./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product04_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9a148b23-af56-4543-b869-1d94bdc8e8dc/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9a148b23-af56-4543-b869-1d94bdc8e8dc/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9a148b23-af56-4543-b869-1d94bdc8e8dc/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9a148b23-af56-4543-b869-1d94bdc8e8dc/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product04_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9a148b23-af56-4543-b869-1d94bdc8e8dc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9a148b23-af56-4543-b869-1d94bdc8e8dc/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 c5927a819a887aeff1d315c7b53a2aa383626d62 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:21:57,859 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:21:57,861 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:21:57,875 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:21:57,876 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:21:57,877 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:21:57,880 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:21:57,882 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:21:57,884 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:21:57,886 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:21:57,895 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:21:57,896 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:21:57,896 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:21:57,897 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:21:57,898 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:21:57,898 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:21:57,899 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:21:57,900 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:21:57,905 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:21:57,906 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:21:57,907 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:21:57,908 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:21:57,909 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:21:57,909 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:21:57,914 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:21:57,915 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:21:57,916 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:21:57,916 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:21:57,917 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:21:57,917 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:21:57,918 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:21:57,918 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:21:57,918 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:21:57,918 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:21:57,919 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:21:57,920 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:21:57,920 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9a148b23-af56-4543-b869-1d94bdc8e8dc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 20:21:57,931 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:21:57,932 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:21:57,932 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:21:57,932 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 20:21:57,933 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 20:21:57,933 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 20:21:57,933 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 20:21:57,933 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 20:21:57,933 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 20:21:57,933 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 20:21:57,933 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 20:21:57,935 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:21:57,935 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:21:57,935 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:21:57,935 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:21:57,936 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:21:57,936 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:21:57,936 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:21:57,936 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:21:57,936 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:21:57,936 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:21:57,936 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:21:57,937 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:21:57,937 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:21:57,937 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:21:57,937 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:21:57,937 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:21:57,937 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:21:57,937 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:21:57,939 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:21:57,939 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 20:21:57,940 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:21:57,940 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:21:57,940 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 20:21:57,940 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_9a148b23-af56-4543-b869-1d94bdc8e8dc/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 -> c5927a819a887aeff1d315c7b53a2aa383626d62 [2018-10-26 20:21:57,967 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:21:57,976 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:21:57,978 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:21:57,980 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:21:57,980 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:21:57,980 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9a148b23-af56-4543-b869-1d94bdc8e8dc/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product04_true-unreach-call_false-termination.cil.c [2018-10-26 20:21:58,023 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9a148b23-af56-4543-b869-1d94bdc8e8dc/bin-2019/utaipan/data/95b1f8d9b/cc5ec7968a954167b3924075d129cea6/FLAGdebde4c77 [2018-10-26 20:21:58,408 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:21:58,409 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9a148b23-af56-4543-b869-1d94bdc8e8dc/sv-benchmarks/c/product-lines/minepump_spec1_product04_true-unreach-call_false-termination.cil.c [2018-10-26 20:21:58,419 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9a148b23-af56-4543-b869-1d94bdc8e8dc/bin-2019/utaipan/data/95b1f8d9b/cc5ec7968a954167b3924075d129cea6/FLAGdebde4c77 [2018-10-26 20:21:58,430 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9a148b23-af56-4543-b869-1d94bdc8e8dc/bin-2019/utaipan/data/95b1f8d9b/cc5ec7968a954167b3924075d129cea6 [2018-10-26 20:21:58,432 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:21:58,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:21:58,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:21:58,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:21:58,437 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:21:58,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:21:58" (1/1) ... [2018-10-26 20:21:58,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9212c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:21:58, skipping insertion in model container [2018-10-26 20:21:58,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:21:58" (1/1) ... [2018-10-26 20:21:58,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:21:58,483 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:21:58,706 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:21:58,719 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:21:58,800 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:21:58,823 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:21:58,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:21:58 WrapperNode [2018-10-26 20:21:58,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:21:58,824 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:21:58,824 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:21:58,824 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:21:58,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:21:58" (1/1) ... [2018-10-26 20:21:58,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:21:58" (1/1) ... [2018-10-26 20:21:58,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:21:58,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:21:58,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:21:58,950 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:21:58,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:21:58" (1/1) ... [2018-10-26 20:21:58,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:21:58" (1/1) ... [2018-10-26 20:21:58,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:21:58" (1/1) ... [2018-10-26 20:21:58,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:21:58" (1/1) ... [2018-10-26 20:21:58,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:21:58" (1/1) ... [2018-10-26 20:21:58,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:21:58" (1/1) ... [2018-10-26 20:21:58,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:21:58" (1/1) ... [2018-10-26 20:21:59,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:21:59,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:21:59,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:21:59,001 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:21:59,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:21:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a148b23-af56-4543-b869-1d94bdc8e8dc/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:21:59,064 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-26 20:21:59,064 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-26 20:21:59,064 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 20:21:59,065 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 20:21:59,065 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-10-26 20:21:59,065 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-10-26 20:21:59,065 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-26 20:21:59,065 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-26 20:21:59,065 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-26 20:21:59,065 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-26 20:21:59,065 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-26 20:21:59,065 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-26 20:21:59,065 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 20:21:59,066 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 20:21:59,066 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 20:21:59,066 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 20:21:59,066 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 20:21:59,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 20:21:59,066 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-26 20:21:59,066 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-26 20:21:59,066 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-10-26 20:21:59,066 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-10-26 20:21:59,066 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 20:21:59,067 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 20:21:59,067 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-26 20:21:59,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-26 20:21:59,067 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-26 20:21:59,067 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-26 20:21:59,067 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-26 20:21:59,067 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-26 20:21:59,067 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-26 20:21:59,067 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-26 20:21:59,067 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 20:21:59,068 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 20:21:59,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 20:21:59,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 20:21:59,068 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 20:21:59,068 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 20:21:59,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:21:59,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:21:59,068 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-26 20:21:59,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-26 20:21:59,068 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-10-26 20:21:59,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-10-26 20:21:59,993 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:21:59,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:21:59 BoogieIcfgContainer [2018-10-26 20:21:59,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:21:59,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 20:21:59,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 20:21:59,997 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 20:21:59,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:21:58" (1/3) ... [2018-10-26 20:21:59,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f38024c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:21:59, skipping insertion in model container [2018-10-26 20:21:59,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:21:58" (2/3) ... [2018-10-26 20:21:59,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f38024c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:21:59, skipping insertion in model container [2018-10-26 20:21:59,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:21:59" (3/3) ... [2018-10-26 20:22:00,000 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product04_true-unreach-call_false-termination.cil.c [2018-10-26 20:22:00,008 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 20:22:00,014 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 20:22:00,027 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 20:22:00,053 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 20:22:00,054 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 20:22:00,054 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 20:22:00,054 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 20:22:00,054 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 20:22:00,054 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 20:22:00,055 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 20:22:00,055 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 20:22:00,071 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2018-10-26 20:22:00,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 20:22:00,078 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:22:00,079 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] [2018-10-26 20:22:00,081 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:22:00,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:22:00,086 INFO L82 PathProgramCache]: Analyzing trace with hash -220611976, now seen corresponding path program 1 times [2018-10-26 20:22:00,088 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:22:00,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:22:00,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:22:00,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:22:00,125 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:22:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:22:00,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:22:00,310 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:22:00,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 20:22:00,311 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:22:00,317 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 20:22:00,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 20:22:00,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 20:22:00,331 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2018-10-26 20:22:00,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:22:00,360 INFO L93 Difference]: Finished difference Result 192 states and 237 transitions. [2018-10-26 20:22:00,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 20:22:00,361 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-10-26 20:22:00,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:22:00,372 INFO L225 Difference]: With dead ends: 192 [2018-10-26 20:22:00,372 INFO L226 Difference]: Without dead ends: 96 [2018-10-26 20:22:00,376 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 20:22:00,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-10-26 20:22:00,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-10-26 20:22:00,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-10-26 20:22:00,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 110 transitions. [2018-10-26 20:22:00,423 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 110 transitions. Word has length 46 [2018-10-26 20:22:00,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:22:00,423 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 110 transitions. [2018-10-26 20:22:00,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 20:22:00,423 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions. [2018-10-26 20:22:00,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 20:22:00,428 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:22:00,428 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] [2018-10-26 20:22:00,428 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:22:00,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:22:00,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1188078752, now seen corresponding path program 1 times [2018-10-26 20:22:00,429 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:22:00,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:22:00,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:22:00,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:22:00,431 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:22:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:22:00,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:22:00,533 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:22:00,533 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:22:00,533 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:22:00,535 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 20:22:00,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 20:22:00,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:22:00,536 INFO L87 Difference]: Start difference. First operand 96 states and 110 transitions. Second operand 3 states. [2018-10-26 20:22:00,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:22:00,562 INFO L93 Difference]: Finished difference Result 126 states and 143 transitions. [2018-10-26 20:22:00,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 20:22:00,563 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-10-26 20:22:00,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:22:00,564 INFO L225 Difference]: With dead ends: 126 [2018-10-26 20:22:00,564 INFO L226 Difference]: Without dead ends: 86 [2018-10-26 20:22:00,565 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:22:00,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-10-26 20:22:00,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-10-26 20:22:00,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-10-26 20:22:00,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 97 transitions. [2018-10-26 20:22:00,576 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 97 transitions. Word has length 48 [2018-10-26 20:22:00,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:22:00,576 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 97 transitions. [2018-10-26 20:22:00,576 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 20:22:00,576 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2018-10-26 20:22:00,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 20:22:00,578 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:22:00,578 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] [2018-10-26 20:22:00,578 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:22:00,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:22:00,578 INFO L82 PathProgramCache]: Analyzing trace with hash -2048615716, now seen corresponding path program 1 times [2018-10-26 20:22:00,578 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:22:00,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:22:00,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:22:00,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:22:00,579 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:22:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:22:00,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:22:00,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:22:00,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:22:00,856 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:22:00,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:22:00,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:22:00,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:22:00,857 INFO L87 Difference]: Start difference. First operand 86 states and 97 transitions. Second operand 7 states. [2018-10-26 20:22:01,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:22:01,400 INFO L93 Difference]: Finished difference Result 261 states and 312 transitions. [2018-10-26 20:22:01,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 20:22:01,400 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-10-26 20:22:01,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:22:01,402 INFO L225 Difference]: With dead ends: 261 [2018-10-26 20:22:01,403 INFO L226 Difference]: Without dead ends: 199 [2018-10-26 20:22:01,403 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-26 20:22:01,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2018-10-26 20:22:01,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 175. [2018-10-26 20:22:01,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-10-26 20:22:01,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 207 transitions. [2018-10-26 20:22:01,429 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 207 transitions. Word has length 53 [2018-10-26 20:22:01,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:22:01,430 INFO L481 AbstractCegarLoop]: Abstraction has 175 states and 207 transitions. [2018-10-26 20:22:01,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:22:01,431 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 207 transitions. [2018-10-26 20:22:01,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-26 20:22:01,432 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:22:01,432 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] [2018-10-26 20:22:01,432 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:22:01,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:22:01,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1390692238, now seen corresponding path program 1 times [2018-10-26 20:22:01,433 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:22:01,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:22:01,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:22:01,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:22:01,436 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:22:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:22:01,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:22:01,673 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:22:01,673 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 20:22:01,673 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:22:01,674 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 20:22:01,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 20:22:01,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 20:22:01,675 INFO L87 Difference]: Start difference. First operand 175 states and 207 transitions. Second operand 6 states. [2018-10-26 20:22:02,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:22:02,808 INFO L93 Difference]: Finished difference Result 462 states and 569 transitions. [2018-10-26 20:22:02,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 20:22:02,810 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2018-10-26 20:22:02,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:22:02,812 INFO L225 Difference]: With dead ends: 462 [2018-10-26 20:22:02,812 INFO L226 Difference]: Without dead ends: 311 [2018-10-26 20:22:02,813 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-26 20:22:02,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-10-26 20:22:02,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 305. [2018-10-26 20:22:02,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2018-10-26 20:22:02,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 364 transitions. [2018-10-26 20:22:02,874 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 364 transitions. Word has length 56 [2018-10-26 20:22:02,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:22:02,875 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 364 transitions. [2018-10-26 20:22:02,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 20:22:02,875 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 364 transitions. [2018-10-26 20:22:02,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-26 20:22:02,877 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:22:02,877 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:22:02,886 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:22:02,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:22:02,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1079084822, now seen corresponding path program 1 times [2018-10-26 20:22:02,886 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:22:02,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:22:02,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:22:02,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:22:02,887 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:22:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:22:03,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:22:03,017 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:22:03,017 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 20:22:03,017 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:22:03,018 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 20:22:03,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 20:22:03,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 20:22:03,018 INFO L87 Difference]: Start difference. First operand 305 states and 364 transitions. Second operand 6 states. [2018-10-26 20:22:03,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:22:03,249 INFO L93 Difference]: Finished difference Result 557 states and 680 transitions. [2018-10-26 20:22:03,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 20:22:03,252 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-10-26 20:22:03,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:22:03,253 INFO L225 Difference]: With dead ends: 557 [2018-10-26 20:22:03,253 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 20:22:03,255 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-26 20:22:03,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 20:22:03,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 20:22:03,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 20:22:03,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 20:22:03,256 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2018-10-26 20:22:03,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:22:03,256 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 20:22:03,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 20:22:03,256 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 20:22:03,258 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 20:22:03,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 20:22:03,659 WARN L179 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 4 [2018-10-26 20:22:03,826 WARN L179 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-26 20:22:03,998 WARN L179 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-26 20:22:04,530 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 174 181) the Hoare annotation is: true [2018-10-26 20:22:04,530 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 174 181) no Hoare annotation was computed. [2018-10-26 20:22:04,530 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 174 181) no Hoare annotation was computed. [2018-10-26 20:22:04,530 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 159 165) no Hoare annotation was computed. [2018-10-26 20:22:04,530 INFO L428 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 159 165) the Hoare annotation is: true [2018-10-26 20:22:04,530 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 730 736) the Hoare annotation is: true [2018-10-26 20:22:04,530 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 730 736) no Hoare annotation was computed. [2018-10-26 20:22:04,531 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 737 745) no Hoare annotation was computed. [2018-10-26 20:22:04,531 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 737 745) the Hoare annotation is: true [2018-10-26 20:22:04,531 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 737 745) no Hoare annotation was computed. [2018-10-26 20:22:04,531 INFO L421 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 20:22:04,531 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 55 122) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 20:22:04,531 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 110) no Hoare annotation was computed. [2018-10-26 20:22:04,531 INFO L421 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 20:22:04,531 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 55 122) no Hoare annotation was computed. [2018-10-26 20:22:04,532 INFO L425 ceAbstractionStarter]: For program point L85(lines 85 91) no Hoare annotation was computed. [2018-10-26 20:22:04,532 INFO L425 ceAbstractionStarter]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2018-10-26 20:22:04,532 INFO L421 ceAbstractionStarter]: At program point L112(lines 65 114) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 20:22:04,532 INFO L421 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 20:22:04,532 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-10-26 20:22:04,532 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2018-10-26 20:22:04,532 INFO L425 ceAbstractionStarter]: For program point L67(lines 67 71) no Hoare annotation was computed. [2018-10-26 20:22:04,532 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 65 114) no Hoare annotation was computed. [2018-10-26 20:22:04,533 INFO L421 ceAbstractionStarter]: At program point L115(lines 64 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 20:22:04,533 INFO L421 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 20:22:04,533 INFO L425 ceAbstractionStarter]: For program point L103(lines 103 109) no Hoare annotation was computed. [2018-10-26 20:22:04,533 INFO L421 ceAbstractionStarter]: At program point L103-1(lines 95 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 20:22:04,533 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 55 122) no Hoare annotation was computed. [2018-10-26 20:22:04,533 INFO L425 ceAbstractionStarter]: For program point L66(lines 65 114) no Hoare annotation was computed. [2018-10-26 20:22:04,533 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 845 867) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 20:22:04,533 INFO L421 ceAbstractionStarter]: At program point L857(line 857) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 20:22:04,539 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 845 867) no Hoare annotation was computed. [2018-10-26 20:22:04,539 INFO L421 ceAbstractionStarter]: At program point L857-1(line 857) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 20:22:04,539 INFO L425 ceAbstractionStarter]: For program point L855(lines 855 862) no Hoare annotation was computed. [2018-10-26 20:22:04,539 INFO L425 ceAbstractionStarter]: For program point L855-1(lines 855 862) no Hoare annotation was computed. [2018-10-26 20:22:04,540 INFO L425 ceAbstractionStarter]: For program point L853(line 853) no Hoare annotation was computed. [2018-10-26 20:22:04,540 INFO L421 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 20:22:04,540 INFO L421 ceAbstractionStarter]: At program point L851(line 851) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 20:22:04,540 INFO L421 ceAbstractionStarter]: At program point L851-1(line 851) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 20:22:04,540 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 845 867) no Hoare annotation was computed. [2018-10-26 20:22:04,540 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 238 252) no Hoare annotation was computed. [2018-10-26 20:22:04,540 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 238 252) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-10-26 20:22:04,540 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 238 252) no Hoare annotation was computed. [2018-10-26 20:22:04,540 INFO L421 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-10-26 20:22:04,540 INFO L425 ceAbstractionStarter]: For program point L242(lines 242 248) no Hoare annotation was computed. [2018-10-26 20:22:04,541 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 193 201) no Hoare annotation was computed. [2018-10-26 20:22:04,541 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 193 201) the Hoare annotation is: true [2018-10-26 20:22:04,541 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 193 201) no Hoare annotation was computed. [2018-10-26 20:22:04,541 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 20:22:04,541 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-26 20:22:04,541 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 20:22:04,541 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 655 666) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 20:22:04,541 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 655 666) no Hoare annotation was computed. [2018-10-26 20:22:04,541 INFO L425 ceAbstractionStarter]: For program point L659-1(lines 655 666) no Hoare annotation was computed. [2018-10-26 20:22:04,541 INFO L421 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: (or (not (= ~systemActive~0 0)) (not (= 0 ~pumpRunning~0))) [2018-10-26 20:22:04,541 INFO L428 ceAbstractionStarter]: At program point L146(lines 146 152) the Hoare annotation is: true [2018-10-26 20:22:04,541 INFO L428 ceAbstractionStarter]: At program point timeShiftENTRY(lines 135 158) the Hoare annotation is: true [2018-10-26 20:22:04,542 INFO L421 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-10-26 20:22:04,542 INFO L425 ceAbstractionStarter]: For program point L139(lines 138 157) no Hoare annotation was computed. [2018-10-26 20:22:04,542 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 135 158) no Hoare annotation was computed. [2018-10-26 20:22:04,542 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 135 158) no Hoare annotation was computed. [2018-10-26 20:22:04,542 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 774 803) no Hoare annotation was computed. [2018-10-26 20:22:04,542 INFO L428 ceAbstractionStarter]: At program point L799(lines 774 803) the Hoare annotation is: true [2018-10-26 20:22:04,542 INFO L425 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2018-10-26 20:22:04,542 INFO L425 ceAbstractionStarter]: For program point L785(line 785) no Hoare annotation was computed. [2018-10-26 20:22:04,542 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 774 803) the Hoare annotation is: true [2018-10-26 20:22:04,542 INFO L425 ceAbstractionStarter]: For program point L788(lines 788 792) no Hoare annotation was computed. [2018-10-26 20:22:04,542 INFO L428 ceAbstractionStarter]: At program point L788-1(lines 788 792) the Hoare annotation is: true [2018-10-26 20:22:04,542 INFO L425 ceAbstractionStarter]: For program point L784-1(lines 784 798) no Hoare annotation was computed. [2018-10-26 20:22:04,543 INFO L428 ceAbstractionStarter]: At program point L784-3(lines 784 798) the Hoare annotation is: true [2018-10-26 20:22:04,543 INFO L428 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: true [2018-10-26 20:22:04,543 INFO L425 ceAbstractionStarter]: For program point L780-1(line 780) no Hoare annotation was computed. [2018-10-26 20:22:04,543 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 667 675) the Hoare annotation is: true [2018-10-26 20:22:04,543 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 667 675) no Hoare annotation was computed. [2018-10-26 20:22:04,543 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 667 675) no Hoare annotation was computed. [2018-10-26 20:22:04,543 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 631 642) the Hoare annotation is: true [2018-10-26 20:22:04,543 INFO L425 ceAbstractionStarter]: For program point L635-1(lines 631 642) no Hoare annotation was computed. [2018-10-26 20:22:04,543 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 631 642) no Hoare annotation was computed. [2018-10-26 20:22:04,543 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 723 729) no Hoare annotation was computed. [2018-10-26 20:22:04,543 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 723 729) the Hoare annotation is: true [2018-10-26 20:22:04,543 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 20:22:04,544 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-10-26 20:22:04,544 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 20:22:04,544 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 20:22:04,544 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 828 834) no Hoare annotation was computed. [2018-10-26 20:22:04,544 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 828 834) the Hoare annotation is: true [2018-10-26 20:22:04,544 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 253 260) no Hoare annotation was computed. [2018-10-26 20:22:04,544 INFO L428 ceAbstractionStarter]: At program point startSystemENTRY(lines 253 260) the Hoare annotation is: true [2018-10-26 20:22:04,544 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 253 260) no Hoare annotation was computed. [2018-10-26 20:22:04,544 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 643 654) no Hoare annotation was computed. [2018-10-26 20:22:04,544 INFO L425 ceAbstractionStarter]: For program point L647-1(lines 643 654) no Hoare annotation was computed. [2018-10-26 20:22:04,544 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 643 654) the Hoare annotation is: true [2018-10-26 20:22:04,544 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-10-26 20:22:04,545 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-10-26 20:22:04,545 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-10-26 20:22:04,545 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-10-26 20:22:04,545 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 835 844) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 20:22:04,545 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 835 844) no Hoare annotation was computed. [2018-10-26 20:22:04,545 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 835 844) no Hoare annotation was computed. [2018-10-26 20:22:04,545 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 747 771) the Hoare annotation is: true [2018-10-26 20:22:04,545 INFO L421 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-10-26 20:22:04,545 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 747 771) no Hoare annotation was computed. [2018-10-26 20:22:04,545 INFO L425 ceAbstractionStarter]: For program point L759(lines 759 765) no Hoare annotation was computed. [2018-10-26 20:22:04,545 INFO L421 ceAbstractionStarter]: At program point L757(line 757) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-10-26 20:22:04,546 INFO L425 ceAbstractionStarter]: For program point L757-1(line 757) no Hoare annotation was computed. [2018-10-26 20:22:04,546 INFO L425 ceAbstractionStarter]: For program point L755(lines 755 768) no Hoare annotation was computed. [2018-10-26 20:22:04,546 INFO L425 ceAbstractionStarter]: For program point L755-1(lines 747 771) no Hoare annotation was computed. [2018-10-26 20:22:04,546 INFO L428 ceAbstractionStarter]: At program point L753(line 753) the Hoare annotation is: true [2018-10-26 20:22:04,546 INFO L425 ceAbstractionStarter]: For program point L753-1(line 753) no Hoare annotation was computed. [2018-10-26 20:22:04,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:22:04 BoogieIcfgContainer [2018-10-26 20:22:04,556 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 20:22:04,557 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:22:04,557 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:22:04,557 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:22:04,557 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:21:59" (3/4) ... [2018-10-26 20:22:04,560 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 20:22:04,566 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 20:22:04,566 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-26 20:22:04,566 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-26 20:22:04,566 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-26 20:22:04,566 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-26 20:22:04,566 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 20:22:04,567 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-10-26 20:22:04,567 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-26 20:22:04,567 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 20:22:04,567 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 20:22:04,567 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 20:22:04,567 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 20:22:04,567 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 20:22:04,567 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-26 20:22:04,567 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-26 20:22:04,568 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-26 20:22:04,568 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-10-26 20:22:04,568 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 20:22:04,568 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-26 20:22:04,568 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-26 20:22:04,568 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-10-26 20:22:04,577 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 137 nodes and edges [2018-10-26 20:22:04,577 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 20:22:04,578 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-26 20:22:04,604 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-10-26 20:22:04,604 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-10-26 20:22:04,647 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9a148b23-af56-4543-b869-1d94bdc8e8dc/bin-2019/utaipan/witness.graphml [2018-10-26 20:22:04,647 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:22:04,648 INFO L168 Benchmark]: Toolchain (without parser) took 6215.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 200.3 MB). Free memory was 954.5 MB in the beginning and 1.1 GB in the end (delta: -194.9 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:22:04,649 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:22:04,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.66 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 930.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 20:22:04,649 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 930.3 MB in the beginning and 1.1 GB in the end (delta: -196.7 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-10-26 20:22:04,649 INFO L168 Benchmark]: Boogie Preprocessor took 50.78 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: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:22:04,650 INFO L168 Benchmark]: RCFGBuilder took 992.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.9 MB). Peak memory consumption was 78.9 MB. Max. memory is 11.5 GB. [2018-10-26 20:22:04,650 INFO L168 Benchmark]: TraceAbstraction took 4562.62 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -117.0 MB). Peak memory consumption was 252.9 MB. Max. memory is 11.5 GB. [2018-10-26 20:22:04,650 INFO L168 Benchmark]: Witness Printer took 90.60 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:22:04,652 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 389.66 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 930.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 126.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 930.3 MB in the beginning and 1.1 GB in the end (delta: -196.7 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.78 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: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 992.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.9 MB). Peak memory consumption was 78.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4562.62 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -117.0 MB). Peak memory consumption was 252.9 MB. Max. memory is 11.5 GB. * Witness Printer took 90.60 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 65]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 109 locations, 1 error locations. SAFE Result, 4.5s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.0s AutomataDifference, 0.0s DeadEndRemovalTime, 1.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 517 SDtfs, 253 SDslu, 1047 SDs, 0 SdLazy, 245 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=305occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 30 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 308 PreInvPairs, 351 NumberOfFragments, 406 HoareAnnotationTreeSize, 308 FomulaSimplifications, 343 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 46 FomulaSimplificationsInter, 1233 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 25746 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...