./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product16_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8c90507a-5c85-4170-88c2-6f73e56d7542/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8c90507a-5c85-4170-88c2-6f73e56d7542/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8c90507a-5c85-4170-88c2-6f73e56d7542/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8c90507a-5c85-4170-88c2-6f73e56d7542/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product16_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8c90507a-5c85-4170-88c2-6f73e56d7542/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8c90507a-5c85-4170-88c2-6f73e56d7542/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 407d2ed2af07127fb49dbf31f1dfe014dd6d299c .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 18:46:16,442 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 18:46:16,443 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 18:46:16,449 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 18:46:16,449 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 18:46:16,449 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 18:46:16,450 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 18:46:16,451 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 18:46:16,452 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 18:46:16,452 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 18:46:16,453 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 18:46:16,453 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 18:46:16,453 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 18:46:16,454 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 18:46:16,454 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 18:46:16,455 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 18:46:16,455 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 18:46:16,456 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 18:46:16,457 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 18:46:16,457 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 18:46:16,458 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 18:46:16,459 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 18:46:16,460 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 18:46:16,460 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 18:46:16,460 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 18:46:16,460 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 18:46:16,461 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 18:46:16,461 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 18:46:16,462 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 18:46:16,462 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 18:46:16,462 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 18:46:16,463 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 18:46:16,463 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 18:46:16,463 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 18:46:16,464 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 18:46:16,464 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 18:46:16,464 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8c90507a-5c85-4170-88c2-6f73e56d7542/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 18:46:16,471 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 18:46:16,471 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 18:46:16,472 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 18:46:16,472 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 18:46:16,472 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 18:46:16,472 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 18:46:16,472 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 18:46:16,472 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 18:46:16,472 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 18:46:16,473 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 18:46:16,473 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 18:46:16,473 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 18:46:16,473 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 18:46:16,473 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 18:46:16,473 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 18:46:16,473 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 18:46:16,473 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 18:46:16,474 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 18:46:16,474 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 18:46:16,474 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 18:46:16,474 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 18:46:16,474 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 18:46:16,474 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 18:46:16,474 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 18:46:16,474 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 18:46:16,474 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 18:46:16,474 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 18:46:16,475 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 18:46:16,475 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 18:46:16,475 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 18:46:16,475 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 18:46:16,475 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 18:46:16,475 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 18:46:16,475 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 18:46:16,475 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 18:46:16,475 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 18:46:16,475 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_8c90507a-5c85-4170-88c2-6f73e56d7542/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 407d2ed2af07127fb49dbf31f1dfe014dd6d299c [2018-12-09 18:46:16,492 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 18:46:16,500 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 18:46:16,502 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 18:46:16,503 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 18:46:16,503 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 18:46:16,503 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8c90507a-5c85-4170-88c2-6f73e56d7542/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product16_true-unreach-call_false-termination.cil.c [2018-12-09 18:46:16,540 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8c90507a-5c85-4170-88c2-6f73e56d7542/bin-2019/utaipan/data/ce289eee7/9047899a93cd4ca88ec63e5c4c1dff59/FLAG5f17b15d9 [2018-12-09 18:46:17,046 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 18:46:17,046 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8c90507a-5c85-4170-88c2-6f73e56d7542/sv-benchmarks/c/product-lines/minepump_spec4_product16_true-unreach-call_false-termination.cil.c [2018-12-09 18:46:17,053 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8c90507a-5c85-4170-88c2-6f73e56d7542/bin-2019/utaipan/data/ce289eee7/9047899a93cd4ca88ec63e5c4c1dff59/FLAG5f17b15d9 [2018-12-09 18:46:17,524 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8c90507a-5c85-4170-88c2-6f73e56d7542/bin-2019/utaipan/data/ce289eee7/9047899a93cd4ca88ec63e5c4c1dff59 [2018-12-09 18:46:17,526 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 18:46:17,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 18:46:17,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 18:46:17,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 18:46:17,530 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 18:46:17,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:46:17" (1/1) ... [2018-12-09 18:46:17,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fa8bae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:46:17, skipping insertion in model container [2018-12-09 18:46:17,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:46:17" (1/1) ... [2018-12-09 18:46:17,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 18:46:17,558 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 18:46:17,698 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:46:17,738 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 18:46:17,775 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:46:17,789 INFO L195 MainTranslator]: Completed translation [2018-12-09 18:46:17,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:46:17 WrapperNode [2018-12-09 18:46:17,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 18:46:17,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 18:46:17,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 18:46:17,790 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 18:46:17,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:46:17" (1/1) ... [2018-12-09 18:46:17,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:46:17" (1/1) ... [2018-12-09 18:46:17,808 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 18:46:17,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 18:46:17,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 18:46:17,809 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 18:46:17,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:46:17" (1/1) ... [2018-12-09 18:46:17,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:46:17" (1/1) ... [2018-12-09 18:46:17,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:46:17" (1/1) ... [2018-12-09 18:46:17,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:46:17" (1/1) ... [2018-12-09 18:46:17,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:46:17" (1/1) ... [2018-12-09 18:46:17,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:46:17" (1/1) ... [2018-12-09 18:46:17,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:46:17" (1/1) ... [2018-12-09 18:46:17,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 18:46:17,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 18:46:17,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 18:46:17,829 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 18:46:17,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:46:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c90507a-5c85-4170-88c2-6f73e56d7542/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 18:46:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 18:46:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 18:46:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-09 18:46:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-09 18:46:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 18:46:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 18:46:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 18:46:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 18:46:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 18:46:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 18:46:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 18:46:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 18:46:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 18:46:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 18:46:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 18:46:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 18:46:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 18:46:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 18:46:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 18:46:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 18:46:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 18:46:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 18:46:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 18:46:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 18:46:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 18:46:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 18:46:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 18:46:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 18:46:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 18:46:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 18:46:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 18:46:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 18:46:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 18:46:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 18:46:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 18:46:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 18:46:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 18:46:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 18:46:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 18:46:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 18:46:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 18:46:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 18:46:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 18:46:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 18:46:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 18:46:17,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 18:46:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 18:46:17,865 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 18:46:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 18:46:17,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 18:46:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 18:46:17,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 18:46:18,121 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 18:46:18,122 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 18:46:18,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:46:18 BoogieIcfgContainer [2018-12-09 18:46:18,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 18:46:18,122 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 18:46:18,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 18:46:18,124 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 18:46:18,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:46:17" (1/3) ... [2018-12-09 18:46:18,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44a52677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:46:18, skipping insertion in model container [2018-12-09 18:46:18,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:46:17" (2/3) ... [2018-12-09 18:46:18,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44a52677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:46:18, skipping insertion in model container [2018-12-09 18:46:18,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:46:18" (3/3) ... [2018-12-09 18:46:18,127 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product16_true-unreach-call_false-termination.cil.c [2018-12-09 18:46:18,133 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 18:46:18,138 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 18:46:18,147 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 18:46:18,166 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 18:46:18,166 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 18:46:18,166 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 18:46:18,166 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 18:46:18,166 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 18:46:18,166 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 18:46:18,166 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 18:46:18,166 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 18:46:18,178 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2018-12-09 18:46:18,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 18:46:18,183 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:46:18,184 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:46:18,185 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:46:18,188 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:46:18,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1043620841, now seen corresponding path program 1 times [2018-12-09 18:46:18,190 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:46:18,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:46:18,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:46:18,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:46:18,218 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:46:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:46:18,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:46:18,326 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:46:18,326 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 18:46:18,326 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:46:18,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 18:46:18,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 18:46:18,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 18:46:18,338 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2018-12-09 18:46:18,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:46:18,359 INFO L93 Difference]: Finished difference Result 224 states and 277 transitions. [2018-12-09 18:46:18,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 18:46:18,360 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 18:46:18,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:46:18,367 INFO L225 Difference]: With dead ends: 224 [2018-12-09 18:46:18,367 INFO L226 Difference]: Without dead ends: 112 [2018-12-09 18:46:18,369 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 18:46:18,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-12-09 18:46:18,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-12-09 18:46:18,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-12-09 18:46:18,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2018-12-09 18:46:18,399 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 46 [2018-12-09 18:46:18,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:46:18,399 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2018-12-09 18:46:18,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 18:46:18,399 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2018-12-09 18:46:18,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 18:46:18,400 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:46:18,401 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:46:18,401 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:46:18,401 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:46:18,401 INFO L82 PathProgramCache]: Analyzing trace with hash -236618839, now seen corresponding path program 1 times [2018-12-09 18:46:18,401 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:46:18,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:46:18,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:46:18,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:46:18,402 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:46:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:46:18,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:46:18,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:46:18,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 18:46:18,453 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:46:18,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 18:46:18,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 18:46:18,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 18:46:18,455 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 3 states. [2018-12-09 18:46:18,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:46:18,466 INFO L93 Difference]: Finished difference Result 163 states and 187 transitions. [2018-12-09 18:46:18,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 18:46:18,467 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 18:46:18,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:46:18,468 INFO L225 Difference]: With dead ends: 163 [2018-12-09 18:46:18,468 INFO L226 Difference]: Without dead ends: 103 [2018-12-09 18:46:18,469 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 18:46:18,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-12-09 18:46:18,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-12-09 18:46:18,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-12-09 18:46:18,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2018-12-09 18:46:18,475 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 47 [2018-12-09 18:46:18,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:46:18,476 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2018-12-09 18:46:18,476 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 18:46:18,476 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2018-12-09 18:46:18,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 18:46:18,476 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:46:18,477 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:46:18,477 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:46:18,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:46:18,477 INFO L82 PathProgramCache]: Analyzing trace with hash -823912556, now seen corresponding path program 1 times [2018-12-09 18:46:18,477 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:46:18,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:46:18,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:46:18,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:46:18,478 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:46:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:46:18,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:46:18,553 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:46:18,553 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 18:46:18,553 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:46:18,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 18:46:18,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 18:46:18,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:46:18,554 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand 7 states. [2018-12-09 18:46:18,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:46:18,783 INFO L93 Difference]: Finished difference Result 311 states and 374 transitions. [2018-12-09 18:46:18,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 18:46:18,783 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-09 18:46:18,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:46:18,785 INFO L225 Difference]: With dead ends: 311 [2018-12-09 18:46:18,785 INFO L226 Difference]: Without dead ends: 232 [2018-12-09 18:46:18,785 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:46:18,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2018-12-09 18:46:18,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 220. [2018-12-09 18:46:18,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-12-09 18:46:18,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 264 transitions. [2018-12-09 18:46:18,803 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 264 transitions. Word has length 52 [2018-12-09 18:46:18,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:46:18,803 INFO L480 AbstractCegarLoop]: Abstraction has 220 states and 264 transitions. [2018-12-09 18:46:18,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 18:46:18,803 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 264 transitions. [2018-12-09 18:46:18,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 18:46:18,805 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:46:18,805 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] [2018-12-09 18:46:18,805 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:46:18,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:46:18,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1571749326, now seen corresponding path program 1 times [2018-12-09 18:46:18,805 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:46:18,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:46:18,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:46:18,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:46:18,806 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:46:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:46:18,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:46:18,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:46:18,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 18:46:18,894 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:46:18,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 18:46:18,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 18:46:18,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:46:18,895 INFO L87 Difference]: Start difference. First operand 220 states and 264 transitions. Second operand 10 states. [2018-12-09 18:46:19,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:46:19,150 INFO L93 Difference]: Finished difference Result 760 states and 975 transitions. [2018-12-09 18:46:19,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 18:46:19,150 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-12-09 18:46:19,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:46:19,153 INFO L225 Difference]: With dead ends: 760 [2018-12-09 18:46:19,153 INFO L226 Difference]: Without dead ends: 564 [2018-12-09 18:46:19,154 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-09 18:46:19,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2018-12-09 18:46:19,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 552. [2018-12-09 18:46:19,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2018-12-09 18:46:19,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 682 transitions. [2018-12-09 18:46:19,196 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 682 transitions. Word has length 57 [2018-12-09 18:46:19,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:46:19,197 INFO L480 AbstractCegarLoop]: Abstraction has 552 states and 682 transitions. [2018-12-09 18:46:19,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 18:46:19,197 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 682 transitions. [2018-12-09 18:46:19,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 18:46:19,200 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:46:19,200 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] [2018-12-09 18:46:19,200 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:46:19,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:46:19,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1681811508, now seen corresponding path program 1 times [2018-12-09 18:46:19,201 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:46:19,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:46:19,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:46:19,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:46:19,202 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:46:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:46:19,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:46:19,261 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:46:19,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 18:46:19,262 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:46:19,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 18:46:19,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 18:46:19,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 18:46:19,263 INFO L87 Difference]: Start difference. First operand 552 states and 682 transitions. Second operand 4 states. [2018-12-09 18:46:19,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:46:19,357 INFO L93 Difference]: Finished difference Result 936 states and 1192 transitions. [2018-12-09 18:46:19,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 18:46:19,358 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-12-09 18:46:19,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:46:19,360 INFO L225 Difference]: With dead ends: 936 [2018-12-09 18:46:19,360 INFO L226 Difference]: Without dead ends: 408 [2018-12-09 18:46:19,362 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 18:46:19,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2018-12-09 18:46:19,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 396. [2018-12-09 18:46:19,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2018-12-09 18:46:19,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 458 transitions. [2018-12-09 18:46:19,383 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 458 transitions. Word has length 61 [2018-12-09 18:46:19,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:46:19,383 INFO L480 AbstractCegarLoop]: Abstraction has 396 states and 458 transitions. [2018-12-09 18:46:19,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 18:46:19,383 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 458 transitions. [2018-12-09 18:46:19,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 18:46:19,384 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:46:19,384 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:46:19,385 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:46:19,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:46:19,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1016950239, now seen corresponding path program 1 times [2018-12-09 18:46:19,385 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:46:19,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:46:19,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:46:19,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:46:19,386 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:46:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:46:19,445 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 18:46:19,445 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:46:19,445 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:46:19,446 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 90 with the following transitions: [2018-12-09 18:46:19,447 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [43], [45], [46], [47], [48], [49], [77], [86], [90], [94], [97], [102], [108], [110], [116], [119], [122], [130], [131], [132], [133], [146], [153], [156], [192], [200], [204], [205], [208], [209], [210], [211], [212], [214], [215], [216], [217], [218], [219], [220], [221], [222], [226], [238], [239], [244], [245], [246], [247], [254], [255], [260], [261], [262] [2018-12-09 18:46:19,471 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:46:19,471 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:46:19,940 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 18:46:19,941 INFO L272 AbstractInterpreter]: Visited 65 different actions 139 times. Merged at 13 different actions 19 times. Never widened. Performed 4981 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4981 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 133 variables. [2018-12-09 18:46:19,945 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:46:19,946 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 18:46:20,143 INFO L227 lantSequenceWeakener]: Weakened 85 states. On average, predicates are now at 98.38% of their original sizes. [2018-12-09 18:46:20,143 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 18:46:20,187 INFO L418 sIntCurrentIteration]: We unified 88 AI predicates to 88 [2018-12-09 18:46:20,187 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 18:46:20,187 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:46:20,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [7] total 16 [2018-12-09 18:46:20,188 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:46:20,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 18:46:20,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 18:46:20,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-12-09 18:46:20,188 INFO L87 Difference]: Start difference. First operand 396 states and 458 transitions. Second operand 11 states. [2018-12-09 18:46:21,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:46:21,132 INFO L93 Difference]: Finished difference Result 705 states and 827 transitions. [2018-12-09 18:46:21,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-09 18:46:21,133 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 89 [2018-12-09 18:46:21,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:46:21,133 INFO L225 Difference]: With dead ends: 705 [2018-12-09 18:46:21,133 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 18:46:21,134 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 98 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=328, Unknown=0, NotChecked=0, Total=420 [2018-12-09 18:46:21,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 18:46:21,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 18:46:21,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 18:46:21,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 18:46:21,135 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2018-12-09 18:46:21,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:46:21,135 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 18:46:21,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 18:46:21,135 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 18:46:21,136 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 18:46:21,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 18:46:21,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:46:21,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:46:21,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:46:21,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:46:21,666 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 27 [2018-12-09 18:46:22,024 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-09 18:46:22,024 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-09 18:46:22,024 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-09 18:46:22,024 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-09 18:46:22,024 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-09 18:46:22,024 INFO L444 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~systemActive~0 1))) (or .cse0 (not (= ~systemActive~0 0))))) [2018-12-09 18:46:22,024 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 817 841) the Hoare annotation is: true [2018-12-09 18:46:22,024 INFO L448 ceAbstractionStarter]: For program point L829(lines 829 835) no Hoare annotation was computed. [2018-12-09 18:46:22,025 INFO L444 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~waterLevel~0 0))) (and (or .cse0 .cse1 (not (= ~systemActive~0 1))) (or .cse0 (not (= ~systemActive~0 0)) .cse1))) [2018-12-09 18:46:22,025 INFO L448 ceAbstractionStarter]: For program point L827-1(line 827) no Hoare annotation was computed. [2018-12-09 18:46:22,025 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 838) no Hoare annotation was computed. [2018-12-09 18:46:22,025 INFO L448 ceAbstractionStarter]: For program point L825-1(lines 817 841) no Hoare annotation was computed. [2018-12-09 18:46:22,025 INFO L451 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2018-12-09 18:46:22,025 INFO L448 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2018-12-09 18:46:22,025 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 817 841) no Hoare annotation was computed. [2018-12-09 18:46:22,025 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 605 627) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 18:46:22,025 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 605 627) no Hoare annotation was computed. [2018-12-09 18:46:22,025 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 605 627) no Hoare annotation was computed. [2018-12-09 18:46:22,025 INFO L444 ceAbstractionStarter]: At program point L617(line 617) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 18:46:22,025 INFO L444 ceAbstractionStarter]: At program point L617-1(line 617) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 18:46:22,025 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 622) no Hoare annotation was computed. [2018-12-09 18:46:22,025 INFO L448 ceAbstractionStarter]: For program point L615-1(lines 615 622) no Hoare annotation was computed. [2018-12-09 18:46:22,025 INFO L448 ceAbstractionStarter]: For program point L613(line 613) no Hoare annotation was computed. [2018-12-09 18:46:22,025 INFO L444 ceAbstractionStarter]: At program point L612(line 612) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 18:46:22,025 INFO L444 ceAbstractionStarter]: At program point L611(line 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 18:46:22,026 INFO L444 ceAbstractionStarter]: At program point L611-1(line 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 18:46:22,026 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 671 677) no Hoare annotation was computed. [2018-12-09 18:46:22,026 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 671 677) the Hoare annotation is: true [2018-12-09 18:46:22,026 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 793 807) no Hoare annotation was computed. [2018-12-09 18:46:22,026 INFO L444 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-09 18:46:22,026 INFO L448 ceAbstractionStarter]: For program point L797(lines 797 803) no Hoare annotation was computed. [2018-12-09 18:46:22,026 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 793 807) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~systemActive~0)| 0)) .cse0 (= ~systemActive~0 0)) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-12-09 18:46:22,026 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 793 807) no Hoare annotation was computed. [2018-12-09 18:46:22,026 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 748 756) no Hoare annotation was computed. [2018-12-09 18:46:22,026 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 748 756) the Hoare annotation is: true [2018-12-09 18:46:22,026 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 748 756) no Hoare annotation was computed. [2018-12-09 18:46:22,026 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-09 18:46:22,026 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-09 18:46:22,026 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 595 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 18:46:22,026 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 595 604) no Hoare annotation was computed. [2018-12-09 18:46:22,026 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 595 604) no Hoare annotation was computed. [2018-12-09 18:46:22,026 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 737 747) the Hoare annotation is: true [2018-12-09 18:46:22,026 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 737 747) no Hoare annotation was computed. [2018-12-09 18:46:22,026 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 737 747) no Hoare annotation was computed. [2018-12-09 18:46:22,027 INFO L451 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-12-09 18:46:22,027 INFO L448 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2018-12-09 18:46:22,027 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 729 736) the Hoare annotation is: true [2018-12-09 18:46:22,027 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 729 736) no Hoare annotation was computed. [2018-12-09 18:46:22,027 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 729 736) no Hoare annotation was computed. [2018-12-09 18:46:22,027 INFO L444 ceAbstractionStarter]: At program point L698(line 698) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 18:46:22,027 INFO L448 ceAbstractionStarter]: For program point L698-1(lines 679 703) no Hoare annotation was computed. [2018-12-09 18:46:22,027 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 679 703) no Hoare annotation was computed. [2018-12-09 18:46:22,027 INFO L444 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 18:46:22,027 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 679 703) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 18:46:22,027 INFO L444 ceAbstractionStarter]: At program point L689(line 689) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 18:46:22,027 INFO L448 ceAbstractionStarter]: For program point L687(lines 687 695) no Hoare annotation was computed. [2018-12-09 18:46:22,027 INFO L444 ceAbstractionStarter]: At program point L685(line 685) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 18:46:22,027 INFO L448 ceAbstractionStarter]: For program point L685-1(line 685) no Hoare annotation was computed. [2018-12-09 18:46:22,027 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 700) no Hoare annotation was computed. [2018-12-09 18:46:22,027 INFO L444 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (and (= ~systemActive~0 0) .cse0 .cse1) (and (= ~systemActive~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-09 18:46:22,027 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 843 910) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 18:46:22,027 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 869) no Hoare annotation was computed. [2018-12-09 18:46:22,027 INFO L448 ceAbstractionStarter]: For program point L863-1(lines 863 869) no Hoare annotation was computed. [2018-12-09 18:46:22,027 INFO L448 ceAbstractionStarter]: For program point L855(lines 855 859) no Hoare annotation was computed. [2018-12-09 18:46:22,028 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 843 910) no Hoare annotation was computed. [2018-12-09 18:46:22,028 INFO L444 ceAbstractionStarter]: At program point L903(lines 852 904) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 18:46:22,028 INFO L444 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 18:46:22,028 INFO L448 ceAbstractionStarter]: For program point L891(lines 891 897) no Hoare annotation was computed. [2018-12-09 18:46:22,028 INFO L444 ceAbstractionStarter]: At program point L891-1(lines 883 898) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) .cse0 .cse1) (and (= ~systemActive~0 0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-09 18:46:22,028 INFO L448 ceAbstractionStarter]: For program point L854(lines 853 902) no Hoare annotation was computed. [2018-12-09 18:46:22,028 INFO L444 ceAbstractionStarter]: At program point L885(line 885) the Hoare annotation is: (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 18:46:22,028 INFO L448 ceAbstractionStarter]: For program point L883(lines 883 898) no Hoare annotation was computed. [2018-12-09 18:46:22,028 INFO L444 ceAbstractionStarter]: At program point L875(line 875) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) .cse0 .cse1) (and (= ~systemActive~0 0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-09 18:46:22,028 INFO L448 ceAbstractionStarter]: For program point L873(lines 873 879) no Hoare annotation was computed. [2018-12-09 18:46:22,028 INFO L448 ceAbstractionStarter]: For program point L873-1(lines 873 879) no Hoare annotation was computed. [2018-12-09 18:46:22,028 INFO L444 ceAbstractionStarter]: At program point L900(lines 853 902) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) .cse0 .cse1) (and (= ~systemActive~0 0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-09 18:46:22,028 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 843 910) no Hoare annotation was computed. [2018-12-09 18:46:22,028 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 18:46:22,028 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-09 18:46:22,028 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 18:46:22,029 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 520 528) the Hoare annotation is: true [2018-12-09 18:46:22,029 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 520 528) no Hoare annotation was computed. [2018-12-09 18:46:22,029 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 520 528) no Hoare annotation was computed. [2018-12-09 18:46:22,029 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 476 487) no Hoare annotation was computed. [2018-12-09 18:46:22,029 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 476 487) the Hoare annotation is: true [2018-12-09 18:46:22,029 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 476 487) no Hoare annotation was computed. [2018-12-09 18:46:22,029 INFO L444 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) (or .cse0 (not (= ~systemActive~0 0))) (or (not (= ~waterLevel~0 0)) .cse0 (= |old(~waterLevel~0)| 0) .cse1))) [2018-12-09 18:46:22,029 INFO L444 ceAbstractionStarter]: At program point L658(lines 658 664) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~waterLevel~0 0))) (.cse7 (= |old(~waterLevel~0)| 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 0))) (.cse1 (= ~waterLevel~0 1)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2) (or .cse0 .cse5 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse6 .cse0 .cse7 .cse2) (or .cse0 .cse5 .cse1 .cse3))) [2018-12-09 18:46:22,029 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 647 670) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~waterLevel~0 0))) (.cse7 (= |old(~waterLevel~0)| 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 0))) (.cse1 (= ~waterLevel~0 1)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2) (or .cse0 .cse5 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse6 .cse0 .cse7 .cse2) (or .cse0 .cse5 .cse1 .cse3))) [2018-12-09 18:46:22,029 INFO L444 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~systemActive~0 1))) (or .cse0 (not (= ~systemActive~0 0))))) [2018-12-09 18:46:22,029 INFO L448 ceAbstractionStarter]: For program point L651(lines 650 669) no Hoare annotation was computed. [2018-12-09 18:46:22,029 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 647 670) no Hoare annotation was computed. [2018-12-09 18:46:22,029 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 647 670) no Hoare annotation was computed. [2018-12-09 18:46:22,029 INFO L451 ceAbstractionStarter]: At program point L546-1(lines 546 550) the Hoare annotation is: true [2018-12-09 18:46:22,029 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 532 561) no Hoare annotation was computed. [2018-12-09 18:46:22,029 INFO L448 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2018-12-09 18:46:22,029 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 532 561) the Hoare annotation is: true [2018-12-09 18:46:22,029 INFO L451 ceAbstractionStarter]: At program point L542-2(lines 542 556) the Hoare annotation is: true [2018-12-09 18:46:22,029 INFO L451 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: true [2018-12-09 18:46:22,030 INFO L448 ceAbstractionStarter]: For program point L538-1(line 538) no Hoare annotation was computed. [2018-12-09 18:46:22,030 INFO L451 ceAbstractionStarter]: At program point L557(lines 532 561) the Hoare annotation is: true [2018-12-09 18:46:22,030 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-09 18:46:22,030 INFO L448 ceAbstractionStarter]: For program point L546(lines 546 550) no Hoare annotation was computed. [2018-12-09 18:46:22,030 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 488 496) the Hoare annotation is: true [2018-12-09 18:46:22,030 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 488 496) no Hoare annotation was computed. [2018-12-09 18:46:22,030 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 488 496) no Hoare annotation was computed. [2018-12-09 18:46:22,030 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 452 463) the Hoare annotation is: true [2018-12-09 18:46:22,030 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 452 463) no Hoare annotation was computed. [2018-12-09 18:46:22,030 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2018-12-09 18:46:22,030 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 587 593) no Hoare annotation was computed. [2018-12-09 18:46:22,030 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 587 593) the Hoare annotation is: true [2018-12-09 18:46:22,030 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 18:46:22,030 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-09 18:46:22,030 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 18:46:22,030 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 18:46:22,030 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 808 815) no Hoare annotation was computed. [2018-12-09 18:46:22,030 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 808 815) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 0)) (= ~systemActive~0 0)) [2018-12-09 18:46:22,030 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 808 815) no Hoare annotation was computed. [2018-12-09 18:46:22,030 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 464 475) no Hoare annotation was computed. [2018-12-09 18:46:22,031 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 464 475) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~waterLevel~0 1)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 (= |old(~waterLevel~0)| 0)) .cse1 (not (= ~waterLevel~0 0))) (or .cse0 .cse2 .cse1 .cse3) (or .cse0 (not (= ~systemActive~0 0)) .cse2 .cse3))) [2018-12-09 18:46:22,031 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 464 475) no Hoare annotation was computed. [2018-12-09 18:46:22,031 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 633) no Hoare annotation was computed. [2018-12-09 18:46:22,031 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 629 636) no Hoare annotation was computed. [2018-12-09 18:46:22,031 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 629 636) the Hoare annotation is: true [2018-12-09 18:46:22,031 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 629 636) no Hoare annotation was computed. [2018-12-09 18:46:22,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:46:22 BoogieIcfgContainer [2018-12-09 18:46:22,038 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 18:46:22,038 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 18:46:22,038 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 18:46:22,038 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 18:46:22,039 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:46:18" (3/4) ... [2018-12-09 18:46:22,040 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 18:46:22,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 18:46:22,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 18:46:22,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-12-09 18:46:22,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 18:46:22,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 18:46:22,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 18:46:22,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 18:46:22,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 18:46:22,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 18:46:22,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 18:46:22,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 18:46:22,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 18:46:22,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 18:46:22,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 18:46:22,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 18:46:22,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 18:46:22,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 18:46:22,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 18:46:22,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 18:46:22,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 18:46:22,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 18:46:22,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 18:46:22,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 18:46:22,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 18:46:22,050 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-09 18:46:22,050 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 18:46:22,051 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 18:46:22,051 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 18:46:22,051 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 18:46:22,051 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 18:46:22,068 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || ((systemActive == 0 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-09 18:46:22,068 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-09 18:46:22,095 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8c90507a-5c85-4170-88c2-6f73e56d7542/bin-2019/utaipan/witness.graphml [2018-12-09 18:46:22,095 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 18:46:22,095 INFO L168 Benchmark]: Toolchain (without parser) took 4569.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 216.5 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -170.8 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. [2018-12-09 18:46:22,096 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:46:22,096 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -115.2 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-09 18:46:22,096 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:46:22,097 INFO L168 Benchmark]: Boogie Preprocessor took 20.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 18:46:22,097 INFO L168 Benchmark]: RCFGBuilder took 292.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2018-12-09 18:46:22,097 INFO L168 Benchmark]: TraceAbstraction took 3915.41 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -111.0 MB). Peak memory consumption was 284.1 MB. Max. memory is 11.5 GB. [2018-12-09 18:46:22,097 INFO L168 Benchmark]: Witness Printer took 56.76 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: 767.7 kB). Peak memory consumption was 767.7 kB. Max. memory is 11.5 GB. [2018-12-09 18:46:22,099 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 262.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -115.2 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 292.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3915.41 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -111.0 MB). Peak memory consumption was 284.1 MB. Max. memory is 11.5 GB. * Witness Printer took 56.76 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: 767.7 kB). Peak memory consumption was 767.7 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 633]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || ((systemActive == 0 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 125 locations, 1 error locations. SAFE Result, 3.8s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 747 SDtfs, 800 SDslu, 1907 SDs, 0 SdLazy, 526 SolverSat, 261 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 150 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=552occurred 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, 0.9965168647484183 AbsIntWeakeningRatio, 1.0795454545454546 AbsIntAvgWeakeningVarsNumRemoved, 85.9090909090909 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 669 PreInvPairs, 721 NumberOfFragments, 843 HoareAnnotationTreeSize, 669 FomulaSimplifications, 1830 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 3251 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 352 NumberOfCodeBlocks, 352 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 346 ConstructedInterpolants, 0 QuantifiedInterpolants, 43640 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 21/24 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...