./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product13_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_709f4b3a-38c3-4e3c-ae92-01d7b9cd97e0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_709f4b3a-38c3-4e3c-ae92-01d7b9cd97e0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_709f4b3a-38c3-4e3c-ae92-01d7b9cd97e0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_709f4b3a-38c3-4e3c-ae92-01d7b9cd97e0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product13_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_709f4b3a-38c3-4e3c-ae92-01d7b9cd97e0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_709f4b3a-38c3-4e3c-ae92-01d7b9cd97e0/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 c0d9e585f0bc6d8da3f07d21418c982bbec5d957 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 22:13:26,715 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 22:13:26,716 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 22:13:26,722 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 22:13:26,723 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 22:13:26,723 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 22:13:26,724 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 22:13:26,725 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 22:13:26,726 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 22:13:26,726 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 22:13:26,726 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 22:13:26,727 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 22:13:26,727 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 22:13:26,728 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 22:13:26,728 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 22:13:26,728 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 22:13:26,729 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 22:13:26,730 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 22:13:26,731 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 22:13:26,732 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 22:13:26,732 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 22:13:26,733 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 22:13:26,734 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 22:13:26,734 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 22:13:26,734 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 22:13:26,735 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 22:13:26,735 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 22:13:26,736 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 22:13:26,736 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 22:13:26,737 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 22:13:26,737 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 22:13:26,737 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 22:13:26,737 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 22:13:26,737 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 22:13:26,738 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 22:13:26,738 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 22:13:26,738 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_709f4b3a-38c3-4e3c-ae92-01d7b9cd97e0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 22:13:26,746 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 22:13:26,746 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 22:13:26,746 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 22:13:26,746 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 22:13:26,746 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 22:13:26,747 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 22:13:26,747 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 22:13:26,747 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 22:13:26,747 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 22:13:26,747 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 22:13:26,747 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 22:13:26,747 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 22:13:26,747 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 22:13:26,747 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 22:13:26,748 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 22:13:26,748 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 22:13:26,748 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 22:13:26,748 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 22:13:26,748 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 22:13:26,748 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 22:13:26,748 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 22:13:26,748 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 22:13:26,748 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 22:13:26,748 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 22:13:26,748 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 22:13:26,748 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 22:13:26,749 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 22:13:26,749 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 22:13:26,749 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 22:13:26,749 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 22:13:26,749 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 22:13:26,749 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 22:13:26,749 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 22:13:26,749 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 22:13:26,749 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 22:13:26,749 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 22:13:26,749 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_709f4b3a-38c3-4e3c-ae92-01d7b9cd97e0/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 -> c0d9e585f0bc6d8da3f07d21418c982bbec5d957 [2018-12-08 22:13:26,767 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 22:13:26,774 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 22:13:26,776 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 22:13:26,777 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 22:13:26,777 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 22:13:26,777 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_709f4b3a-38c3-4e3c-ae92-01d7b9cd97e0/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product13_true-unreach-call_false-termination.cil.c [2018-12-08 22:13:26,815 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_709f4b3a-38c3-4e3c-ae92-01d7b9cd97e0/bin-2019/utaipan/data/033ee64a6/f99918af5bb3420387a3016239ade522/FLAG86f641ab7 [2018-12-08 22:13:27,271 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 22:13:27,272 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_709f4b3a-38c3-4e3c-ae92-01d7b9cd97e0/sv-benchmarks/c/product-lines/minepump_spec5_product13_true-unreach-call_false-termination.cil.c [2018-12-08 22:13:27,278 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_709f4b3a-38c3-4e3c-ae92-01d7b9cd97e0/bin-2019/utaipan/data/033ee64a6/f99918af5bb3420387a3016239ade522/FLAG86f641ab7 [2018-12-08 22:13:27,285 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_709f4b3a-38c3-4e3c-ae92-01d7b9cd97e0/bin-2019/utaipan/data/033ee64a6/f99918af5bb3420387a3016239ade522 [2018-12-08 22:13:27,287 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 22:13:27,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 22:13:27,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 22:13:27,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 22:13:27,291 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 22:13:27,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:13:27" (1/1) ... [2018-12-08 22:13:27,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:27, skipping insertion in model container [2018-12-08 22:13:27,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:13:27" (1/1) ... [2018-12-08 22:13:27,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 22:13:27,320 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 22:13:27,474 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:13:27,514 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 22:13:27,552 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:13:27,567 INFO L195 MainTranslator]: Completed translation [2018-12-08 22:13:27,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:27 WrapperNode [2018-12-08 22:13:27,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 22:13:27,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 22:13:27,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 22:13:27,568 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 22:13:27,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:27" (1/1) ... [2018-12-08 22:13:27,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:27" (1/1) ... [2018-12-08 22:13:27,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 22:13:27,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 22:13:27,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 22:13:27,587 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 22:13:27,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:27" (1/1) ... [2018-12-08 22:13:27,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:27" (1/1) ... [2018-12-08 22:13:27,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:27" (1/1) ... [2018-12-08 22:13:27,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:27" (1/1) ... [2018-12-08 22:13:27,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:27" (1/1) ... [2018-12-08 22:13:27,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:27" (1/1) ... [2018-12-08 22:13:27,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:27" (1/1) ... [2018-12-08 22:13:27,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 22:13:27,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 22:13:27,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 22:13:27,607 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 22:13:27,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_709f4b3a-38c3-4e3c-ae92-01d7b9cd97e0/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 [2018-12-08 22:13:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 22:13:27,639 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 22:13:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 22:13:27,639 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 22:13:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 22:13:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 22:13:27,639 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 22:13:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 22:13:27,639 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 22:13:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 22:13:27,639 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 22:13:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 22:13:27,639 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 22:13:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 22:13:27,640 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 22:13:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 22:13:27,640 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 22:13:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 22:13:27,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 22:13:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 22:13:27,640 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 22:13:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 22:13:27,640 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 22:13:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 22:13:27,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 22:13:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 22:13:27,640 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 22:13:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-08 22:13:27,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-08 22:13:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-08 22:13:27,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-08 22:13:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-08 22:13:27,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-08 22:13:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 22:13:27,641 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 22:13:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 22:13:27,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 22:13:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 22:13:27,641 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 22:13:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 22:13:27,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 22:13:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 22:13:27,641 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 22:13:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 22:13:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 22:13:27,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 22:13:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 22:13:27,642 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 22:13:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 22:13:27,642 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 22:13:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 22:13:27,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 22:13:27,892 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 22:13:27,892 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 22:13:27,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:13:27 BoogieIcfgContainer [2018-12-08 22:13:27,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 22:13:27,893 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 22:13:27,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 22:13:27,895 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 22:13:27,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 10:13:27" (1/3) ... [2018-12-08 22:13:27,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76816e3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:13:27, skipping insertion in model container [2018-12-08 22:13:27,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:27" (2/3) ... [2018-12-08 22:13:27,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76816e3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:13:27, skipping insertion in model container [2018-12-08 22:13:27,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:13:27" (3/3) ... [2018-12-08 22:13:27,897 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product13_true-unreach-call_false-termination.cil.c [2018-12-08 22:13:27,903 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 22:13:27,908 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 22:13:27,917 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 22:13:27,935 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 22:13:27,935 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 22:13:27,936 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 22:13:27,936 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 22:13:27,936 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 22:13:27,936 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 22:13:27,936 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 22:13:27,936 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 22:13:27,947 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2018-12-08 22:13:27,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 22:13:27,952 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:13:27,953 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:13:27,954 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:13:27,957 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:13:27,957 INFO L82 PathProgramCache]: Analyzing trace with hash -854019340, now seen corresponding path program 1 times [2018-12-08 22:13:27,959 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:13:27,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:13:27,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:13:27,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:13:27,986 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:13:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:28,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:13:28,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:13:28,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 22:13:28,103 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:13:28,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 22:13:28,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 22:13:28,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 22:13:28,115 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2018-12-08 22:13:28,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:13:28,135 INFO L93 Difference]: Finished difference Result 220 states and 273 transitions. [2018-12-08 22:13:28,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 22:13:28,136 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-08 22:13:28,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:13:28,143 INFO L225 Difference]: With dead ends: 220 [2018-12-08 22:13:28,143 INFO L226 Difference]: Without dead ends: 112 [2018-12-08 22:13:28,145 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 [2018-12-08 22:13:28,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-12-08 22:13:28,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-12-08 22:13:28,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-12-08 22:13:28,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2018-12-08 22:13:28,175 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 59 [2018-12-08 22:13:28,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:13:28,175 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2018-12-08 22:13:28,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 22:13:28,176 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2018-12-08 22:13:28,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 22:13:28,177 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:13:28,177 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:13:28,178 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:13:28,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:13:28,178 INFO L82 PathProgramCache]: Analyzing trace with hash -657027675, now seen corresponding path program 1 times [2018-12-08 22:13:28,178 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:13:28,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:13:28,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:13:28,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:13:28,179 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:13:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:28,235 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:13:28,236 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:13:28,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 22:13:28,236 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:13:28,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 22:13:28,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 22:13:28,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 22:13:28,237 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 3 states. [2018-12-08 22:13:28,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:13:28,248 INFO L93 Difference]: Finished difference Result 169 states and 195 transitions. [2018-12-08 22:13:28,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 22:13:28,249 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-08 22:13:28,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:13:28,250 INFO L225 Difference]: With dead ends: 169 [2018-12-08 22:13:28,250 INFO L226 Difference]: Without dead ends: 103 [2018-12-08 22:13:28,250 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 [2018-12-08 22:13:28,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-12-08 22:13:28,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-12-08 22:13:28,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-12-08 22:13:28,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2018-12-08 22:13:28,257 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 60 [2018-12-08 22:13:28,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:13:28,257 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2018-12-08 22:13:28,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 22:13:28,257 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2018-12-08 22:13:28,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-08 22:13:28,258 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:13:28,258 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:13:28,259 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:13:28,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:13:28,259 INFO L82 PathProgramCache]: Analyzing trace with hash -35751499, now seen corresponding path program 1 times [2018-12-08 22:13:28,259 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:13:28,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:13:28,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:13:28,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:13:28,260 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:13:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:28,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:13:28,331 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:13:28,331 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 22:13:28,331 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:13:28,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 22:13:28,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 22:13:28,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 22:13:28,332 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand 7 states. [2018-12-08 22:13:28,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:13:28,492 INFO L93 Difference]: Finished difference Result 178 states and 209 transitions. [2018-12-08 22:13:28,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 22:13:28,493 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-12-08 22:13:28,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:13:28,494 INFO L225 Difference]: With dead ends: 178 [2018-12-08 22:13:28,494 INFO L226 Difference]: Without dead ends: 103 [2018-12-08 22:13:28,495 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 22:13:28,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-12-08 22:13:28,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-12-08 22:13:28,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-12-08 22:13:28,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 117 transitions. [2018-12-08 22:13:28,502 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 117 transitions. Word has length 64 [2018-12-08 22:13:28,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:13:28,503 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 117 transitions. [2018-12-08 22:13:28,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 22:13:28,503 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 117 transitions. [2018-12-08 22:13:28,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-08 22:13:28,504 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:13:28,504 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:13:28,505 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:13:28,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:13:28,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1930134360, now seen corresponding path program 1 times [2018-12-08 22:13:28,505 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:13:28,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:13:28,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:13:28,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:13:28,506 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:13:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:28,574 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 22:13:28,574 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:13:28,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 22:13:28,575 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:13:28,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 22:13:28,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 22:13:28,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 22:13:28,575 INFO L87 Difference]: Start difference. First operand 103 states and 117 transitions. Second operand 7 states. [2018-12-08 22:13:28,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:13:28,754 INFO L93 Difference]: Finished difference Result 156 states and 184 transitions. [2018-12-08 22:13:28,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 22:13:28,755 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2018-12-08 22:13:28,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:13:28,755 INFO L225 Difference]: With dead ends: 156 [2018-12-08 22:13:28,755 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 22:13:28,756 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-12-08 22:13:28,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 22:13:28,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 22:13:28,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 22:13:28,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 22:13:28,756 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2018-12-08 22:13:28,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:13:28,757 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 22:13:28,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 22:13:28,757 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 22:13:28,757 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 22:13:28,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 22:13:29,033 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-08 22:13:29,033 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-08 22:13:29,033 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-08 22:13:29,033 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-08 22:13:29,033 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-08 22:13:29,033 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 448 455) the Hoare annotation is: true [2018-12-08 22:13:29,033 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 448 455) no Hoare annotation was computed. [2018-12-08 22:13:29,033 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 448 455) no Hoare annotation was computed. [2018-12-08 22:13:29,033 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 456 465) the Hoare annotation is: true [2018-12-08 22:13:29,033 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-08 22:13:29,033 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 456 465) no Hoare annotation was computed. [2018-12-08 22:13:29,033 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 456 465) no Hoare annotation was computed. [2018-12-08 22:13:29,034 INFO L444 ceAbstractionStarter]: At program point L481(line 481) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-12-08 22:13:29,034 INFO L448 ceAbstractionStarter]: For program point L479(lines 479 485) no Hoare annotation was computed. [2018-12-08 22:13:29,034 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 488) no Hoare annotation was computed. [2018-12-08 22:13:29,034 INFO L451 ceAbstractionStarter]: At program point L476(line 476) the Hoare annotation is: true [2018-12-08 22:13:29,034 INFO L448 ceAbstractionStarter]: For program point L476-1(line 476) no Hoare annotation was computed. [2018-12-08 22:13:29,034 INFO L448 ceAbstractionStarter]: For program point L474(lines 474 491) no Hoare annotation was computed. [2018-12-08 22:13:29,034 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 466 494) no Hoare annotation was computed. [2018-12-08 22:13:29,034 INFO L451 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: true [2018-12-08 22:13:29,034 INFO L448 ceAbstractionStarter]: For program point L472-1(line 472) no Hoare annotation was computed. [2018-12-08 22:13:29,034 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 466 494) the Hoare annotation is: true [2018-12-08 22:13:29,034 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 466 494) no Hoare annotation was computed. [2018-12-08 22:13:29,034 INFO L444 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 22:13:29,034 INFO L444 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 22:13:29,035 INFO L444 ceAbstractionStarter]: At program point L672-1(line 672) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 22:13:29,035 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 666 688) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 22:13:29,035 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 666 688) no Hoare annotation was computed. [2018-12-08 22:13:29,035 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 666 688) no Hoare annotation was computed. [2018-12-08 22:13:29,035 INFO L444 ceAbstractionStarter]: At program point L678(line 678) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0))) [2018-12-08 22:13:29,035 INFO L444 ceAbstractionStarter]: At program point L678-1(line 678) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0))) [2018-12-08 22:13:29,035 INFO L448 ceAbstractionStarter]: For program point L676(lines 676 683) no Hoare annotation was computed. [2018-12-08 22:13:29,035 INFO L448 ceAbstractionStarter]: For program point L676-1(lines 676 683) no Hoare annotation was computed. [2018-12-08 22:13:29,035 INFO L448 ceAbstractionStarter]: For program point L674(line 674) no Hoare annotation was computed. [2018-12-08 22:13:29,035 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 722 728) no Hoare annotation was computed. [2018-12-08 22:13:29,035 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 722 728) the Hoare annotation is: true [2018-12-08 22:13:29,035 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 799 807) no Hoare annotation was computed. [2018-12-08 22:13:29,035 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 799 807) the Hoare annotation is: true [2018-12-08 22:13:29,036 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 799 807) no Hoare annotation was computed. [2018-12-08 22:13:29,036 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-08 22:13:29,036 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-08 22:13:29,036 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 655 665) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 22:13:29,036 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 655 665) no Hoare annotation was computed. [2018-12-08 22:13:29,036 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 655 665) no Hoare annotation was computed. [2018-12-08 22:13:29,036 INFO L444 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 22:13:29,036 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 788 798) the Hoare annotation is: true [2018-12-08 22:13:29,036 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 788 798) no Hoare annotation was computed. [2018-12-08 22:13:29,036 INFO L451 ceAbstractionStarter]: At program point L793(line 793) the Hoare annotation is: true [2018-12-08 22:13:29,036 INFO L448 ceAbstractionStarter]: For program point L793-1(line 793) no Hoare annotation was computed. [2018-12-08 22:13:29,036 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 788 798) no Hoare annotation was computed. [2018-12-08 22:13:29,036 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 780 787) the Hoare annotation is: true [2018-12-08 22:13:29,036 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 780 787) no Hoare annotation was computed. [2018-12-08 22:13:29,036 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 780 787) no Hoare annotation was computed. [2018-12-08 22:13:29,037 INFO L444 ceAbstractionStarter]: At program point L736(line 736) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-08 22:13:29,037 INFO L448 ceAbstractionStarter]: For program point L736-1(line 736) no Hoare annotation was computed. [2018-12-08 22:13:29,037 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 751) no Hoare annotation was computed. [2018-12-08 22:13:29,037 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 730 754) no Hoare annotation was computed. [2018-12-08 22:13:29,037 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 730 754) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 22:13:29,037 INFO L444 ceAbstractionStarter]: At program point L749(line 749) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 22:13:29,037 INFO L448 ceAbstractionStarter]: For program point L749-1(lines 730 754) no Hoare annotation was computed. [2018-12-08 22:13:29,037 INFO L444 ceAbstractionStarter]: At program point L744(line 744) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-08 22:13:29,037 INFO L444 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-08 22:13:29,037 INFO L448 ceAbstractionStarter]: For program point L738(lines 738 746) no Hoare annotation was computed. [2018-12-08 22:13:29,037 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 871) no Hoare annotation was computed. [2018-12-08 22:13:29,037 INFO L448 ceAbstractionStarter]: For program point L865-1(lines 865 871) no Hoare annotation was computed. [2018-12-08 22:13:29,037 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 845 908) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 22:13:29,038 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 861) no Hoare annotation was computed. [2018-12-08 22:13:29,038 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 845 908) no Hoare annotation was computed. [2018-12-08 22:13:29,038 INFO L444 ceAbstractionStarter]: At program point L901(lines 854 902) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-08 22:13:29,038 INFO L448 ceAbstractionStarter]: For program point L891(lines 891 895) no Hoare annotation was computed. [2018-12-08 22:13:29,038 INFO L444 ceAbstractionStarter]: At program point L891-2(lines 885 896) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1))) [2018-12-08 22:13:29,038 INFO L448 ceAbstractionStarter]: For program point L856(lines 855 900) no Hoare annotation was computed. [2018-12-08 22:13:29,038 INFO L448 ceAbstractionStarter]: For program point L885(lines 885 896) no Hoare annotation was computed. [2018-12-08 22:13:29,038 INFO L444 ceAbstractionStarter]: At program point L877(line 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1))) [2018-12-08 22:13:29,038 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 881) no Hoare annotation was computed. [2018-12-08 22:13:29,038 INFO L448 ceAbstractionStarter]: For program point L875-1(lines 875 881) no Hoare annotation was computed. [2018-12-08 22:13:29,038 INFO L444 ceAbstractionStarter]: At program point L867(line 867) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1))) [2018-12-08 22:13:29,038 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 845 908) no Hoare annotation was computed. [2018-12-08 22:13:29,038 INFO L444 ceAbstractionStarter]: At program point L898(lines 855 900) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1))) [2018-12-08 22:13:29,038 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 22:13:29,039 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-12-08 22:13:29,039 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 22:13:29,039 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 571 579) the Hoare annotation is: true [2018-12-08 22:13:29,039 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 571 579) no Hoare annotation was computed. [2018-12-08 22:13:29,039 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 571 579) no Hoare annotation was computed. [2018-12-08 22:13:29,039 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 527 538) the Hoare annotation is: true [2018-12-08 22:13:29,039 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 527 538) no Hoare annotation was computed. [2018-12-08 22:13:29,039 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 527 538) no Hoare annotation was computed. [2018-12-08 22:13:29,039 INFO L444 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-08 22:13:29,039 INFO L448 ceAbstractionStarter]: For program point L702(lines 698 720) no Hoare annotation was computed. [2018-12-08 22:13:29,039 INFO L448 ceAbstractionStarter]: For program point L700(lines 698 720) no Hoare annotation was computed. [2018-12-08 22:13:29,039 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 695 721) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 22:13:29,039 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 695 721) no Hoare annotation was computed. [2018-12-08 22:13:29,039 INFO L444 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 22:13:29,039 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 695 721) no Hoare annotation was computed. [2018-12-08 22:13:29,040 INFO L444 ceAbstractionStarter]: At program point L709(lines 709 715) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 22:13:29,040 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 592 621) no Hoare annotation was computed. [2018-12-08 22:13:29,040 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 610) no Hoare annotation was computed. [2018-12-08 22:13:29,040 INFO L451 ceAbstractionStarter]: At program point L606-1(lines 606 610) the Hoare annotation is: true [2018-12-08 22:13:29,040 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 592 621) the Hoare annotation is: true [2018-12-08 22:13:29,040 INFO L448 ceAbstractionStarter]: For program point L603(line 603) no Hoare annotation was computed. [2018-12-08 22:13:29,040 INFO L451 ceAbstractionStarter]: At program point L602-2(lines 602 616) the Hoare annotation is: true [2018-12-08 22:13:29,040 INFO L451 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: true [2018-12-08 22:13:29,040 INFO L448 ceAbstractionStarter]: For program point L598-1(line 598) no Hoare annotation was computed. [2018-12-08 22:13:29,040 INFO L451 ceAbstractionStarter]: At program point L617(lines 592 621) the Hoare annotation is: true [2018-12-08 22:13:29,040 INFO L448 ceAbstractionStarter]: For program point L613(line 613) no Hoare annotation was computed. [2018-12-08 22:13:29,040 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 539 547) the Hoare annotation is: true [2018-12-08 22:13:29,040 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 539 547) no Hoare annotation was computed. [2018-12-08 22:13:29,040 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 539 547) no Hoare annotation was computed. [2018-12-08 22:13:29,040 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 503 514) the Hoare annotation is: true [2018-12-08 22:13:29,040 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 503 514) no Hoare annotation was computed. [2018-12-08 22:13:29,041 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 503 514) no Hoare annotation was computed. [2018-12-08 22:13:29,041 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 647 653) no Hoare annotation was computed. [2018-12-08 22:13:29,041 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 647 653) the Hoare annotation is: true [2018-12-08 22:13:29,041 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 22:13:29,041 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-08 22:13:29,041 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 22:13:29,041 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 22:13:29,041 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 515 526) no Hoare annotation was computed. [2018-12-08 22:13:29,041 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 515 526) no Hoare annotation was computed. [2018-12-08 22:13:29,041 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 515 526) the Hoare annotation is: true [2018-12-08 22:13:29,041 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 581 588) no Hoare annotation was computed. [2018-12-08 22:13:29,041 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 581 588) the Hoare annotation is: true [2018-12-08 22:13:29,041 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 581 588) no Hoare annotation was computed. [2018-12-08 22:13:29,041 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 585) no Hoare annotation was computed. [2018-12-08 22:13:29,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 10:13:29 BoogieIcfgContainer [2018-12-08 22:13:29,048 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 22:13:29,049 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 22:13:29,049 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 22:13:29,049 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 22:13:29,049 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:13:27" (3/4) ... [2018-12-08 22:13:29,051 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 22:13:29,055 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 22:13:29,055 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 22:13:29,055 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-08 22:13:29,055 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-08 22:13:29,055 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-08 22:13:29,055 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 22:13:29,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-08 22:13:29,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 22:13:29,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 22:13:29,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 22:13:29,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 22:13:29,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 22:13:29,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 22:13:29,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 22:13:29,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 22:13:29,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-08 22:13:29,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 22:13:29,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 22:13:29,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 22:13:29,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 22:13:29,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 22:13:29,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 22:13:29,057 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 22:13:29,057 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 22:13:29,061 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-08 22:13:29,061 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-08 22:13:29,061 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-08 22:13:29,062 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 22:13:29,062 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 22:13:29,062 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 22:13:29,079 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(systemActive == 1) [2018-12-08 22:13:29,079 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(systemActive == 1) [2018-12-08 22:13:29,102 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_709f4b3a-38c3-4e3c-ae92-01d7b9cd97e0/bin-2019/utaipan/witness.graphml [2018-12-08 22:13:29,102 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 22:13:29,103 INFO L168 Benchmark]: Toolchain (without parser) took 1815.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.0 MB in the beginning and 825.8 MB in the end (delta: 130.2 MB). Peak memory consumption was 271.8 MB. Max. memory is 11.5 GB. [2018-12-08 22:13:29,104 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-12-08 22:13:29,104 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-08 22:13:29,104 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:13:29,104 INFO L168 Benchmark]: Boogie Preprocessor took 20.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:13:29,104 INFO L168 Benchmark]: RCFGBuilder took 285.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 11.5 GB. [2018-12-08 22:13:29,105 INFO L168 Benchmark]: TraceAbstraction took 1155.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 832.5 MB in the end (delta: 245.3 MB). Peak memory consumption was 245.3 MB. Max. memory is 11.5 GB. [2018-12-08 22:13:29,105 INFO L168 Benchmark]: Witness Printer took 53.96 ms. Allocated memory is still 1.2 GB. Free memory was 832.5 MB in the beginning and 825.8 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-08 22:13:29,106 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 278.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 285.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1155.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 832.5 MB in the end (delta: 245.3 MB). Peak memory consumption was 245.3 MB. Max. memory is 11.5 GB. * Witness Printer took 53.96 ms. Allocated memory is still 1.2 GB. Free memory was 832.5 MB in the beginning and 825.8 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 585]: 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: 855]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(systemActive == 1) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(systemActive == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 125 locations, 1 error locations. SAFE Result, 1.1s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 440 SDtfs, 200 SDslu, 460 SDs, 0 SdLazy, 279 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 170 PreInvPairs, 177 NumberOfFragments, 330 HoareAnnotationTreeSize, 170 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 52 FomulaSimplificationsInter, 372 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 255 NumberOfCodeBlocks, 255 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 251 ConstructedInterpolants, 0 QuantifiedInterpolants, 26654 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...