./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product05_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_6a1d9021-774b-4b5d-9c9c-77b802fa252e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6a1d9021-774b-4b5d-9c9c-77b802fa252e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6a1d9021-774b-4b5d-9c9c-77b802fa252e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6a1d9021-774b-4b5d-9c9c-77b802fa252e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product05_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6a1d9021-774b-4b5d-9c9c-77b802fa252e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6a1d9021-774b-4b5d-9c9c-77b802fa252e/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 229890f5f6e9af6d15d776f98b90421cce07d395 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 10:32:07,439 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:32:07,440 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:32:07,449 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:32:07,450 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:32:07,451 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:32:07,452 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:32:07,453 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:32:07,454 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:32:07,455 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:32:07,456 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:32:07,456 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:32:07,457 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:32:07,457 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:32:07,459 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:32:07,459 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:32:07,460 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:32:07,461 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:32:07,463 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:32:07,465 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:32:07,465 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:32:07,467 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:32:07,468 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:32:07,469 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:32:07,469 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:32:07,470 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:32:07,471 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:32:07,472 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:32:07,473 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:32:07,474 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:32:07,474 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:32:07,474 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:32:07,475 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:32:07,475 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:32:07,476 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:32:07,477 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:32:07,477 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6a1d9021-774b-4b5d-9c9c-77b802fa252e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 10:32:07,495 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:32:07,495 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:32:07,496 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:32:07,496 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:32:07,497 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:32:07,497 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:32:07,497 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:32:07,497 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 10:32:07,497 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:32:07,497 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:32:07,498 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 10:32:07,498 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 10:32:07,498 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:32:07,498 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:32:07,499 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:32:07,499 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:32:07,499 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:32:07,499 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:32:07,499 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:32:07,499 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:32:07,499 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:32:07,500 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:32:07,500 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:32:07,500 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:32:07,500 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:32:07,500 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:32:07,500 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:32:07,500 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:32:07,501 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:32:07,501 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:32:07,501 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:32:07,501 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:32:07,501 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:32:07,501 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 10:32:07,501 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:32:07,502 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:32:07,502 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 10:32:07,502 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_6a1d9021-774b-4b5d-9c9c-77b802fa252e/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 -> 229890f5f6e9af6d15d776f98b90421cce07d395 [2018-11-18 10:32:07,534 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:32:07,543 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:32:07,546 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:32:07,547 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:32:07,548 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:32:07,548 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6a1d9021-774b-4b5d-9c9c-77b802fa252e/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product05_true-unreach-call_false-termination.cil.c [2018-11-18 10:32:07,595 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6a1d9021-774b-4b5d-9c9c-77b802fa252e/bin-2019/utaipan/data/201891ff6/74f1836acc6944e28d14e070feb12ddb/FLAGfd2fca041 [2018-11-18 10:32:08,025 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:32:08,026 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6a1d9021-774b-4b5d-9c9c-77b802fa252e/sv-benchmarks/c/product-lines/minepump_spec4_product05_true-unreach-call_false-termination.cil.c [2018-11-18 10:32:08,033 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6a1d9021-774b-4b5d-9c9c-77b802fa252e/bin-2019/utaipan/data/201891ff6/74f1836acc6944e28d14e070feb12ddb/FLAGfd2fca041 [2018-11-18 10:32:08,045 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6a1d9021-774b-4b5d-9c9c-77b802fa252e/bin-2019/utaipan/data/201891ff6/74f1836acc6944e28d14e070feb12ddb [2018-11-18 10:32:08,048 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:32:08,049 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:32:08,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:32:08,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:32:08,052 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:32:08,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:32:08" (1/1) ... [2018-11-18 10:32:08,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63f5fffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:32:08, skipping insertion in model container [2018-11-18 10:32:08,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:32:08" (1/1) ... [2018-11-18 10:32:08,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:32:08,100 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:32:08,297 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:32:08,305 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:32:08,416 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:32:08,446 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:32:08,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:32:08 WrapperNode [2018-11-18 10:32:08,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:32:08,447 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:32:08,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:32:08,447 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:32:08,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:32:08" (1/1) ... [2018-11-18 10:32:08,472 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:32:08" (1/1) ... [2018-11-18 10:32:08,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:32:08,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:32:08,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:32:08,478 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:32:08,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:32:08" (1/1) ... [2018-11-18 10:32:08,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:32:08" (1/1) ... [2018-11-18 10:32:08,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:32:08" (1/1) ... [2018-11-18 10:32:08,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:32:08" (1/1) ... [2018-11-18 10:32:08,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:32:08" (1/1) ... [2018-11-18 10:32:08,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:32:08" (1/1) ... [2018-11-18 10:32:08,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:32:08" (1/1) ... [2018-11-18 10:32:08,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:32:08,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:32:08,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:32:08,502 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:32:08,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:32:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6a1d9021-774b-4b5d-9c9c-77b802fa252e/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 10:32:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 10:32:08,555 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 10:32:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 10:32:08,556 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 10:32:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-18 10:32:08,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-18 10:32:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:32:08,556 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:32:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 10:32:08,556 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 10:32:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:32:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 10:32:08,556 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 10:32:08,557 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 10:32:08,557 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 10:32:08,557 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 10:32:08,557 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 10:32:08,557 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 10:32:08,557 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 10:32:08,557 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 10:32:08,557 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 10:32:08,557 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 10:32:08,557 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 10:32:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 10:32:08,558 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 10:32:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:32:08,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:32:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 10:32:08,558 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 10:32:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 10:32:08,562 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 10:32:08,562 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 10:32:08,562 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 10:32:08,562 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 10:32:08,563 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 10:32:08,563 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 10:32:08,563 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 10:32:08,563 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 10:32:08,563 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 10:32:08,563 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 10:32:08,563 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 10:32:08,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:32:08,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:32:08,564 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 10:32:08,564 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 10:32:08,564 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 10:32:08,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 10:32:09,571 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:32:09,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:32:09 BoogieIcfgContainer [2018-11-18 10:32:09,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:32:09,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:32:09,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:32:09,575 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:32:09,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:32:08" (1/3) ... [2018-11-18 10:32:09,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72adb3dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:32:09, skipping insertion in model container [2018-11-18 10:32:09,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:32:08" (2/3) ... [2018-11-18 10:32:09,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72adb3dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:32:09, skipping insertion in model container [2018-11-18 10:32:09,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:32:09" (3/3) ... [2018-11-18 10:32:09,578 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product05_true-unreach-call_false-termination.cil.c [2018-11-18 10:32:09,585 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:32:09,591 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:32:09,606 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:32:09,634 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:32:09,635 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:32:09,635 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:32:09,635 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:32:09,635 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:32:09,635 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:32:09,635 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:32:09,635 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:32:09,658 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-11-18 10:32:09,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 10:32:09,666 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:32:09,667 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 10:32:09,675 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:32:09,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:32:09,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1812218608, now seen corresponding path program 1 times [2018-11-18 10:32:09,685 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:32:09,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:09,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:32:09,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:09,727 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:32:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:32:09,975 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 10:32:09,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:32:09,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 10:32:09,977 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:32:09,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 10:32:09,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 10:32:09,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:32:09,994 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2018-11-18 10:32:10,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:32:10,023 INFO L93 Difference]: Finished difference Result 208 states and 257 transitions. [2018-11-18 10:32:10,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 10:32:10,024 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 10:32:10,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:32:10,031 INFO L225 Difference]: With dead ends: 208 [2018-11-18 10:32:10,032 INFO L226 Difference]: Without dead ends: 104 [2018-11-18 10:32:10,035 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 10:32:10,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-11-18 10:32:10,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-11-18 10:32:10,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-11-18 10:32:10,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 120 transitions. [2018-11-18 10:32:10,071 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 120 transitions. Word has length 46 [2018-11-18 10:32:10,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:32:10,072 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 120 transitions. [2018-11-18 10:32:10,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 10:32:10,072 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 120 transitions. [2018-11-18 10:32:10,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 10:32:10,074 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:32:10,074 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 10:32:10,075 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:32:10,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:32:10,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1864485238, now seen corresponding path program 1 times [2018-11-18 10:32:10,075 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:32:10,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:10,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:32:10,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:10,077 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:32:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:32:10,258 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 10:32:10,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:32:10,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:32:10,259 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:32:10,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:32:10,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:32:10,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:32:10,266 INFO L87 Difference]: Start difference. First operand 104 states and 120 transitions. Second operand 3 states. [2018-11-18 10:32:10,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:32:10,295 INFO L93 Difference]: Finished difference Result 155 states and 177 transitions. [2018-11-18 10:32:10,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:32:10,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 10:32:10,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:32:10,297 INFO L225 Difference]: With dead ends: 155 [2018-11-18 10:32:10,298 INFO L226 Difference]: Without dead ends: 94 [2018-11-18 10:32:10,299 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 10:32:10,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-11-18 10:32:10,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-11-18 10:32:10,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-11-18 10:32:10,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 107 transitions. [2018-11-18 10:32:10,308 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 107 transitions. Word has length 48 [2018-11-18 10:32:10,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:32:10,308 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 107 transitions. [2018-11-18 10:32:10,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:32:10,308 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2018-11-18 10:32:10,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 10:32:10,310 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:32:10,310 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] [2018-11-18 10:32:10,310 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:32:10,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:32:10,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1858331976, now seen corresponding path program 1 times [2018-11-18 10:32:10,310 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:32:10,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:10,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:32:10,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:10,312 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:32:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:32:10,744 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 10:32:10,745 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:32:10,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 10:32:10,745 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:32:10,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 10:32:10,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 10:32:10,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:32:10,746 INFO L87 Difference]: Start difference. First operand 94 states and 107 transitions. Second operand 7 states. [2018-11-18 10:32:11,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:32:11,198 INFO L93 Difference]: Finished difference Result 164 states and 191 transitions. [2018-11-18 10:32:11,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 10:32:11,199 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-18 10:32:11,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:32:11,200 INFO L225 Difference]: With dead ends: 164 [2018-11-18 10:32:11,200 INFO L226 Difference]: Without dead ends: 94 [2018-11-18 10:32:11,200 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:32:11,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-11-18 10:32:11,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-11-18 10:32:11,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-11-18 10:32:11,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 106 transitions. [2018-11-18 10:32:11,208 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 106 transitions. Word has length 52 [2018-11-18 10:32:11,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:32:11,208 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 106 transitions. [2018-11-18 10:32:11,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 10:32:11,209 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 106 transitions. [2018-11-18 10:32:11,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 10:32:11,210 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:32:11,210 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] [2018-11-18 10:32:11,210 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:32:11,211 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:32:11,211 INFO L82 PathProgramCache]: Analyzing trace with hash -2080665564, now seen corresponding path program 1 times [2018-11-18 10:32:11,211 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:32:11,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:11,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:32:11,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:11,213 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:32:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:32:11,623 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 10:32:11,623 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:32:11,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 10:32:11,623 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:32:11,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 10:32:11,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 10:32:11,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:32:11,624 INFO L87 Difference]: Start difference. First operand 94 states and 106 transitions. Second operand 10 states. [2018-11-18 10:32:12,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:32:12,276 INFO L93 Difference]: Finished difference Result 284 states and 345 transitions. [2018-11-18 10:32:12,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 10:32:12,277 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2018-11-18 10:32:12,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:32:12,279 INFO L225 Difference]: With dead ends: 284 [2018-11-18 10:32:12,280 INFO L226 Difference]: Without dead ends: 214 [2018-11-18 10:32:12,280 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-18 10:32:12,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-11-18 10:32:12,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 210. [2018-11-18 10:32:12,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-11-18 10:32:12,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 246 transitions. [2018-11-18 10:32:12,302 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 246 transitions. Word has length 60 [2018-11-18 10:32:12,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:32:12,303 INFO L480 AbstractCegarLoop]: Abstraction has 210 states and 246 transitions. [2018-11-18 10:32:12,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 10:32:12,303 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 246 transitions. [2018-11-18 10:32:12,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 10:32:12,304 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:32:12,304 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, 1, 1] [2018-11-18 10:32:12,304 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:32:12,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:32:12,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1587790186, now seen corresponding path program 1 times [2018-11-18 10:32:12,305 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:32:12,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:12,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:32:12,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:12,306 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:32:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:32:12,394 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 10:32:12,394 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:32:12,394 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:32:12,394 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:32:12,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:32:12,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:32:12,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:32:12,395 INFO L87 Difference]: Start difference. First operand 210 states and 246 transitions. Second operand 3 states. [2018-11-18 10:32:12,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:32:12,420 INFO L93 Difference]: Finished difference Result 338 states and 406 transitions. [2018-11-18 10:32:12,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:32:12,420 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2018-11-18 10:32:12,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:32:12,421 INFO L225 Difference]: With dead ends: 338 [2018-11-18 10:32:12,421 INFO L226 Difference]: Without dead ends: 152 [2018-11-18 10:32:12,422 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 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 10:32:12,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-11-18 10:32:12,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-11-18 10:32:12,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-11-18 10:32:12,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 170 transitions. [2018-11-18 10:32:12,434 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 170 transitions. Word has length 64 [2018-11-18 10:32:12,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:32:12,435 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 170 transitions. [2018-11-18 10:32:12,435 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:32:12,435 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 170 transitions. [2018-11-18 10:32:12,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 10:32:12,437 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:32:12,438 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, 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] [2018-11-18 10:32:12,438 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:32:12,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:32:12,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1814687368, now seen corresponding path program 1 times [2018-11-18 10:32:12,443 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:32:12,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:12,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:32:12,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:32:12,444 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:32:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:32:12,721 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 10:32:12,722 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:32:12,722 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:32:12,724 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 101 with the following transitions: [2018-11-18 10:32:12,725 INFO L202 CegarAbsIntRunner]: [2], [17], [20], [21], [22], [23], [24], [25], [29], [35], [39], [43], [46], [51], [57], [59], [62], [77], [79], [82], [84], [87], [93], [95], [96], [100], [103], [111], [112], [113], [114], [115], [116], [129], [133], [139], [176], [177], [183], [187], [188], [203], [204], [205], [206], [209], [210], [213], [214], [215], [216], [217], [219], [220], [221], [222], [223], [224], [225], [226], [227], [231], [232], [233], [234], [239], [240], [241], [243] [2018-11-18 10:32:12,755 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:32:12,755 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:32:13,252 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 10:32:13,253 INFO L272 AbstractInterpreter]: Visited 67 different actions 76 times. Merged at 6 different actions 6 times. Never widened. Performed 2632 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2632 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 132 variables. [2018-11-18 10:32:13,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:32:13,304 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 10:32:13,761 INFO L227 lantSequenceWeakener]: Weakened 96 states. On average, predicates are now at 97.53% of their original sizes. [2018-11-18 10:32:13,762 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 10:32:14,355 INFO L415 sIntCurrentIteration]: We unified 99 AI predicates to 99 [2018-11-18 10:32:14,355 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 10:32:14,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:32:14,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [7] total 20 [2018-11-18 10:32:14,356 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:32:14,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 10:32:14,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 10:32:14,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-11-18 10:32:14,357 INFO L87 Difference]: Start difference. First operand 152 states and 170 transitions. Second operand 15 states. [2018-11-18 10:32:16,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:32:16,208 INFO L93 Difference]: Finished difference Result 193 states and 218 transitions. [2018-11-18 10:32:16,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 10:32:16,209 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 100 [2018-11-18 10:32:16,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:32:16,209 INFO L225 Difference]: With dead ends: 193 [2018-11-18 10:32:16,209 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 10:32:16,210 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 100 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2018-11-18 10:32:16,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 10:32:16,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 10:32:16,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 10:32:16,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 10:32:16,210 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2018-11-18 10:32:16,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:32:16,210 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:32:16,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 10:32:16,211 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 10:32:16,211 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:32:16,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 10:32:16,486 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 19 [2018-11-18 10:32:17,193 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 731 738) the Hoare annotation is: true [2018-11-18 10:32:17,193 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 731 738) no Hoare annotation was computed. [2018-11-18 10:32:17,194 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 731 738) no Hoare annotation was computed. [2018-11-18 10:32:17,194 INFO L421 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 10:32:17,194 INFO L425 ceAbstractionStarter]: For program point L704-1(line 704) no Hoare annotation was computed. [2018-11-18 10:32:17,194 INFO L425 ceAbstractionStarter]: For program point L702(lines 702 719) no Hoare annotation was computed. [2018-11-18 10:32:17,194 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 698 722) no Hoare annotation was computed. [2018-11-18 10:32:17,194 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 698 722) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-18 10:32:17,194 INFO L421 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-18 10:32:17,195 INFO L425 ceAbstractionStarter]: For program point L717-1(lines 698 722) no Hoare annotation was computed. [2018-11-18 10:32:17,195 INFO L421 ceAbstractionStarter]: At program point L712(line 712) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 10:32:17,195 INFO L421 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 10:32:17,195 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 714) no Hoare annotation was computed. [2018-11-18 10:32:17,195 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 850 856) the Hoare annotation is: true [2018-11-18 10:32:17,195 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 850 856) no Hoare annotation was computed. [2018-11-18 10:32:17,195 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 690 696) no Hoare annotation was computed. [2018-11-18 10:32:17,195 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 690 696) the Hoare annotation is: true [2018-11-18 10:32:17,195 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 857 865) no Hoare annotation was computed. [2018-11-18 10:32:17,196 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 857 865) the Hoare annotation is: true [2018-11-18 10:32:17,196 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 857 865) no Hoare annotation was computed. [2018-11-18 10:32:17,196 INFO L425 ceAbstractionStarter]: For program point L640(lines 640 644) no Hoare annotation was computed. [2018-11-18 10:32:17,196 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 594 657) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:32:17,196 INFO L421 ceAbstractionStarter]: At program point L640-2(lines 634 645) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 10:32:17,196 INFO L425 ceAbstractionStarter]: For program point L605(lines 604 649) no Hoare annotation was computed. [2018-11-18 10:32:17,196 INFO L425 ceAbstractionStarter]: For program point L634(lines 634 645) no Hoare annotation was computed. [2018-11-18 10:32:17,196 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 594 657) no Hoare annotation was computed. [2018-11-18 10:32:17,196 INFO L421 ceAbstractionStarter]: At program point L626(line 626) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 10:32:17,197 INFO L425 ceAbstractionStarter]: For program point L624(lines 624 630) no Hoare annotation was computed. [2018-11-18 10:32:17,197 INFO L425 ceAbstractionStarter]: For program point L624-1(lines 624 630) no Hoare annotation was computed. [2018-11-18 10:32:17,197 INFO L421 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= ~systemActive~0 1)) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 10:32:17,197 INFO L421 ceAbstractionStarter]: At program point L647(lines 604 649) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 10:32:17,197 INFO L425 ceAbstractionStarter]: For program point L614(lines 614 620) no Hoare annotation was computed. [2018-11-18 10:32:17,197 INFO L425 ceAbstractionStarter]: For program point L614-1(lines 614 620) no Hoare annotation was computed. [2018-11-18 10:32:17,197 INFO L425 ceAbstractionStarter]: For program point L606(lines 606 610) no Hoare annotation was computed. [2018-11-18 10:32:17,197 INFO L425 ceAbstractionStarter]: For program point L604-1(lines 604 649) no Hoare annotation was computed. [2018-11-18 10:32:17,197 INFO L421 ceAbstractionStarter]: At program point L650(lines 603 651) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:32:17,197 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 594 657) no Hoare annotation was computed. [2018-11-18 10:32:17,198 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 797 821) the Hoare annotation is: true [2018-11-18 10:32:17,198 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 797 821) no Hoare annotation was computed. [2018-11-18 10:32:17,198 INFO L421 ceAbstractionStarter]: At program point L811(line 811) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 10:32:17,198 INFO L425 ceAbstractionStarter]: For program point L809(lines 809 815) no Hoare annotation was computed. [2018-11-18 10:32:17,198 INFO L421 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 10:32:17,198 INFO L425 ceAbstractionStarter]: For program point L807-1(line 807) no Hoare annotation was computed. [2018-11-18 10:32:17,198 INFO L425 ceAbstractionStarter]: For program point L805(lines 805 818) no Hoare annotation was computed. [2018-11-18 10:32:17,198 INFO L425 ceAbstractionStarter]: For program point L805-1(lines 797 821) no Hoare annotation was computed. [2018-11-18 10:32:17,198 INFO L428 ceAbstractionStarter]: At program point L803(line 803) the Hoare annotation is: true [2018-11-18 10:32:17,199 INFO L425 ceAbstractionStarter]: For program point L803-1(line 803) no Hoare annotation was computed. [2018-11-18 10:32:17,199 INFO L421 ceAbstractionStarter]: At program point L577(line 577) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:32:17,199 INFO L421 ceAbstractionStarter]: At program point L576(line 576) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:32:17,199 INFO L421 ceAbstractionStarter]: At program point L576-1(line 576) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:32:17,199 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 570 592) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:32:17,199 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 570 592) no Hoare annotation was computed. [2018-11-18 10:32:17,199 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 570 592) no Hoare annotation was computed. [2018-11-18 10:32:17,199 INFO L421 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:32:17,200 INFO L421 ceAbstractionStarter]: At program point L582-1(line 582) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:32:17,200 INFO L425 ceAbstractionStarter]: For program point L580(lines 580 587) no Hoare annotation was computed. [2018-11-18 10:32:17,200 INFO L425 ceAbstractionStarter]: For program point L580-1(lines 580 587) no Hoare annotation was computed. [2018-11-18 10:32:17,200 INFO L425 ceAbstractionStarter]: For program point L578(line 578) no Hoare annotation was computed. [2018-11-18 10:32:17,200 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 750 758) no Hoare annotation was computed. [2018-11-18 10:32:17,200 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 750 758) the Hoare annotation is: true [2018-11-18 10:32:17,200 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 750 758) no Hoare annotation was computed. [2018-11-18 10:32:17,200 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:32:17,200 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:32:17,200 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:32:17,200 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2018-11-18 10:32:17,200 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2018-11-18 10:32:17,201 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2018-11-18 10:32:17,201 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2018-11-18 10:32:17,201 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2018-11-18 10:32:17,201 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2018-11-18 10:32:17,201 INFO L421 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 10:32:17,201 INFO L425 ceAbstractionStarter]: For program point L670(lines 669 688) no Hoare annotation was computed. [2018-11-18 10:32:17,201 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 666 689) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~waterLevel~0 2) .cse1) .cse2 (not (= |old(~waterLevel~0)| 2))) (or (and (= ~waterLevel~0 1) .cse1) .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 10:32:17,202 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 666 689) no Hoare annotation was computed. [2018-11-18 10:32:17,202 INFO L421 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~waterLevel~0 2) .cse1) .cse2 (not (= |old(~waterLevel~0)| 2))) (or (and (= ~waterLevel~0 1) .cse1) .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 10:32:17,202 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 666 689) no Hoare annotation was computed. [2018-11-18 10:32:17,202 INFO L421 ceAbstractionStarter]: At program point L677(lines 677 683) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~waterLevel~0 2) .cse1) .cse2 (not (= |old(~waterLevel~0)| 2))) (or (and (= ~waterLevel~0 1) .cse1) .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 10:32:17,202 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 494 523) no Hoare annotation was computed. [2018-11-18 10:32:17,202 INFO L425 ceAbstractionStarter]: For program point L508(lines 508 512) no Hoare annotation was computed. [2018-11-18 10:32:17,202 INFO L428 ceAbstractionStarter]: At program point L508-1(lines 508 512) the Hoare annotation is: true [2018-11-18 10:32:17,202 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 504 518) no Hoare annotation was computed. [2018-11-18 10:32:17,203 INFO L428 ceAbstractionStarter]: At program point L504-3(lines 504 518) the Hoare annotation is: true [2018-11-18 10:32:17,203 INFO L428 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: true [2018-11-18 10:32:17,203 INFO L425 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2018-11-18 10:32:17,203 INFO L428 ceAbstractionStarter]: At program point L519(lines 494 523) the Hoare annotation is: true [2018-11-18 10:32:17,203 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-18 10:32:17,203 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 494 523) the Hoare annotation is: true [2018-11-18 10:32:17,203 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 10:32:17,203 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2018-11-18 10:32:17,203 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2018-11-18 10:32:17,203 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2018-11-18 10:32:17,204 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2018-11-18 10:32:17,204 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2018-11-18 10:32:17,204 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2018-11-18 10:32:17,204 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 843 849) no Hoare annotation was computed. [2018-11-18 10:32:17,204 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 843 849) the Hoare annotation is: true [2018-11-18 10:32:17,204 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 549 555) no Hoare annotation was computed. [2018-11-18 10:32:17,204 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 549 555) the Hoare annotation is: true [2018-11-18 10:32:17,204 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:32:17,204 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 10:32:17,204 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:32:17,204 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:32:17,204 INFO L425 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2018-11-18 10:32:17,205 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2018-11-18 10:32:17,205 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= ~waterLevel~0 1) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (= ~waterLevel~0 2) .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))))) [2018-11-18 10:32:17,205 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 823 830) no Hoare annotation was computed. [2018-11-18 10:32:17,205 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 823 830) the Hoare annotation is: true [2018-11-18 10:32:17,205 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 823 830) no Hoare annotation was computed. [2018-11-18 10:32:17,205 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 827) no Hoare annotation was computed. [2018-11-18 10:32:17,205 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 557 566) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:32:17,205 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 557 566) no Hoare annotation was computed. [2018-11-18 10:32:17,206 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 557 566) no Hoare annotation was computed. [2018-11-18 10:32:17,206 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 739 749) the Hoare annotation is: true [2018-11-18 10:32:17,206 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 739 749) no Hoare annotation was computed. [2018-11-18 10:32:17,206 INFO L428 ceAbstractionStarter]: At program point L744(line 744) the Hoare annotation is: true [2018-11-18 10:32:17,206 INFO L425 ceAbstractionStarter]: For program point L744-1(line 744) no Hoare annotation was computed. [2018-11-18 10:32:17,206 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 739 749) no Hoare annotation was computed. [2018-11-18 10:32:17,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:32:17 BoogieIcfgContainer [2018-11-18 10:32:17,226 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:32:17,227 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:32:17,227 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:32:17,227 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:32:17,230 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:32:09" (3/4) ... [2018-11-18 10:32:17,234 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:32:17,243 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 10:32:17,243 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 10:32:17,243 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 10:32:17,243 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 10:32:17,243 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 10:32:17,243 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 10:32:17,243 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-18 10:32:17,243 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 10:32:17,243 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 10:32:17,244 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 10:32:17,244 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 10:32:17,244 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 10:32:17,244 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 10:32:17,244 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 10:32:17,244 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 10:32:17,244 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 10:32:17,244 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 10:32:17,244 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 10:32:17,245 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 10:32:17,245 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 10:32:17,245 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 10:32:17,245 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 10:32:17,253 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2018-11-18 10:32:17,254 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 10:32:17,254 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 10:32:17,282 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 2 && pumpRunning == 0) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((waterLevel == 1 && pumpRunning == 0) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-18 10:32:17,283 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-18 10:32:17,325 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6a1d9021-774b-4b5d-9c9c-77b802fa252e/bin-2019/utaipan/witness.graphml [2018-11-18 10:32:17,325 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:32:17,326 INFO L168 Benchmark]: Toolchain (without parser) took 9278.16 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 339.2 MB). Free memory was 957.1 MB in the beginning and 854.9 MB in the end (delta: 102.2 MB). Peak memory consumption was 441.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:32:17,327 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:32:17,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -183.0 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:32:17,327 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.04 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. [2018-11-18 10:32:17,327 INFO L168 Benchmark]: Boogie Preprocessor took 23.82 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:32:17,328 INFO L168 Benchmark]: RCFGBuilder took 1069.53 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: 58.0 MB). Peak memory consumption was 58.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:32:17,328 INFO L168 Benchmark]: TraceAbstraction took 7654.46 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 189.8 MB). Free memory was 1.1 GB in the beginning and 862.4 MB in the end (delta: 216.4 MB). Peak memory consumption was 406.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:32:17,328 INFO L168 Benchmark]: Witness Printer took 98.71 ms. Allocated memory is still 1.4 GB. Free memory was 862.4 MB in the beginning and 854.9 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:32:17,330 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 396.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -183.0 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.04 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 23.82 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1069.53 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: 58.0 MB). Peak memory consumption was 58.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7654.46 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 189.8 MB). Free memory was 1.1 GB in the beginning and 862.4 MB in the end (delta: 216.4 MB). Peak memory consumption was 406.2 MB. Max. memory is 11.5 GB. * Witness Printer took 98.71 ms. Allocated memory is still 1.4 GB. Free memory was 862.4 MB in the beginning and 854.9 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 827]: 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: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: (((((waterLevel == 2 && pumpRunning == 0) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((waterLevel == 1 && pumpRunning == 0) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 117 locations, 1 error locations. SAFE Result, 7.5s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 3.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 636 SDtfs, 444 SDslu, 1686 SDs, 0 SdLazy, 556 SolverSat, 95 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 145 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=210occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.5s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9970230871395924 AbsIntWeakeningRatio, 0.9494949494949495 AbsIntAvgWeakeningVarsNumRemoved, 94.21212121212122 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 279 PreInvPairs, 292 NumberOfFragments, 728 HoareAnnotationTreeSize, 279 FomulaSimplifications, 139 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 680 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 370 NumberOfCodeBlocks, 370 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 364 ConstructedInterpolants, 0 QuantifiedInterpolants, 49062 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 28/32 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...