./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product02_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_d265307e-5fd1-4348-897c-013ab88e1e90/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d265307e-5fd1-4348-897c-013ab88e1e90/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d265307e-5fd1-4348-897c-013ab88e1e90/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d265307e-5fd1-4348-897c-013ab88e1e90/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product02_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d265307e-5fd1-4348-897c-013ab88e1e90/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d265307e-5fd1-4348-897c-013ab88e1e90/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 3d4424fd56eee579c48980b036d65ad5b2d9388e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 11:25:02,922 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:25:02,923 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:25:02,933 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:25:02,933 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:25:02,933 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:25:02,934 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:25:02,941 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:25:02,942 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:25:02,943 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:25:02,944 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:25:02,944 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:25:02,945 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:25:02,946 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:25:02,947 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:25:02,947 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:25:02,948 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:25:02,959 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:25:02,960 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:25:02,961 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:25:02,962 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:25:02,963 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:25:02,966 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:25:02,966 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:25:02,966 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:25:02,967 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:25:02,968 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:25:02,968 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:25:02,969 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:25:02,973 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:25:02,974 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:25:02,974 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:25:02,974 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:25:02,974 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:25:02,975 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:25:02,976 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:25:02,976 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d265307e-5fd1-4348-897c-013ab88e1e90/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:25:02,990 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:25:02,990 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:25:02,991 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:25:02,991 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:25:02,991 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:25:02,991 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:25:02,992 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:25:02,992 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:25:02,992 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:25:02,992 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:25:02,992 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:25:02,992 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:25:02,992 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:25:02,995 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:25:02,995 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:25:02,995 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:25:02,996 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:25:02,996 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:25:02,996 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:25:02,996 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:25:02,996 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:25:02,996 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:25:02,997 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:25:02,997 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:25:02,997 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:25:02,997 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:25:02,997 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:25:02,997 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:25:02,997 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:25:02,998 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:25:02,998 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:25:02,998 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:25:02,998 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:25:02,998 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:25:02,998 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:25:02,999 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:25:02,999 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:25:02,999 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_d265307e-5fd1-4348-897c-013ab88e1e90/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 -> 3d4424fd56eee579c48980b036d65ad5b2d9388e [2018-11-18 11:25:03,040 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:25:03,054 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:25:03,057 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:25:03,058 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:25:03,059 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:25:03,059 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d265307e-5fd1-4348-897c-013ab88e1e90/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product02_true-unreach-call_false-termination.cil.c [2018-11-18 11:25:03,112 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d265307e-5fd1-4348-897c-013ab88e1e90/bin-2019/utaipan/data/a14ce50d2/0b27a91f996e4a87a1f7f399ec0eada3/FLAG9e23fa5f7 [2018-11-18 11:25:03,537 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:25:03,538 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d265307e-5fd1-4348-897c-013ab88e1e90/sv-benchmarks/c/product-lines/minepump_spec2_product02_true-unreach-call_false-termination.cil.c [2018-11-18 11:25:03,552 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d265307e-5fd1-4348-897c-013ab88e1e90/bin-2019/utaipan/data/a14ce50d2/0b27a91f996e4a87a1f7f399ec0eada3/FLAG9e23fa5f7 [2018-11-18 11:25:03,583 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d265307e-5fd1-4348-897c-013ab88e1e90/bin-2019/utaipan/data/a14ce50d2/0b27a91f996e4a87a1f7f399ec0eada3 [2018-11-18 11:25:03,586 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:25:03,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:25:03,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:25:03,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:25:03,592 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:25:03,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:25:03" (1/1) ... [2018-11-18 11:25:03,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d1e80f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:25:03, skipping insertion in model container [2018-11-18 11:25:03,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:25:03" (1/1) ... [2018-11-18 11:25:03,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:25:03,696 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:25:03,919 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:25:03,927 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:25:03,981 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:25:04,069 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:25:04,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:25:04 WrapperNode [2018-11-18 11:25:04,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:25:04,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:25:04,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:25:04,070 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:25:04,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:25:04" (1/1) ... [2018-11-18 11:25:04,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:25:04" (1/1) ... [2018-11-18 11:25:04,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:25:04,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:25:04,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:25:04,091 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:25:04,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:25:04" (1/1) ... [2018-11-18 11:25:04,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:25:04" (1/1) ... [2018-11-18 11:25:04,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:25:04" (1/1) ... [2018-11-18 11:25:04,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:25:04" (1/1) ... [2018-11-18 11:25:04,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:25:04" (1/1) ... [2018-11-18 11:25:04,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:25:04" (1/1) ... [2018-11-18 11:25:04,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:25:04" (1/1) ... [2018-11-18 11:25:04,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:25:04,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:25:04,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:25:04,120 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:25:04,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:25:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d265307e-5fd1-4348-897c-013ab88e1e90/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 11:25:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 11:25:04,163 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 11:25:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 11:25:04,163 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 11:25:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:25:04,163 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:25:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 11:25:04,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 11:25:04,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:25:04,164 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 11:25:04,164 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 11:25:04,164 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 11:25:04,164 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 11:25:04,164 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 11:25:04,164 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 11:25:04,164 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 11:25:04,165 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 11:25:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 11:25:04,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 11:25:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 11:25:04,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 11:25:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:25:04,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:25:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 11:25:04,165 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 11:25:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 11:25:04,166 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 11:25:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 11:25:04,166 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 11:25:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 11:25:04,166 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 11:25:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 11:25:04,166 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 11:25:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 11:25:04,167 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 11:25:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:25:04,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:25:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 11:25:04,167 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 11:25:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 11:25:04,167 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 11:25:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 11:25:04,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 11:25:04,664 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:25:04,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:25:04 BoogieIcfgContainer [2018-11-18 11:25:04,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:25:04,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:25:04,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:25:04,668 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:25:04,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:25:03" (1/3) ... [2018-11-18 11:25:04,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159de221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:25:04, skipping insertion in model container [2018-11-18 11:25:04,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:25:04" (2/3) ... [2018-11-18 11:25:04,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159de221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:25:04, skipping insertion in model container [2018-11-18 11:25:04,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:25:04" (3/3) ... [2018-11-18 11:25:04,670 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product02_true-unreach-call_false-termination.cil.c [2018-11-18 11:25:04,676 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:25:04,681 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:25:04,690 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:25:04,709 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:25:04,709 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:25:04,710 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:25:04,710 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:25:04,710 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:25:04,710 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:25:04,710 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:25:04,710 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:25:04,725 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2018-11-18 11:25:04,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 11:25:04,730 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:25:04,731 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 11:25:04,733 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:25:04,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:25:04,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1812681201, now seen corresponding path program 1 times [2018-11-18 11:25:04,740 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:25:04,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:25:04,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:25:04,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:25:04,777 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:25:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:25:04,977 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 11:25:04,978 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:25:04,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:25:04,979 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:25:04,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:25:04,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:25:04,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:25:04,997 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2018-11-18 11:25:05,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:25:05,026 INFO L93 Difference]: Finished difference Result 180 states and 225 transitions. [2018-11-18 11:25:05,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:25:05,027 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 11:25:05,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:25:05,036 INFO L225 Difference]: With dead ends: 180 [2018-11-18 11:25:05,036 INFO L226 Difference]: Without dead ends: 92 [2018-11-18 11:25:05,043 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 11:25:05,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-11-18 11:25:05,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-11-18 11:25:05,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-11-18 11:25:05,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 106 transitions. [2018-11-18 11:25:05,097 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 106 transitions. Word has length 51 [2018-11-18 11:25:05,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:25:05,098 INFO L480 AbstractCegarLoop]: Abstraction has 92 states and 106 transitions. [2018-11-18 11:25:05,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:25:05,098 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 106 transitions. [2018-11-18 11:25:05,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 11:25:05,102 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:25:05,102 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 11:25:05,103 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:25:05,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:25:05,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1128005224, now seen corresponding path program 1 times [2018-11-18 11:25:05,104 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:25:05,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:25:05,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:25:05,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:25:05,106 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:25:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:25:05,237 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 11:25:05,242 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:25:05,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:25:05,243 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:25:05,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:25:05,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:25:05,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:25:05,245 INFO L87 Difference]: Start difference. First operand 92 states and 106 transitions. Second operand 3 states. [2018-11-18 11:25:05,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:25:05,263 INFO L93 Difference]: Finished difference Result 123 states and 141 transitions. [2018-11-18 11:25:05,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:25:05,266 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 11:25:05,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:25:05,267 INFO L225 Difference]: With dead ends: 123 [2018-11-18 11:25:05,267 INFO L226 Difference]: Without dead ends: 82 [2018-11-18 11:25:05,268 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 11:25:05,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-11-18 11:25:05,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-11-18 11:25:05,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-11-18 11:25:05,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2018-11-18 11:25:05,283 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 53 [2018-11-18 11:25:05,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:25:05,284 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2018-11-18 11:25:05,284 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:25:05,284 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2018-11-18 11:25:05,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 11:25:05,286 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:25:05,286 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] [2018-11-18 11:25:05,286 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:25:05,286 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:25:05,286 INFO L82 PathProgramCache]: Analyzing trace with hash -767135853, now seen corresponding path program 1 times [2018-11-18 11:25:05,287 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:25:05,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:25:05,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:25:05,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:25:05,287 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:25:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:25:05,438 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 11:25:05,438 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:25:05,438 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:25:05,438 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:25:05,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:25:05,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:25:05,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:25:05,439 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 3 states. [2018-11-18 11:25:05,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:25:05,493 INFO L93 Difference]: Finished difference Result 136 states and 159 transitions. [2018-11-18 11:25:05,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:25:05,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-11-18 11:25:05,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:25:05,494 INFO L225 Difference]: With dead ends: 136 [2018-11-18 11:25:05,494 INFO L226 Difference]: Without dead ends: 82 [2018-11-18 11:25:05,496 INFO L604 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 [2018-11-18 11:25:05,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-11-18 11:25:05,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-11-18 11:25:05,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-11-18 11:25:05,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2018-11-18 11:25:05,504 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 58 [2018-11-18 11:25:05,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:25:05,505 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2018-11-18 11:25:05,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:25:05,505 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2018-11-18 11:25:05,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 11:25:05,506 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:25:05,506 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] [2018-11-18 11:25:05,507 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:25:05,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:25:05,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1244285343, now seen corresponding path program 1 times [2018-11-18 11:25:05,507 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:25:05,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:25:05,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:25:05,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:25:05,508 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:25:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:25:05,808 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 11:25:05,808 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:25:05,808 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:25:05,808 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:25:05,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:25:05,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:25:05,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:25:05,809 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand 6 states. [2018-11-18 11:25:06,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:25:06,111 INFO L93 Difference]: Finished difference Result 182 states and 215 transitions. [2018-11-18 11:25:06,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:25:06,112 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2018-11-18 11:25:06,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:25:06,115 INFO L225 Difference]: With dead ends: 182 [2018-11-18 11:25:06,115 INFO L226 Difference]: Without dead ends: 128 [2018-11-18 11:25:06,115 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:25:06,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-18 11:25:06,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2018-11-18 11:25:06,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-11-18 11:25:06,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 144 transitions. [2018-11-18 11:25:06,133 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 144 transitions. Word has length 61 [2018-11-18 11:25:06,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:25:06,133 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 144 transitions. [2018-11-18 11:25:06,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:25:06,133 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 144 transitions. [2018-11-18 11:25:06,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 11:25:06,136 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:25:06,136 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] [2018-11-18 11:25:06,136 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:25:06,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:25:06,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1245678853, now seen corresponding path program 1 times [2018-11-18 11:25:06,137 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:25:06,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:25:06,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:25:06,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:25:06,138 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:25:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:25:06,279 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 11:25:06,279 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:25:06,279 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:25:06,279 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:25:06,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:25:06,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:25:06,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:25:06,281 INFO L87 Difference]: Start difference. First operand 126 states and 144 transitions. Second operand 6 states. [2018-11-18 11:25:06,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:25:06,697 INFO L93 Difference]: Finished difference Result 214 states and 251 transitions. [2018-11-18 11:25:06,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:25:06,697 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2018-11-18 11:25:06,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:25:06,697 INFO L225 Difference]: With dead ends: 214 [2018-11-18 11:25:06,698 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:25:06,698 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:25:06,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:25:06,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:25:06,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:25:06,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:25:06,699 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2018-11-18 11:25:06,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:25:06,699 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:25:06,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:25:06,699 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:25:06,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:25:06,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:25:07,368 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 701 707) no Hoare annotation was computed. [2018-11-18 11:25:07,368 INFO L428 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 701 707) the Hoare annotation is: true [2018-11-18 11:25:07,368 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-18 11:25:07,369 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-18 11:25:07,369 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-18 11:25:07,369 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-18 11:25:07,369 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-18 11:25:07,369 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 805) no Hoare annotation was computed. [2018-11-18 11:25:07,369 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 789 854) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:25:07,369 INFO L425 ceAbstractionStarter]: For program point L799-1(lines 799 846) no Hoare annotation was computed. [2018-11-18 11:25:07,370 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 789 854) no Hoare annotation was computed. [2018-11-18 11:25:07,370 INFO L421 ceAbstractionStarter]: At program point L847(lines 798 848) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:25:07,370 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 841) no Hoare annotation was computed. [2018-11-18 11:25:07,370 INFO L421 ceAbstractionStarter]: At program point L837-2(lines 829 842) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:25:07,370 INFO L425 ceAbstractionStarter]: For program point L800(lines 799 846) no Hoare annotation was computed. [2018-11-18 11:25:07,370 INFO L421 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:25:07,370 INFO L425 ceAbstractionStarter]: For program point L829(lines 829 842) no Hoare annotation was computed. [2018-11-18 11:25:07,370 INFO L421 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:25:07,371 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 825) no Hoare annotation was computed. [2018-11-18 11:25:07,371 INFO L425 ceAbstractionStarter]: For program point L819-1(lines 819 825) no Hoare annotation was computed. [2018-11-18 11:25:07,371 INFO L421 ceAbstractionStarter]: At program point L844(lines 799 846) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:25:07,371 INFO L421 ceAbstractionStarter]: At program point L811(line 811) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:25:07,371 INFO L425 ceAbstractionStarter]: For program point L809(lines 809 815) no Hoare annotation was computed. [2018-11-18 11:25:07,371 INFO L425 ceAbstractionStarter]: For program point L809-1(lines 809 815) no Hoare annotation was computed. [2018-11-18 11:25:07,371 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 789 854) no Hoare annotation was computed. [2018-11-18 11:25:07,371 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 647 669) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:25:07,371 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 647 669) no Hoare annotation was computed. [2018-11-18 11:25:07,372 INFO L421 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:25:07,372 INFO L421 ceAbstractionStarter]: At program point L659-1(line 659) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:25:07,372 INFO L425 ceAbstractionStarter]: For program point L657(lines 657 664) no Hoare annotation was computed. [2018-11-18 11:25:07,372 INFO L425 ceAbstractionStarter]: For program point L657-1(lines 657 664) no Hoare annotation was computed. [2018-11-18 11:25:07,372 INFO L425 ceAbstractionStarter]: For program point L655(line 655) no Hoare annotation was computed. [2018-11-18 11:25:07,372 INFO L421 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:25:07,372 INFO L421 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:25:07,372 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 647 669) no Hoare annotation was computed. [2018-11-18 11:25:07,373 INFO L421 ceAbstractionStarter]: At program point L653-1(line 653) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:25:07,373 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 735 743) no Hoare annotation was computed. [2018-11-18 11:25:07,373 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 735 743) the Hoare annotation is: true [2018-11-18 11:25:07,373 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 735 743) no Hoare annotation was computed. [2018-11-18 11:25:07,373 INFO L421 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0)) [2018-11-18 11:25:07,373 INFO L425 ceAbstractionStarter]: For program point L188(lines 188 194) no Hoare annotation was computed. [2018-11-18 11:25:07,373 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 197) no Hoare annotation was computed. [2018-11-18 11:25:07,373 INFO L421 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 11:25:07,374 INFO L425 ceAbstractionStarter]: For program point L185-1(line 185) no Hoare annotation was computed. [2018-11-18 11:25:07,374 INFO L425 ceAbstractionStarter]: For program point L183(lines 183 200) no Hoare annotation was computed. [2018-11-18 11:25:07,374 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 175 203) no Hoare annotation was computed. [2018-11-18 11:25:07,374 INFO L428 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: true [2018-11-18 11:25:07,374 INFO L425 ceAbstractionStarter]: For program point L181-1(line 181) no Hoare annotation was computed. [2018-11-18 11:25:07,374 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 175 203) the Hoare annotation is: true [2018-11-18 11:25:07,374 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 175 203) no Hoare annotation was computed. [2018-11-18 11:25:07,374 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 167 174) the Hoare annotation is: true [2018-11-18 11:25:07,374 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 167 174) no Hoare annotation was computed. [2018-11-18 11:25:07,374 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 167 174) no Hoare annotation was computed. [2018-11-18 11:25:07,374 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:25:07,375 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:25:07,375 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:25:07,375 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 110 121) no Hoare annotation was computed. [2018-11-18 11:25:07,375 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 110 121) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0) (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:25:07,375 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 110 121) no Hoare annotation was computed. [2018-11-18 11:25:07,375 INFO L428 ceAbstractionStarter]: At program point L690(line 690) the Hoare annotation is: true [2018-11-18 11:25:07,375 INFO L428 ceAbstractionStarter]: At program point L688(lines 688 694) the Hoare annotation is: true [2018-11-18 11:25:07,375 INFO L428 ceAbstractionStarter]: At program point timeShiftENTRY(lines 677 700) the Hoare annotation is: true [2018-11-18 11:25:07,375 INFO L421 ceAbstractionStarter]: At program point L683(line 683) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0)) [2018-11-18 11:25:07,376 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 677 700) no Hoare annotation was computed. [2018-11-18 11:25:07,376 INFO L425 ceAbstractionStarter]: For program point L681(lines 680 699) no Hoare annotation was computed. [2018-11-18 11:25:07,376 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 677 700) no Hoare annotation was computed. [2018-11-18 11:25:07,376 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 573 602) no Hoare annotation was computed. [2018-11-18 11:25:07,376 INFO L425 ceAbstractionStarter]: For program point L587(lines 587 591) no Hoare annotation was computed. [2018-11-18 11:25:07,376 INFO L428 ceAbstractionStarter]: At program point L587-1(lines 587 591) the Hoare annotation is: true [2018-11-18 11:25:07,376 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 597) no Hoare annotation was computed. [2018-11-18 11:25:07,376 INFO L428 ceAbstractionStarter]: At program point L583-3(lines 583 597) the Hoare annotation is: true [2018-11-18 11:25:07,376 INFO L428 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: true [2018-11-18 11:25:07,377 INFO L425 ceAbstractionStarter]: For program point L579-1(line 579) no Hoare annotation was computed. [2018-11-18 11:25:07,377 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 573 602) the Hoare annotation is: true [2018-11-18 11:25:07,377 INFO L428 ceAbstractionStarter]: At program point L598(lines 573 602) the Hoare annotation is: true [2018-11-18 11:25:07,377 INFO L425 ceAbstractionStarter]: For program point L594(line 594) no Hoare annotation was computed. [2018-11-18 11:25:07,377 INFO L425 ceAbstractionStarter]: For program point L584(line 584) no Hoare annotation was computed. [2018-11-18 11:25:07,377 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 122 130) the Hoare annotation is: true [2018-11-18 11:25:07,377 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 122 130) no Hoare annotation was computed. [2018-11-18 11:25:07,377 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 122 130) no Hoare annotation was computed. [2018-11-18 11:25:07,377 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 86 97) the Hoare annotation is: true [2018-11-18 11:25:07,378 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 86 97) no Hoare annotation was computed. [2018-11-18 11:25:07,378 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 86 97) no Hoare annotation was computed. [2018-11-18 11:25:07,378 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-18 11:25:07,378 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-18 11:25:07,378 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 628 634) no Hoare annotation was computed. [2018-11-18 11:25:07,378 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 628 634) the Hoare annotation is: true [2018-11-18 11:25:07,378 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:25:07,378 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= ~pumpRunning~0 0)) [2018-11-18 11:25:07,379 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:25:07,379 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:25:07,379 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 780 787) no Hoare annotation was computed. [2018-11-18 11:25:07,379 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 780 787) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 0)) (= |old(~systemActive~0)| 0)) [2018-11-18 11:25:07,379 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 780 787) no Hoare annotation was computed. [2018-11-18 11:25:07,379 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 98 109) no Hoare annotation was computed. [2018-11-18 11:25:07,379 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 98 109) no Hoare annotation was computed. [2018-11-18 11:25:07,379 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 98 109) the Hoare annotation is: true [2018-11-18 11:25:07,380 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 856 863) no Hoare annotation was computed. [2018-11-18 11:25:07,380 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2018-11-18 11:25:07,380 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 856 863) the Hoare annotation is: true [2018-11-18 11:25:07,380 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 856 863) no Hoare annotation was computed. [2018-11-18 11:25:07,380 INFO L421 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:25:07,380 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 636 646) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:25:07,380 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 636 646) no Hoare annotation was computed. [2018-11-18 11:25:07,380 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 636 646) no Hoare annotation was computed. [2018-11-18 11:25:07,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:25:07 BoogieIcfgContainer [2018-11-18 11:25:07,390 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:25:07,391 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:25:07,391 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:25:07,391 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:25:07,392 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:25:04" (3/4) ... [2018-11-18 11:25:07,395 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:25:07,399 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 11:25:07,399 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 11:25:07,400 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 11:25:07,400 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 11:25:07,400 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:25:07,400 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 11:25:07,400 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 11:25:07,400 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 11:25:07,400 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:25:07,400 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 11:25:07,400 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 11:25:07,401 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 11:25:07,401 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 11:25:07,401 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 11:25:07,401 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 11:25:07,401 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 11:25:07,402 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 11:25:07,402 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 11:25:07,402 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 11:25:07,402 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 11:25:07,407 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-11-18 11:25:07,407 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 11:25:07,407 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 11:25:07,426 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || \old(systemActive) == 0) || (!(systemActive == 0) && splverifierCounter == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 11:25:07,427 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) [2018-11-18 11:25:07,474 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d265307e-5fd1-4348-897c-013ab88e1e90/bin-2019/utaipan/witness.graphml [2018-11-18 11:25:07,474 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:25:07,475 INFO L168 Benchmark]: Toolchain (without parser) took 3887.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 182.5 MB). Free memory was 959.8 MB in the beginning and 872.7 MB in the end (delta: 87.1 MB). Peak memory consumption was 269.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:25:07,476 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:25:07,476 INFO L168 Benchmark]: CACSL2BoogieTranslator took 480.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 182.5 MB). Free memory was 957.1 MB in the beginning and 1.2 GB in the end (delta: -220.4 MB). Peak memory consumption was 36.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:25:07,477 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:25:07,477 INFO L168 Benchmark]: Boogie Preprocessor took 28.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:25:07,477 INFO L168 Benchmark]: RCFGBuilder took 544.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 56.4 MB). Peak memory consumption was 56.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:25:07,477 INFO L168 Benchmark]: TraceAbstraction took 2725.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 879.3 MB in the end (delta: 235.3 MB). Peak memory consumption was 235.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:25:07,478 INFO L168 Benchmark]: Witness Printer took 83.55 ms. Allocated memory is still 1.2 GB. Free memory was 879.3 MB in the beginning and 872.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:25:07,479 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 480.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 182.5 MB). Free memory was 957.1 MB in the beginning and 1.2 GB in the end (delta: -220.4 MB). Peak memory consumption was 36.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 544.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 56.4 MB). Peak memory consumption was 56.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2725.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 879.3 MB in the end (delta: 235.3 MB). Peak memory consumption was 235.3 MB. Max. memory is 11.5 GB. * Witness Printer took 83.55 ms. Allocated memory is still 1.2 GB. Free memory was 879.3 MB in the beginning and 872.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 860]: 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: 798]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || \old(systemActive) == 0) || (!(systemActive == 0) && splverifierCounter == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 105 locations, 1 error locations. SAFE Result, 2.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 477 SDtfs, 166 SDslu, 592 SDs, 0 SdLazy, 101 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126occurred 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 163 PreInvPairs, 178 NumberOfFragments, 381 HoareAnnotationTreeSize, 163 FomulaSimplifications, 75 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 44 FomulaSimplificationsInter, 575 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 30270 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...