./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product23_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d3a4c517-e202-4147-9bcf-339c6da27fb0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d3a4c517-e202-4147-9bcf-339c6da27fb0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d3a4c517-e202-4147-9bcf-339c6da27fb0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d3a4c517-e202-4147-9bcf-339c6da27fb0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product23_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d3a4c517-e202-4147-9bcf-339c6da27fb0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d3a4c517-e202-4147-9bcf-339c6da27fb0/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 04a2c328d9e0793c06665765e370a46edcd58ae6 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:15:02,556 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:15:02,557 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:15:02,565 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:15:02,565 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:15:02,566 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:15:02,567 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:15:02,568 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:15:02,569 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:15:02,570 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:15:02,570 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:15:02,570 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:15:02,571 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:15:02,572 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:15:02,573 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:15:02,573 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:15:02,574 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:15:02,575 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:15:02,576 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:15:02,578 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:15:02,578 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:15:02,580 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:15:02,581 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:15:02,582 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:15:02,582 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:15:02,583 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:15:02,583 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:15:02,584 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:15:02,585 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:15:02,585 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:15:02,586 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:15:02,586 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:15:02,586 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:15:02,586 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:15:02,587 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:15:02,587 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:15:02,588 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d3a4c517-e202-4147-9bcf-339c6da27fb0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:15:02,598 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:15:02,598 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:15:02,599 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:15:02,599 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:15:02,599 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:15:02,599 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:15:02,599 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:15:02,599 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:15:02,599 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:15:02,600 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:15:02,600 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:15:02,600 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:15:02,600 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:15:02,600 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:15:02,601 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:15:02,601 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:15:02,601 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:15:02,601 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:15:02,601 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:15:02,601 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:15:02,601 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:15:02,602 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:15:02,602 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:15:02,602 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:15:02,602 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:15:02,602 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:15:02,602 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:15:02,602 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:15:02,603 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:15:02,603 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:15:02,603 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:15:02,603 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:15:02,603 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:15:02,603 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:15:02,603 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:15:02,603 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:15:02,603 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:15:02,604 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_d3a4c517-e202-4147-9bcf-339c6da27fb0/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 -> 04a2c328d9e0793c06665765e370a46edcd58ae6 [2018-11-18 11:15:02,627 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:15:02,635 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:15:02,637 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:15:02,638 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:15:02,638 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:15:02,639 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d3a4c517-e202-4147-9bcf-339c6da27fb0/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product23_true-unreach-call_false-termination.cil.c [2018-11-18 11:15:02,676 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3a4c517-e202-4147-9bcf-339c6da27fb0/bin-2019/utaipan/data/fd7b2d8bc/84d8272d4c444e14bf3fdb104289c88b/FLAGf3d094843 [2018-11-18 11:15:03,048 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:15:03,049 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d3a4c517-e202-4147-9bcf-339c6da27fb0/sv-benchmarks/c/product-lines/minepump_spec2_product23_true-unreach-call_false-termination.cil.c [2018-11-18 11:15:03,058 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3a4c517-e202-4147-9bcf-339c6da27fb0/bin-2019/utaipan/data/fd7b2d8bc/84d8272d4c444e14bf3fdb104289c88b/FLAGf3d094843 [2018-11-18 11:15:03,438 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d3a4c517-e202-4147-9bcf-339c6da27fb0/bin-2019/utaipan/data/fd7b2d8bc/84d8272d4c444e14bf3fdb104289c88b [2018-11-18 11:15:03,440 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:15:03,441 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:15:03,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:15:03,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:15:03,443 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:15:03,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:15:03" (1/1) ... [2018-11-18 11:15:03,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f938bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:15:03, skipping insertion in model container [2018-11-18 11:15:03,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:15:03" (1/1) ... [2018-11-18 11:15:03,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:15:03,483 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:15:03,676 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:15:03,685 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:15:03,808 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:15:03,832 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:15:03,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:15:03 WrapperNode [2018-11-18 11:15:03,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:15:03,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:15:03,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:15:03,834 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:15:03,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:15:03" (1/1) ... [2018-11-18 11:15:03,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:15:03" (1/1) ... [2018-11-18 11:15:03,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:15:03,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:15:03,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:15:03,862 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:15:03,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:15:03" (1/1) ... [2018-11-18 11:15:03,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:15:03" (1/1) ... [2018-11-18 11:15:03,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:15:03" (1/1) ... [2018-11-18 11:15:03,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:15:03" (1/1) ... [2018-11-18 11:15:03,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:15:03" (1/1) ... [2018-11-18 11:15:03,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:15:03" (1/1) ... [2018-11-18 11:15:03,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:15:03" (1/1) ... [2018-11-18 11:15:03,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:15:03,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:15:03,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:15:03,890 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:15:03,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:15:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d3a4c517-e202-4147-9bcf-339c6da27fb0/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:15:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 11:15:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 11:15:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:15:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:15:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 11:15:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 11:15:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 11:15:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 11:15:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:15:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 11:15:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 11:15:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 11:15:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 11:15:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 11:15:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 11:15:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 11:15:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 11:15:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 11:15:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 11:15:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 11:15:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 11:15:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 11:15:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 11:15:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 11:15:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 11:15:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 11:15:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 11:15:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 11:15:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 11:15:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 11:15:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 11:15:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 11:15:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 11:15:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 11:15:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 11:15:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 11:15:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 11:15:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 11:15:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 11:15:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 11:15:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 11:15:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 11:15:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 11:15:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 11:15:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 11:15:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 11:15:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 11:15:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:15:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:15:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 11:15:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 11:15:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 11:15:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 11:15:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:15:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:15:04,346 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:15:04,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:15:04 BoogieIcfgContainer [2018-11-18 11:15:04,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:15:04,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:15:04,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:15:04,350 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:15:04,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:15:03" (1/3) ... [2018-11-18 11:15:04,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36d9f97a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:15:04, skipping insertion in model container [2018-11-18 11:15:04,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:15:03" (2/3) ... [2018-11-18 11:15:04,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36d9f97a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:15:04, skipping insertion in model container [2018-11-18 11:15:04,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:15:04" (3/3) ... [2018-11-18 11:15:04,353 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product23_true-unreach-call_false-termination.cil.c [2018-11-18 11:15:04,362 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:15:04,368 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:15:04,381 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:15:04,409 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:15:04,409 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:15:04,409 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:15:04,409 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:15:04,409 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:15:04,409 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:15:04,409 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:15:04,409 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:15:04,426 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2018-11-18 11:15:04,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 11:15:04,434 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:15:04,434 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:15:04,437 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:15:04,441 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:15:04,441 INFO L82 PathProgramCache]: Analyzing trace with hash -2090627433, now seen corresponding path program 1 times [2018-11-18 11:15:04,443 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:15:04,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:15:04,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:15:04,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:15:04,475 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:15:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:15:04,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:15:04,647 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:15:04,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:15:04,648 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:15:04,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:15:04,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:15:04,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:15:04,665 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states. [2018-11-18 11:15:04,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:15:04,693 INFO L93 Difference]: Finished difference Result 260 states and 327 transitions. [2018-11-18 11:15:04,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:15:04,694 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 11:15:04,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:15:04,705 INFO L225 Difference]: With dead ends: 260 [2018-11-18 11:15:04,705 INFO L226 Difference]: Without dead ends: 132 [2018-11-18 11:15:04,709 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:15:04,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-11-18 11:15:04,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-11-18 11:15:04,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-11-18 11:15:04,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 157 transitions. [2018-11-18 11:15:04,753 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 157 transitions. Word has length 51 [2018-11-18 11:15:04,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:15:04,754 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 157 transitions. [2018-11-18 11:15:04,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:15:04,754 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 157 transitions. [2018-11-18 11:15:04,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 11:15:04,757 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:15:04,757 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:15:04,757 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:15:04,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:15:04,758 INFO L82 PathProgramCache]: Analyzing trace with hash -264373008, now seen corresponding path program 1 times [2018-11-18 11:15:04,758 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:15:04,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:15:04,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:15:04,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:15:04,759 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:15:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:15:04,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:15:04,843 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:15:04,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:15:04,844 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:15:04,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:15:04,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:15:04,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:15:04,846 INFO L87 Difference]: Start difference. First operand 132 states and 157 transitions. Second operand 3 states. [2018-11-18 11:15:04,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:15:04,863 INFO L93 Difference]: Finished difference Result 201 states and 239 transitions. [2018-11-18 11:15:04,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:15:04,864 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 11:15:04,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:15:04,865 INFO L225 Difference]: With dead ends: 201 [2018-11-18 11:15:04,865 INFO L226 Difference]: Without dead ends: 122 [2018-11-18 11:15:04,866 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:15:04,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-11-18 11:15:04,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2018-11-18 11:15:04,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-11-18 11:15:04,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 144 transitions. [2018-11-18 11:15:04,875 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 144 transitions. Word has length 53 [2018-11-18 11:15:04,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:15:04,875 INFO L480 AbstractCegarLoop]: Abstraction has 122 states and 144 transitions. [2018-11-18 11:15:04,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:15:04,876 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 144 transitions. [2018-11-18 11:15:04,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 11:15:04,877 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:15:04,877 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:15:04,877 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:15:04,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:15:04,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1176028160, now seen corresponding path program 1 times [2018-11-18 11:15:04,877 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:15:04,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:15:04,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:15:04,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:15:04,878 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:15:04,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:15:05,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:15:05,019 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:15:05,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:15:05,019 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:15:05,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:15:05,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:15:05,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:15:05,020 INFO L87 Difference]: Start difference. First operand 122 states and 144 transitions. Second operand 7 states. [2018-11-18 11:15:05,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:15:05,630 INFO L93 Difference]: Finished difference Result 362 states and 445 transitions. [2018-11-18 11:15:05,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:15:05,631 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-18 11:15:05,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:15:05,634 INFO L225 Difference]: With dead ends: 362 [2018-11-18 11:15:05,634 INFO L226 Difference]: Without dead ends: 268 [2018-11-18 11:15:05,636 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:15:05,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2018-11-18 11:15:05,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 260. [2018-11-18 11:15:05,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2018-11-18 11:15:05,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 319 transitions. [2018-11-18 11:15:05,663 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 319 transitions. Word has length 57 [2018-11-18 11:15:05,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:15:05,664 INFO L480 AbstractCegarLoop]: Abstraction has 260 states and 319 transitions. [2018-11-18 11:15:05,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:15:05,664 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 319 transitions. [2018-11-18 11:15:05,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 11:15:05,666 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:15:05,666 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:15:05,667 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:15:05,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:15:05,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1342001351, now seen corresponding path program 1 times [2018-11-18 11:15:05,667 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:15:05,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:15:05,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:15:05,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:15:05,668 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:15:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:15:05,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:15:05,788 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:15:05,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:15:05,788 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:15:05,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:15:05,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:15:05,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:15:05,789 INFO L87 Difference]: Start difference. First operand 260 states and 319 transitions. Second operand 6 states. [2018-11-18 11:15:06,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:15:06,030 INFO L93 Difference]: Finished difference Result 706 states and 891 transitions. [2018-11-18 11:15:06,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:15:06,031 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-11-18 11:15:06,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:15:06,034 INFO L225 Difference]: With dead ends: 706 [2018-11-18 11:15:06,034 INFO L226 Difference]: Without dead ends: 474 [2018-11-18 11:15:06,036 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:15:06,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2018-11-18 11:15:06,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 468. [2018-11-18 11:15:06,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2018-11-18 11:15:06,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 578 transitions. [2018-11-18 11:15:06,068 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 578 transitions. Word has length 63 [2018-11-18 11:15:06,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:15:06,068 INFO L480 AbstractCegarLoop]: Abstraction has 468 states and 578 transitions. [2018-11-18 11:15:06,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:15:06,068 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 578 transitions. [2018-11-18 11:15:06,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 11:15:06,070 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:15:06,070 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:15:06,070 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:15:06,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:15:06,070 INFO L82 PathProgramCache]: Analyzing trace with hash -57854269, now seen corresponding path program 1 times [2018-11-18 11:15:06,070 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:15:06,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:15:06,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:15:06,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:15:06,071 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:15:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:15:06,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:15:06,156 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:15:06,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:15:06,156 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:15:06,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:15:06,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:15:06,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:15:06,157 INFO L87 Difference]: Start difference. First operand 468 states and 578 transitions. Second operand 6 states. [2018-11-18 11:15:06,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:15:06,312 INFO L93 Difference]: Finished difference Result 760 states and 965 transitions. [2018-11-18 11:15:06,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:15:06,313 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2018-11-18 11:15:06,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:15:06,314 INFO L225 Difference]: With dead ends: 760 [2018-11-18 11:15:06,314 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:15:06,316 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:15:06,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:15:06,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:15:06,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:15:06,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:15:06,316 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2018-11-18 11:15:06,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:15:06,317 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:15:06,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:15:06,317 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:15:06,317 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:15:06,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:15:07,112 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 839 845) the Hoare annotation is: true [2018-11-18 11:15:07,112 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 839 845) no Hoare annotation was computed. [2018-11-18 11:15:07,112 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 846 854) no Hoare annotation was computed. [2018-11-18 11:15:07,112 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 846 854) the Hoare annotation is: true [2018-11-18 11:15:07,112 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 846 854) no Hoare annotation was computed. [2018-11-18 11:15:07,113 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 929 951) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:15:07,113 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 929 951) no Hoare annotation was computed. [2018-11-18 11:15:07,113 INFO L421 ceAbstractionStarter]: At program point L941(line 941) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~8 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:15:07,113 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 929 951) no Hoare annotation was computed. [2018-11-18 11:15:07,113 INFO L421 ceAbstractionStarter]: At program point L941-1(line 941) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~8 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:15:07,113 INFO L425 ceAbstractionStarter]: For program point L939(lines 939 946) no Hoare annotation was computed. [2018-11-18 11:15:07,113 INFO L425 ceAbstractionStarter]: For program point L939-1(lines 939 946) no Hoare annotation was computed. [2018-11-18 11:15:07,113 INFO L425 ceAbstractionStarter]: For program point L937(line 937) no Hoare annotation was computed. [2018-11-18 11:15:07,114 INFO L421 ceAbstractionStarter]: At program point L936(line 936) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:15:07,114 INFO L421 ceAbstractionStarter]: At program point L935(line 935) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:15:07,114 INFO L421 ceAbstractionStarter]: At program point L935-1(line 935) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:15:07,114 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 802 816) no Hoare annotation was computed. [2018-11-18 11:15:07,114 INFO L421 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-18 11:15:07,114 INFO L425 ceAbstractionStarter]: For program point L806(lines 806 812) no Hoare annotation was computed. [2018-11-18 11:15:07,114 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 802 816) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 0 ~pumpRunning~0)) (or (= ~systemActive~0 1) .cse0 (not (= |old(~systemActive~0)| 1))) (or (not (= ~systemActive~0 0)) .cse0 (= |old(~systemActive~0)| 0)))) [2018-11-18 11:15:07,114 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 802 816) no Hoare annotation was computed. [2018-11-18 11:15:07,114 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 738 746) no Hoare annotation was computed. [2018-11-18 11:15:07,115 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 738 746) the Hoare annotation is: true [2018-11-18 11:15:07,115 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 738 746) no Hoare annotation was computed. [2018-11-18 11:15:07,115 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 783 801) the Hoare annotation is: true [2018-11-18 11:15:07,115 INFO L425 ceAbstractionStarter]: For program point L792(lines 792 796) no Hoare annotation was computed. [2018-11-18 11:15:07,115 INFO L428 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: true [2018-11-18 11:15:07,115 INFO L425 ceAbstractionStarter]: For program point L792-2(lines 792 796) no Hoare annotation was computed. [2018-11-18 11:15:07,115 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 783 801) no Hoare annotation was computed. [2018-11-18 11:15:07,115 INFO L425 ceAbstractionStarter]: For program point L790-1(line 790) no Hoare annotation was computed. [2018-11-18 11:15:07,115 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 783 801) no Hoare annotation was computed. [2018-11-18 11:15:07,115 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 832 838) no Hoare annotation was computed. [2018-11-18 11:15:07,115 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 832 838) the Hoare annotation is: true [2018-11-18 11:15:07,115 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 918 928) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:15:07,116 INFO L421 ceAbstractionStarter]: At program point L923(line 923) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:15:07,116 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 918 928) no Hoare annotation was computed. [2018-11-18 11:15:07,116 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 918 928) no Hoare annotation was computed. [2018-11-18 11:15:07,116 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 727 737) the Hoare annotation is: true [2018-11-18 11:15:07,116 INFO L428 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: true [2018-11-18 11:15:07,116 INFO L425 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2018-11-18 11:15:07,116 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 727 737) no Hoare annotation was computed. [2018-11-18 11:15:07,116 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 727 737) no Hoare annotation was computed. [2018-11-18 11:15:07,116 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 719 726) the Hoare annotation is: true [2018-11-18 11:15:07,116 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 719 726) no Hoare annotation was computed. [2018-11-18 11:15:07,116 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 719 726) no Hoare annotation was computed. [2018-11-18 11:15:07,116 INFO L421 ceAbstractionStarter]: At program point L705(line 705) the Hoare annotation is: (or (= 0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 11:15:07,116 INFO L425 ceAbstractionStarter]: For program point L705-1(lines 686 710) no Hoare annotation was computed. [2018-11-18 11:15:07,117 INFO L421 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 11:15:07,117 INFO L421 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 11:15:07,117 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 686 710) no Hoare annotation was computed. [2018-11-18 11:15:07,117 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 702) no Hoare annotation was computed. [2018-11-18 11:15:07,117 INFO L421 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 11:15:07,117 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 686 710) the Hoare annotation is: (or (= 0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 11:15:07,117 INFO L425 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2018-11-18 11:15:07,117 INFO L425 ceAbstractionStarter]: For program point L690(lines 690 707) no Hoare annotation was computed. [2018-11-18 11:15:07,117 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 652 658) no Hoare annotation was computed. [2018-11-18 11:15:07,117 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 652 658) the Hoare annotation is: true [2018-11-18 11:15:07,117 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 555 620) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:15:07,117 INFO L421 ceAbstractionStarter]: At program point L603(line 603) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:15:07,118 INFO L425 ceAbstractionStarter]: For program point L601(lines 601 607) no Hoare annotation was computed. [2018-11-18 11:15:07,118 INFO L421 ceAbstractionStarter]: At program point L601-1(lines 595 608) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:15:07,118 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 555 620) no Hoare annotation was computed. [2018-11-18 11:15:07,118 INFO L425 ceAbstractionStarter]: For program point L566(lines 565 612) no Hoare annotation was computed. [2018-11-18 11:15:07,118 INFO L425 ceAbstractionStarter]: For program point L595(lines 595 608) no Hoare annotation was computed. [2018-11-18 11:15:07,118 INFO L421 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:15:07,118 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 591) no Hoare annotation was computed. [2018-11-18 11:15:07,118 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 585 591) no Hoare annotation was computed. [2018-11-18 11:15:07,118 INFO L421 ceAbstractionStarter]: At program point L610(lines 565 612) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:15:07,118 INFO L421 ceAbstractionStarter]: At program point L577(line 577) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:15:07,118 INFO L425 ceAbstractionStarter]: For program point L575(lines 575 581) no Hoare annotation was computed. [2018-11-18 11:15:07,119 INFO L425 ceAbstractionStarter]: For program point L575-1(lines 575 581) no Hoare annotation was computed. [2018-11-18 11:15:07,119 INFO L425 ceAbstractionStarter]: For program point L567(lines 567 571) no Hoare annotation was computed. [2018-11-18 11:15:07,119 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 565 612) no Hoare annotation was computed. [2018-11-18 11:15:07,119 INFO L421 ceAbstractionStarter]: At program point L613(lines 564 614) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:15:07,119 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 555 620) no Hoare annotation was computed. [2018-11-18 11:15:07,119 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2018-11-18 11:15:07,119 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2018-11-18 11:15:07,119 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2018-11-18 11:15:07,119 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 166) no Hoare annotation was computed. [2018-11-18 11:15:07,119 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 169) no Hoare annotation was computed. [2018-11-18 11:15:07,119 INFO L421 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 11:15:07,119 INFO L425 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2018-11-18 11:15:07,120 INFO L425 ceAbstractionStarter]: For program point L155(lines 155 172) no Hoare annotation was computed. [2018-11-18 11:15:07,120 INFO L425 ceAbstractionStarter]: For program point L155-1(lines 147 175) no Hoare annotation was computed. [2018-11-18 11:15:07,120 INFO L428 ceAbstractionStarter]: At program point L153(line 153) the Hoare annotation is: true [2018-11-18 11:15:07,120 INFO L425 ceAbstractionStarter]: For program point L153-1(line 153) no Hoare annotation was computed. [2018-11-18 11:15:07,120 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 147 175) the Hoare annotation is: true [2018-11-18 11:15:07,120 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 147 175) no Hoare annotation was computed. [2018-11-18 11:15:07,120 INFO L421 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-18 11:15:07,120 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 139 146) the Hoare annotation is: true [2018-11-18 11:15:07,120 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 139 146) no Hoare annotation was computed. [2018-11-18 11:15:07,120 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 139 146) no Hoare annotation was computed. [2018-11-18 11:15:07,120 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:15:07,120 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:15:07,120 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:15:07,120 INFO L425 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-11-18 11:15:07,121 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:15:07,121 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-11-18 11:15:07,121 INFO L428 ceAbstractionStarter]: At program point L867-3(lines 867 881) the Hoare annotation is: true [2018-11-18 11:15:07,121 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 857 886) no Hoare annotation was computed. [2018-11-18 11:15:07,121 INFO L428 ceAbstractionStarter]: At program point L863(line 863) the Hoare annotation is: true [2018-11-18 11:15:07,121 INFO L425 ceAbstractionStarter]: For program point L863-1(line 863) no Hoare annotation was computed. [2018-11-18 11:15:07,121 INFO L428 ceAbstractionStarter]: At program point L882(lines 857 886) the Hoare annotation is: true [2018-11-18 11:15:07,121 INFO L425 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2018-11-18 11:15:07,121 INFO L425 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-11-18 11:15:07,121 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 857 886) the Hoare annotation is: true [2018-11-18 11:15:07,121 INFO L425 ceAbstractionStarter]: For program point L871(lines 871 875) no Hoare annotation was computed. [2018-11-18 11:15:07,121 INFO L428 ceAbstractionStarter]: At program point L871-1(lines 871 875) the Hoare annotation is: true [2018-11-18 11:15:07,121 INFO L425 ceAbstractionStarter]: For program point L867-1(lines 867 881) no Hoare annotation was computed. [2018-11-18 11:15:07,121 INFO L421 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0))) (not (= 0 |old(~pumpRunning~0)|))) [2018-11-18 11:15:07,122 INFO L421 ceAbstractionStarter]: At program point L639(lines 639 645) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-18 11:15:07,122 INFO L421 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-18 11:15:07,122 INFO L425 ceAbstractionStarter]: For program point L632(lines 631 650) no Hoare annotation was computed. [2018-11-18 11:15:07,122 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 628 651) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-18 11:15:07,122 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 628 651) no Hoare annotation was computed. [2018-11-18 11:15:07,122 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 628 651) no Hoare annotation was computed. [2018-11-18 11:15:07,122 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-11-18 11:15:07,122 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-11-18 11:15:07,122 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-11-18 11:15:07,122 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2018-11-18 11:15:07,122 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-11-18 11:15:07,122 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-11-18 11:15:07,122 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 911 917) no Hoare annotation was computed. [2018-11-18 11:15:07,123 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 911 917) the Hoare annotation is: true [2018-11-18 11:15:07,123 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:15:07,123 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-18 11:15:07,123 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:15:07,123 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:15:07,123 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-11-18 11:15:07,123 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-11-18 11:15:07,123 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2018-11-18 11:15:07,123 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 547) no Hoare annotation was computed. [2018-11-18 11:15:07,123 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 543 550) no Hoare annotation was computed. [2018-11-18 11:15:07,124 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 543 550) the Hoare annotation is: true [2018-11-18 11:15:07,124 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 543 550) no Hoare annotation was computed. [2018-11-18 11:15:07,124 INFO L421 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 11:15:07,124 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 660 684) no Hoare annotation was computed. [2018-11-18 11:15:07,124 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 676) no Hoare annotation was computed. [2018-11-18 11:15:07,124 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 660 684) the Hoare annotation is: (or (= 0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 11:15:07,124 INFO L421 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 11:15:07,124 INFO L425 ceAbstractionStarter]: For program point L666-1(line 666) no Hoare annotation was computed. [2018-11-18 11:15:07,124 INFO L425 ceAbstractionStarter]: For program point L664(lines 664 681) no Hoare annotation was computed. [2018-11-18 11:15:07,124 INFO L421 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (or (= 0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 11:15:07,124 INFO L425 ceAbstractionStarter]: For program point L679-1(lines 660 684) no Hoare annotation was computed. [2018-11-18 11:15:07,124 INFO L421 ceAbstractionStarter]: At program point L674(line 674) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 11:15:07,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:15:07 BoogieIcfgContainer [2018-11-18 11:15:07,142 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:15:07,143 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:15:07,143 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:15:07,143 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:15:07,143 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:15:04" (3/4) ... [2018-11-18 11:15:07,146 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:15:07,155 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 11:15:07,155 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 11:15:07,155 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:15:07,155 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 11:15:07,155 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 11:15:07,155 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 11:15:07,155 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 11:15:07,155 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 11:15:07,155 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 11:15:07,155 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 11:15:07,155 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 11:15:07,156 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 11:15:07,156 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 11:15:07,156 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 11:15:07,156 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 11:15:07,156 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 11:15:07,156 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:15:07,156 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 11:15:07,156 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 11:15:07,156 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 11:15:07,156 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 11:15:07,156 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 11:15:07,156 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 11:15:07,157 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 11:15:07,157 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 11:15:07,157 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 11:15:07,164 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-11-18 11:15:07,164 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 11:15:07,165 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 11:15:07,189 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 11:15:07,189 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 11:15:07,226 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d3a4c517-e202-4147-9bcf-339c6da27fb0/bin-2019/utaipan/witness.graphml [2018-11-18 11:15:07,226 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:15:07,227 INFO L168 Benchmark]: Toolchain (without parser) took 3786.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 956.6 MB in the beginning and 946.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 151.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:15:07,228 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:15:07,228 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:15:07,228 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:15:07,228 INFO L168 Benchmark]: Boogie Preprocessor took 27.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:15:07,228 INFO L168 Benchmark]: RCFGBuilder took 456.95 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: 56.8 MB). Peak memory consumption was 56.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:15:07,229 INFO L168 Benchmark]: TraceAbstraction took 2794.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.1 MB in the end (delta: 115.7 MB). Peak memory consumption was 115.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:15:07,229 INFO L168 Benchmark]: Witness Printer took 83.34 ms. Allocated memory is still 1.2 GB. Free memory was 957.1 MB in the beginning and 946.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:15:07,230 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 391.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.38 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 27.66 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 456.95 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: 56.8 MB). Peak memory consumption was 56.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2794.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.1 MB in the end (delta: 115.7 MB). Peak memory consumption was 115.7 MB. Max. memory is 11.5 GB. * Witness Printer took 83.34 ms. Allocated memory is still 1.2 GB. Free memory was 957.1 MB in the beginning and 946.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 547]: 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: 867]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 145 locations, 1 error locations. SAFE Result, 2.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 748 SDtfs, 420 SDslu, 1496 SDs, 0 SdLazy, 352 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=468occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 584 PreInvPairs, 629 NumberOfFragments, 549 HoareAnnotationTreeSize, 584 FomulaSimplifications, 316 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 61 FomulaSimplificationsInter, 1790 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 27392 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...