:16,998 INFO L225 Difference]: With dead ends: 235 [2018-12-09 15:45:16,998 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 15:45:16,998 INFO L631 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 [2018-12-09 15:45:16,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 15:45:16,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 15:45:16,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 15:45:16,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 15:45:16,999 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2018-12-09 15:45:16,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:45:16,999 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 15:45:16,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 15:45:16,999 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 15:45:16,999 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 15:45:17,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 15:45:17,365 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 817 824) the Hoare annotation is: true [2018-12-09 15:45:17,365 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 817 824) no Hoare annotation was computed. [2018-12-09 15:45:17,365 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 817 824) no Hoare annotation was computed. [2018-12-09 15:45:17,365 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 767 791) no Hoare annotation was computed. [2018-12-09 15:45:17,365 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 767 791) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 15:45:17,366 INFO L444 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 15:45:17,366 INFO L448 ceAbstractionStarter]: For program point L786-1(lines 767 791) no Hoare annotation was computed. [2018-12-09 15:45:17,366 INFO L444 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 15:45:17,366 INFO L444 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 15:45:17,366 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 783) no Hoare annotation was computed. [2018-12-09 15:45:17,366 INFO L444 ceAbstractionStarter]: At program point L773(line 773) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 15:45:17,366 INFO L448 ceAbstractionStarter]: For program point L773-1(line 773) no Hoare annotation was computed. [2018-12-09 15:45:17,366 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 788) no Hoare annotation was computed. [2018-12-09 15:45:17,366 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 522 528) the Hoare annotation is: true [2018-12-09 15:45:17,366 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 522 528) no Hoare annotation was computed. [2018-12-09 15:45:17,366 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 529 537) no Hoare annotation was computed. [2018-12-09 15:45:17,366 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 529 537) the Hoare annotation is: true [2018-12-09 15:45:17,366 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 529 537) no Hoare annotation was computed. [2018-12-09 15:45:17,366 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 665 728) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 15:45:17,367 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 665 728) no Hoare annotation was computed. [2018-12-09 15:45:17,367 INFO L444 ceAbstractionStarter]: At program point L721(lines 674 722) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 15:45:17,367 INFO L448 ceAbstractionStarter]: For program point L711(lines 711 715) no Hoare annotation was computed. [2018-12-09 15:45:17,367 INFO L444 ceAbstractionStarter]: At program point L711-2(lines 705 716) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-09 15:45:17,367 INFO L448 ceAbstractionStarter]: For program point L676(lines 675 720) no Hoare annotation was computed. [2018-12-09 15:45:17,367 INFO L448 ceAbstractionStarter]: For program point L705(lines 705 716) no Hoare annotation was computed. [2018-12-09 15:45:17,367 INFO L444 ceAbstractionStarter]: At program point L697(line 697) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-09 15:45:17,367 INFO L448 ceAbstractionStarter]: For program point L695(lines 695 701) no Hoare annotation was computed. [2018-12-09 15:45:17,367 INFO L448 ceAbstractionStarter]: For program point L695-1(lines 695 701) no Hoare annotation was computed. [2018-12-09 15:45:17,367 INFO L444 ceAbstractionStarter]: At program point L687(line 687) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-09 15:45:17,367 INFO L444 ceAbstractionStarter]: At program point L718(lines 675 720) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-09 15:45:17,367 INFO L448 ceAbstractionStarter]: For program point L685(lines 685 691) no Hoare annotation was computed. [2018-12-09 15:45:17,367 INFO L448 ceAbstractionStarter]: For program point L685-1(lines 685 691) no Hoare annotation was computed. [2018-12-09 15:45:17,367 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 681) no Hoare annotation was computed. [2018-12-09 15:45:17,368 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 665 728) no Hoare annotation was computed. [2018-12-09 15:45:17,368 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 614 636) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 15:45:17,368 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 614 636) no Hoare annotation was computed. [2018-12-09 15:45:17,368 INFO L444 ceAbstractionStarter]: At program point L626(line 626) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 15:45:17,368 INFO L444 ceAbstractionStarter]: At program point L626-1(line 626) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 15:45:17,368 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 631) no Hoare annotation was computed. [2018-12-09 15:45:17,368 INFO L448 ceAbstractionStarter]: For program point L624-1(lines 624 631) no Hoare annotation was computed. [2018-12-09 15:45:17,368 INFO L448 ceAbstractionStarter]: For program point L622(line 622) no Hoare annotation was computed. [2018-12-09 15:45:17,368 INFO L444 ceAbstractionStarter]: At program point L621(line 621) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 15:45:17,368 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 614 636) no Hoare annotation was computed. [2018-12-09 15:45:17,368 INFO L444 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 15:45:17,368 INFO L444 ceAbstractionStarter]: At program point L620-1(line 620) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 15:45:17,368 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 759 765) no Hoare annotation was computed. [2018-12-09 15:45:17,368 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 759 765) the Hoare annotation is: true [2018-12-09 15:45:17,368 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 836 844) no Hoare annotation was computed. [2018-12-09 15:45:17,369 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 836 844) the Hoare annotation is: true [2018-12-09 15:45:17,369 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 836 844) no Hoare annotation was computed. [2018-12-09 15:45:17,369 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 15:45:17,369 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-09 15:45:17,369 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 15:45:17,369 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 438 449) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 15:45:17,369 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 438 449) no Hoare annotation was computed. [2018-12-09 15:45:17,369 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 438 449) no Hoare annotation was computed. [2018-12-09 15:45:17,369 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 735 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 15:45:17,369 INFO L444 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 15:45:17,370 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 735 758) no Hoare annotation was computed. [2018-12-09 15:45:17,370 INFO L444 ceAbstractionStarter]: At program point L746(lines 746 752) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 15:45:17,370 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 735 758) no Hoare annotation was computed. [2018-12-09 15:45:17,370 INFO L444 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 15:45:17,370 INFO L448 ceAbstractionStarter]: For program point L739(lines 738 757) no Hoare annotation was computed. [2018-12-09 15:45:17,370 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 541 570) no Hoare annotation was computed. [2018-12-09 15:45:17,370 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 541 570) the Hoare annotation is: true [2018-12-09 15:45:17,370 INFO L451 ceAbstractionStarter]: At program point L566(lines 541 570) the Hoare annotation is: true [2018-12-09 15:45:17,370 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-09 15:45:17,370 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 559) no Hoare annotation was computed. [2018-12-09 15:45:17,371 INFO L451 ceAbstractionStarter]: At program point L555-1(lines 555 559) the Hoare annotation is: true [2018-12-09 15:45:17,371 INFO L448 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2018-12-09 15:45:17,371 INFO L451 ceAbstractionStarter]: At program point L551-2(lines 551 565) the Hoare annotation is: true [2018-12-09 15:45:17,371 INFO L451 ceAbstractionStarter]: At program point L547(line 547) the Hoare annotation is: true [2018-12-09 15:45:17,371 INFO L448 ceAbstractionStarter]: For program point L547-1(line 547) no Hoare annotation was computed. [2018-12-09 15:45:17,371 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 450 458) the Hoare annotation is: true [2018-12-09 15:45:17,371 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 450 458) no Hoare annotation was computed. [2018-12-09 15:45:17,371 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 450 458) no Hoare annotation was computed. [2018-12-09 15:45:17,371 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 414 425) no Hoare annotation was computed. [2018-12-09 15:45:17,371 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 414 425) the Hoare annotation is: true [2018-12-09 15:45:17,371 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 414 425) no Hoare annotation was computed. [2018-12-09 15:45:17,371 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 515 521) no Hoare annotation was computed. [2018-12-09 15:45:17,372 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 515 521) the Hoare annotation is: true [2018-12-09 15:45:17,372 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 596 602) no Hoare annotation was computed. [2018-12-09 15:45:17,372 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 596 602) the Hoare annotation is: true [2018-12-09 15:45:17,372 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 15:45:17,372 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-09 15:45:17,372 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 15:45:17,372 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 15:45:17,372 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 426 437) no Hoare annotation was computed. [2018-12-09 15:45:17,372 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 426 437) no Hoare annotation was computed. [2018-12-09 15:45:17,372 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 426 437) the Hoare annotation is: true [2018-12-09 15:45:17,372 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 492 499) no Hoare annotation was computed. [2018-12-09 15:45:17,373 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 492 499) the Hoare annotation is: true [2018-12-09 15:45:17,373 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 492 499) no Hoare annotation was computed. [2018-12-09 15:45:17,373 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2018-12-09 15:45:17,373 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 604 613) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 15:45:17,373 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 604 613) no Hoare annotation was computed. [2018-12-09 15:45:17,373 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 604 613) no Hoare annotation was computed. [2018-12-09 15:45:17,373 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 639 663) the Hoare annotation is: true [2018-12-09 15:45:17,373 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 639 663) no Hoare annotation was computed. [2018-12-09 15:45:17,373 INFO L444 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-12-09 15:45:17,374 INFO L448 ceAbstractionStarter]: For program point L651(lines 651 657) no Hoare annotation was computed. [2018-12-09 15:45:17,374 INFO L444 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 15:45:17,374 INFO L448 ceAbstractionStarter]: For program point L649-1(line 649) no Hoare annotation was computed. [2018-12-09 15:45:17,374 INFO L448 ceAbstractionStarter]: For program point L647(lines 647 660) no Hoare annotation was computed. [2018-12-09 15:45:17,374 INFO L448 ceAbstractionStarter]: For program point L647-1(lines 639 663) no Hoare annotation was computed. [2018-12-09 15:45:17,374 INFO L451 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: true [2018-12-09 15:45:17,374 INFO L448 ceAbstractionStarter]: For program point L645-1(line 645) no Hoare annotation was computed. [2018-12-09 15:45:17,374 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 825 835) the Hoare annotation is: true [2018-12-09 15:45:17,374 INFO L451 ceAbstractionStarter]: At program point L830(line 830) the Hoare annotation is: true [2018-12-09 15:45:17,374 INFO L448 ceAbstractionStarter]: For program point L830-1(line 830) no Hoare annotation was computed. [2018-12-09 15:45:17,374 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 825 835) no Hoare annotation was computed. [2018-12-09 15:45:17,375 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 825 835) no Hoare annotation was computed. [2018-12-09 15:45:17,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:45:17 BoogieIcfgContainer [2018-12-09 15:45:17,384 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 15:45:17,385 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 15:45:17,385 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 15:45:17,385 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 15:45:17,385 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:45:15" (3/4) ... [2018-12-09 15:45:17,388 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 15:45:17,394 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 15:45:17,394 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 15:45:17,394 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 15:45:17,394 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 15:45:17,395 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 15:45:17,395 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 15:45:17,395 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 15:45:17,395 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 15:45:17,395 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 15:45:17,395 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 15:45:17,395 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 15:45:17,395 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 15:45:17,395 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 15:45:17,395 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 15:45:17,395 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 15:45:17,395 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 15:45:17,396 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 15:45:17,396 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 15:45:17,396 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 15:45:17,396 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-09 15:45:17,396 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 15:45:17,401 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-09 15:45:17,402 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 15:45:17,402 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 15:45:17,402 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 15:45:17,403 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 15:45:17,403 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 15:45:17,427 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) [2018-12-09 15:45:17,427 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 15:45:17,450 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_456d3553-c028-4a35-84a6-582515645d0b/bin-2019/utaipan/witness.graphml [2018-12-09 15:45:17,450 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 15:45:17,451 INFO L168 Benchmark]: Toolchain (without parser) took 2156.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.8 MB). Free memory was 960.3 MB in the beginning and 1.2 GB in the end (delta: -191.2 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2018-12-09 15:45:17,452 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:45:17,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -140.8 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-09 15:45:17,452 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:45:17,452 INFO L168 Benchmark]: Boogie Preprocessor took 19.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-09 15:45:17,453 INFO L168 Benchmark]: RCFGBuilder took 329.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. [2018-12-09 15:45:17,453 INFO L168 Benchmark]: TraceAbstraction took 1449.99 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 88.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -112.3 MB). Peak memory consumption was 277.7 MB. Max. memory is 11.5 GB. [2018-12-09 15:45:17,453 INFO L168 Benchmark]: Witness Printer took 65.83 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: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. [2018-12-09 15:45:17,455 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 269.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -140.8 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 329.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1449.99 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 88.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -112.3 MB). Peak memory consumption was 277.7 MB. Max. memory is 11.5 GB. * Witness Printer took 65.83 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: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 496]: 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: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 112 locations, 1 error locations. SAFE Result, 1.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 503 SDtfs, 287 SDslu, 776 SDs, 0 SdLazy, 301 SolverSat, 90 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=147occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 223 PreInvPairs, 236 NumberOfFragments, 427 HoareAnnotationTreeSize, 223 FomulaSimplifications, 68 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 48 FomulaSimplificationsInter, 705 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 26179 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...