./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product11_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_15a3295e-156a-4b00-9f88-980974786df1/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_15a3295e-156a-4b00-9f88-980974786df1/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_15a3295e-156a-4b00-9f88-980974786df1/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_15a3295e-156a-4b00-9f88-980974786df1/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product11_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_15a3295e-156a-4b00-9f88-980974786df1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_15a3295e-156a-4b00-9f88-980974786df1/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 42f057e1184787910edaa7abcd242178a9de26a8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 19:29:19,439 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:29:19,440 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:29:19,446 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:29:19,447 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:29:19,447 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:29:19,448 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:29:19,449 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:29:19,450 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:29:19,451 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:29:19,452 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:29:19,452 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:29:19,452 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:29:19,453 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:29:19,453 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:29:19,454 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:29:19,454 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:29:19,455 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:29:19,456 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:29:19,457 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:29:19,458 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:29:19,458 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:29:19,459 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:29:19,459 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:29:19,459 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:29:19,459 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:29:19,460 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:29:19,460 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:29:19,461 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:29:19,461 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:29:19,461 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:29:19,462 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:29:19,462 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:29:19,462 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:29:19,462 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:29:19,463 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:29:19,463 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_15a3295e-156a-4b00-9f88-980974786df1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:29:19,470 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:29:19,470 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:29:19,471 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:29:19,471 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:29:19,471 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:29:19,471 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:29:19,471 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:29:19,472 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:29:19,472 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:29:19,472 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:29:19,472 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:29:19,472 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:29:19,472 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:29:19,473 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:29:19,473 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:29:19,473 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:29:19,473 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:29:19,473 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:29:19,474 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:29:19,474 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:29:19,474 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:29:19,474 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:29:19,474 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:29:19,474 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:29:19,475 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:29:19,475 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:29:19,475 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:29:19,475 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:29:19,475 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:29:19,475 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:29:19,475 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:29:19,475 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:29:19,476 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:29:19,476 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:29:19,476 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:29:19,476 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:29:19,476 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_15a3295e-156a-4b00-9f88-980974786df1/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 -> 42f057e1184787910edaa7abcd242178a9de26a8 [2018-12-09 19:29:19,496 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:29:19,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:29:19,504 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:29:19,505 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:29:19,505 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:29:19,505 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_15a3295e-156a-4b00-9f88-980974786df1/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product11_true-unreach-call_false-termination.cil.c [2018-12-09 19:29:19,538 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_15a3295e-156a-4b00-9f88-980974786df1/bin-2019/utaipan/data/645d0ce92/b949ee43813046ebb7ae92e4516a392e/FLAG00d891bbf [2018-12-09 19:29:19,928 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:29:19,929 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_15a3295e-156a-4b00-9f88-980974786df1/sv-benchmarks/c/product-lines/minepump_spec2_product11_true-unreach-call_false-termination.cil.c [2018-12-09 19:29:19,935 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_15a3295e-156a-4b00-9f88-980974786df1/bin-2019/utaipan/data/645d0ce92/b949ee43813046ebb7ae92e4516a392e/FLAG00d891bbf [2018-12-09 19:29:19,943 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_15a3295e-156a-4b00-9f88-980974786df1/bin-2019/utaipan/data/645d0ce92/b949ee43813046ebb7ae92e4516a392e [2018-12-09 19:29:19,944 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:29:19,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:29:19,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:29:19,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:29:19,949 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:29:19,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:29:19" (1/1) ... [2018-12-09 19:29:19,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:19, skipping insertion in model container [2018-12-09 19:29:19,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:29:19" (1/1) ... [2018-12-09 19:29:19,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:29:19,981 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:29:20,125 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:29:20,133 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:29:20,205 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:29:20,221 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:29:20,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:20 WrapperNode [2018-12-09 19:29:20,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:29:20,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:29:20,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:29:20,222 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:29:20,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:20" (1/1) ... [2018-12-09 19:29:20,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:20" (1/1) ... [2018-12-09 19:29:20,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:29:20,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:29:20,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:29:20,246 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:29:20,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:20" (1/1) ... [2018-12-09 19:29:20,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:20" (1/1) ... [2018-12-09 19:29:20,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:20" (1/1) ... [2018-12-09 19:29:20,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:20" (1/1) ... [2018-12-09 19:29:20,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:20" (1/1) ... [2018-12-09 19:29:20,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:20" (1/1) ... [2018-12-09 19:29:20,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:20" (1/1) ... [2018-12-09 19:29:20,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:29:20,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:29:20,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:29:20,272 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:29:20,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_15a3295e-156a-4b00-9f88-980974786df1/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 19:29:20,304 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 19:29:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 19:29:20,304 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:29:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:29:20,304 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 19:29:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 19:29:20,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:29:20,304 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 19:29:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 19:29:20,305 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 19:29:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 19:29:20,305 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 19:29:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 19:29:20,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-09 19:29:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-09 19:29:20,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-09 19:29:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-09 19:29:20,305 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 19:29:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 19:29:20,305 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 19:29:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 19:29:20,305 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 19:29:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 19:29:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 19:29:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 19:29:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 19:29:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 19:29:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 19:29:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 19:29:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 19:29:20,307 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 19:29:20,307 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 19:29:20,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 19:29:20,307 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 19:29:20,307 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 19:29:20,307 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 19:29:20,307 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 19:29:20,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 19:29:20,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:29:20,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:29:20,308 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 19:29:20,308 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 19:29:20,308 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 19:29:20,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 19:29:20,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:29:20,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:29:20,587 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:29:20,587 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 19:29:20,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:29:20 BoogieIcfgContainer [2018-12-09 19:29:20,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:29:20,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:29:20,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:29:20,590 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:29:20,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:29:19" (1/3) ... [2018-12-09 19:29:20,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b214a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:29:20, skipping insertion in model container [2018-12-09 19:29:20,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:29:20" (2/3) ... [2018-12-09 19:29:20,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b214a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:29:20, skipping insertion in model container [2018-12-09 19:29:20,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:29:20" (3/3) ... [2018-12-09 19:29:20,592 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product11_true-unreach-call_false-termination.cil.c [2018-12-09 19:29:20,598 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:29:20,603 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:29:20,612 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:29:20,631 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:29:20,631 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:29:20,631 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:29:20,631 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:29:20,631 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:29:20,631 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:29:20,632 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:29:20,632 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:29:20,643 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2018-12-09 19:29:20,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 19:29:20,648 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:29:20,649 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 19:29:20,650 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:29:20,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:29:20,653 INFO L82 PathProgramCache]: Analyzing trace with hash 545354239, now seen corresponding path program 1 times [2018-12-09 19:29:20,655 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:29:20,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:29:20,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:29:20,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:29:20,684 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:29:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:29:20,798 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 19:29:20,799 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:29:20,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 19:29:20,799 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:29:20,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 19:29:20,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 19:29:20,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:29:20,811 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2018-12-09 19:29:20,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:29:20,830 INFO L93 Difference]: Finished difference Result 186 states and 233 transitions. [2018-12-09 19:29:20,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 19:29:20,831 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-09 19:29:20,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:29:20,837 INFO L225 Difference]: With dead ends: 186 [2018-12-09 19:29:20,837 INFO L226 Difference]: Without dead ends: 95 [2018-12-09 19:29:20,839 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 19:29:20,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-12-09 19:29:20,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-12-09 19:29:20,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-12-09 19:29:20,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2018-12-09 19:29:20,867 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 51 [2018-12-09 19:29:20,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:29:20,867 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2018-12-09 19:29:20,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 19:29:20,867 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2018-12-09 19:29:20,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 19:29:20,869 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:29:20,869 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:29:20,869 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:29:20,869 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:29:20,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1834718227, now seen corresponding path program 1 times [2018-12-09 19:29:20,870 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:29:20,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:29:20,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:29:20,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:29:20,871 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:29:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:29:20,933 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 19:29:20,933 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:29:20,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:29:20,934 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:29:20,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:29:20,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:29:20,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:29:20,935 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 3 states. [2018-12-09 19:29:20,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:29:20,945 INFO L93 Difference]: Finished difference Result 126 states and 145 transitions. [2018-12-09 19:29:20,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:29:20,945 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-09 19:29:20,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:29:20,946 INFO L225 Difference]: With dead ends: 126 [2018-12-09 19:29:20,947 INFO L226 Difference]: Without dead ends: 86 [2018-12-09 19:29:20,947 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 19:29:20,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-12-09 19:29:20,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-12-09 19:29:20,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-12-09 19:29:20,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 98 transitions. [2018-12-09 19:29:20,954 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 98 transitions. Word has length 52 [2018-12-09 19:29:20,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:29:20,954 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 98 transitions. [2018-12-09 19:29:20,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:29:20,954 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2018-12-09 19:29:20,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 19:29:20,955 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:29:20,955 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:29:20,956 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:29:20,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:29:20,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1160531133, now seen corresponding path program 1 times [2018-12-09 19:29:20,956 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:29:20,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:29:20,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:29:20,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:29:20,957 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:29:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:29:21,003 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 19:29:21,003 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:29:21,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:29:21,003 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:29:21,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:29:21,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:29:21,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:29:21,004 INFO L87 Difference]: Start difference. First operand 86 states and 98 transitions. Second operand 3 states. [2018-12-09 19:29:21,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:29:21,019 INFO L93 Difference]: Finished difference Result 197 states and 236 transitions. [2018-12-09 19:29:21,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:29:21,020 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2018-12-09 19:29:21,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:29:21,022 INFO L225 Difference]: With dead ends: 197 [2018-12-09 19:29:21,022 INFO L226 Difference]: Without dead ends: 139 [2018-12-09 19:29:21,023 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:29:21,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-12-09 19:29:21,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 129. [2018-12-09 19:29:21,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-12-09 19:29:21,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 153 transitions. [2018-12-09 19:29:21,034 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 153 transitions. Word has length 56 [2018-12-09 19:29:21,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:29:21,035 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 153 transitions. [2018-12-09 19:29:21,035 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:29:21,035 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 153 transitions. [2018-12-09 19:29:21,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 19:29:21,036 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:29:21,036 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 19:29:21,036 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:29:21,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:29:21,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1374116147, now seen corresponding path program 1 times [2018-12-09 19:29:21,037 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:29:21,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:29:21,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:29:21,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:29:21,037 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:29:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:29:21,095 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 19:29:21,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:29:21,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:29:21,096 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:29:21,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:29:21,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:29:21,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:29:21,097 INFO L87 Difference]: Start difference. First operand 129 states and 153 transitions. Second operand 6 states. [2018-12-09 19:29:21,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:29:21,210 INFO L93 Difference]: Finished difference Result 318 states and 396 transitions. [2018-12-09 19:29:21,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:29:21,210 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2018-12-09 19:29:21,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:29:21,212 INFO L225 Difference]: With dead ends: 318 [2018-12-09 19:29:21,212 INFO L226 Difference]: Without dead ends: 217 [2018-12-09 19:29:21,212 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 19:29:21,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-12-09 19:29:21,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 213. [2018-12-09 19:29:21,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-12-09 19:29:21,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 256 transitions. [2018-12-09 19:29:21,226 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 256 transitions. Word has length 59 [2018-12-09 19:29:21,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:29:21,226 INFO L480 AbstractCegarLoop]: Abstraction has 213 states and 256 transitions. [2018-12-09 19:29:21,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:29:21,226 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 256 transitions. [2018-12-09 19:29:21,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 19:29:21,228 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:29:21,228 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 19:29:21,228 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:29:21,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:29:21,228 INFO L82 PathProgramCache]: Analyzing trace with hash 172863633, now seen corresponding path program 1 times [2018-12-09 19:29:21,228 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:29:21,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:29:21,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:29:21,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:29:21,229 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:29:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:29:21,289 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 19:29:21,289 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:29:21,290 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:29:21,290 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:29:21,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:29:21,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:29:21,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:29:21,290 INFO L87 Difference]: Start difference. First operand 213 states and 256 transitions. Second operand 6 states. [2018-12-09 19:29:21,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:29:21,378 INFO L93 Difference]: Finished difference Result 373 states and 464 transitions. [2018-12-09 19:29:21,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 19:29:21,378 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-12-09 19:29:21,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:29:21,378 INFO L225 Difference]: With dead ends: 373 [2018-12-09 19:29:21,378 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 19:29:21,380 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 19:29:21,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 19:29:21,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 19:29:21,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 19:29:21,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 19:29:21,380 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2018-12-09 19:29:21,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:29:21,380 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 19:29:21,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:29:21,381 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 19:29:21,381 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:29:21,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 19:29:21,664 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 514 521) the Hoare annotation is: true [2018-12-09 19:29:21,664 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 514 521) no Hoare annotation was computed. [2018-12-09 19:29:21,664 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 514 521) no Hoare annotation was computed. [2018-12-09 19:29:21,664 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 481 487) no Hoare annotation was computed. [2018-12-09 19:29:21,664 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 481 487) the Hoare annotation is: true [2018-12-09 19:29:21,665 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-09 19:29:21,665 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-09 19:29:21,665 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-09 19:29:21,665 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-09 19:29:21,665 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-09 19:29:21,665 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 613) no Hoare annotation was computed. [2018-12-09 19:29:21,665 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 597 662) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-12-09 19:29:21,665 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 597 662) no Hoare annotation was computed. [2018-12-09 19:29:21,665 INFO L444 ceAbstractionStarter]: At program point L655(lines 606 656) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:29:21,665 INFO L444 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:29:21,665 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2018-12-09 19:29:21,665 INFO L444 ceAbstractionStarter]: At program point L643-1(lines 637 650) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:29:21,665 INFO L448 ceAbstractionStarter]: For program point L608(lines 607 654) no Hoare annotation was computed. [2018-12-09 19:29:21,665 INFO L448 ceAbstractionStarter]: For program point L637(lines 637 650) no Hoare annotation was computed. [2018-12-09 19:29:21,665 INFO L444 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:29:21,665 INFO L448 ceAbstractionStarter]: For program point L627(lines 627 633) no Hoare annotation was computed. [2018-12-09 19:29:21,666 INFO L448 ceAbstractionStarter]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2018-12-09 19:29:21,666 INFO L444 ceAbstractionStarter]: At program point L652(lines 607 654) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:29:21,666 INFO L444 ceAbstractionStarter]: At program point L619(line 619) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:29:21,666 INFO L448 ceAbstractionStarter]: For program point L617(lines 617 623) no Hoare annotation was computed. [2018-12-09 19:29:21,666 INFO L448 ceAbstractionStarter]: For program point L617-1(lines 617 623) no Hoare annotation was computed. [2018-12-09 19:29:21,666 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 597 662) no Hoare annotation was computed. [2018-12-09 19:29:21,666 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 866 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-12-09 19:29:21,666 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 866 888) no Hoare annotation was computed. [2018-12-09 19:29:21,666 INFO L444 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-12-09 19:29:21,666 INFO L444 ceAbstractionStarter]: At program point L878-1(line 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-12-09 19:29:21,666 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 866 888) no Hoare annotation was computed. [2018-12-09 19:29:21,666 INFO L448 ceAbstractionStarter]: For program point L876(lines 876 883) no Hoare annotation was computed. [2018-12-09 19:29:21,666 INFO L448 ceAbstractionStarter]: For program point L876-1(lines 876 883) no Hoare annotation was computed. [2018-12-09 19:29:21,666 INFO L448 ceAbstractionStarter]: For program point L874(line 874) no Hoare annotation was computed. [2018-12-09 19:29:21,666 INFO L444 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-12-09 19:29:21,666 INFO L444 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-12-09 19:29:21,666 INFO L444 ceAbstractionStarter]: At program point L872-1(line 872) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-12-09 19:29:21,667 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 578 592) no Hoare annotation was computed. [2018-12-09 19:29:21,667 INFO L444 ceAbstractionStarter]: At program point L584(line 584) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-09 19:29:21,667 INFO L448 ceAbstractionStarter]: For program point L582(lines 582 588) no Hoare annotation was computed. [2018-12-09 19:29:21,667 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 578 592) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-12-09 19:29:21,667 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 578 592) no Hoare annotation was computed. [2018-12-09 19:29:21,667 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 533 541) no Hoare annotation was computed. [2018-12-09 19:29:21,667 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 533 541) the Hoare annotation is: true [2018-12-09 19:29:21,667 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 533 541) no Hoare annotation was computed. [2018-12-09 19:29:21,667 INFO L444 ceAbstractionStarter]: At program point L697(line 697) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-09 19:29:21,667 INFO L448 ceAbstractionStarter]: For program point L695(lines 695 701) no Hoare annotation was computed. [2018-12-09 19:29:21,667 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 704) no Hoare annotation was computed. [2018-12-09 19:29:21,667 INFO L444 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 19:29:21,667 INFO L448 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2018-12-09 19:29:21,667 INFO L448 ceAbstractionStarter]: For program point L690(lines 690 707) no Hoare annotation was computed. [2018-12-09 19:29:21,667 INFO L448 ceAbstractionStarter]: For program point L690-1(lines 682 710) no Hoare annotation was computed. [2018-12-09 19:29:21,667 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 682 710) the Hoare annotation is: true [2018-12-09 19:29:21,667 INFO L451 ceAbstractionStarter]: At program point L688(line 688) the Hoare annotation is: true [2018-12-09 19:29:21,667 INFO L448 ceAbstractionStarter]: For program point L688-1(line 688) no Hoare annotation was computed. [2018-12-09 19:29:21,667 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 682 710) no Hoare annotation was computed. [2018-12-09 19:29:21,668 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 674 681) the Hoare annotation is: true [2018-12-09 19:29:21,668 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 674 681) no Hoare annotation was computed. [2018-12-09 19:29:21,668 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 674 681) no Hoare annotation was computed. [2018-12-09 19:29:21,668 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:29:21,668 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:29:21,668 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:29:21,668 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 739 750) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:29:21,668 INFO L448 ceAbstractionStarter]: For program point L743-1(lines 739 750) no Hoare annotation was computed. [2018-12-09 19:29:21,668 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 739 750) no Hoare annotation was computed. [2018-12-09 19:29:21,668 INFO L451 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: true [2018-12-09 19:29:21,668 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 794 823) no Hoare annotation was computed. [2018-12-09 19:29:21,668 INFO L448 ceAbstractionStarter]: For program point L800-1(line 800) no Hoare annotation was computed. [2018-12-09 19:29:21,668 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 794 823) the Hoare annotation is: true [2018-12-09 19:29:21,668 INFO L451 ceAbstractionStarter]: At program point L819(lines 794 823) the Hoare annotation is: true [2018-12-09 19:29:21,668 INFO L448 ceAbstractionStarter]: For program point L815(line 815) no Hoare annotation was computed. [2018-12-09 19:29:21,668 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 812) no Hoare annotation was computed. [2018-12-09 19:29:21,668 INFO L451 ceAbstractionStarter]: At program point L808-1(lines 808 812) the Hoare annotation is: true [2018-12-09 19:29:21,668 INFO L448 ceAbstractionStarter]: For program point L805(line 805) no Hoare annotation was computed. [2018-12-09 19:29:21,668 INFO L451 ceAbstractionStarter]: At program point L804-2(lines 804 818) the Hoare annotation is: true [2018-12-09 19:29:21,668 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 751 759) the Hoare annotation is: true [2018-12-09 19:29:21,669 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 751 759) no Hoare annotation was computed. [2018-12-09 19:29:21,669 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 751 759) no Hoare annotation was computed. [2018-12-09 19:29:21,669 INFO L444 ceAbstractionStarter]: At program point L470(line 470) the Hoare annotation is: (or (not (= ~systemActive~0 0)) (not (= 0 ~pumpRunning~0))) [2018-12-09 19:29:21,669 INFO L451 ceAbstractionStarter]: At program point L468(lines 468 474) the Hoare annotation is: true [2018-12-09 19:29:21,669 INFO L451 ceAbstractionStarter]: At program point timeShiftENTRY(lines 457 480) the Hoare annotation is: true [2018-12-09 19:29:21,669 INFO L444 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-09 19:29:21,669 INFO L448 ceAbstractionStarter]: For program point L461(lines 460 479) no Hoare annotation was computed. [2018-12-09 19:29:21,669 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 457 480) no Hoare annotation was computed. [2018-12-09 19:29:21,669 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 457 480) no Hoare annotation was computed. [2018-12-09 19:29:21,669 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 715 726) the Hoare annotation is: true [2018-12-09 19:29:21,669 INFO L448 ceAbstractionStarter]: For program point L719-1(lines 715 726) no Hoare annotation was computed. [2018-12-09 19:29:21,669 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 715 726) no Hoare annotation was computed. [2018-12-09 19:29:21,669 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-09 19:29:21,669 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-09 19:29:21,669 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 848 854) no Hoare annotation was computed. [2018-12-09 19:29:21,669 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 848 854) the Hoare annotation is: true [2018-12-09 19:29:21,669 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:29:21,669 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0))) [2018-12-09 19:29:21,669 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:29:21,670 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:29:21,670 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 727 738) no Hoare annotation was computed. [2018-12-09 19:29:21,670 INFO L448 ceAbstractionStarter]: For program point L731-1(lines 727 738) no Hoare annotation was computed. [2018-12-09 19:29:21,670 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 727 738) the Hoare annotation is: true [2018-12-09 19:29:21,670 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 664 671) no Hoare annotation was computed. [2018-12-09 19:29:21,670 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 668) no Hoare annotation was computed. [2018-12-09 19:29:21,670 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 664 671) the Hoare annotation is: true [2018-12-09 19:29:21,670 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 664 671) no Hoare annotation was computed. [2018-12-09 19:29:21,670 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 855 865) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-12-09 19:29:21,670 INFO L444 ceAbstractionStarter]: At program point L860(line 860) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-12-09 19:29:21,670 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 855 865) no Hoare annotation was computed. [2018-12-09 19:29:21,670 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 855 865) no Hoare annotation was computed. [2018-12-09 19:29:21,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:29:21 BoogieIcfgContainer [2018-12-09 19:29:21,682 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:29:21,682 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:29:21,682 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:29:21,682 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:29:21,682 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:29:20" (3/4) ... [2018-12-09 19:29:21,685 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:29:21,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 19:29:21,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 19:29:21,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 19:29:21,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 19:29:21,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 19:29:21,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:29:21,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 19:29:21,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 19:29:21,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-09 19:29:21,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-09 19:29:21,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:29:21,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 19:29:21,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 19:29:21,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 19:29:21,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 19:29:21,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 19:29:21,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 19:29:21,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 19:29:21,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 19:29:21,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 19:29:21,691 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 19:29:21,694 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-09 19:29:21,695 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 19:29:21,695 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 19:29:21,695 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 19:29:21,695 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 19:29:21,695 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 19:29:21,714 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) [2018-12-09 19:29:21,714 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) [2018-12-09 19:29:21,736 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_15a3295e-156a-4b00-9f88-980974786df1/bin-2019/utaipan/witness.graphml [2018-12-09 19:29:21,736 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:29:21,736 INFO L168 Benchmark]: Toolchain (without parser) took 1791.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -136.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:29:21,737 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:29:21,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2018-12-09 19:29:21,738 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:29:21,738 INFO L168 Benchmark]: Boogie Preprocessor took 26.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:29:21,738 INFO L168 Benchmark]: RCFGBuilder took 315.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2018-12-09 19:29:21,738 INFO L168 Benchmark]: TraceAbstraction took 1093.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -26.2 MB). Peak memory consumption was 215.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:29:21,738 INFO L168 Benchmark]: Witness Printer took 54.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-09 19:29:21,739 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 275.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 315.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1093.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -26.2 MB). Peak memory consumption was 215.7 MB. Max. memory is 11.5 GB. * Witness Printer took 54.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 668]: 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: 606]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 108 locations, 1 error locations. SAFE Result, 1.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 509 SDtfs, 183 SDslu, 688 SDs, 0 SdLazy, 109 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=213occurred 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, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 236 PreInvPairs, 265 NumberOfFragments, 398 HoareAnnotationTreeSize, 236 FomulaSimplifications, 194 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 46 FomulaSimplificationsInter, 791 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 281 NumberOfCodeBlocks, 281 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 28079 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...