./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product16_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_88b2c86e-b0d5-43e1-93d9-9806ebe33b70/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_88b2c86e-b0d5-43e1-93d9-9806ebe33b70/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_88b2c86e-b0d5-43e1-93d9-9806ebe33b70/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_88b2c86e-b0d5-43e1-93d9-9806ebe33b70/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product16_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_88b2c86e-b0d5-43e1-93d9-9806ebe33b70/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_88b2c86e-b0d5-43e1-93d9-9806ebe33b70/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 407d2ed2af07127fb49dbf31f1dfe014dd6d299c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:52:30,300 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:52:30,301 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:52:30,310 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:52:30,310 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:52:30,311 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:52:30,312 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:52:30,313 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:52:30,315 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:52:30,315 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:52:30,316 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:52:30,316 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:52:30,323 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:52:30,324 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:52:30,324 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:52:30,325 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:52:30,326 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:52:30,327 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:52:30,328 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:52:30,330 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:52:30,331 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:52:30,332 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:52:30,333 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:52:30,334 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:52:30,334 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:52:30,334 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:52:30,335 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:52:30,336 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:52:30,336 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:52:30,337 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:52:30,337 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:52:30,337 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:52:30,337 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:52:30,338 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:52:30,338 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:52:30,338 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:52:30,339 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_88b2c86e-b0d5-43e1-93d9-9806ebe33b70/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 14:52:30,349 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:52:30,350 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:52:30,350 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:52:30,350 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 14:52:30,351 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 14:52:30,351 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 14:52:30,351 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 14:52:30,351 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 14:52:30,351 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 14:52:30,351 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 14:52:30,351 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 14:52:30,352 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 14:52:30,352 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 14:52:30,352 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:52:30,352 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:52:30,352 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:52:30,353 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:52:30,353 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:52:30,353 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:52:30,353 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:52:30,353 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:52:30,353 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:52:30,354 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:52:30,354 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:52:30,354 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:52:30,354 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:52:30,354 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:52:30,354 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:52:30,354 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:52:30,355 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:52:30,355 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:52:30,355 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:52:30,355 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:52:30,355 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 14:52:30,355 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:52:30,355 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:52:30,355 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 14:52:30,356 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_88b2c86e-b0d5-43e1-93d9-9806ebe33b70/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 -> 407d2ed2af07127fb49dbf31f1dfe014dd6d299c [2018-11-18 14:52:30,382 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:52:30,392 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:52:30,395 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:52:30,396 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:52:30,397 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:52:30,397 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_88b2c86e-b0d5-43e1-93d9-9806ebe33b70/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product16_true-unreach-call_false-termination.cil.c [2018-11-18 14:52:30,446 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_88b2c86e-b0d5-43e1-93d9-9806ebe33b70/bin-2019/utaipan/data/710461d81/58770e70c8794a4b9668127051bac6d2/FLAG3d9fe621f [2018-11-18 14:52:30,876 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:52:30,877 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_88b2c86e-b0d5-43e1-93d9-9806ebe33b70/sv-benchmarks/c/product-lines/minepump_spec4_product16_true-unreach-call_false-termination.cil.c [2018-11-18 14:52:30,884 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_88b2c86e-b0d5-43e1-93d9-9806ebe33b70/bin-2019/utaipan/data/710461d81/58770e70c8794a4b9668127051bac6d2/FLAG3d9fe621f [2018-11-18 14:52:30,895 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_88b2c86e-b0d5-43e1-93d9-9806ebe33b70/bin-2019/utaipan/data/710461d81/58770e70c8794a4b9668127051bac6d2 [2018-11-18 14:52:30,896 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:52:30,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:52:30,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:52:30,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:52:30,903 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:52:30,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:52:30" (1/1) ... [2018-11-18 14:52:30,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48892538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:52:30, skipping insertion in model container [2018-11-18 14:52:30,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:52:30" (1/1) ... [2018-11-18 14:52:30,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:52:30,958 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:52:31,223 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:52:31,237 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:52:31,368 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:52:31,395 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:52:31,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:52:31 WrapperNode [2018-11-18 14:52:31,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:52:31,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:52:31,396 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:52:31,396 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:52:31,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:52:31" (1/1) ... [2018-11-18 14:52:31,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:52:31" (1/1) ... [2018-11-18 14:52:31,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:52:31,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:52:31,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:52:31,424 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:52:31,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:52:31" (1/1) ... [2018-11-18 14:52:31,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:52:31" (1/1) ... [2018-11-18 14:52:31,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:52:31" (1/1) ... [2018-11-18 14:52:31,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:52:31" (1/1) ... [2018-11-18 14:52:31,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:52:31" (1/1) ... [2018-11-18 14:52:31,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:52:31" (1/1) ... [2018-11-18 14:52:31,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:52:31" (1/1) ... [2018-11-18 14:52:31,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:52:31,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:52:31,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:52:31,455 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:52:31,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:52:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_88b2c86e-b0d5-43e1-93d9-9806ebe33b70/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:52:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 14:52:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 14:52:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-18 14:52:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-18 14:52:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:52:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:52:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 14:52:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 14:52:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:52:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 14:52:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 14:52:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 14:52:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 14:52:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 14:52:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 14:52:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 14:52:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 14:52:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 14:52:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 14:52:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 14:52:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 14:52:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 14:52:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 14:52:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 14:52:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 14:52:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 14:52:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 14:52:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 14:52:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 14:52:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 14:52:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 14:52:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 14:52:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 14:52:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 14:52:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 14:52:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 14:52:31,522 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 14:52:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 14:52:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 14:52:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 14:52:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 14:52:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 14:52:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 14:52:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:52:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:52:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 14:52:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 14:52:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 14:52:31,525 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 14:52:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:52:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:52:32,190 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:52:32,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:52:32 BoogieIcfgContainer [2018-11-18 14:52:32,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:52:32,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:52:32,192 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:52:32,194 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:52:32,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:52:30" (1/3) ... [2018-11-18 14:52:32,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46488ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:52:32, skipping insertion in model container [2018-11-18 14:52:32,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:52:31" (2/3) ... [2018-11-18 14:52:32,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46488ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:52:32, skipping insertion in model container [2018-11-18 14:52:32,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:52:32" (3/3) ... [2018-11-18 14:52:32,197 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product16_true-unreach-call_false-termination.cil.c [2018-11-18 14:52:32,206 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:52:32,212 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:52:32,227 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:52:32,251 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:52:32,252 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:52:32,252 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:52:32,252 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:52:32,252 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:52:32,252 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:52:32,253 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:52:32,253 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:52:32,270 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2018-11-18 14:52:32,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 14:52:32,277 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:52:32,278 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:52:32,279 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:52:32,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:52:32,284 INFO L82 PathProgramCache]: Analyzing trace with hash 182608475, now seen corresponding path program 1 times [2018-11-18 14:52:32,286 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:52:32,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:52:32,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:52:32,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:52:32,323 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:52:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:52:32,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:52:32,537 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:52:32,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 14:52:32,537 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:52:32,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 14:52:32,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 14:52:32,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 14:52:32,554 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 2 states. [2018-11-18 14:52:32,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:52:32,584 INFO L93 Difference]: Finished difference Result 228 states and 281 transitions. [2018-11-18 14:52:32,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 14:52:32,586 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 14:52:32,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:52:32,595 INFO L225 Difference]: With dead ends: 228 [2018-11-18 14:52:32,595 INFO L226 Difference]: Without dead ends: 114 [2018-11-18 14:52:32,598 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 14:52:32,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-11-18 14:52:32,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-11-18 14:52:32,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-18 14:52:32,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2018-11-18 14:52:32,634 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 46 [2018-11-18 14:52:32,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:52:32,635 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2018-11-18 14:52:32,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 14:52:32,635 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2018-11-18 14:52:32,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 14:52:32,637 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:52:32,637 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:52:32,638 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:52:32,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:52:32,638 INFO L82 PathProgramCache]: Analyzing trace with hash -743351773, now seen corresponding path program 1 times [2018-11-18 14:52:32,638 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:52:32,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:52:32,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:52:32,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:52:32,639 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:52:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:52:32,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:52:32,780 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:52:32,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:52:32,780 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:52:32,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:52:32,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:52:32,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:52:32,782 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 3 states. [2018-11-18 14:52:32,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:52:32,800 INFO L93 Difference]: Finished difference Result 165 states and 189 transitions. [2018-11-18 14:52:32,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:52:32,801 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 14:52:32,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:52:32,802 INFO L225 Difference]: With dead ends: 165 [2018-11-18 14:52:32,802 INFO L226 Difference]: Without dead ends: 104 [2018-11-18 14:52:32,803 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:52:32,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-11-18 14:52:32,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-11-18 14:52:32,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-11-18 14:52:32,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 119 transitions. [2018-11-18 14:52:32,812 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 119 transitions. Word has length 48 [2018-11-18 14:52:32,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:52:32,812 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 119 transitions. [2018-11-18 14:52:32,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:52:32,812 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2018-11-18 14:52:32,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 14:52:32,813 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:52:32,813 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:52:32,813 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:52:32,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:52:32,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1442400986, now seen corresponding path program 1 times [2018-11-18 14:52:32,814 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:52:32,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:52:32,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:52:32,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:52:32,815 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:52:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:52:33,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:52:33,019 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:52:33,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 14:52:33,019 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:52:33,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:52:33,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:52:33,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:52:33,020 INFO L87 Difference]: Start difference. First operand 104 states and 119 transitions. Second operand 7 states. [2018-11-18 14:52:33,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:52:33,844 INFO L93 Difference]: Finished difference Result 315 states and 378 transitions. [2018-11-18 14:52:33,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 14:52:33,845 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-18 14:52:33,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:52:33,847 INFO L225 Difference]: With dead ends: 315 [2018-11-18 14:52:33,847 INFO L226 Difference]: Without dead ends: 235 [2018-11-18 14:52:33,848 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:52:33,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-11-18 14:52:33,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 223. [2018-11-18 14:52:33,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-11-18 14:52:33,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 267 transitions. [2018-11-18 14:52:33,875 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 267 transitions. Word has length 53 [2018-11-18 14:52:33,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:52:33,876 INFO L480 AbstractCegarLoop]: Abstraction has 223 states and 267 transitions. [2018-11-18 14:52:33,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:52:33,876 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 267 transitions. [2018-11-18 14:52:33,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 14:52:33,878 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:52:33,878 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:52:33,878 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:52:33,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:52:33,879 INFO L82 PathProgramCache]: Analyzing trace with hash -528979260, now seen corresponding path program 1 times [2018-11-18 14:52:33,879 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:52:33,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:52:33,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:52:33,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:52:33,880 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:52:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:52:34,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:52:34,311 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:52:34,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 14:52:34,311 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:52:34,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 14:52:34,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 14:52:34,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:52:34,312 INFO L87 Difference]: Start difference. First operand 223 states and 267 transitions. Second operand 10 states. [2018-11-18 14:52:35,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:52:35,188 INFO L93 Difference]: Finished difference Result 772 states and 987 transitions. [2018-11-18 14:52:35,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 14:52:35,189 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2018-11-18 14:52:35,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:52:35,193 INFO L225 Difference]: With dead ends: 772 [2018-11-18 14:52:35,193 INFO L226 Difference]: Without dead ends: 573 [2018-11-18 14:52:35,195 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-18 14:52:35,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2018-11-18 14:52:35,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 561. [2018-11-18 14:52:35,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2018-11-18 14:52:35,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 691 transitions. [2018-11-18 14:52:35,240 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 691 transitions. Word has length 58 [2018-11-18 14:52:35,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:52:35,240 INFO L480 AbstractCegarLoop]: Abstraction has 561 states and 691 transitions. [2018-11-18 14:52:35,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 14:52:35,240 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 691 transitions. [2018-11-18 14:52:35,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 14:52:35,243 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:52:35,243 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:52:35,244 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:52:35,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:52:35,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1477750486, now seen corresponding path program 1 times [2018-11-18 14:52:35,244 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:52:35,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:52:35,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:52:35,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:52:35,252 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:52:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:52:35,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:52:35,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:52:35,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 14:52:35,374 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:52:35,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 14:52:35,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 14:52:35,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:52:35,375 INFO L87 Difference]: Start difference. First operand 561 states and 691 transitions. Second operand 4 states. [2018-11-18 14:52:35,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:52:35,585 INFO L93 Difference]: Finished difference Result 954 states and 1210 transitions. [2018-11-18 14:52:35,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 14:52:35,587 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2018-11-18 14:52:35,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:52:35,589 INFO L225 Difference]: With dead ends: 954 [2018-11-18 14:52:35,589 INFO L226 Difference]: Without dead ends: 417 [2018-11-18 14:52:35,595 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 14:52:35,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2018-11-18 14:52:35,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 405. [2018-11-18 14:52:35,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2018-11-18 14:52:35,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 467 transitions. [2018-11-18 14:52:35,631 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 467 transitions. Word has length 62 [2018-11-18 14:52:35,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:52:35,631 INFO L480 AbstractCegarLoop]: Abstraction has 405 states and 467 transitions. [2018-11-18 14:52:35,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 14:52:35,631 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 467 transitions. [2018-11-18 14:52:35,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 14:52:35,635 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:52:35,636 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:52:35,636 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:52:35,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:52:35,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1699434886, now seen corresponding path program 1 times [2018-11-18 14:52:35,636 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:52:35,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:52:35,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:52:35,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:52:35,637 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:52:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:52:35,776 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 14:52:35,777 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:52:35,777 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:52:35,777 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 92 with the following transitions: [2018-11-18 14:52:35,779 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [43], [45], [46], [47], [48], [49], [77], [81], [87], [91], [95], [98], [103], [109], [111], [117], [120], [123], [131], [132], [133], [134], [147], [154], [157], [194], [202], [206], [207], [210], [211], [212], [213], [214], [216], [217], [218], [219], [220], [221], [222], [223], [224], [228], [240], [241], [246], [247], [248], [249], [256], [257], [262], [263], [264] [2018-11-18 14:52:35,820 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:52:35,820 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:52:36,342 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:52:36,344 INFO L272 AbstractInterpreter]: Visited 66 different actions 78 times. Merged at 7 different actions 7 times. Never widened. Performed 3020 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3020 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 133 variables. [2018-11-18 14:52:36,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:52:36,412 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:52:36,811 INFO L227 lantSequenceWeakener]: Weakened 87 states. On average, predicates are now at 97.88% of their original sizes. [2018-11-18 14:52:36,811 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:52:37,583 INFO L415 sIntCurrentIteration]: We unified 90 AI predicates to 90 [2018-11-18 14:52:37,583 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:52:37,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:52:37,584 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [7] total 22 [2018-11-18 14:52:37,584 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:52:37,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-18 14:52:37,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-18 14:52:37,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-11-18 14:52:37,585 INFO L87 Difference]: Start difference. First operand 405 states and 467 transitions. Second operand 17 states. [2018-11-18 14:52:44,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:52:44,517 INFO L93 Difference]: Finished difference Result 558 states and 655 transitions. [2018-11-18 14:52:44,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 14:52:44,517 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 91 [2018-11-18 14:52:44,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:52:44,517 INFO L225 Difference]: With dead ends: 558 [2018-11-18 14:52:44,517 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 14:52:44,518 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 95 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2018-11-18 14:52:44,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 14:52:44,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 14:52:44,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 14:52:44,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:52:44,519 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2018-11-18 14:52:44,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:52:44,519 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:52:44,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-18 14:52:44,519 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:52:44,520 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:52:44,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 14:52:44,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:52:44,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:52:44,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:52:45,156 WARN L180 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 14 [2018-11-18 14:52:45,314 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 18 [2018-11-18 14:52:46,464 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 28 [2018-11-18 14:52:46,465 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-18 14:52:46,466 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-18 14:52:46,466 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-18 14:52:46,466 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-18 14:52:46,466 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-18 14:52:46,466 INFO L421 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 14:52:46,466 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 817 841) the Hoare annotation is: true [2018-11-18 14:52:46,466 INFO L425 ceAbstractionStarter]: For program point L829(lines 829 835) no Hoare annotation was computed. [2018-11-18 14:52:46,466 INFO L421 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 14:52:46,466 INFO L425 ceAbstractionStarter]: For program point L827-1(line 827) no Hoare annotation was computed. [2018-11-18 14:52:46,466 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 838) no Hoare annotation was computed. [2018-11-18 14:52:46,466 INFO L425 ceAbstractionStarter]: For program point L825-1(lines 817 841) no Hoare annotation was computed. [2018-11-18 14:52:46,466 INFO L428 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2018-11-18 14:52:46,467 INFO L425 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2018-11-18 14:52:46,467 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 817 841) no Hoare annotation was computed. [2018-11-18 14:52:46,467 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 605 627) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 14:52:46,467 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 605 627) no Hoare annotation was computed. [2018-11-18 14:52:46,467 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 605 627) no Hoare annotation was computed. [2018-11-18 14:52:46,467 INFO L421 ceAbstractionStarter]: At program point L617(line 617) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 14:52:46,467 INFO L421 ceAbstractionStarter]: At program point L617-1(line 617) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 14:52:46,467 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 622) no Hoare annotation was computed. [2018-11-18 14:52:46,467 INFO L425 ceAbstractionStarter]: For program point L615-1(lines 615 622) no Hoare annotation was computed. [2018-11-18 14:52:46,467 INFO L425 ceAbstractionStarter]: For program point L613(line 613) no Hoare annotation was computed. [2018-11-18 14:52:46,467 INFO L421 ceAbstractionStarter]: At program point L612(line 612) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 14:52:46,468 INFO L421 ceAbstractionStarter]: At program point L611(line 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 14:52:46,468 INFO L421 ceAbstractionStarter]: At program point L611-1(line 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 14:52:46,468 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 671 677) no Hoare annotation was computed. [2018-11-18 14:52:46,468 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 671 677) the Hoare annotation is: true [2018-11-18 14:52:46,468 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 793 807) no Hoare annotation was computed. [2018-11-18 14:52:46,468 INFO L421 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~waterLevel~0 2))) (or .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 14:52:46,468 INFO L425 ceAbstractionStarter]: For program point L797(lines 797 803) no Hoare annotation was computed. [2018-11-18 14:52:46,468 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 793 807) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (= ~systemActive~0 1)) (.cse4 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5) (or (not (= |old(~systemActive~0)| 0)) .cse1 (= ~systemActive~0 0) .cse3) (or .cse1 .cse5 .cse3) (or (or .cse1 .cse2) .cse0 .cse4))) [2018-11-18 14:52:46,468 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 793 807) no Hoare annotation was computed. [2018-11-18 14:52:46,468 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 748 756) no Hoare annotation was computed. [2018-11-18 14:52:46,469 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 748 756) the Hoare annotation is: true [2018-11-18 14:52:46,470 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 748 756) no Hoare annotation was computed. [2018-11-18 14:52:46,470 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-18 14:52:46,470 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-18 14:52:46,470 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 595 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 14:52:46,470 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 595 604) no Hoare annotation was computed. [2018-11-18 14:52:46,470 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 595 604) no Hoare annotation was computed. [2018-11-18 14:52:46,470 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 737 747) the Hoare annotation is: true [2018-11-18 14:52:46,470 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 737 747) no Hoare annotation was computed. [2018-11-18 14:52:46,470 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 737 747) no Hoare annotation was computed. [2018-11-18 14:52:46,471 INFO L428 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-11-18 14:52:46,471 INFO L425 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2018-11-18 14:52:46,471 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 729 736) the Hoare annotation is: true [2018-11-18 14:52:46,471 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 729 736) no Hoare annotation was computed. [2018-11-18 14:52:46,471 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 729 736) no Hoare annotation was computed. [2018-11-18 14:52:46,471 INFO L421 ceAbstractionStarter]: At program point L698(line 698) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 14:52:46,471 INFO L425 ceAbstractionStarter]: For program point L698-1(lines 679 703) no Hoare annotation was computed. [2018-11-18 14:52:46,471 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 679 703) no Hoare annotation was computed. [2018-11-18 14:52:46,471 INFO L421 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 14:52:46,471 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 679 703) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 14:52:46,471 INFO L421 ceAbstractionStarter]: At program point L689(line 689) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 14:52:46,471 INFO L425 ceAbstractionStarter]: For program point L687(lines 687 695) no Hoare annotation was computed. [2018-11-18 14:52:46,472 INFO L421 ceAbstractionStarter]: At program point L685(line 685) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 14:52:46,472 INFO L425 ceAbstractionStarter]: For program point L685-1(line 685) no Hoare annotation was computed. [2018-11-18 14:52:46,472 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 700) no Hoare annotation was computed. [2018-11-18 14:52:46,472 INFO L421 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (or (= ~waterLevel~0 1) (= ~waterLevel~0 2)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 14:52:46,472 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 843 910) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 14:52:46,472 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 869) no Hoare annotation was computed. [2018-11-18 14:52:46,472 INFO L425 ceAbstractionStarter]: For program point L863-1(lines 863 869) no Hoare annotation was computed. [2018-11-18 14:52:46,472 INFO L425 ceAbstractionStarter]: For program point L855(lines 855 859) no Hoare annotation was computed. [2018-11-18 14:52:46,472 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 843 910) no Hoare annotation was computed. [2018-11-18 14:52:46,472 INFO L425 ceAbstractionStarter]: For program point L853-1(lines 853 902) no Hoare annotation was computed. [2018-11-18 14:52:46,472 INFO L421 ceAbstractionStarter]: At program point L903(lines 852 904) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 14:52:46,473 INFO L421 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 14:52:46,473 INFO L425 ceAbstractionStarter]: For program point L891(lines 891 897) no Hoare annotation was computed. [2018-11-18 14:52:46,473 INFO L421 ceAbstractionStarter]: At program point L891-1(lines 883 898) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 14:52:46,473 INFO L425 ceAbstractionStarter]: For program point L854(lines 853 902) no Hoare annotation was computed. [2018-11-18 14:52:46,473 INFO L421 ceAbstractionStarter]: At program point L885(line 885) the Hoare annotation is: (let ((.cse1 (= test_~splverifierCounter~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 2) .cse0 .cse1) (and (= ~waterLevel~0 1) .cse1 .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 14:52:46,473 INFO L425 ceAbstractionStarter]: For program point L883(lines 883 898) no Hoare annotation was computed. [2018-11-18 14:52:46,473 INFO L421 ceAbstractionStarter]: At program point L875(line 875) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 14:52:46,473 INFO L425 ceAbstractionStarter]: For program point L873(lines 873 879) no Hoare annotation was computed. [2018-11-18 14:52:46,474 INFO L425 ceAbstractionStarter]: For program point L873-1(lines 873 879) no Hoare annotation was computed. [2018-11-18 14:52:46,474 INFO L421 ceAbstractionStarter]: At program point L900(lines 853 902) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 14:52:46,474 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 843 910) no Hoare annotation was computed. [2018-11-18 14:52:46,474 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:52:46,474 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 14:52:46,474 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:52:46,474 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 520 528) the Hoare annotation is: true [2018-11-18 14:52:46,474 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 520 528) no Hoare annotation was computed. [2018-11-18 14:52:46,474 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 520 528) no Hoare annotation was computed. [2018-11-18 14:52:46,474 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 476 487) no Hoare annotation was computed. [2018-11-18 14:52:46,474 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 476 487) the Hoare annotation is: true [2018-11-18 14:52:46,475 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 476 487) no Hoare annotation was computed. [2018-11-18 14:52:46,475 INFO L421 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and (= ~waterLevel~0 1) .cse0 .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse2 (and .cse0 (= ~waterLevel~0 2) .cse1) (not (= |old(~waterLevel~0)| 2))))) [2018-11-18 14:52:46,475 INFO L421 ceAbstractionStarter]: At program point L658(lines 658 664) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse1)) (or .cse0 (not (= |old(~waterLevel~0)| 2)) (and (= ~waterLevel~0 2) .cse1)))) [2018-11-18 14:52:46,475 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 647 670) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse1)) (or .cse0 (not (= |old(~waterLevel~0)| 2)) (and (= ~waterLevel~0 2) .cse1)))) [2018-11-18 14:52:46,475 INFO L421 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= |old(~waterLevel~0)| 2))))) [2018-11-18 14:52:46,475 INFO L425 ceAbstractionStarter]: For program point L651(lines 650 669) no Hoare annotation was computed. [2018-11-18 14:52:46,475 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 647 670) no Hoare annotation was computed. [2018-11-18 14:52:46,475 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 647 670) no Hoare annotation was computed. [2018-11-18 14:52:46,475 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 532 561) no Hoare annotation was computed. [2018-11-18 14:52:46,476 INFO L425 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2018-11-18 14:52:46,476 INFO L425 ceAbstractionStarter]: For program point L546(lines 546 550) no Hoare annotation was computed. [2018-11-18 14:52:46,476 INFO L428 ceAbstractionStarter]: At program point L546-1(lines 546 550) the Hoare annotation is: true [2018-11-18 14:52:46,476 INFO L425 ceAbstractionStarter]: For program point L542-1(lines 542 556) no Hoare annotation was computed. [2018-11-18 14:52:46,476 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 532 561) the Hoare annotation is: true [2018-11-18 14:52:46,476 INFO L428 ceAbstractionStarter]: At program point L542-3(lines 542 556) the Hoare annotation is: true [2018-11-18 14:52:46,476 INFO L428 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: true [2018-11-18 14:52:46,476 INFO L425 ceAbstractionStarter]: For program point L538-1(line 538) no Hoare annotation was computed. [2018-11-18 14:52:46,477 INFO L428 ceAbstractionStarter]: At program point L557(lines 532 561) the Hoare annotation is: true [2018-11-18 14:52:46,477 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 14:52:46,477 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 488 496) the Hoare annotation is: true [2018-11-18 14:52:46,477 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 488 496) no Hoare annotation was computed. [2018-11-18 14:52:46,477 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 488 496) no Hoare annotation was computed. [2018-11-18 14:52:46,477 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 452 463) the Hoare annotation is: true [2018-11-18 14:52:46,477 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 452 463) no Hoare annotation was computed. [2018-11-18 14:52:46,478 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2018-11-18 14:52:46,478 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 587 593) no Hoare annotation was computed. [2018-11-18 14:52:46,478 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 587 593) the Hoare annotation is: true [2018-11-18 14:52:46,478 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:52:46,478 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 14:52:46,478 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:52:46,478 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:52:46,479 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 808 815) no Hoare annotation was computed. [2018-11-18 14:52:46,479 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 808 815) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~systemActive~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse3 (not (= ~waterLevel~0 2)))) (and (or (or .cse0 .cse1) .cse2 (not (= ~waterLevel~0 1))) (or .cse0 (not (= |old(~systemActive~0)| 0)) (= ~systemActive~0 0) .cse3) (or .cse0 .cse2 .cse1 .cse3))) [2018-11-18 14:52:46,479 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 808 815) no Hoare annotation was computed. [2018-11-18 14:52:46,479 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 464 475) no Hoare annotation was computed. [2018-11-18 14:52:46,480 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 464 475) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= ~waterLevel~0 2) (not (= |old(~waterLevel~0)| 2))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2018-11-18 14:52:46,480 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 464 475) no Hoare annotation was computed. [2018-11-18 14:52:46,480 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 629 636) no Hoare annotation was computed. [2018-11-18 14:52:46,480 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 629 636) the Hoare annotation is: true [2018-11-18 14:52:46,480 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 629 636) no Hoare annotation was computed. [2018-11-18 14:52:46,481 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 633) no Hoare annotation was computed. [2018-11-18 14:52:46,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:52:46 BoogieIcfgContainer [2018-11-18 14:52:46,491 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:52:46,491 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:52:46,492 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:52:46,492 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:52:46,492 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:52:32" (3/4) ... [2018-11-18 14:52:46,495 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:52:46,500 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 14:52:46,500 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 14:52:46,500 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-18 14:52:46,500 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 14:52:46,500 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 14:52:46,500 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 14:52:46,500 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 14:52:46,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 14:52:46,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 14:52:46,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 14:52:46,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 14:52:46,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 14:52:46,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 14:52:46,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 14:52:46,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 14:52:46,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 14:52:46,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 14:52:46,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 14:52:46,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 14:52:46,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 14:52:46,502 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 14:52:46,502 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 14:52:46,502 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 14:52:46,502 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 14:52:46,512 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-11-18 14:52:46,512 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 14:52:46,512 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 14:52:46,535 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((waterLevel == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || ((waterLevel == 2 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) [2018-11-18 14:52:46,535 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 14:52:46,569 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_88b2c86e-b0d5-43e1-93d9-9806ebe33b70/bin-2019/utaipan/witness.graphml [2018-11-18 14:52:46,569 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:52:46,570 INFO L168 Benchmark]: Toolchain (without parser) took 15672.92 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 293.6 MB). Free memory was 955.5 MB in the beginning and 964.2 MB in the end (delta: -8.7 MB). Peak memory consumption was 284.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:52:46,570 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:52:46,570 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -167.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2018-11-18 14:52:46,571 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.33 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:52:46,571 INFO L168 Benchmark]: Boogie Preprocessor took 31.20 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-11-18 14:52:46,571 INFO L168 Benchmark]: RCFGBuilder took 736.17 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: 48.5 MB). Peak memory consumption was 48.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:52:46,571 INFO L168 Benchmark]: TraceAbstraction took 14299.67 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 159.9 MB). Free memory was 1.1 GB in the beginning and 973.9 MB in the end (delta: 89.0 MB). Peak memory consumption was 465.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:52:46,571 INFO L168 Benchmark]: Witness Printer took 77.68 ms. Allocated memory is still 1.3 GB. Free memory was 973.9 MB in the beginning and 964.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:52:46,576 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 497.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -167.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.33 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.20 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 736.17 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: 48.5 MB). Peak memory consumption was 48.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14299.67 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 159.9 MB). Free memory was 1.1 GB in the beginning and 973.9 MB in the end (delta: 89.0 MB). Peak memory consumption was 465.6 MB. Max. memory is 11.5 GB. * Witness Printer took 77.68 ms. Allocated memory is still 1.3 GB. Free memory was 973.9 MB in the beginning and 964.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 633]: 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: 853]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((waterLevel == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || ((waterLevel == 2 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 127 locations, 1 error locations. SAFE Result, 14.2s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 8.9s AutomataDifference, 0.0s DeadEndRemovalTime, 1.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 800 SDtfs, 960 SDslu, 2382 SDs, 0 SdLazy, 912 SolverSat, 343 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 147 GetRequests, 97 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=561occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.6s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9966343337170351 AbsIntWeakeningRatio, 1.0555555555555556 AbsIntAvgWeakeningVarsNumRemoved, 84.77777777777777 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 609 PreInvPairs, 661 NumberOfFragments, 899 HoareAnnotationTreeSize, 609 FomulaSimplifications, 2349 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 54 FomulaSimplificationsInter, 4050 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 358 NumberOfCodeBlocks, 358 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 352 ConstructedInterpolants, 0 QuantifiedInterpolants, 45781 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 22/25 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...