./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product07_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_238303cc-127b-4a67-8bc0-996426465034/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_238303cc-127b-4a67-8bc0-996426465034/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_238303cc-127b-4a67-8bc0-996426465034/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_238303cc-127b-4a67-8bc0-996426465034/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product07_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_238303cc-127b-4a67-8bc0-996426465034/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_238303cc-127b-4a67-8bc0-996426465034/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 ed47af17a01225db794df6404fe947f085302314 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:59:17,573 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:59:17,575 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:59:17,585 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:59:17,586 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:59:17,586 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:59:17,588 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:59:17,589 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:59:17,591 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:59:17,592 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:59:17,593 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:59:17,593 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:59:17,594 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:59:17,595 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:59:17,596 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:59:17,597 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:59:17,598 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:59:17,600 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:59:17,602 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:59:17,603 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:59:17,605 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:59:17,606 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:59:17,608 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:59:17,609 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:59:17,609 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:59:17,610 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:59:17,610 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:59:17,612 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:59:17,613 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:59:17,614 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:59:17,614 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:59:17,615 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:59:17,615 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:59:17,616 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:59:17,617 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:59:17,617 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:59:17,618 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_238303cc-127b-4a67-8bc0-996426465034/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 21:59:17,630 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:59:17,631 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:59:17,632 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:59:17,632 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 21:59:17,632 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 21:59:17,632 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 21:59:17,633 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 21:59:17,633 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 21:59:17,633 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 21:59:17,633 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 21:59:17,633 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 21:59:17,634 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:59:17,634 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:59:17,635 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:59:17,635 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:59:17,635 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:59:17,636 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:59:17,637 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:59:17,637 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:59:17,637 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:59:17,637 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:59:17,638 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:59:17,638 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:59:17,638 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:59:17,638 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:59:17,638 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:59:17,639 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:59:17,639 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:59:17,639 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:59:17,639 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:59:17,639 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 21:59:17,640 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:59:17,640 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:59:17,640 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 21:59:17,640 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_238303cc-127b-4a67-8bc0-996426465034/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 -> ed47af17a01225db794df6404fe947f085302314 [2018-10-26 21:59:17,671 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:59:17,681 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:59:17,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:59:17,686 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:59:17,686 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:59:17,687 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_238303cc-127b-4a67-8bc0-996426465034/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product07_true-unreach-call_false-termination.cil.c [2018-10-26 21:59:17,734 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_238303cc-127b-4a67-8bc0-996426465034/bin-2019/utaipan/data/093aab7df/928d1fa65fb64fd4934031a71d9380a5/FLAG34e00eca8 [2018-10-26 21:59:18,219 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:59:18,223 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_238303cc-127b-4a67-8bc0-996426465034/sv-benchmarks/c/product-lines/minepump_spec5_product07_true-unreach-call_false-termination.cil.c [2018-10-26 21:59:18,238 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_238303cc-127b-4a67-8bc0-996426465034/bin-2019/utaipan/data/093aab7df/928d1fa65fb64fd4934031a71d9380a5/FLAG34e00eca8 [2018-10-26 21:59:18,254 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_238303cc-127b-4a67-8bc0-996426465034/bin-2019/utaipan/data/093aab7df/928d1fa65fb64fd4934031a71d9380a5 [2018-10-26 21:59:18,258 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:59:18,260 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:59:18,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:59:18,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:59:18,267 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:59:18,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:59:18" (1/1) ... [2018-10-26 21:59:18,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39d51faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:18, skipping insertion in model container [2018-10-26 21:59:18,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:59:18" (1/1) ... [2018-10-26 21:59:18,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:59:18,342 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:59:18,625 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:59:18,639 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:59:18,715 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:59:18,737 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:59:18,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:18 WrapperNode [2018-10-26 21:59:18,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:59:18,738 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:59:18,738 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:59:18,738 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:59:18,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:18" (1/1) ... [2018-10-26 21:59:18,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:18" (1/1) ... [2018-10-26 21:59:18,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:59:18,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:59:18,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:59:18,859 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:59:18,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:18" (1/1) ... [2018-10-26 21:59:18,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:18" (1/1) ... [2018-10-26 21:59:18,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:18" (1/1) ... [2018-10-26 21:59:18,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:18" (1/1) ... [2018-10-26 21:59:18,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:18" (1/1) ... [2018-10-26 21:59:18,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:18" (1/1) ... [2018-10-26 21:59:18,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:18" (1/1) ... [2018-10-26 21:59:18,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:59:18,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:59:18,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:59:18,895 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:59:18,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_238303cc-127b-4a67-8bc0-996426465034/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 [2018-10-26 21:59:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-26 21:59:18,956 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-26 21:59:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 21:59:18,956 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 21:59:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-10-26 21:59:18,956 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-10-26 21:59:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-26 21:59:18,957 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-26 21:59:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-26 21:59:18,957 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-26 21:59:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 21:59:18,957 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 21:59:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-26 21:59:18,957 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-26 21:59:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-10-26 21:59:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-10-26 21:59:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 21:59:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 21:59:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 21:59:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 21:59:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 21:59:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 21:59:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-26 21:59:18,959 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-26 21:59:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 21:59:18,959 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 21:59:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-26 21:59:18,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-26 21:59:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-26 21:59:18,959 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-26 21:59:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-10-26 21:59:18,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-10-26 21:59:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-10-26 21:59:18,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-10-26 21:59:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-10-26 21:59:18,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-10-26 21:59:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-26 21:59:18,960 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-26 21:59:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-26 21:59:18,961 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-26 21:59:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-10-26 21:59:18,961 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-10-26 21:59:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 21:59:18,961 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 21:59:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 21:59:18,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 21:59:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 21:59:18,962 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 21:59:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:59:18,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:59:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-26 21:59:18,962 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-26 21:59:19,917 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:59:19,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:59:19 BoogieIcfgContainer [2018-10-26 21:59:19,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:59:19,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 21:59:19,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 21:59:19,922 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 21:59:19,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:59:18" (1/3) ... [2018-10-26 21:59:19,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de33004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:59:19, skipping insertion in model container [2018-10-26 21:59:19,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:59:18" (2/3) ... [2018-10-26 21:59:19,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de33004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:59:19, skipping insertion in model container [2018-10-26 21:59:19,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:59:19" (3/3) ... [2018-10-26 21:59:19,926 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product07_true-unreach-call_false-termination.cil.c [2018-10-26 21:59:19,935 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 21:59:19,942 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 21:59:19,956 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 21:59:19,983 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 21:59:19,984 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 21:59:19,984 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 21:59:19,984 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 21:59:19,984 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 21:59:19,984 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 21:59:19,984 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 21:59:19,985 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 21:59:20,002 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2018-10-26 21:59:20,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-26 21:59:20,010 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:59:20,011 INFO L375 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] [2018-10-26 21:59:20,013 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:59:20,019 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:59:20,019 INFO L82 PathProgramCache]: Analyzing trace with hash -992010953, now seen corresponding path program 1 times [2018-10-26 21:59:20,021 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:59:20,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:59:20,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:59:20,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:59:20,060 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:59:20,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:59:20,297 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 21:59:20,300 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:59:20,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 21:59:20,301 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:59:20,309 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 21:59:20,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 21:59:20,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 21:59:20,321 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2018-10-26 21:59:20,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:59:20,356 INFO L93 Difference]: Finished difference Result 236 states and 293 transitions. [2018-10-26 21:59:20,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 21:59:20,358 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-10-26 21:59:20,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:59:20,371 INFO L225 Difference]: With dead ends: 236 [2018-10-26 21:59:20,371 INFO L226 Difference]: Without dead ends: 120 [2018-10-26 21:59:20,375 INFO L605 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 [2018-10-26 21:59:20,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-10-26 21:59:20,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-10-26 21:59:20,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-10-26 21:59:20,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2018-10-26 21:59:20,429 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 59 [2018-10-26 21:59:20,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:59:20,430 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2018-10-26 21:59:20,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 21:59:20,430 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2018-10-26 21:59:20,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 21:59:20,434 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:59:20,435 INFO L375 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] [2018-10-26 21:59:20,435 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:59:20,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:59:20,436 INFO L82 PathProgramCache]: Analyzing trace with hash 513106830, now seen corresponding path program 1 times [2018-10-26 21:59:20,436 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:59:20,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:59:20,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:59:20,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:59:20,437 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:59:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:59:20,830 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 21:59:20,831 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:59:20,831 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 21:59:20,832 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:59:20,833 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 21:59:20,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 21:59:20,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 21:59:20,835 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 7 states. [2018-10-26 21:59:21,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:59:21,888 INFO L93 Difference]: Finished difference Result 371 states and 458 transitions. [2018-10-26 21:59:21,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 21:59:21,892 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-10-26 21:59:21,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:59:21,897 INFO L225 Difference]: With dead ends: 371 [2018-10-26 21:59:21,897 INFO L226 Difference]: Without dead ends: 279 [2018-10-26 21:59:21,899 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-26 21:59:21,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2018-10-26 21:59:21,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 271. [2018-10-26 21:59:21,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2018-10-26 21:59:21,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 332 transitions. [2018-10-26 21:59:21,971 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 332 transitions. Word has length 65 [2018-10-26 21:59:21,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:59:21,972 INFO L481 AbstractCegarLoop]: Abstraction has 271 states and 332 transitions. [2018-10-26 21:59:21,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 21:59:21,972 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 332 transitions. [2018-10-26 21:59:21,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-26 21:59:21,975 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:59:21,975 INFO L375 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] [2018-10-26 21:59:21,978 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:59:21,978 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:59:21,979 INFO L82 PathProgramCache]: Analyzing trace with hash 860470711, now seen corresponding path program 1 times [2018-10-26 21:59:21,980 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:59:21,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:59:21,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:59:21,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:59:21,982 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:59:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:59:22,123 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 21:59:22,123 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:59:22,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 21:59:22,124 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:59:22,124 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 21:59:22,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 21:59:22,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:59:22,125 INFO L87 Difference]: Start difference. First operand 271 states and 332 transitions. Second operand 3 states. [2018-10-26 21:59:22,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:59:22,158 INFO L93 Difference]: Finished difference Result 412 states and 494 transitions. [2018-10-26 21:59:22,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 21:59:22,159 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2018-10-26 21:59:22,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:59:22,162 INFO L225 Difference]: With dead ends: 412 [2018-10-26 21:59:22,162 INFO L226 Difference]: Without dead ends: 241 [2018-10-26 21:59:22,164 INFO L605 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 [2018-10-26 21:59:22,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-10-26 21:59:22,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2018-10-26 21:59:22,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-10-26 21:59:22,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 291 transitions. [2018-10-26 21:59:22,194 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 291 transitions. Word has length 69 [2018-10-26 21:59:22,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:59:22,194 INFO L481 AbstractCegarLoop]: Abstraction has 241 states and 291 transitions. [2018-10-26 21:59:22,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 21:59:22,195 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 291 transitions. [2018-10-26 21:59:22,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-26 21:59:22,198 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:59:22,198 INFO L375 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] [2018-10-26 21:59:22,199 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:59:22,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:59:22,199 INFO L82 PathProgramCache]: Analyzing trace with hash 55440796, now seen corresponding path program 1 times [2018-10-26 21:59:22,199 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:59:22,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:59:22,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:59:22,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:59:22,201 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:59:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:59:22,617 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 21:59:22,617 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:59:22,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 21:59:22,617 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:59:22,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 21:59:22,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 21:59:22,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 21:59:22,619 INFO L87 Difference]: Start difference. First operand 241 states and 291 transitions. Second operand 7 states. [2018-10-26 21:59:23,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:59:23,595 INFO L93 Difference]: Finished difference Result 404 states and 505 transitions. [2018-10-26 21:59:23,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 21:59:23,596 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 71 [2018-10-26 21:59:23,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:59:23,598 INFO L225 Difference]: With dead ends: 404 [2018-10-26 21:59:23,598 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 21:59:23,600 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-10-26 21:59:23,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 21:59:23,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 21:59:23,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 21:59:23,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 21:59:23,601 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2018-10-26 21:59:23,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:59:23,601 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 21:59:23,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 21:59:23,601 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 21:59:23,602 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:59:23,607 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 21:59:24,221 WARN L179 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 9 [2018-10-26 21:59:24,576 WARN L179 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-10-26 21:59:24,904 WARN L179 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-10-26 21:59:25,212 WARN L179 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-10-26 21:59:25,677 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 11 [2018-10-26 21:59:25,999 WARN L179 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 7 [2018-10-26 21:59:26,165 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 529 535) the Hoare annotation is: true [2018-10-26 21:59:26,165 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 529 535) no Hoare annotation was computed. [2018-10-26 21:59:26,165 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 536 544) no Hoare annotation was computed. [2018-10-26 21:59:26,165 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 536 544) the Hoare annotation is: true [2018-10-26 21:59:26,166 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 536 544) no Hoare annotation was computed. [2018-10-26 21:59:26,166 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 233 240) the Hoare annotation is: true [2018-10-26 21:59:26,166 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 233 240) no Hoare annotation was computed. [2018-10-26 21:59:26,166 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 233 240) no Hoare annotation was computed. [2018-10-26 21:59:26,166 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 241 250) the Hoare annotation is: true [2018-10-26 21:59:26,166 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 241 250) no Hoare annotation was computed. [2018-10-26 21:59:26,166 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 241 250) no Hoare annotation was computed. [2018-10-26 21:59:26,166 INFO L425 ceAbstractionStarter]: For program point L246(line 246) no Hoare annotation was computed. [2018-10-26 21:59:26,166 INFO L428 ceAbstractionStarter]: At program point L257(line 257) the Hoare annotation is: true [2018-10-26 21:59:26,166 INFO L425 ceAbstractionStarter]: For program point L257-1(line 257) no Hoare annotation was computed. [2018-10-26 21:59:26,167 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 251 279) the Hoare annotation is: true [2018-10-26 21:59:26,167 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 251 279) no Hoare annotation was computed. [2018-10-26 21:59:26,167 INFO L421 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-10-26 21:59:26,167 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 270) no Hoare annotation was computed. [2018-10-26 21:59:26,167 INFO L425 ceAbstractionStarter]: For program point L263(lines 263 273) no Hoare annotation was computed. [2018-10-26 21:59:26,167 INFO L428 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: true [2018-10-26 21:59:26,167 INFO L425 ceAbstractionStarter]: For program point L261-1(line 261) no Hoare annotation was computed. [2018-10-26 21:59:26,167 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 276) no Hoare annotation was computed. [2018-10-26 21:59:26,167 INFO L425 ceAbstractionStarter]: For program point L259-1(lines 251 279) no Hoare annotation was computed. [2018-10-26 21:59:26,168 INFO L421 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 21:59:26,168 INFO L421 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 21:59:26,168 INFO L421 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 21:59:26,168 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 21:59:26,168 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-10-26 21:59:26,168 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-10-26 21:59:26,168 INFO L421 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 21:59:26,168 INFO L421 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 21:59:26,169 INFO L425 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-10-26 21:59:26,169 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-10-26 21:59:26,169 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-26 21:59:26,169 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 486 500) no Hoare annotation was computed. [2018-10-26 21:59:26,169 INFO L421 ceAbstractionStarter]: At program point L492(line 492) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-10-26 21:59:26,169 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 496) no Hoare annotation was computed. [2018-10-26 21:59:26,169 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 486 500) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= 0 ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-10-26 21:59:26,169 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 486 500) no Hoare annotation was computed. [2018-10-26 21:59:26,169 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 441 449) no Hoare annotation was computed. [2018-10-26 21:59:26,170 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 441 449) the Hoare annotation is: true [2018-10-26 21:59:26,170 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 441 449) no Hoare annotation was computed. [2018-10-26 21:59:26,170 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 522 528) no Hoare annotation was computed. [2018-10-26 21:59:26,170 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 522 528) the Hoare annotation is: true [2018-10-26 21:59:26,170 INFO L421 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 21:59:26,170 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 21:59:26,170 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-10-26 21:59:26,170 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-10-26 21:59:26,170 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 430 440) the Hoare annotation is: true [2018-10-26 21:59:26,171 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 430 440) no Hoare annotation was computed. [2018-10-26 21:59:26,171 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 430 440) no Hoare annotation was computed. [2018-10-26 21:59:26,171 INFO L428 ceAbstractionStarter]: At program point L435(line 435) the Hoare annotation is: true [2018-10-26 21:59:26,171 INFO L425 ceAbstractionStarter]: For program point L435-1(line 435) no Hoare annotation was computed. [2018-10-26 21:59:26,171 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 422 429) the Hoare annotation is: true [2018-10-26 21:59:26,171 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 422 429) no Hoare annotation was computed. [2018-10-26 21:59:26,171 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 422 429) no Hoare annotation was computed. [2018-10-26 21:59:26,171 INFO L421 ceAbstractionStarter]: At program point L408(line 408) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-10-26 21:59:26,171 INFO L425 ceAbstractionStarter]: For program point L408-1(lines 389 413) no Hoare annotation was computed. [2018-10-26 21:59:26,171 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 389 413) no Hoare annotation was computed. [2018-10-26 21:59:26,172 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 389 413) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-10-26 21:59:26,172 INFO L421 ceAbstractionStarter]: At program point L403(line 403) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-26 21:59:26,172 INFO L421 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-26 21:59:26,172 INFO L425 ceAbstractionStarter]: For program point L397(lines 397 405) no Hoare annotation was computed. [2018-10-26 21:59:26,172 INFO L421 ceAbstractionStarter]: At program point L395(line 395) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-26 21:59:26,172 INFO L425 ceAbstractionStarter]: For program point L395-1(line 395) no Hoare annotation was computed. [2018-10-26 21:59:26,172 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 410) no Hoare annotation was computed. [2018-10-26 21:59:26,172 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 381 387) no Hoare annotation was computed. [2018-10-26 21:59:26,173 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 381 387) the Hoare annotation is: true [2018-10-26 21:59:26,173 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 282 347) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 21:59:26,173 INFO L421 ceAbstractionStarter]: At program point L314(line 314) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-10-26 21:59:26,173 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 318) no Hoare annotation was computed. [2018-10-26 21:59:26,173 INFO L425 ceAbstractionStarter]: For program point L312-1(lines 312 318) no Hoare annotation was computed. [2018-10-26 21:59:26,173 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 282 347) no Hoare annotation was computed. [2018-10-26 21:59:26,173 INFO L421 ceAbstractionStarter]: At program point L337(lines 292 339) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-10-26 21:59:26,174 INFO L421 ceAbstractionStarter]: At program point L304(line 304) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-10-26 21:59:26,174 INFO L425 ceAbstractionStarter]: For program point L302(lines 302 308) no Hoare annotation was computed. [2018-10-26 21:59:26,174 INFO L425 ceAbstractionStarter]: For program point L302-1(lines 302 308) no Hoare annotation was computed. [2018-10-26 21:59:26,174 INFO L425 ceAbstractionStarter]: For program point L294(lines 294 298) no Hoare annotation was computed. [2018-10-26 21:59:26,174 INFO L425 ceAbstractionStarter]: For program point L292-1(lines 292 339) no Hoare annotation was computed. [2018-10-26 21:59:26,174 INFO L421 ceAbstractionStarter]: At program point L340(lines 291 341) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 21:59:26,174 INFO L421 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-10-26 21:59:26,174 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 334) no Hoare annotation was computed. [2018-10-26 21:59:26,175 INFO L421 ceAbstractionStarter]: At program point L328-1(lines 322 335) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-10-26 21:59:26,175 INFO L425 ceAbstractionStarter]: For program point L293(lines 292 339) no Hoare annotation was computed. [2018-10-26 21:59:26,175 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 282 347) no Hoare annotation was computed. [2018-10-26 21:59:26,175 INFO L425 ceAbstractionStarter]: For program point L322(lines 322 335) no Hoare annotation was computed. [2018-10-26 21:59:26,175 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 21:59:26,175 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-10-26 21:59:26,175 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 21:59:26,175 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 220 228) the Hoare annotation is: true [2018-10-26 21:59:26,175 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 220 228) no Hoare annotation was computed. [2018-10-26 21:59:26,176 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 220 228) no Hoare annotation was computed. [2018-10-26 21:59:26,176 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 176 187) the Hoare annotation is: true [2018-10-26 21:59:26,176 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 176 187) no Hoare annotation was computed. [2018-10-26 21:59:26,176 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 176 187) no Hoare annotation was computed. [2018-10-26 21:59:26,176 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-10-26 21:59:26,176 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-10-26 21:59:26,176 INFO L428 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-10-26 21:59:26,176 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 66) no Hoare annotation was computed. [2018-10-26 21:59:26,176 INFO L428 ceAbstractionStarter]: At program point L52-3(lines 52 66) the Hoare annotation is: true [2018-10-26 21:59:26,177 INFO L428 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-10-26 21:59:26,177 INFO L425 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-10-26 21:59:26,177 INFO L428 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-10-26 21:59:26,177 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-10-26 21:59:26,177 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-10-26 21:59:26,177 INFO L425 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-10-26 21:59:26,177 INFO L421 ceAbstractionStarter]: At program point L370(line 370) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-10-26 21:59:26,177 INFO L421 ceAbstractionStarter]: At program point L368(lines 368 374) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-10-26 21:59:26,178 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 354 380) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-10-26 21:59:26,178 INFO L421 ceAbstractionStarter]: At program point L363(line 363) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-10-26 21:59:26,178 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 354 380) no Hoare annotation was computed. [2018-10-26 21:59:26,178 INFO L425 ceAbstractionStarter]: For program point L361(lines 357 379) no Hoare annotation was computed. [2018-10-26 21:59:26,178 INFO L425 ceAbstractionStarter]: For program point L359(lines 357 379) no Hoare annotation was computed. [2018-10-26 21:59:26,178 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 354 380) no Hoare annotation was computed. [2018-10-26 21:59:26,178 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 188 196) the Hoare annotation is: true [2018-10-26 21:59:26,178 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 188 196) no Hoare annotation was computed. [2018-10-26 21:59:26,178 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 188 196) no Hoare annotation was computed. [2018-10-26 21:59:26,179 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 152 163) the Hoare annotation is: true [2018-10-26 21:59:26,179 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 152 163) no Hoare annotation was computed. [2018-10-26 21:59:26,179 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 152 163) no Hoare annotation was computed. [2018-10-26 21:59:26,179 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 21:59:26,179 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-10-26 21:59:26,179 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 21:59:26,179 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 21:59:26,179 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-10-26 21:59:26,179 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-10-26 21:59:26,180 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 164 175) no Hoare annotation was computed. [2018-10-26 21:59:26,180 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 164 175) no Hoare annotation was computed. [2018-10-26 21:59:26,180 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 164 175) the Hoare annotation is: true [2018-10-26 21:59:26,180 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 502 509) no Hoare annotation was computed. [2018-10-26 21:59:26,180 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed. [2018-10-26 21:59:26,180 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 502 509) the Hoare annotation is: true [2018-10-26 21:59:26,180 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 502 509) no Hoare annotation was computed. [2018-10-26 21:59:26,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 09:59:26 BoogieIcfgContainer [2018-10-26 21:59:26,192 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 21:59:26,193 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:59:26,193 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:59:26,193 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:59:26,193 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:59:19" (3/4) ... [2018-10-26 21:59:26,197 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 21:59:26,204 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-26 21:59:26,204 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-26 21:59:26,204 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-10-26 21:59:26,205 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-10-26 21:59:26,205 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-10-26 21:59:26,205 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 21:59:26,205 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-10-26 21:59:26,205 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-26 21:59:26,205 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-26 21:59:26,205 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-26 21:59:26,205 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-10-26 21:59:26,206 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 21:59:26,206 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-26 21:59:26,206 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 21:59:26,206 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-26 21:59:26,206 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 21:59:26,206 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-10-26 21:59:26,206 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 21:59:26,206 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 21:59:26,206 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 21:59:26,206 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 21:59:26,207 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-26 21:59:26,207 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-26 21:59:26,207 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 21:59:26,208 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-26 21:59:26,217 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 139 nodes and edges [2018-10-26 21:59:26,218 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 21:59:26,218 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-26 21:59:26,250 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) [2018-10-26 21:59:26,251 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-10-26 21:59:26,321 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_238303cc-127b-4a67-8bc0-996426465034/bin-2019/utaipan/witness.graphml [2018-10-26 21:59:26,321 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:59:26,322 INFO L168 Benchmark]: Toolchain (without parser) took 8063.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 955.8 MB in the beginning and 989.2 MB in the end (delta: -33.4 MB). Peak memory consumption was 109.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:59:26,323 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:59:26,324 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.95 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 931.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:59:26,324 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 931.6 MB in the beginning and 1.1 GB in the end (delta: -208.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-10-26 21:59:26,325 INFO L168 Benchmark]: Boogie Preprocessor took 35.87 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:59:26,325 INFO L168 Benchmark]: RCFGBuilder took 1023.01 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: 85.5 MB). Peak memory consumption was 85.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:59:26,326 INFO L168 Benchmark]: TraceAbstraction took 6273.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1000.0 MB in the end (delta: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:59:26,326 INFO L168 Benchmark]: Witness Printer took 128.64 ms. Allocated memory is still 1.2 GB. Free memory was 1000.0 MB in the beginning and 989.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-10-26 21:59:26,331 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 476.95 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 931.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 120.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 931.6 MB in the beginning and 1.1 GB in the end (delta: -208.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.87 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1023.01 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: 85.5 MB). Peak memory consumption was 85.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6273.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1000.0 MB in the end (delta: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. * Witness Printer took 128.64 ms. Allocated memory is still 1.2 GB. Free memory was 1000.0 MB in the beginning and 989.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 506]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 133 locations, 1 error locations. SAFE Result, 6.2s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 2.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 529 SDtfs, 325 SDslu, 843 SDs, 0 SdLazy, 400 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=271occurred in iteration=2, 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 335 PreInvPairs, 361 NumberOfFragments, 395 HoareAnnotationTreeSize, 335 FomulaSimplifications, 152 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 55 FomulaSimplificationsInter, 856 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 264 NumberOfCodeBlocks, 264 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 260 ConstructedInterpolants, 0 QuantifiedInterpolants, 28276 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...