./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product05_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7455679e-4368-40cd-a7e6-4d54c93aaae9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7455679e-4368-40cd-a7e6-4d54c93aaae9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7455679e-4368-40cd-a7e6-4d54c93aaae9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7455679e-4368-40cd-a7e6-4d54c93aaae9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product05_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7455679e-4368-40cd-a7e6-4d54c93aaae9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7455679e-4368-40cd-a7e6-4d54c93aaae9/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 94f4a1e9ea07f337cfe109f71c75c9357897e0ec .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 11:59:41,430 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 11:59:41,431 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 11:59:41,436 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 11:59:41,437 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 11:59:41,437 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 11:59:41,438 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 11:59:41,438 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 11:59:41,439 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 11:59:41,440 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 11:59:41,440 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 11:59:41,440 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 11:59:41,440 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 11:59:41,441 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 11:59:41,441 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 11:59:41,442 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 11:59:41,442 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 11:59:41,443 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 11:59:41,444 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 11:59:41,444 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 11:59:41,445 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 11:59:41,445 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 11:59:41,446 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 11:59:41,447 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 11:59:41,447 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 11:59:41,447 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 11:59:41,447 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 11:59:41,448 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 11:59:41,448 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 11:59:41,449 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 11:59:41,449 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 11:59:41,449 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 11:59:41,449 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 11:59:41,449 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 11:59:41,450 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 11:59:41,450 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 11:59:41,450 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7455679e-4368-40cd-a7e6-4d54c93aaae9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 11:59:41,457 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 11:59:41,457 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 11:59:41,458 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 11:59:41,458 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 11:59:41,458 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 11:59:41,458 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 11:59:41,458 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 11:59:41,458 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 11:59:41,458 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 11:59:41,458 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 11:59:41,458 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 11:59:41,458 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 11:59:41,458 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 11:59:41,459 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 11:59:41,459 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 11:59:41,459 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 11:59:41,459 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 11:59:41,459 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 11:59:41,459 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 11:59:41,459 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 11:59:41,459 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 11:59:41,459 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 11:59:41,459 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 11:59:41,460 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 11:59:41,460 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 11:59:41,460 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 11:59:41,460 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 11:59:41,460 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 11:59:41,460 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 11:59:41,460 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 11:59:41,460 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 11:59:41,460 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 11:59:41,460 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 11:59:41,460 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 11:59:41,460 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 11:59:41,461 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 11:59:41,461 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_7455679e-4368-40cd-a7e6-4d54c93aaae9/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 -> 94f4a1e9ea07f337cfe109f71c75c9357897e0ec [2018-12-02 11:59:41,477 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 11:59:41,483 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 11:59:41,485 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 11:59:41,486 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 11:59:41,486 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 11:59:41,487 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7455679e-4368-40cd-a7e6-4d54c93aaae9/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product05_true-unreach-call_false-termination.cil.c [2018-12-02 11:59:41,520 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7455679e-4368-40cd-a7e6-4d54c93aaae9/bin-2019/utaipan/data/31c4269a7/568ab1eb375d4aca99be14b96911c8be/FLAG59564ca90 [2018-12-02 11:59:41,869 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 11:59:41,869 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7455679e-4368-40cd-a7e6-4d54c93aaae9/sv-benchmarks/c/product-lines/minepump_spec1_product05_true-unreach-call_false-termination.cil.c [2018-12-02 11:59:41,875 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7455679e-4368-40cd-a7e6-4d54c93aaae9/bin-2019/utaipan/data/31c4269a7/568ab1eb375d4aca99be14b96911c8be/FLAG59564ca90 [2018-12-02 11:59:42,251 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7455679e-4368-40cd-a7e6-4d54c93aaae9/bin-2019/utaipan/data/31c4269a7/568ab1eb375d4aca99be14b96911c8be [2018-12-02 11:59:42,254 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 11:59:42,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 11:59:42,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 11:59:42,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 11:59:42,260 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 11:59:42,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:59:42" (1/1) ... [2018-12-02 11:59:42,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca78765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:42, skipping insertion in model container [2018-12-02 11:59:42,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:59:42" (1/1) ... [2018-12-02 11:59:42,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 11:59:42,293 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 11:59:42,462 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 11:59:42,473 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 11:59:42,557 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 11:59:42,572 INFO L195 MainTranslator]: Completed translation [2018-12-02 11:59:42,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:42 WrapperNode [2018-12-02 11:59:42,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 11:59:42,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 11:59:42,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 11:59:42,573 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 11:59:42,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:42" (1/1) ... [2018-12-02 11:59:42,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:42" (1/1) ... [2018-12-02 11:59:42,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 11:59:42,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 11:59:42,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 11:59:42,593 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 11:59:42,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:42" (1/1) ... [2018-12-02 11:59:42,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:42" (1/1) ... [2018-12-02 11:59:42,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:42" (1/1) ... [2018-12-02 11:59:42,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:42" (1/1) ... [2018-12-02 11:59:42,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:42" (1/1) ... [2018-12-02 11:59:42,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:42" (1/1) ... [2018-12-02 11:59:42,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:42" (1/1) ... [2018-12-02 11:59:42,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 11:59:42,618 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 11:59:42,618 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 11:59:42,618 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 11:59:42,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7455679e-4368-40cd-a7e6-4d54c93aaae9/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 11:59:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 11:59:42,654 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 11:59:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 11:59:42,654 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 11:59:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 11:59:42,654 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 11:59:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 11:59:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 11:59:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 11:59:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 11:59:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 11:59:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 11:59:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 11:59:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 11:59:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 11:59:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 11:59:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 11:59:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 11:59:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 11:59:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 11:59:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 11:59:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 11:59:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 11:59:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 11:59:42,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 11:59:42,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 11:59:42,657 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 11:59:42,657 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 11:59:42,657 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 11:59:42,657 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 11:59:42,657 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 11:59:42,657 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 11:59:42,658 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 11:59:42,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 11:59:42,658 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 11:59:42,658 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 11:59:42,658 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 11:59:42,658 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 11:59:42,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 11:59:42,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 11:59:42,658 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 11:59:42,659 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 11:59:42,659 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 11:59:42,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 11:59:42,659 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-02 11:59:42,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-02 11:59:42,925 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 11:59:42,926 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 11:59:42,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:59:42 BoogieIcfgContainer [2018-12-02 11:59:42,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 11:59:42,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 11:59:42,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 11:59:42,928 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 11:59:42,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:59:42" (1/3) ... [2018-12-02 11:59:42,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c4f78f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:59:42, skipping insertion in model container [2018-12-02 11:59:42,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:42" (2/3) ... [2018-12-02 11:59:42,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c4f78f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:59:42, skipping insertion in model container [2018-12-02 11:59:42,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:59:42" (3/3) ... [2018-12-02 11:59:42,931 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product05_true-unreach-call_false-termination.cil.c [2018-12-02 11:59:42,936 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 11:59:42,941 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 11:59:42,950 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 11:59:42,968 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 11:59:42,968 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 11:59:42,968 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 11:59:42,968 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 11:59:42,968 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 11:59:42,968 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 11:59:42,968 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 11:59:42,968 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 11:59:42,979 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2018-12-02 11:59:42,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 11:59:42,983 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 11:59:42,984 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 11:59:42,985 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 11:59:42,988 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 11:59:42,988 INFO L82 PathProgramCache]: Analyzing trace with hash 701767563, now seen corresponding path program 1 times [2018-12-02 11:59:42,990 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 11:59:43,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 11:59:43,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 11:59:43,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 11:59:43,018 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 11:59:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:59:43,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 11:59:43,122 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 11:59:43,123 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 11:59:43,123 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 11:59:43,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 11:59:43,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 11:59:43,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 11:59:43,135 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2018-12-02 11:59:43,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 11:59:43,154 INFO L93 Difference]: Finished difference Result 198 states and 249 transitions. [2018-12-02 11:59:43,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 11:59:43,155 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-02 11:59:43,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 11:59:43,161 INFO L225 Difference]: With dead ends: 198 [2018-12-02 11:59:43,161 INFO L226 Difference]: Without dead ends: 99 [2018-12-02 11:59:43,164 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 11:59:43,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-12-02 11:59:43,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-12-02 11:59:43,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-12-02 11:59:43,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 116 transitions. [2018-12-02 11:59:43,192 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 116 transitions. Word has length 46 [2018-12-02 11:59:43,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 11:59:43,192 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 116 transitions. [2018-12-02 11:59:43,192 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 11:59:43,192 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 116 transitions. [2018-12-02 11:59:43,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 11:59:43,194 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 11:59:43,194 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 11:59:43,194 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 11:59:43,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 11:59:43,194 INFO L82 PathProgramCache]: Analyzing trace with hash 244068811, now seen corresponding path program 1 times [2018-12-02 11:59:43,194 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 11:59:43,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 11:59:43,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 11:59:43,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 11:59:43,195 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 11:59:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:59:43,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 11:59:43,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 11:59:43,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 11:59:43,251 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 11:59:43,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 11:59:43,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 11:59:43,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 11:59:43,252 INFO L87 Difference]: Start difference. First operand 99 states and 116 transitions. Second operand 3 states. [2018-12-02 11:59:43,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 11:59:43,262 INFO L93 Difference]: Finished difference Result 147 states and 171 transitions. [2018-12-02 11:59:43,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 11:59:43,262 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-02 11:59:43,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 11:59:43,263 INFO L225 Difference]: With dead ends: 147 [2018-12-02 11:59:43,263 INFO L226 Difference]: Without dead ends: 90 [2018-12-02 11:59:43,264 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 11:59:43,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-12-02 11:59:43,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-12-02 11:59:43,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-12-02 11:59:43,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2018-12-02 11:59:43,270 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 47 [2018-12-02 11:59:43,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 11:59:43,270 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2018-12-02 11:59:43,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 11:59:43,271 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2018-12-02 11:59:43,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 11:59:43,271 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 11:59:43,271 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 11:59:43,272 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 11:59:43,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 11:59:43,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1469354151, now seen corresponding path program 1 times [2018-12-02 11:59:43,272 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 11:59:43,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 11:59:43,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 11:59:43,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 11:59:43,273 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 11:59:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:59:43,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 11:59:43,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 11:59:43,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 11:59:43,357 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 11:59:43,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 11:59:43,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 11:59:43,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 11:59:43,358 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 7 states. [2018-12-02 11:59:43,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 11:59:43,505 INFO L93 Difference]: Finished difference Result 156 states and 185 transitions. [2018-12-02 11:59:43,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 11:59:43,506 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-02 11:59:43,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 11:59:43,507 INFO L225 Difference]: With dead ends: 156 [2018-12-02 11:59:43,507 INFO L226 Difference]: Without dead ends: 90 [2018-12-02 11:59:43,507 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 11:59:43,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-12-02 11:59:43,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-12-02 11:59:43,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-12-02 11:59:43,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2018-12-02 11:59:43,514 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 51 [2018-12-02 11:59:43,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 11:59:43,514 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2018-12-02 11:59:43,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 11:59:43,514 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2018-12-02 11:59:43,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-02 11:59:43,515 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 11:59:43,515 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 11:59:43,516 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 11:59:43,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 11:59:43,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1842247739, now seen corresponding path program 1 times [2018-12-02 11:59:43,516 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 11:59:43,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 11:59:43,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 11:59:43,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 11:59:43,517 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 11:59:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:59:43,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 11:59:43,574 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 11:59:43,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 11:59:43,575 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 11:59:43,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 11:59:43,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 11:59:43,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 11:59:43,576 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand 6 states. [2018-12-02 11:59:43,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 11:59:43,682 INFO L93 Difference]: Finished difference Result 215 states and 258 transitions. [2018-12-02 11:59:43,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 11:59:43,682 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2018-12-02 11:59:43,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 11:59:43,684 INFO L225 Difference]: With dead ends: 215 [2018-12-02 11:59:43,685 INFO L226 Difference]: Without dead ends: 149 [2018-12-02 11:59:43,685 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 11:59:43,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-12-02 11:59:43,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 147. [2018-12-02 11:59:43,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-12-02 11:59:43,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 172 transitions. [2018-12-02 11:59:43,701 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 172 transitions. Word has length 59 [2018-12-02 11:59:43,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 11:59:43,702 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 172 transitions. [2018-12-02 11:59:43,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 11:59:43,702 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 172 transitions. [2018-12-02 11:59:43,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-02 11:59:43,704 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 11:59:43,704 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 11:59:43,704 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 11:59:43,704 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 11:59:43,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1245075135, now seen corresponding path program 1 times [2018-12-02 11:59:43,704 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 11:59:43,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 11:59:43,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 11:59:43,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 11:59:43,706 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 11:59:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:59:43,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 11:59:43,764 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 11:59:43,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 11:59:43,764 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 11:59:43,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 11:59:43,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 11:59:43,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 11:59:43,765 INFO L87 Difference]: Start difference. First operand 147 states and 172 transitions. Second operand 7 states. [2018-12-02 11:59:43,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 11:59:43,928 INFO L93 Difference]: Finished difference Result 235 states and 282 transitions. [2018-12-02 11:59:43,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 11:59:43,928 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 63 [2018-12-02 11:59:43,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 11:59:43,929 INFO L225 Difference]: With dead ends: 235 [2018-12-02 11:59:43,929 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 11:59:43,930 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-12-02 11:59:43,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 11:59:43,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 11:59:43,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 11:59:43,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 11:59:43,931 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2018-12-02 11:59:43,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 11:59:43,931 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 11:59:43,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 11:59:43,931 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 11:59:43,931 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 11:59:43,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 11:59:44,361 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 200 207) the Hoare annotation is: true [2018-12-02 11:59:44,361 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 200 207) no Hoare annotation was computed. [2018-12-02 11:59:44,362 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 200 207) no Hoare annotation was computed. [2018-12-02 11:59:44,362 INFO L444 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-02 11:59:44,362 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 167 191) no Hoare annotation was computed. [2018-12-02 11:59:44,362 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 167 191) no Hoare annotation was computed. [2018-12-02 11:59:44,362 INFO L444 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-02 11:59:44,362 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 167 191) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-02 11:59:44,362 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-02 11:59:44,362 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 183) no Hoare annotation was computed. [2018-12-02 11:59:44,362 INFO L444 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-02 11:59:44,362 INFO L448 ceAbstractionStarter]: For program point L173-1(line 173) no Hoare annotation was computed. [2018-12-02 11:59:44,362 INFO L448 ceAbstractionStarter]: For program point L171(lines 171 188) no Hoare annotation was computed. [2018-12-02 11:59:44,362 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 849 855) the Hoare annotation is: true [2018-12-02 11:59:44,363 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 849 855) no Hoare annotation was computed. [2018-12-02 11:59:44,363 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 159 165) no Hoare annotation was computed. [2018-12-02 11:59:44,363 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 159 165) the Hoare annotation is: true [2018-12-02 11:59:44,363 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 856 864) no Hoare annotation was computed. [2018-12-02 11:59:44,363 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 856 864) the Hoare annotation is: true [2018-12-02 11:59:44,363 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 856 864) no Hoare annotation was computed. [2018-12-02 11:59:44,363 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 275 338) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 11:59:44,363 INFO L448 ceAbstractionStarter]: For program point L287(lines 287 291) no Hoare annotation was computed. [2018-12-02 11:59:44,363 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 275 338) no Hoare annotation was computed. [2018-12-02 11:59:44,363 INFO L444 ceAbstractionStarter]: At program point L331(lines 284 332) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 11:59:44,363 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 325) no Hoare annotation was computed. [2018-12-02 11:59:44,363 INFO L444 ceAbstractionStarter]: At program point L321-2(lines 315 326) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-02 11:59:44,363 INFO L448 ceAbstractionStarter]: For program point L286(lines 285 330) no Hoare annotation was computed. [2018-12-02 11:59:44,364 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-02 11:59:44,364 INFO L444 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-02 11:59:44,364 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 311) no Hoare annotation was computed. [2018-12-02 11:59:44,364 INFO L448 ceAbstractionStarter]: For program point L305-1(lines 305 311) no Hoare annotation was computed. [2018-12-02 11:59:44,364 INFO L444 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-02 11:59:44,364 INFO L444 ceAbstractionStarter]: At program point L328(lines 285 330) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-02 11:59:44,364 INFO L448 ceAbstractionStarter]: For program point L295(lines 295 301) no Hoare annotation was computed. [2018-12-02 11:59:44,364 INFO L448 ceAbstractionStarter]: For program point L295-1(lines 295 301) no Hoare annotation was computed. [2018-12-02 11:59:44,364 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 275 338) no Hoare annotation was computed. [2018-12-02 11:59:44,364 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 807 829) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 11:59:44,364 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 807 829) no Hoare annotation was computed. [2018-12-02 11:59:44,364 INFO L444 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-02 11:59:44,364 INFO L444 ceAbstractionStarter]: At program point L819-1(line 819) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-02 11:59:44,365 INFO L448 ceAbstractionStarter]: For program point L817(lines 817 824) no Hoare annotation was computed. [2018-12-02 11:59:44,365 INFO L448 ceAbstractionStarter]: For program point L817-1(lines 817 824) no Hoare annotation was computed. [2018-12-02 11:59:44,365 INFO L448 ceAbstractionStarter]: For program point L815(line 815) no Hoare annotation was computed. [2018-12-02 11:59:44,365 INFO L444 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 11:59:44,365 INFO L444 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 11:59:44,365 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 807 829) no Hoare annotation was computed. [2018-12-02 11:59:44,365 INFO L444 ceAbstractionStarter]: At program point L813-1(line 813) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 11:59:44,365 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 219 227) no Hoare annotation was computed. [2018-12-02 11:59:44,365 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 219 227) the Hoare annotation is: true [2018-12-02 11:59:44,365 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 219 227) no Hoare annotation was computed. [2018-12-02 11:59:44,365 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 11:59:44,365 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-02 11:59:44,365 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 11:59:44,365 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 11:59:44,365 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2018-12-02 11:59:44,365 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2018-12-02 11:59:44,365 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 733 762) no Hoare annotation was computed. [2018-12-02 11:59:44,366 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 733 762) the Hoare annotation is: true [2018-12-02 11:59:44,366 INFO L451 ceAbstractionStarter]: At program point L758(lines 733 762) the Hoare annotation is: true [2018-12-02 11:59:44,366 INFO L448 ceAbstractionStarter]: For program point L754(line 754) no Hoare annotation was computed. [2018-12-02 11:59:44,366 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 751) no Hoare annotation was computed. [2018-12-02 11:59:44,366 INFO L451 ceAbstractionStarter]: At program point L747-1(lines 747 751) the Hoare annotation is: true [2018-12-02 11:59:44,366 INFO L448 ceAbstractionStarter]: For program point L744(line 744) no Hoare annotation was computed. [2018-12-02 11:59:44,366 INFO L451 ceAbstractionStarter]: At program point L743-2(lines 743 757) the Hoare annotation is: true [2018-12-02 11:59:44,366 INFO L451 ceAbstractionStarter]: At program point L739(line 739) the Hoare annotation is: true [2018-12-02 11:59:44,366 INFO L448 ceAbstractionStarter]: For program point L739-1(line 739) no Hoare annotation was computed. [2018-12-02 11:59:44,366 INFO L444 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-02 11:59:44,366 INFO L444 ceAbstractionStarter]: At program point L146(lines 146 152) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-02 11:59:44,366 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 135 158) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-02 11:59:44,366 INFO L444 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-02 11:59:44,366 INFO L448 ceAbstractionStarter]: For program point L139(lines 138 157) no Hoare annotation was computed. [2018-12-02 11:59:44,366 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 135 158) no Hoare annotation was computed. [2018-12-02 11:59:44,366 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 135 158) no Hoare annotation was computed. [2018-12-02 11:59:44,366 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2018-12-02 11:59:44,366 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2018-12-02 11:59:44,366 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2018-12-02 11:59:44,367 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2018-12-02 11:59:44,367 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2018-12-02 11:59:44,367 INFO L448 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2018-12-02 11:59:44,367 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 842 848) no Hoare annotation was computed. [2018-12-02 11:59:44,367 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 842 848) the Hoare annotation is: true [2018-12-02 11:59:44,367 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 787 793) no Hoare annotation was computed. [2018-12-02 11:59:44,367 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 787 793) the Hoare annotation is: true [2018-12-02 11:59:44,367 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 11:59:44,367 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-02 11:59:44,367 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 11:59:44,367 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 11:59:44,367 INFO L448 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2018-12-02 11:59:44,367 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2018-12-02 11:59:44,367 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2018-12-02 11:59:44,367 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 265 272) no Hoare annotation was computed. [2018-12-02 11:59:44,367 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 265 272) the Hoare annotation is: true [2018-12-02 11:59:44,367 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 265 272) no Hoare annotation was computed. [2018-12-02 11:59:44,367 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 269) no Hoare annotation was computed. [2018-12-02 11:59:44,368 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 794 803) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 11:59:44,368 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 794 803) no Hoare annotation was computed. [2018-12-02 11:59:44,368 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 794 803) no Hoare annotation was computed. [2018-12-02 11:59:44,368 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 706 730) the Hoare annotation is: true [2018-12-02 11:59:44,368 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 706 730) no Hoare annotation was computed. [2018-12-02 11:59:44,368 INFO L444 ceAbstractionStarter]: At program point L720(line 720) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-12-02 11:59:44,368 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 724) no Hoare annotation was computed. [2018-12-02 11:59:44,368 INFO L444 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-02 11:59:44,368 INFO L448 ceAbstractionStarter]: For program point L716-1(line 716) no Hoare annotation was computed. [2018-12-02 11:59:44,368 INFO L448 ceAbstractionStarter]: For program point L714(lines 714 727) no Hoare annotation was computed. [2018-12-02 11:59:44,368 INFO L448 ceAbstractionStarter]: For program point L714-1(lines 706 730) no Hoare annotation was computed. [2018-12-02 11:59:44,368 INFO L451 ceAbstractionStarter]: At program point L712(line 712) the Hoare annotation is: true [2018-12-02 11:59:44,368 INFO L448 ceAbstractionStarter]: For program point L712-1(line 712) no Hoare annotation was computed. [2018-12-02 11:59:44,368 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 208 218) the Hoare annotation is: true [2018-12-02 11:59:44,368 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 208 218) no Hoare annotation was computed. [2018-12-02 11:59:44,368 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 208 218) no Hoare annotation was computed. [2018-12-02 11:59:44,368 INFO L451 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: true [2018-12-02 11:59:44,369 INFO L448 ceAbstractionStarter]: For program point L213-1(line 213) no Hoare annotation was computed. [2018-12-02 11:59:44,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:59:44 BoogieIcfgContainer [2018-12-02 11:59:44,375 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 11:59:44,376 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 11:59:44,376 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 11:59:44,376 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 11:59:44,376 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:59:42" (3/4) ... [2018-12-02 11:59:44,379 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 11:59:44,383 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 11:59:44,383 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 11:59:44,383 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 11:59:44,383 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 11:59:44,383 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 11:59:44,383 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 11:59:44,383 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 11:59:44,383 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 11:59:44,383 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 11:59:44,383 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 11:59:44,383 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 11:59:44,384 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 11:59:44,384 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 11:59:44,384 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 11:59:44,384 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 11:59:44,384 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 11:59:44,384 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 11:59:44,384 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 11:59:44,384 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 11:59:44,384 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-02 11:59:44,384 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 11:59:44,388 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-02 11:59:44,388 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 11:59:44,388 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 11:59:44,388 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 11:59:44,389 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 11:59:44,389 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 11:59:44,406 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) [2018-12-02 11:59:44,406 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 11:59:44,424 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7455679e-4368-40cd-a7e6-4d54c93aaae9/bin-2019/utaipan/witness.graphml [2018-12-02 11:59:44,425 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 11:59:44,425 INFO L168 Benchmark]: Toolchain (without parser) took 2170.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 212.3 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -224.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 11:59:44,426 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 11:59:44,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-12-02 11:59:44,426 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 11:59:44,426 INFO L168 Benchmark]: Boogie Preprocessor took 24.13 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-02 11:59:44,426 INFO L168 Benchmark]: RCFGBuilder took 308.47 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: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-12-02 11:59:44,427 INFO L168 Benchmark]: TraceAbstraction took 1449.02 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 84.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -116.1 MB). Peak memory consumption was 281.1 MB. Max. memory is 11.5 GB. [2018-12-02 11:59:44,427 INFO L168 Benchmark]: Witness Printer took 48.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. [2018-12-02 11:59:44,428 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 316.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.13 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 308.47 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: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1449.02 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 84.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -116.1 MB). Peak memory consumption was 281.1 MB. Max. memory is 11.5 GB. * Witness Printer took 48.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 269]: 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: 733]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 112 locations, 1 error locations. SAFE Result, 1.4s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 503 SDtfs, 287 SDslu, 776 SDs, 0 SdLazy, 301 SolverSat, 90 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=147occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 223 PreInvPairs, 236 NumberOfFragments, 427 HoareAnnotationTreeSize, 223 FomulaSimplifications, 68 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 48 FomulaSimplificationsInter, 705 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 26179 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...