./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product26_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2ccb11fe-846b-4a07-bfdb-f646aac30002/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2ccb11fe-846b-4a07-bfdb-f646aac30002/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2ccb11fe-846b-4a07-bfdb-f646aac30002/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2ccb11fe-846b-4a07-bfdb-f646aac30002/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product26_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2ccb11fe-846b-4a07-bfdb-f646aac30002/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2ccb11fe-846b-4a07-bfdb-f646aac30002/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 c4608a8062f27af1fb75c6b614ba3695c40f562a .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:17:51,745 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:17:51,746 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:17:51,754 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:17:51,754 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:17:51,755 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:17:51,755 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:17:51,756 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:17:51,757 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:17:51,758 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:17:51,759 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:17:51,759 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:17:51,760 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:17:51,760 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:17:51,761 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:17:51,762 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:17:51,762 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:17:51,764 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:17:51,765 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:17:51,766 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:17:51,767 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:17:51,768 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:17:51,769 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:17:51,770 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:17:51,770 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:17:51,770 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:17:51,771 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:17:51,772 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:17:51,772 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:17:51,773 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:17:51,773 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:17:51,774 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:17:51,774 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:17:51,774 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:17:51,774 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:17:51,775 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:17:51,775 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2ccb11fe-846b-4a07-bfdb-f646aac30002/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 00:17:51,786 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:17:51,786 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:17:51,787 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:17:51,787 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:17:51,787 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 00:17:51,787 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 00:17:51,787 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 00:17:51,788 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 00:17:51,788 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 00:17:51,788 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 00:17:51,788 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 00:17:51,788 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 00:17:51,788 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 00:17:51,789 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:17:51,789 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:17:51,789 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:17:51,789 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:17:51,790 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:17:51,790 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:17:51,790 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:17:51,790 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:17:51,790 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:17:51,790 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:17:51,791 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:17:51,791 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:17:51,791 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:17:51,791 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:17:51,791 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:17:51,791 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:17:51,792 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:17:51,792 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:17:51,792 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:17:51,792 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 00:17:51,792 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:17:51,792 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:17:51,792 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 00:17:51,792 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_2ccb11fe-846b-4a07-bfdb-f646aac30002/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 -> c4608a8062f27af1fb75c6b614ba3695c40f562a [2018-12-09 00:17:51,816 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:17:51,822 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:17:51,824 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:17:51,825 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:17:51,825 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:17:51,826 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2ccb11fe-846b-4a07-bfdb-f646aac30002/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product26_false-unreach-call_false-termination.cil.c [2018-12-09 00:17:51,863 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2ccb11fe-846b-4a07-bfdb-f646aac30002/bin-2019/utaipan/data/011b46607/3cc6cd14e5ea49678f81a6ddded0e104/FLAG8bf5bb3ea [2018-12-09 00:17:52,179 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:17:52,180 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2ccb11fe-846b-4a07-bfdb-f646aac30002/sv-benchmarks/c/product-lines/minepump_spec3_product26_false-unreach-call_false-termination.cil.c [2018-12-09 00:17:52,186 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2ccb11fe-846b-4a07-bfdb-f646aac30002/bin-2019/utaipan/data/011b46607/3cc6cd14e5ea49678f81a6ddded0e104/FLAG8bf5bb3ea [2018-12-09 00:17:52,194 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2ccb11fe-846b-4a07-bfdb-f646aac30002/bin-2019/utaipan/data/011b46607/3cc6cd14e5ea49678f81a6ddded0e104 [2018-12-09 00:17:52,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:17:52,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:17:52,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:17:52,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:17:52,199 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:17:52,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:17:52" (1/1) ... [2018-12-09 00:17:52,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:17:52, skipping insertion in model container [2018-12-09 00:17:52,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:17:52" (1/1) ... [2018-12-09 00:17:52,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:17:52,226 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:17:52,374 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:17:52,420 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:17:52,465 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:17:52,480 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:17:52,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:17:52 WrapperNode [2018-12-09 00:17:52,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:17:52,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:17:52,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:17:52,481 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:17:52,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:17:52" (1/1) ... [2018-12-09 00:17:52,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:17:52" (1/1) ... [2018-12-09 00:17:52,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:17:52,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:17:52,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:17:52,501 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:17:52,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:17:52" (1/1) ... [2018-12-09 00:17:52,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:17:52" (1/1) ... [2018-12-09 00:17:52,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:17:52" (1/1) ... [2018-12-09 00:17:52,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:17:52" (1/1) ... [2018-12-09 00:17:52,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:17:52" (1/1) ... [2018-12-09 00:17:52,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:17:52" (1/1) ... [2018-12-09 00:17:52,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:17:52" (1/1) ... [2018-12-09 00:17:52,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:17:52,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:17:52,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:17:52,523 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:17:52,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:17:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2ccb11fe-846b-4a07-bfdb-f646aac30002/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:17:52,557 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 00:17:52,557 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 00:17:52,557 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:17:52,557 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:17:52,557 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 00:17:52,557 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 00:17:52,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:17:52,557 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 00:17:52,557 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 00:17:52,557 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 00:17:52,558 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 00:17:52,558 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 00:17:52,558 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 00:17:52,558 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 00:17:52,558 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 00:17:52,558 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 00:17:52,558 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 00:17:52,558 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 00:17:52,558 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 00:17:52,558 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 00:17:52,558 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 00:17:52,558 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 00:17:52,558 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 00:17:52,558 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 00:17:52,559 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 00:17:52,559 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 00:17:52,559 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 00:17:52,559 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 00:17:52,559 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 00:17:52,559 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 00:17:52,559 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 00:17:52,559 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 00:17:52,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 00:17:52,559 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 00:17:52,559 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 00:17:52,559 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 00:17:52,559 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 00:17:52,559 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 00:17:52,559 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 00:17:52,560 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 00:17:52,560 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 00:17:52,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 00:17:52,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:17:52,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:17:52,560 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 00:17:52,560 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 00:17:52,560 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-09 00:17:52,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-09 00:17:52,560 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 00:17:52,560 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 00:17:52,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:17:52,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:17:52,802 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:17:52,802 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 00:17:52,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:17:52 BoogieIcfgContainer [2018-12-09 00:17:52,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:17:52,803 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:17:52,804 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:17:52,805 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:17:52,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:17:52" (1/3) ... [2018-12-09 00:17:52,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f86b5fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:17:52, skipping insertion in model container [2018-12-09 00:17:52,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:17:52" (2/3) ... [2018-12-09 00:17:52,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f86b5fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:17:52, skipping insertion in model container [2018-12-09 00:17:52,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:17:52" (3/3) ... [2018-12-09 00:17:52,808 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product26_false-unreach-call_false-termination.cil.c [2018-12-09 00:17:52,814 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:17:52,819 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 00:17:52,827 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 00:17:52,845 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:17:52,845 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:17:52,845 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:17:52,845 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:17:52,846 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:17:52,846 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:17:52,846 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:17:52,846 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:17:52,857 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2018-12-09 00:17:52,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 00:17:52,862 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:17:52,863 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:17:52,864 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:17:52,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:17:52,868 INFO L82 PathProgramCache]: Analyzing trace with hash -28773460, now seen corresponding path program 1 times [2018-12-09 00:17:52,869 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:17:52,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:17:52,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:17:52,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:17:52,897 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:17:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:17:53,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:17:53,005 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:17:53,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 00:17:53,006 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:17:53,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 00:17:53,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 00:17:53,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 00:17:53,018 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 2 states. [2018-12-09 00:17:53,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:17:53,039 INFO L93 Difference]: Finished difference Result 228 states and 281 transitions. [2018-12-09 00:17:53,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 00:17:53,040 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-09 00:17:53,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:17:53,046 INFO L225 Difference]: With dead ends: 228 [2018-12-09 00:17:53,046 INFO L226 Difference]: Without dead ends: 114 [2018-12-09 00:17:53,049 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 00:17:53,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-12-09 00:17:53,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-12-09 00:17:53,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-12-09 00:17:53,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2018-12-09 00:17:53,078 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 52 [2018-12-09 00:17:53,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:17:53,079 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2018-12-09 00:17:53,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 00:17:53,079 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2018-12-09 00:17:53,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 00:17:53,081 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:17:53,081 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:17:53,081 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:17:53,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:17:53,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1271582984, now seen corresponding path program 1 times [2018-12-09 00:17:53,082 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:17:53,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:17:53,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:17:53,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:17:53,083 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:17:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:17:53,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:17:53,137 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:17:53,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:17:53,137 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:17:53,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 00:17:53,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:17:53,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:17:53,138 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 3 states. [2018-12-09 00:17:53,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:17:53,149 INFO L93 Difference]: Finished difference Result 173 states and 199 transitions. [2018-12-09 00:17:53,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:17:53,150 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-09 00:17:53,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:17:53,151 INFO L225 Difference]: With dead ends: 173 [2018-12-09 00:17:53,151 INFO L226 Difference]: Without dead ends: 105 [2018-12-09 00:17:53,152 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:17:53,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-12-09 00:17:53,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-12-09 00:17:53,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-12-09 00:17:53,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 120 transitions. [2018-12-09 00:17:53,158 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 120 transitions. Word has length 53 [2018-12-09 00:17:53,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:17:53,159 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 120 transitions. [2018-12-09 00:17:53,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 00:17:53,159 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 120 transitions. [2018-12-09 00:17:53,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 00:17:53,160 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:17:53,160 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:17:53,160 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:17:53,160 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:17:53,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1096031115, now seen corresponding path program 1 times [2018-12-09 00:17:53,161 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:17:53,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:17:53,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:17:53,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:17:53,162 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:17:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:17:53,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:17:53,207 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:17:53,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:17:53,207 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:17:53,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 00:17:53,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:17:53,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:17:53,208 INFO L87 Difference]: Start difference. First operand 105 states and 120 transitions. Second operand 3 states. [2018-12-09 00:17:53,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:17:53,227 INFO L93 Difference]: Finished difference Result 186 states and 217 transitions. [2018-12-09 00:17:53,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:17:53,228 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-12-09 00:17:53,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:17:53,229 INFO L225 Difference]: With dead ends: 186 [2018-12-09 00:17:53,229 INFO L226 Difference]: Without dead ends: 105 [2018-12-09 00:17:53,229 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:17:53,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-12-09 00:17:53,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-12-09 00:17:53,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-12-09 00:17:53,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 119 transitions. [2018-12-09 00:17:53,236 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 119 transitions. Word has length 58 [2018-12-09 00:17:53,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:17:53,236 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 119 transitions. [2018-12-09 00:17:53,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 00:17:53,236 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 119 transitions. [2018-12-09 00:17:53,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 00:17:53,237 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:17:53,237 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:17:53,237 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:17:53,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:17:53,238 INFO L82 PathProgramCache]: Analyzing trace with hash -147110132, now seen corresponding path program 1 times [2018-12-09 00:17:53,238 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:17:53,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:17:53,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:17:53,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:17:53,239 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:17:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:17:53,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:17:53,300 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:17:53,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 00:17:53,300 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:17:53,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:17:53,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:17:53,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:17:53,301 INFO L87 Difference]: Start difference. First operand 105 states and 119 transitions. Second operand 6 states. [2018-12-09 00:17:53,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:17:53,443 INFO L93 Difference]: Finished difference Result 256 states and 305 transitions. [2018-12-09 00:17:53,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:17:53,443 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-12-09 00:17:53,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:17:53,446 INFO L225 Difference]: With dead ends: 256 [2018-12-09 00:17:53,446 INFO L226 Difference]: Without dead ends: 175 [2018-12-09 00:17:53,446 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 00:17:53,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-12-09 00:17:53,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 173. [2018-12-09 00:17:53,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-12-09 00:17:53,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 201 transitions. [2018-12-09 00:17:53,463 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 201 transitions. Word has length 66 [2018-12-09 00:17:53,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:17:53,464 INFO L480 AbstractCegarLoop]: Abstraction has 173 states and 201 transitions. [2018-12-09 00:17:53,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:17:53,464 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 201 transitions. [2018-12-09 00:17:53,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 00:17:53,466 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:17:53,466 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:17:53,466 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:17:53,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:17:53,467 INFO L82 PathProgramCache]: Analyzing trace with hash 346906054, now seen corresponding path program 1 times [2018-12-09 00:17:53,467 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:17:53,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:17:53,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:17:53,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:17:53,468 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:17:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:17:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:17:53,571 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 00:17:53,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:17:53 BoogieIcfgContainer [2018-12-09 00:17:53,659 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 00:17:53,659 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:17:53,659 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:17:53,660 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:17:53,660 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:17:52" (3/4) ... [2018-12-09 00:17:53,662 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 00:17:53,754 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2ccb11fe-846b-4a07-bfdb-f646aac30002/bin-2019/utaipan/witness.graphml [2018-12-09 00:17:53,754 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:17:53,755 INFO L168 Benchmark]: Toolchain (without parser) took 1558.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 952.4 MB in the beginning and 894.9 MB in the end (delta: 57.5 MB). Peak memory consumption was 205.3 MB. Max. memory is 11.5 GB. [2018-12-09 00:17:53,755 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:17:53,756 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -179.1 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:17:53,756 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:17:53,756 INFO L168 Benchmark]: Boogie Preprocessor took 21.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:17:53,757 INFO L168 Benchmark]: RCFGBuilder took 280.60 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: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. [2018-12-09 00:17:53,757 INFO L168 Benchmark]: TraceAbstraction took 855.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 916.0 MB in the end (delta: 168.6 MB). Peak memory consumption was 168.6 MB. Max. memory is 11.5 GB. [2018-12-09 00:17:53,757 INFO L168 Benchmark]: Witness Printer took 94.83 ms. Allocated memory is still 1.2 GB. Free memory was 916.0 MB in the beginning and 894.9 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-12-09 00:17:53,760 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 283.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -179.1 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.89 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 21.17 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 280.60 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: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 855.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 916.0 MB in the end (delta: 168.6 MB). Peak memory consumption was 168.6 MB. Max. memory is 11.5 GB. * Witness Printer took 94.83 ms. Allocated memory is still 1.2 GB. Free memory was 916.0 MB in the beginning and 894.9 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 643]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L184] int waterLevel = 1; [L185] int methaneLevelCritical = 0; [L442] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L652] int pumpRunning = 0; [L653] int systemActive = 1; [L121] int retValue_acc ; [L122] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L126] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L127] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L170] int retValue_acc ; [L173] retValue_acc = 1 [L174] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L128] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L132] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L133] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L112] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L832] int splverifierCounter ; [L833] int tmp ; [L834] int tmp___0 ; [L835] int tmp___1 ; [L836] int tmp___2 ; [L839] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L841] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L843] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L849] tmp = __VERIFIER_nondet_int() [L851] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L853] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L202] COND TRUE waterLevel < 2 [L203] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L853] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L859] tmp___0 = __VERIFIER_nondet_int() [L861] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L869] tmp___2 = __VERIFIER_nondet_int() [L871] COND FALSE !(\read(tmp___2)) [L877] tmp___1 = __VERIFIER_nondet_int() [L879] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L886] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L660] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L667] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L669] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L689] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L692] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L707] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L669] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L675] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L899] int tmp ; [L900] int tmp___0 ; [L901] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L905] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L223] int retValue_acc ; [L226] retValue_acc = methaneLevelCritical [L227] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L905] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L905] tmp = isMethaneLevelCritical() [L907] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L911] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L255] int retValue_acc ; [L258] retValue_acc = waterLevel [L259] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L911] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L911] tmp___0 = getWaterLevel() [L913] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L915] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L759] int retValue_acc ; [L762] retValue_acc = pumpRunning [L763] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L915] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L915] tmp___1 = isPumpRunning() [L917] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L921] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L643] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 127 locations, 1 error locations. UNSAFE Result, 0.8s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 510 SDtfs, 172 SDslu, 533 SDs, 0 SdLazy, 78 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=173occurred 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, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 299 NumberOfCodeBlocks, 299 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 21942 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...