./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product02_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_bca52888-3d31-4dbe-89bf-7836376704f5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bca52888-3d31-4dbe-89bf-7836376704f5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bca52888-3d31-4dbe-89bf-7836376704f5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bca52888-3d31-4dbe-89bf-7836376704f5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product02_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bca52888-3d31-4dbe-89bf-7836376704f5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bca52888-3d31-4dbe-89bf-7836376704f5/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 14bbe860e6ae6a1128c2aa8898396ae07ba8a16d ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:51:57,242 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:51:57,243 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:51:57,264 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:51:57,265 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:51:57,266 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:51:57,270 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:51:57,272 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:51:57,276 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:51:57,278 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:51:57,280 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:51:57,280 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:51:57,281 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:51:57,282 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:51:57,283 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:51:57,284 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:51:57,287 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:51:57,290 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:51:57,293 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:51:57,302 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:51:57,305 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:51:57,306 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:51:57,308 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:51:57,309 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:51:57,310 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:51:57,310 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:51:57,311 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:51:57,312 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:51:57,313 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:51:57,313 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:51:57,314 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:51:57,314 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:51:57,314 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:51:57,318 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:51:57,319 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:51:57,320 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:51:57,321 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bca52888-3d31-4dbe-89bf-7836376704f5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 22:51:57,339 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:51:57,340 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:51:57,341 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:51:57,342 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 22:51:57,342 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 22:51:57,342 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 22:51:57,343 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 22:51:57,344 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 22:51:57,344 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 22:51:57,344 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 22:51:57,344 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 22:51:57,345 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:51:57,347 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:51:57,347 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:51:57,347 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:51:57,348 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:51:57,348 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:51:57,348 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:51:57,348 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:51:57,348 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:51:57,348 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:51:57,349 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:51:57,349 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:51:57,349 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:51:57,349 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:51:57,349 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:51:57,349 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:51:57,350 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:51:57,350 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:51:57,350 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:51:57,350 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 22:51:57,350 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:51:57,350 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:51:57,351 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 22:51:57,351 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_bca52888-3d31-4dbe-89bf-7836376704f5/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 -> 14bbe860e6ae6a1128c2aa8898396ae07ba8a16d [2018-10-26 22:51:57,388 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:51:57,403 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:51:57,407 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:51:57,409 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:51:57,409 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:51:57,410 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bca52888-3d31-4dbe-89bf-7836376704f5/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product02_true-unreach-call_false-termination.cil.c [2018-10-26 22:51:57,469 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bca52888-3d31-4dbe-89bf-7836376704f5/bin-2019/utaipan/data/ac8173ac1/53e54676df5e478a8af39244338ffb71/FLAG7a3679779 [2018-10-26 22:51:57,890 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:51:57,891 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bca52888-3d31-4dbe-89bf-7836376704f5/sv-benchmarks/c/product-lines/minepump_spec1_product02_true-unreach-call_false-termination.cil.c [2018-10-26 22:51:57,908 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bca52888-3d31-4dbe-89bf-7836376704f5/bin-2019/utaipan/data/ac8173ac1/53e54676df5e478a8af39244338ffb71/FLAG7a3679779 [2018-10-26 22:51:57,923 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bca52888-3d31-4dbe-89bf-7836376704f5/bin-2019/utaipan/data/ac8173ac1/53e54676df5e478a8af39244338ffb71 [2018-10-26 22:51:57,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:51:57,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:51:57,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:51:57,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:51:57,932 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:51:57,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:51:57" (1/1) ... [2018-10-26 22:51:57,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ffa6d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:51:57, skipping insertion in model container [2018-10-26 22:51:57,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:51:57" (1/1) ... [2018-10-26 22:51:57,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:51:57,992 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:51:58,243 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:51:58,254 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:51:58,354 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:51:58,385 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:51:58,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:51:58 WrapperNode [2018-10-26 22:51:58,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:51:58,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:51:58,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:51:58,387 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:51:58,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:51:58" (1/1) ... [2018-10-26 22:51:58,415 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:51:58" (1/1) ... [2018-10-26 22:51:58,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:51:58,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:51:58,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:51:58,544 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:51:58,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:51:58" (1/1) ... [2018-10-26 22:51:58,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:51:58" (1/1) ... [2018-10-26 22:51:58,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:51:58" (1/1) ... [2018-10-26 22:51:58,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:51:58" (1/1) ... [2018-10-26 22:51:58,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:51:58" (1/1) ... [2018-10-26 22:51:58,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:51:58" (1/1) ... [2018-10-26 22:51:58,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:51:58" (1/1) ... [2018-10-26 22:51:58,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:51:58,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:51:58,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:51:58,608 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:51:58,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:51:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bca52888-3d31-4dbe-89bf-7836376704f5/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 22:51:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-26 22:51:58,672 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-26 22:51:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-26 22:51:58,673 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-26 22:51:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:51:58,673 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:51:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-26 22:51:58,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-26 22:51:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-26 22:51:58,674 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-26 22:51:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-26 22:51:58,674 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-26 22:51:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-26 22:51:58,674 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-26 22:51:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-26 22:51:58,674 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-26 22:51:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:51:58,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:51:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 22:51:58,675 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 22:51:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 22:51:58,675 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 22:51:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 22:51:58,675 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 22:51:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 22:51:58,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 22:51:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-26 22:51:58,679 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-26 22:51:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:51:58,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:51:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-26 22:51:58,679 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-26 22:51:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-10-26 22:51:58,680 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-10-26 22:51:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 22:51:58,680 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 22:51:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-26 22:51:58,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-26 22:51:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-10-26 22:51:58,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-10-26 22:51:59,764 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:51:59,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:51:59 BoogieIcfgContainer [2018-10-26 22:51:59,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:51:59,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:51:59,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:51:59,770 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:51:59,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:51:57" (1/3) ... [2018-10-26 22:51:59,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312677b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:51:59, skipping insertion in model container [2018-10-26 22:51:59,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:51:58" (2/3) ... [2018-10-26 22:51:59,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312677b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:51:59, skipping insertion in model container [2018-10-26 22:51:59,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:51:59" (3/3) ... [2018-10-26 22:51:59,773 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product02_true-unreach-call_false-termination.cil.c [2018-10-26 22:51:59,783 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:51:59,792 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:51:59,811 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:51:59,845 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:51:59,845 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:51:59,846 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:51:59,846 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:51:59,846 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:51:59,846 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:51:59,846 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:51:59,846 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:51:59,867 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states. [2018-10-26 22:51:59,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 22:51:59,875 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:51:59,876 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 22:51:59,879 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:51:59,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:51:59,885 INFO L82 PathProgramCache]: Analyzing trace with hash -215381442, now seen corresponding path program 1 times [2018-10-26 22:51:59,888 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:51:59,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:51:59,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:51:59,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:51:59,943 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:52:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:52:00,267 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 22:52:00,269 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:52:00,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 22:52:00,270 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:52:00,275 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 22:52:00,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 22:52:00,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:52:00,295 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 2 states. [2018-10-26 22:52:00,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:52:00,323 INFO L93 Difference]: Finished difference Result 174 states and 217 transitions. [2018-10-26 22:52:00,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 22:52:00,324 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-10-26 22:52:00,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:52:00,336 INFO L225 Difference]: With dead ends: 174 [2018-10-26 22:52:00,336 INFO L226 Difference]: Without dead ends: 87 [2018-10-26 22:52:00,340 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 22:52:00,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-10-26 22:52:00,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-10-26 22:52:00,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-10-26 22:52:00,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 100 transitions. [2018-10-26 22:52:00,390 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 100 transitions. Word has length 46 [2018-10-26 22:52:00,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:52:00,390 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 100 transitions. [2018-10-26 22:52:00,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 22:52:00,390 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 100 transitions. [2018-10-26 22:52:00,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 22:52:00,393 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:52:00,393 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 22:52:00,394 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:52:00,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:52:00,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1866915781, now seen corresponding path program 1 times [2018-10-26 22:52:00,394 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:52:00,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:52:00,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:52:00,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:52:00,396 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:52:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:52:00,521 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 22:52:00,521 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:52:00,522 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:52:00,522 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:52:00,524 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:52:00,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:52:00,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:52:00,525 INFO L87 Difference]: Start difference. First operand 87 states and 100 transitions. Second operand 3 states. [2018-10-26 22:52:00,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:52:00,556 INFO L93 Difference]: Finished difference Result 117 states and 133 transitions. [2018-10-26 22:52:00,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:52:00,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-10-26 22:52:00,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:52:00,558 INFO L225 Difference]: With dead ends: 117 [2018-10-26 22:52:00,558 INFO L226 Difference]: Without dead ends: 77 [2018-10-26 22:52:00,559 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 22:52:00,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-10-26 22:52:00,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-10-26 22:52:00,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-10-26 22:52:00,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2018-10-26 22:52:00,570 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 48 [2018-10-26 22:52:00,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:52:00,571 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2018-10-26 22:52:00,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:52:00,571 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2018-10-26 22:52:00,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 22:52:00,574 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:52:00,574 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 22:52:00,575 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:52:00,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:52:00,575 INFO L82 PathProgramCache]: Analyzing trace with hash 774637164, now seen corresponding path program 1 times [2018-10-26 22:52:00,575 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:52:00,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:52:00,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:52:00,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:52:00,576 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:52:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:52:00,844 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 22:52:00,844 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:52:00,844 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 22:52:00,845 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:52:00,845 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 22:52:00,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 22:52:00,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:52:00,846 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand 7 states. [2018-10-26 22:52:01,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:52:01,999 INFO L93 Difference]: Finished difference Result 130 states and 151 transitions. [2018-10-26 22:52:02,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 22:52:02,000 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-10-26 22:52:02,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:52:02,002 INFO L225 Difference]: With dead ends: 130 [2018-10-26 22:52:02,002 INFO L226 Difference]: Without dead ends: 77 [2018-10-26 22:52:02,003 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:52:02,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-10-26 22:52:02,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-10-26 22:52:02,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-10-26 22:52:02,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 86 transitions. [2018-10-26 22:52:02,015 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 86 transitions. Word has length 53 [2018-10-26 22:52:02,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:52:02,015 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 86 transitions. [2018-10-26 22:52:02,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 22:52:02,015 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2018-10-26 22:52:02,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-26 22:52:02,017 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:52:02,017 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 22:52:02,017 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:52:02,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:52:02,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1823736084, now seen corresponding path program 1 times [2018-10-26 22:52:02,018 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:52:02,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:52:02,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:52:02,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:52:02,020 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:52:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:52:02,233 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 22:52:02,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:52:02,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:52:02,234 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:52:02,235 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:52:02,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:52:02,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:52:02,235 INFO L87 Difference]: Start difference. First operand 77 states and 86 transitions. Second operand 6 states. [2018-10-26 22:52:02,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:52:02,603 INFO L93 Difference]: Finished difference Result 176 states and 207 transitions. [2018-10-26 22:52:02,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 22:52:02,603 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2018-10-26 22:52:02,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:52:02,607 INFO L225 Difference]: With dead ends: 176 [2018-10-26 22:52:02,607 INFO L226 Difference]: Without dead ends: 123 [2018-10-26 22:52:02,608 INFO L605 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 [2018-10-26 22:52:02,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-10-26 22:52:02,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 121. [2018-10-26 22:52:02,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-10-26 22:52:02,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 138 transitions. [2018-10-26 22:52:02,627 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 138 transitions. Word has length 56 [2018-10-26 22:52:02,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:52:02,628 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 138 transitions. [2018-10-26 22:52:02,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:52:02,628 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2018-10-26 22:52:02,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-26 22:52:02,630 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:52:02,630 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 22:52:02,630 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:52:02,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:52:02,630 INFO L82 PathProgramCache]: Analyzing trace with hash 497362488, now seen corresponding path program 1 times [2018-10-26 22:52:02,631 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:52:02,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:52:02,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:52:02,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:52:02,632 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:52:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:52:03,130 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 22:52:03,131 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:52:03,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:52:03,132 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:52:03,133 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:52:03,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:52:03,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:52:03,135 INFO L87 Difference]: Start difference. First operand 121 states and 138 transitions. Second operand 6 states. [2018-10-26 22:52:03,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:52:03,629 INFO L93 Difference]: Finished difference Result 209 states and 244 transitions. [2018-10-26 22:52:03,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 22:52:03,630 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-10-26 22:52:03,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:52:03,631 INFO L225 Difference]: With dead ends: 209 [2018-10-26 22:52:03,631 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 22:52:03,632 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 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 22:52:03,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 22:52:03,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 22:52:03,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 22:52:03,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 22:52:03,633 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2018-10-26 22:52:03,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:52:03,633 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 22:52:03,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:52:03,633 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 22:52:03,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:52:03,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 22:52:04,142 WARN L179 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2018-10-26 22:52:04,473 WARN L179 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 9 [2018-10-26 22:52:04,577 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-10-26 22:52:04,692 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 1 [2018-10-26 22:52:04,859 WARN L179 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2018-10-26 22:52:05,115 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2018-10-26 22:52:05,298 WARN L179 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2018-10-26 22:52:05,771 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 179 185) no Hoare annotation was computed. [2018-10-26 22:52:05,772 INFO L428 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 179 185) the Hoare annotation is: true [2018-10-26 22:52:05,772 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 379 385) the Hoare annotation is: true [2018-10-26 22:52:05,772 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 379 385) no Hoare annotation was computed. [2018-10-26 22:52:05,772 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 386 394) no Hoare annotation was computed. [2018-10-26 22:52:05,772 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 386 394) the Hoare annotation is: true [2018-10-26 22:52:05,772 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 386 394) no Hoare annotation was computed. [2018-10-26 22:52:05,772 INFO L421 ceAbstractionStarter]: At program point L289(line 289) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 22:52:05,772 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 267 332) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 22:52:05,773 INFO L425 ceAbstractionStarter]: For program point L287(lines 287 293) no Hoare annotation was computed. [2018-10-26 22:52:05,773 INFO L425 ceAbstractionStarter]: For program point L287-1(lines 287 293) no Hoare annotation was computed. [2018-10-26 22:52:05,773 INFO L425 ceAbstractionStarter]: For program point L279(lines 279 283) no Hoare annotation was computed. [2018-10-26 22:52:05,773 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 267 332) no Hoare annotation was computed. [2018-10-26 22:52:05,773 INFO L425 ceAbstractionStarter]: For program point L277-1(lines 277 324) no Hoare annotation was computed. [2018-10-26 22:52:05,773 INFO L421 ceAbstractionStarter]: At program point L325(lines 276 326) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 22:52:05,773 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 319) no Hoare annotation was computed. [2018-10-26 22:52:05,773 INFO L421 ceAbstractionStarter]: At program point L315-2(lines 307 320) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 22:52:05,773 INFO L425 ceAbstractionStarter]: For program point L278(lines 277 324) no Hoare annotation was computed. [2018-10-26 22:52:05,773 INFO L421 ceAbstractionStarter]: At program point L309(line 309) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 22:52:05,774 INFO L425 ceAbstractionStarter]: For program point L307(lines 307 320) no Hoare annotation was computed. [2018-10-26 22:52:05,774 INFO L421 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 22:52:05,774 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 303) no Hoare annotation was computed. [2018-10-26 22:52:05,774 INFO L425 ceAbstractionStarter]: For program point L297-1(lines 297 303) no Hoare annotation was computed. [2018-10-26 22:52:05,774 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 267 332) no Hoare annotation was computed. [2018-10-26 22:52:05,774 INFO L421 ceAbstractionStarter]: At program point L322(lines 277 324) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 22:52:05,774 INFO L425 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-10-26 22:52:05,774 INFO L425 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-10-26 22:52:05,774 INFO L421 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 22:52:05,775 INFO L421 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 22:52:05,775 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 22:52:05,775 INFO L421 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 22:52:05,775 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-10-26 22:52:05,775 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-10-26 22:52:05,775 INFO L421 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 22:52:05,775 INFO L421 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 22:52:05,775 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-10-26 22:52:05,775 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 213 221) no Hoare annotation was computed. [2018-10-26 22:52:05,775 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 213 221) the Hoare annotation is: true [2018-10-26 22:52:05,776 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 213 221) no Hoare annotation was computed. [2018-10-26 22:52:05,776 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:52:05,776 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-26 22:52:05,776 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:52:05,780 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 423 434) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 22:52:05,780 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 423 434) no Hoare annotation was computed. [2018-10-26 22:52:05,780 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 423 434) no Hoare annotation was computed. [2018-10-26 22:52:05,780 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-10-26 22:52:05,781 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-10-26 22:52:05,781 INFO L428 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-10-26 22:52:05,781 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 66) no Hoare annotation was computed. [2018-10-26 22:52:05,781 INFO L428 ceAbstractionStarter]: At program point L52-3(lines 52 66) the Hoare annotation is: true [2018-10-26 22:52:05,781 INFO L428 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-10-26 22:52:05,781 INFO L425 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-10-26 22:52:05,781 INFO L428 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-10-26 22:52:05,781 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-10-26 22:52:05,781 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-10-26 22:52:05,782 INFO L425 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-10-26 22:52:05,782 INFO L421 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-10-26 22:52:05,782 INFO L425 ceAbstractionStarter]: For program point L159(lines 158 177) no Hoare annotation was computed. [2018-10-26 22:52:05,782 INFO L428 ceAbstractionStarter]: At program point timeShiftENTRY(lines 155 178) the Hoare annotation is: true [2018-10-26 22:52:05,782 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 155 178) no Hoare annotation was computed. [2018-10-26 22:52:05,782 INFO L428 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2018-10-26 22:52:05,782 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 155 178) no Hoare annotation was computed. [2018-10-26 22:52:05,782 INFO L428 ceAbstractionStarter]: At program point L166(lines 166 172) the Hoare annotation is: true [2018-10-26 22:52:05,782 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 435 443) the Hoare annotation is: true [2018-10-26 22:52:05,782 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 435 443) no Hoare annotation was computed. [2018-10-26 22:52:05,783 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 435 443) no Hoare annotation was computed. [2018-10-26 22:52:05,783 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 399 410) the Hoare annotation is: true [2018-10-26 22:52:05,783 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 399 410) no Hoare annotation was computed. [2018-10-26 22:52:05,783 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 399 410) no Hoare annotation was computed. [2018-10-26 22:52:05,783 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 372 378) no Hoare annotation was computed. [2018-10-26 22:52:05,783 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 372 378) the Hoare annotation is: true [2018-10-26 22:52:05,783 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:52:05,783 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-10-26 22:52:05,783 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 22:52:05,783 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:52:05,784 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-10-26 22:52:05,784 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-10-26 22:52:05,784 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 258 265) no Hoare annotation was computed. [2018-10-26 22:52:05,791 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 258 265) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= ~systemActive~0 1)) [2018-10-26 22:52:05,791 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 258 265) no Hoare annotation was computed. [2018-10-26 22:52:05,791 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 411 422) no Hoare annotation was computed. [2018-10-26 22:52:05,791 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 411 422) no Hoare annotation was computed. [2018-10-26 22:52:05,791 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 411 422) the Hoare annotation is: true [2018-10-26 22:52:05,791 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 477 484) no Hoare annotation was computed. [2018-10-26 22:52:05,791 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 477 484) the Hoare annotation is: true [2018-10-26 22:52:05,792 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 477 484) no Hoare annotation was computed. [2018-10-26 22:52:05,792 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 481) no Hoare annotation was computed. [2018-10-26 22:52:05,792 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 22:52:05,792 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-10-26 22:52:05,792 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-10-26 22:52:05,792 INFO L421 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-10-26 22:52:05,792 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 335 359) the Hoare annotation is: true [2018-10-26 22:52:05,792 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 353) no Hoare annotation was computed. [2018-10-26 22:52:05,793 INFO L421 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-10-26 22:52:05,793 INFO L425 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2018-10-26 22:52:05,793 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 335 359) no Hoare annotation was computed. [2018-10-26 22:52:05,793 INFO L425 ceAbstractionStarter]: For program point L343(lines 343 356) no Hoare annotation was computed. [2018-10-26 22:52:05,793 INFO L425 ceAbstractionStarter]: For program point L343-1(lines 335 359) no Hoare annotation was computed. [2018-10-26 22:52:05,793 INFO L428 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: true [2018-10-26 22:52:05,793 INFO L425 ceAbstractionStarter]: For program point L341-1(line 341) no Hoare annotation was computed. [2018-10-26 22:52:05,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:52:05 BoogieIcfgContainer [2018-10-26 22:52:05,809 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:52:05,809 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:52:05,809 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:52:05,809 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:52:05,811 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:51:59" (3/4) ... [2018-10-26 22:52:05,814 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:52:05,821 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-26 22:52:05,821 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-26 22:52:05,821 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-26 22:52:05,821 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-26 22:52:05,821 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 22:52:05,821 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-26 22:52:05,821 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 22:52:05,822 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 22:52:05,822 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 22:52:05,822 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 22:52:05,822 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 22:52:05,822 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-26 22:52:05,822 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-26 22:52:05,822 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-26 22:52:05,823 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-10-26 22:52:05,823 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 22:52:05,823 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-26 22:52:05,823 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-26 22:52:05,823 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-10-26 22:52:05,835 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 136 nodes and edges [2018-10-26 22:52:05,835 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 22:52:05,836 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-26 22:52:05,862 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || (systemActive == 1 && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-10-26 22:52:05,862 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-10-26 22:52:05,905 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bca52888-3d31-4dbe-89bf-7836376704f5/bin-2019/utaipan/witness.graphml [2018-10-26 22:52:05,905 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:52:05,906 INFO L168 Benchmark]: Toolchain (without parser) took 7979.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 958.1 MB in the beginning and 1.1 GB in the end (delta: -107.3 MB). Peak memory consumption was 53.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:52:05,906 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:52:05,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 457.47 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 933.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:52:05,907 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 933.9 MB in the beginning and 1.2 GB in the end (delta: -217.7 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-10-26 22:52:05,907 INFO L168 Benchmark]: Boogie Preprocessor took 64.45 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:52:05,907 INFO L168 Benchmark]: RCFGBuilder took 1157.18 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: 80.0 MB). Peak memory consumption was 80.0 MB. Max. memory is 11.5 GB. [2018-10-26 22:52:05,907 INFO L168 Benchmark]: TraceAbstraction took 6042.82 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: -6.9 MB). Peak memory consumption was 181.2 MB. Max. memory is 11.5 GB. [2018-10-26 22:52:05,908 INFO L168 Benchmark]: Witness Printer took 96.17 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: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:52:05,913 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 457.47 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 933.9 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 156.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 933.9 MB in the beginning and 1.2 GB in the end (delta: -217.7 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.45 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1157.18 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: 80.0 MB). Peak memory consumption was 80.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6042.82 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: -6.9 MB). Peak memory consumption was 181.2 MB. Max. memory is 11.5 GB. * Witness Printer took 96.17 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: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 481]: 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: 276]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || (systemActive == 1 && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 100 locations, 1 error locations. SAFE Result, 5.9s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 446 SDtfs, 209 SDslu, 737 SDs, 0 SdLazy, 173 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred 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, 42 LocationsWithAnnotation, 161 PreInvPairs, 176 NumberOfFragments, 370 HoareAnnotationTreeSize, 161 FomulaSimplifications, 70 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 551 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s 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...