./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product28_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_567bf5c2-5c6c-40c0-a667-64d03cb8fa88/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_567bf5c2-5c6c-40c0-a667-64d03cb8fa88/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_567bf5c2-5c6c-40c0-a667-64d03cb8fa88/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_567bf5c2-5c6c-40c0-a667-64d03cb8fa88/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product28_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_567bf5c2-5c6c-40c0-a667-64d03cb8fa88/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_567bf5c2-5c6c-40c0-a667-64d03cb8fa88/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 2592b880c905533820d8c0b600fce539abba3733 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:38:18,592 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:38:18,593 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:38:18,601 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:38:18,601 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:38:18,602 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:38:18,602 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:38:18,603 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:38:18,604 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:38:18,605 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:38:18,606 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:38:18,606 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:38:18,606 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:38:18,607 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:38:18,608 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:38:18,608 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:38:18,609 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:38:18,610 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:38:18,611 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:38:18,612 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:38:18,613 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:38:18,614 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:38:18,615 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:38:18,615 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:38:18,616 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:38:18,616 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:38:18,617 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:38:18,617 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:38:18,618 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:38:18,619 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:38:18,619 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:38:18,620 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:38:18,620 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:38:18,620 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:38:18,621 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:38:18,621 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:38:18,621 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_567bf5c2-5c6c-40c0-a667-64d03cb8fa88/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:38:18,631 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:38:18,632 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:38:18,632 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:38:18,632 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:38:18,632 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:38:18,633 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:38:18,633 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:38:18,633 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:38:18,633 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:38:18,633 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:38:18,633 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:38:18,633 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:38:18,634 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:38:18,634 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:38:18,634 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:38:18,634 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:38:18,634 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:38:18,635 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:38:18,635 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:38:18,635 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:38:18,635 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:38:18,635 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:38:18,635 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:38:18,636 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:38:18,636 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:38:18,636 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:38:18,636 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:38:18,636 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:38:18,636 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:38:18,636 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:38:18,637 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:38:18,637 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:38:18,637 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:38:18,637 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:38:18,637 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:38:18,637 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:38:18,637 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:38:18,637 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_567bf5c2-5c6c-40c0-a667-64d03cb8fa88/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 -> 2592b880c905533820d8c0b600fce539abba3733 [2018-11-18 17:38:18,658 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:38:18,667 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:38:18,669 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:38:18,670 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:38:18,670 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:38:18,670 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_567bf5c2-5c6c-40c0-a667-64d03cb8fa88/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product28_true-unreach-call_false-termination.cil.c [2018-11-18 17:38:18,705 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_567bf5c2-5c6c-40c0-a667-64d03cb8fa88/bin-2019/utaipan/data/4642b2d20/62d792b37d5c40a084117ceb6740acf5/FLAG1521c3c18 [2018-11-18 17:38:19,040 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:38:19,041 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_567bf5c2-5c6c-40c0-a667-64d03cb8fa88/sv-benchmarks/c/product-lines/minepump_spec5_product28_true-unreach-call_false-termination.cil.c [2018-11-18 17:38:19,050 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_567bf5c2-5c6c-40c0-a667-64d03cb8fa88/bin-2019/utaipan/data/4642b2d20/62d792b37d5c40a084117ceb6740acf5/FLAG1521c3c18 [2018-11-18 17:38:19,060 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_567bf5c2-5c6c-40c0-a667-64d03cb8fa88/bin-2019/utaipan/data/4642b2d20/62d792b37d5c40a084117ceb6740acf5 [2018-11-18 17:38:19,062 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:38:19,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:38:19,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:38:19,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:38:19,065 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:38:19,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:38:19" (1/1) ... [2018-11-18 17:38:19,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af69b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:38:19, skipping insertion in model container [2018-11-18 17:38:19,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:38:19" (1/1) ... [2018-11-18 17:38:19,073 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:38:19,103 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:38:19,293 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:38:19,300 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:38:19,398 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:38:19,418 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:38:19,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:38:19 WrapperNode [2018-11-18 17:38:19,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:38:19,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:38:19,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:38:19,419 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:38:19,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:38:19" (1/1) ... [2018-11-18 17:38:19,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:38:19" (1/1) ... [2018-11-18 17:38:19,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:38:19,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:38:19,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:38:19,444 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:38:19,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:38:19" (1/1) ... [2018-11-18 17:38:19,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:38:19" (1/1) ... [2018-11-18 17:38:19,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:38:19" (1/1) ... [2018-11-18 17:38:19,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:38:19" (1/1) ... [2018-11-18 17:38:19,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:38:19" (1/1) ... [2018-11-18 17:38:19,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:38:19" (1/1) ... [2018-11-18 17:38:19,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:38:19" (1/1) ... [2018-11-18 17:38:19,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:38:19,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:38:19,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:38:19,475 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:38:19,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:38:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_567bf5c2-5c6c-40c0-a667-64d03cb8fa88/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:38:19,512 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 17:38:19,512 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 17:38:19,512 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:38:19,512 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:38:19,512 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 17:38:19,512 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 17:38:19,513 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 17:38:19,513 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 17:38:19,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:38:19,513 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 17:38:19,513 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 17:38:19,513 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 17:38:19,513 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 17:38:19,513 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 17:38:19,514 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 17:38:19,514 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 17:38:19,514 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 17:38:19,514 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 17:38:19,514 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 17:38:19,514 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 17:38:19,514 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 17:38:19,514 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 17:38:19,515 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 17:38:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 17:38:19,515 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 17:38:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 17:38:19,515 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 17:38:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 17:38:19,515 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 17:38:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 17:38:19,515 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 17:38:19,516 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 17:38:19,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 17:38:19,516 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 17:38:19,516 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 17:38:19,516 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 17:38:19,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 17:38:19,516 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 17:38:19,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 17:38:19,517 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 17:38:19,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 17:38:19,517 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 17:38:19,517 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 17:38:19,517 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 17:38:19,517 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 17:38:19,517 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 17:38:19,517 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 17:38:19,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:38:19,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:38:19,518 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 17:38:19,518 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 17:38:19,518 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 17:38:19,518 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 17:38:19,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:38:19,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:38:19,983 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:38:19,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:38:19 BoogieIcfgContainer [2018-11-18 17:38:19,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:38:19,984 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:38:19,984 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:38:19,987 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:38:19,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:38:19" (1/3) ... [2018-11-18 17:38:19,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f9a2564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:38:19, skipping insertion in model container [2018-11-18 17:38:19,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:38:19" (2/3) ... [2018-11-18 17:38:19,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f9a2564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:38:19, skipping insertion in model container [2018-11-18 17:38:19,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:38:19" (3/3) ... [2018-11-18 17:38:19,989 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product28_true-unreach-call_false-termination.cil.c [2018-11-18 17:38:19,996 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:38:20,001 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:38:20,010 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:38:20,032 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:38:20,032 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:38:20,032 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:38:20,032 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:38:20,033 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:38:20,033 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:38:20,033 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:38:20,033 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:38:20,046 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-11-18 17:38:20,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 17:38:20,053 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:38:20,054 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:38:20,055 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:38:20,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:38:20,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1233074179, now seen corresponding path program 1 times [2018-11-18 17:38:20,061 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:38:20,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:38:20,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:38:20,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:38:20,096 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:38:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:38:20,274 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:38:20,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:38:20,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 17:38:20,276 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:38:20,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 17:38:20,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 17:38:20,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 17:38:20,294 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2018-11-18 17:38:20,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:38:20,318 INFO L93 Difference]: Finished difference Result 248 states and 307 transitions. [2018-11-18 17:38:20,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 17:38:20,319 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 17:38:20,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:38:20,330 INFO L225 Difference]: With dead ends: 248 [2018-11-18 17:38:20,330 INFO L226 Difference]: Without dead ends: 126 [2018-11-18 17:38:20,333 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 17:38:20,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-11-18 17:38:20,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-11-18 17:38:20,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-11-18 17:38:20,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2018-11-18 17:38:20,369 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 59 [2018-11-18 17:38:20,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:38:20,369 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2018-11-18 17:38:20,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 17:38:20,369 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2018-11-18 17:38:20,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 17:38:20,371 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:38:20,371 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:38:20,371 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:38:20,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:38:20,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1331563419, now seen corresponding path program 1 times [2018-11-18 17:38:20,372 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:38:20,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:38:20,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:38:20,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:38:20,373 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:38:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:38:20,465 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:38:20,465 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:38:20,465 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:38:20,465 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:38:20,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:38:20,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:38:20,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:38:20,467 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 3 states. [2018-11-18 17:38:20,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:38:20,484 INFO L93 Difference]: Finished difference Result 185 states and 215 transitions. [2018-11-18 17:38:20,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:38:20,485 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 17:38:20,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:38:20,486 INFO L225 Difference]: With dead ends: 185 [2018-11-18 17:38:20,486 INFO L226 Difference]: Without dead ends: 116 [2018-11-18 17:38:20,487 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:38:20,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-11-18 17:38:20,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-11-18 17:38:20,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-11-18 17:38:20,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 134 transitions. [2018-11-18 17:38:20,496 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 134 transitions. Word has length 61 [2018-11-18 17:38:20,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:38:20,497 INFO L480 AbstractCegarLoop]: Abstraction has 116 states and 134 transitions. [2018-11-18 17:38:20,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:38:20,497 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2018-11-18 17:38:20,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 17:38:20,498 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:38:20,498 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:38:20,498 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:38:20,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:38:20,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1626349883, now seen corresponding path program 1 times [2018-11-18 17:38:20,499 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:38:20,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:38:20,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:38:20,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:38:20,500 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:38:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:38:20,631 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:38:20,631 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:38:20,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 17:38:20,632 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:38:20,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:38:20,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:38:20,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:38:20,633 INFO L87 Difference]: Start difference. First operand 116 states and 134 transitions. Second operand 7 states. [2018-11-18 17:38:21,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:38:21,166 INFO L93 Difference]: Finished difference Result 349 states and 423 transitions. [2018-11-18 17:38:21,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:38:21,167 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-18 17:38:21,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:38:21,169 INFO L225 Difference]: With dead ends: 349 [2018-11-18 17:38:21,170 INFO L226 Difference]: Without dead ends: 261 [2018-11-18 17:38:21,171 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:38:21,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-11-18 17:38:21,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 249. [2018-11-18 17:38:21,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2018-11-18 17:38:21,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 301 transitions. [2018-11-18 17:38:21,203 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 301 transitions. Word has length 66 [2018-11-18 17:38:21,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:38:21,204 INFO L480 AbstractCegarLoop]: Abstraction has 249 states and 301 transitions. [2018-11-18 17:38:21,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:38:21,204 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 301 transitions. [2018-11-18 17:38:21,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 17:38:21,206 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:38:21,206 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:38:21,207 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:38:21,207 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:38:21,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1765811825, now seen corresponding path program 1 times [2018-11-18 17:38:21,207 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:38:21,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:38:21,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:38:21,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:38:21,208 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:38:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:38:21,325 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 17:38:21,325 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:38:21,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 17:38:21,325 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:38:21,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:38:21,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:38:21,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:38:21,326 INFO L87 Difference]: Start difference. First operand 249 states and 301 transitions. Second operand 7 states. [2018-11-18 17:38:21,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:38:21,609 INFO L93 Difference]: Finished difference Result 416 states and 519 transitions. [2018-11-18 17:38:21,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:38:21,612 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 71 [2018-11-18 17:38:21,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:38:21,613 INFO L225 Difference]: With dead ends: 416 [2018-11-18 17:38:21,613 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:38:21,615 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-18 17:38:21,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:38:21,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:38:21,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:38:21,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:38:21,615 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2018-11-18 17:38:21,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:38:21,616 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:38:21,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:38:21,616 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:38:21,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:38:21,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:38:22,224 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 674 680) the Hoare annotation is: true [2018-11-18 17:38:22,224 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 674 680) no Hoare annotation was computed. [2018-11-18 17:38:22,225 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 681 689) no Hoare annotation was computed. [2018-11-18 17:38:22,225 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 681 689) the Hoare annotation is: true [2018-11-18 17:38:22,225 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 681 689) no Hoare annotation was computed. [2018-11-18 17:38:22,225 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 139 146) the Hoare annotation is: true [2018-11-18 17:38:22,225 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 139 146) no Hoare annotation was computed. [2018-11-18 17:38:22,225 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 139 146) no Hoare annotation was computed. [2018-11-18 17:38:22,225 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 147 156) the Hoare annotation is: true [2018-11-18 17:38:22,225 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 147 156) no Hoare annotation was computed. [2018-11-18 17:38:22,225 INFO L425 ceAbstractionStarter]: For program point L152(line 152) no Hoare annotation was computed. [2018-11-18 17:38:22,225 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 147 156) no Hoare annotation was computed. [2018-11-18 17:38:22,225 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 157 185) the Hoare annotation is: true [2018-11-18 17:38:22,226 INFO L421 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-18 17:38:22,226 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 157 185) no Hoare annotation was computed. [2018-11-18 17:38:22,226 INFO L425 ceAbstractionStarter]: For program point L170(lines 170 176) no Hoare annotation was computed. [2018-11-18 17:38:22,226 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 179) no Hoare annotation was computed. [2018-11-18 17:38:22,226 INFO L428 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: true [2018-11-18 17:38:22,226 INFO L425 ceAbstractionStarter]: For program point L167-1(line 167) no Hoare annotation was computed. [2018-11-18 17:38:22,226 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 182) no Hoare annotation was computed. [2018-11-18 17:38:22,226 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 157 185) no Hoare annotation was computed. [2018-11-18 17:38:22,226 INFO L428 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: true [2018-11-18 17:38:22,226 INFO L425 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2018-11-18 17:38:22,226 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 266 288) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 17:38:22,226 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 266 288) no Hoare annotation was computed. [2018-11-18 17:38:22,227 INFO L421 ceAbstractionStarter]: At program point L278(line 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))) [2018-11-18 17:38:22,227 INFO L421 ceAbstractionStarter]: At program point L278-1(line 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))) [2018-11-18 17:38:22,227 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 283) no Hoare annotation was computed. [2018-11-18 17:38:22,227 INFO L425 ceAbstractionStarter]: For program point L276-1(lines 276 283) no Hoare annotation was computed. [2018-11-18 17:38:22,227 INFO L425 ceAbstractionStarter]: For program point L274(line 274) no Hoare annotation was computed. [2018-11-18 17:38:22,227 INFO L421 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 17:38:22,227 INFO L421 ceAbstractionStarter]: At program point L272(line 272) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 17:38:22,227 INFO L421 ceAbstractionStarter]: At program point L272-1(line 272) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 17:38:22,227 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 266 288) no Hoare annotation was computed. [2018-11-18 17:38:22,227 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 876 890) no Hoare annotation was computed. [2018-11-18 17:38:22,228 INFO L425 ceAbstractionStarter]: For program point L880(lines 880 886) no Hoare annotation was computed. [2018-11-18 17:38:22,228 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 876 890) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= 0 ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-18 17:38:22,228 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 876 890) no Hoare annotation was computed. [2018-11-18 17:38:22,228 INFO L421 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-18 17:38:22,228 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 812 820) no Hoare annotation was computed. [2018-11-18 17:38:22,228 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 812 820) the Hoare annotation is: true [2018-11-18 17:38:22,228 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 812 820) no Hoare annotation was computed. [2018-11-18 17:38:22,228 INFO L428 ceAbstractionStarter]: At program point L864(line 864) the Hoare annotation is: true [2018-11-18 17:38:22,228 INFO L425 ceAbstractionStarter]: For program point L866-2(lines 866 870) no Hoare annotation was computed. [2018-11-18 17:38:22,228 INFO L425 ceAbstractionStarter]: For program point L864-1(line 864) no Hoare annotation was computed. [2018-11-18 17:38:22,228 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 857 875) the Hoare annotation is: true [2018-11-18 17:38:22,228 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 857 875) no Hoare annotation was computed. [2018-11-18 17:38:22,229 INFO L425 ceAbstractionStarter]: For program point L866(lines 866 870) no Hoare annotation was computed. [2018-11-18 17:38:22,229 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 857 875) no Hoare annotation was computed. [2018-11-18 17:38:22,229 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 667 673) no Hoare annotation was computed. [2018-11-18 17:38:22,229 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 667 673) the Hoare annotation is: true [2018-11-18 17:38:22,229 INFO L421 ceAbstractionStarter]: At program point L257(line 257) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 17:38:22,231 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 252 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 17:38:22,231 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 252 262) no Hoare annotation was computed. [2018-11-18 17:38:22,231 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 252 262) no Hoare annotation was computed. [2018-11-18 17:38:22,231 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 793 800) the Hoare annotation is: true [2018-11-18 17:38:22,231 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 793 800) no Hoare annotation was computed. [2018-11-18 17:38:22,232 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 793 800) no Hoare annotation was computed. [2018-11-18 17:38:22,232 INFO L421 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-18 17:38:22,232 INFO L425 ceAbstractionStarter]: For program point L761-1(lines 742 766) no Hoare annotation was computed. [2018-11-18 17:38:22,232 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 742 766) no Hoare annotation was computed. [2018-11-18 17:38:22,232 INFO L421 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 17:38:22,232 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 742 766) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-18 17:38:22,232 INFO L421 ceAbstractionStarter]: At program point L752(line 752) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 17:38:22,232 INFO L425 ceAbstractionStarter]: For program point L750(lines 750 758) no Hoare annotation was computed. [2018-11-18 17:38:22,232 INFO L421 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 17:38:22,232 INFO L425 ceAbstractionStarter]: For program point L748-1(line 748) no Hoare annotation was computed. [2018-11-18 17:38:22,232 INFO L425 ceAbstractionStarter]: For program point L746(lines 746 763) no Hoare annotation was computed. [2018-11-18 17:38:22,232 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 734 740) no Hoare annotation was computed. [2018-11-18 17:38:22,233 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 734 740) the Hoare annotation is: true [2018-11-18 17:38:22,233 INFO L421 ceAbstractionStarter]: At program point L960(lines 909 961) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 17:38:22,233 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 900 967) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 17:38:22,233 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 900 967) no Hoare annotation was computed. [2018-11-18 17:38:22,233 INFO L421 ceAbstractionStarter]: At program point L950(line 950) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 17:38:22,233 INFO L425 ceAbstractionStarter]: For program point L948(lines 948 954) no Hoare annotation was computed. [2018-11-18 17:38:22,233 INFO L421 ceAbstractionStarter]: At program point L948-1(lines 940 955) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 17:38:22,233 INFO L425 ceAbstractionStarter]: For program point L911(lines 910 959) no Hoare annotation was computed. [2018-11-18 17:38:22,233 INFO L421 ceAbstractionStarter]: At program point L942(line 942) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 17:38:22,233 INFO L425 ceAbstractionStarter]: For program point L940(lines 940 955) no Hoare annotation was computed. [2018-11-18 17:38:22,233 INFO L421 ceAbstractionStarter]: At program point L932(line 932) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 17:38:22,234 INFO L425 ceAbstractionStarter]: For program point L930(lines 930 936) no Hoare annotation was computed. [2018-11-18 17:38:22,234 INFO L425 ceAbstractionStarter]: For program point L930-1(lines 930 936) no Hoare annotation was computed. [2018-11-18 17:38:22,234 INFO L421 ceAbstractionStarter]: At program point L957(lines 910 959) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 17:38:22,234 INFO L421 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 17:38:22,234 INFO L425 ceAbstractionStarter]: For program point L920(lines 920 926) no Hoare annotation was computed. [2018-11-18 17:38:22,234 INFO L425 ceAbstractionStarter]: For program point L920-1(lines 920 926) no Hoare annotation was computed. [2018-11-18 17:38:22,234 INFO L425 ceAbstractionStarter]: For program point L912(lines 912 916) no Hoare annotation was computed. [2018-11-18 17:38:22,234 INFO L425 ceAbstractionStarter]: For program point L910-1(lines 910 959) no Hoare annotation was computed. [2018-11-18 17:38:22,234 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 900 967) no Hoare annotation was computed. [2018-11-18 17:38:22,234 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2018-11-18 17:38:22,234 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2018-11-18 17:38:22,235 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2018-11-18 17:38:22,235 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:38:22,235 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-18 17:38:22,235 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:38:22,235 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2018-11-18 17:38:22,235 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2018-11-18 17:38:22,235 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2018-11-18 17:38:22,235 INFO L425 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-11-18 17:38:22,235 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2018-11-18 17:38:22,235 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-11-18 17:38:22,235 INFO L421 ceAbstractionStarter]: At program point L723(line 723) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-18 17:38:22,236 INFO L421 ceAbstractionStarter]: At program point L721(lines 721 727) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-18 17:38:22,236 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 707 733) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-18 17:38:22,236 INFO L421 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-18 17:38:22,236 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 707 733) no Hoare annotation was computed. [2018-11-18 17:38:22,236 INFO L425 ceAbstractionStarter]: For program point L714(lines 710 732) no Hoare annotation was computed. [2018-11-18 17:38:22,236 INFO L425 ceAbstractionStarter]: For program point L712(lines 710 732) no Hoare annotation was computed. [2018-11-18 17:38:22,236 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 707 733) no Hoare annotation was computed. [2018-11-18 17:38:22,236 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 189 218) no Hoare annotation was computed. [2018-11-18 17:38:22,236 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 207) no Hoare annotation was computed. [2018-11-18 17:38:22,236 INFO L428 ceAbstractionStarter]: At program point L203-1(lines 203 207) the Hoare annotation is: true [2018-11-18 17:38:22,236 INFO L425 ceAbstractionStarter]: For program point L199-1(lines 199 213) no Hoare annotation was computed. [2018-11-18 17:38:22,236 INFO L428 ceAbstractionStarter]: At program point L199-3(lines 199 213) the Hoare annotation is: true [2018-11-18 17:38:22,237 INFO L428 ceAbstractionStarter]: At program point L195(line 195) the Hoare annotation is: true [2018-11-18 17:38:22,237 INFO L425 ceAbstractionStarter]: For program point L195-1(line 195) no Hoare annotation was computed. [2018-11-18 17:38:22,237 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 189 218) the Hoare annotation is: true [2018-11-18 17:38:22,237 INFO L428 ceAbstractionStarter]: At program point L214(lines 189 218) the Hoare annotation is: true [2018-11-18 17:38:22,237 INFO L425 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2018-11-18 17:38:22,237 INFO L425 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2018-11-18 17:38:22,239 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2018-11-18 17:38:22,239 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-11-18 17:38:22,239 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-11-18 17:38:22,239 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 244 250) no Hoare annotation was computed. [2018-11-18 17:38:22,240 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 244 250) the Hoare annotation is: true [2018-11-18 17:38:22,240 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:38:22,240 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-18 17:38:22,240 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:38:22,240 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:38:22,240 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 891 898) no Hoare annotation was computed. [2018-11-18 17:38:22,240 INFO L428 ceAbstractionStarter]: At program point startSystemENTRY(lines 891 898) the Hoare annotation is: true [2018-11-18 17:38:22,240 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 891 898) no Hoare annotation was computed. [2018-11-18 17:38:22,240 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-11-18 17:38:22,240 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-11-18 17:38:22,240 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2018-11-18 17:38:22,240 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 691 698) no Hoare annotation was computed. [2018-11-18 17:38:22,241 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 691 698) the Hoare annotation is: true [2018-11-18 17:38:22,241 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 695) no Hoare annotation was computed. [2018-11-18 17:38:22,241 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 691 698) no Hoare annotation was computed. [2018-11-18 17:38:22,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:38:22 BoogieIcfgContainer [2018-11-18 17:38:22,250 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:38:22,250 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:38:22,250 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:38:22,250 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:38:22,251 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:38:19" (3/4) ... [2018-11-18 17:38:22,254 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:38:22,259 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 17:38:22,259 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 17:38:22,259 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 17:38:22,260 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 17:38:22,260 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 17:38:22,260 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:38:22,260 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 17:38:22,260 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 17:38:22,260 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 17:38:22,260 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 17:38:22,260 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 17:38:22,260 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 17:38:22,260 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 17:38:22,260 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 17:38:22,260 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 17:38:22,260 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 17:38:22,261 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:38:22,261 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 17:38:22,261 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 17:38:22,261 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 17:38:22,261 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 17:38:22,261 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 17:38:22,261 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 17:38:22,261 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 17:38:22,261 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 17:38:22,262 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 17:38:22,267 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-11-18 17:38:22,268 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 17:38:22,268 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 17:38:22,292 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) [2018-11-18 17:38:22,292 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-11-18 17:38:22,322 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_567bf5c2-5c6c-40c0-a667-64d03cb8fa88/bin-2019/utaipan/witness.graphml [2018-11-18 17:38:22,322 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:38:22,323 INFO L168 Benchmark]: Toolchain (without parser) took 3260.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 957.6 MB in the beginning and 1.0 GB in the end (delta: -55.7 MB). Peak memory consumption was 91.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:38:22,324 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:38:22,324 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -180.9 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:38:22,324 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.16 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:38:22,324 INFO L168 Benchmark]: Boogie Preprocessor took 30.56 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:38:22,325 INFO L168 Benchmark]: RCFGBuilder took 508.30 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:38:22,325 INFO L168 Benchmark]: TraceAbstraction took 2266.15 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: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:38:22,325 INFO L168 Benchmark]: Witness Printer took 71.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:38:22,327 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 355.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -180.9 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.16 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.56 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 508.30 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2266.15 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: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. * Witness Printer took 71.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 695]: 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: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 139 locations, 1 error locations. SAFE Result, 2.2s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 547 SDtfs, 312 SDslu, 833 SDs, 0 SdLazy, 397 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=249occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 272 PreInvPairs, 296 NumberOfFragments, 412 HoareAnnotationTreeSize, 272 FomulaSimplifications, 168 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 57 FomulaSimplificationsInter, 870 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 253 ConstructedInterpolants, 0 QuantifiedInterpolants, 27604 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...