./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product25_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_678ecd14-aebb-4ea8-8078-8b8da9c24fa7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_678ecd14-aebb-4ea8-8078-8b8da9c24fa7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_678ecd14-aebb-4ea8-8078-8b8da9c24fa7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_678ecd14-aebb-4ea8-8078-8b8da9c24fa7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product25_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_678ecd14-aebb-4ea8-8078-8b8da9c24fa7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_678ecd14-aebb-4ea8-8078-8b8da9c24fa7/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 920725b4778fe7902e2cc2a93ab39c30358d9d16 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 11:46:52,686 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:46:52,687 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:46:52,694 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:46:52,695 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:46:52,695 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:46:52,696 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:46:52,697 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:46:52,698 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:46:52,698 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:46:52,699 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:46:52,699 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:46:52,700 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:46:52,700 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:46:52,701 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:46:52,702 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:46:52,702 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:46:52,703 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:46:52,705 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:46:52,706 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:46:52,707 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:46:52,707 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:46:52,709 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:46:52,709 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:46:52,709 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:46:52,710 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:46:52,711 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:46:52,711 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:46:52,712 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:46:52,712 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:46:52,712 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:46:52,713 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:46:52,713 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:46:52,713 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:46:52,714 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:46:52,714 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:46:52,714 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_678ecd14-aebb-4ea8-8078-8b8da9c24fa7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 11:46:52,725 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:46:52,725 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:46:52,725 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:46:52,726 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 11:46:52,726 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 11:46:52,726 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 11:46:52,726 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 11:46:52,726 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 11:46:52,726 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 11:46:52,726 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 11:46:52,726 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 11:46:52,726 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 11:46:52,727 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 11:46:52,727 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:46:52,727 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:46:52,727 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:46:52,727 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:46:52,727 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:46:52,728 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 11:46:52,728 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:46:52,728 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 11:46:52,728 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:46:52,728 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:46:52,728 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 11:46:52,728 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:46:52,728 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 11:46:52,728 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:46:52,729 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 11:46:52,729 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 11:46:52,729 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:46:52,729 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:46:52,729 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 11:46:52,729 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 11:46:52,729 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:46:52,729 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 11:46:52,729 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 11:46:52,729 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_678ecd14-aebb-4ea8-8078-8b8da9c24fa7/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 -> 920725b4778fe7902e2cc2a93ab39c30358d9d16 [2018-12-09 11:46:52,752 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:46:52,761 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:46:52,763 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:46:52,765 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:46:52,765 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:46:52,766 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_678ecd14-aebb-4ea8-8078-8b8da9c24fa7/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product25_true-unreach-call_false-termination.cil.c [2018-12-09 11:46:52,806 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_678ecd14-aebb-4ea8-8078-8b8da9c24fa7/bin-2019/utaipan/data/7f4032e2f/481a4e0534da47cabb6fae9971c2164c/FLAG3042ff5e2 [2018-12-09 11:46:53,210 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:46:53,210 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_678ecd14-aebb-4ea8-8078-8b8da9c24fa7/sv-benchmarks/c/product-lines/minepump_spec1_product25_true-unreach-call_false-termination.cil.c [2018-12-09 11:46:53,216 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_678ecd14-aebb-4ea8-8078-8b8da9c24fa7/bin-2019/utaipan/data/7f4032e2f/481a4e0534da47cabb6fae9971c2164c/FLAG3042ff5e2 [2018-12-09 11:46:53,226 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_678ecd14-aebb-4ea8-8078-8b8da9c24fa7/bin-2019/utaipan/data/7f4032e2f/481a4e0534da47cabb6fae9971c2164c [2018-12-09 11:46:53,228 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:46:53,229 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:46:53,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:46:53,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:46:53,233 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:46:53,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:46:53" (1/1) ... [2018-12-09 11:46:53,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:46:53, skipping insertion in model container [2018-12-09 11:46:53,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:46:53" (1/1) ... [2018-12-09 11:46:53,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:46:53,269 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:46:53,441 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:46:53,480 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:46:53,526 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:46:53,541 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:46:53,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:46:53 WrapperNode [2018-12-09 11:46:53,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:46:53,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:46:53,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:46:53,542 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:46:53,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:46:53" (1/1) ... [2018-12-09 11:46:53,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:46:53" (1/1) ... [2018-12-09 11:46:53,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:46:53,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:46:53,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:46:53,561 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:46:53,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:46:53" (1/1) ... [2018-12-09 11:46:53,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:46:53" (1/1) ... [2018-12-09 11:46:53,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:46:53" (1/1) ... [2018-12-09 11:46:53,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:46:53" (1/1) ... [2018-12-09 11:46:53,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:46:53" (1/1) ... [2018-12-09 11:46:53,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:46:53" (1/1) ... [2018-12-09 11:46:53,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:46:53" (1/1) ... [2018-12-09 11:46:53,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:46:53,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:46:53,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:46:53,582 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:46:53,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:46:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_678ecd14-aebb-4ea8-8078-8b8da9c24fa7/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 11:46:53,612 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 11:46:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 11:46:53,612 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 11:46:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 11:46:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 11:46:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 11:46:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 11:46:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 11:46:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 11:46:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 11:46:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 11:46:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 11:46:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 11:46:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 11:46:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 11:46:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 11:46:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 11:46:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 11:46:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 11:46:53,614 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 11:46:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 11:46:53,614 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 11:46:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 11:46:53,614 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 11:46:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 11:46:53,614 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 11:46:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 11:46:53,614 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 11:46:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 11:46:53,614 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 11:46:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 11:46:53,614 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 11:46:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 11:46:53,615 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 11:46:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 11:46:53,615 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 11:46:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 11:46:53,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 11:46:53,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 11:46:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 11:46:53,615 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 11:46:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 11:46:53,615 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 11:46:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 11:46:53,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:46:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:46:53,615 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-09 11:46:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-09 11:46:53,860 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:46:53,860 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 11:46:53,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:46:53 BoogieIcfgContainer [2018-12-09 11:46:53,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:46:53,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 11:46:53,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 11:46:53,862 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 11:46:53,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 11:46:53" (1/3) ... [2018-12-09 11:46:53,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3c9ffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:46:53, skipping insertion in model container [2018-12-09 11:46:53,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:46:53" (2/3) ... [2018-12-09 11:46:53,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3c9ffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:46:53, skipping insertion in model container [2018-12-09 11:46:53,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:46:53" (3/3) ... [2018-12-09 11:46:53,864 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product25_true-unreach-call_false-termination.cil.c [2018-12-09 11:46:53,870 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 11:46:53,875 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 11:46:53,884 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 11:46:53,901 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 11:46:53,901 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 11:46:53,901 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 11:46:53,902 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 11:46:53,902 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 11:46:53,902 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 11:46:53,902 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 11:46:53,902 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 11:46:53,913 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-12-09 11:46:53,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 11:46:53,917 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:46:53,918 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:46:53,919 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:46:53,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:46:53,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1086289389, now seen corresponding path program 1 times [2018-12-09 11:46:53,924 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:46:53,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:46:53,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:46:53,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:46:53,952 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:46:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:54,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:46:54,062 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:46:54,062 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 11:46:54,062 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:46:54,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 11:46:54,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 11:46:54,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 11:46:54,074 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2018-12-09 11:46:54,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:46:54,094 INFO L93 Difference]: Finished difference Result 208 states and 259 transitions. [2018-12-09 11:46:54,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 11:46:54,095 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 11:46:54,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:46:54,101 INFO L225 Difference]: With dead ends: 208 [2018-12-09 11:46:54,101 INFO L226 Difference]: Without dead ends: 104 [2018-12-09 11:46:54,103 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 11:46:54,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-12-09 11:46:54,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-12-09 11:46:54,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-12-09 11:46:54,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2018-12-09 11:46:54,130 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 46 [2018-12-09 11:46:54,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:46:54,131 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2018-12-09 11:46:54,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 11:46:54,131 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2018-12-09 11:46:54,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 11:46:54,132 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:46:54,132 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:46:54,132 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:46:54,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:46:54,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1362542156, now seen corresponding path program 1 times [2018-12-09 11:46:54,133 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:46:54,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:46:54,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:46:54,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:46:54,134 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:46:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:54,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:46:54,193 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:46:54,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 11:46:54,194 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:46:54,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 11:46:54,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 11:46:54,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 11:46:54,195 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 3 states. [2018-12-09 11:46:54,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:46:54,206 INFO L93 Difference]: Finished difference Result 157 states and 181 transitions. [2018-12-09 11:46:54,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 11:46:54,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 11:46:54,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:46:54,207 INFO L225 Difference]: With dead ends: 157 [2018-12-09 11:46:54,207 INFO L226 Difference]: Without dead ends: 95 [2018-12-09 11:46:54,208 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 11:46:54,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-12-09 11:46:54,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-12-09 11:46:54,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-12-09 11:46:54,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2018-12-09 11:46:54,214 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 47 [2018-12-09 11:46:54,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:46:54,215 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2018-12-09 11:46:54,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 11:46:54,215 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2018-12-09 11:46:54,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 11:46:54,216 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:46:54,216 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:46:54,216 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:46:54,216 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:46:54,216 INFO L82 PathProgramCache]: Analyzing trace with hash 47908363, now seen corresponding path program 1 times [2018-12-09 11:46:54,216 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:46:54,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:46:54,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:46:54,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:46:54,217 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:46:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:54,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:46:54,286 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:46:54,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 11:46:54,286 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:46:54,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 11:46:54,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 11:46:54,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 11:46:54,287 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 7 states. [2018-12-09 11:46:54,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:46:54,437 INFO L93 Difference]: Finished difference Result 166 states and 195 transitions. [2018-12-09 11:46:54,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 11:46:54,437 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-09 11:46:54,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:46:54,438 INFO L225 Difference]: With dead ends: 166 [2018-12-09 11:46:54,439 INFO L226 Difference]: Without dead ends: 95 [2018-12-09 11:46:54,439 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 11:46:54,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-12-09 11:46:54,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-12-09 11:46:54,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-12-09 11:46:54,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2018-12-09 11:46:54,448 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 51 [2018-12-09 11:46:54,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:46:54,449 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2018-12-09 11:46:54,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 11:46:54,449 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2018-12-09 11:46:54,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 11:46:54,450 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:46:54,450 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:46:54,450 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:46:54,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:46:54,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1726195190, now seen corresponding path program 1 times [2018-12-09 11:46:54,451 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:46:54,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:46:54,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:46:54,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:46:54,452 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:46:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:54,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:46:54,522 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:46:54,522 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 11:46:54,522 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:46:54,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:46:54,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:46:54,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:46:54,523 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 6 states. [2018-12-09 11:46:54,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:46:54,621 INFO L93 Difference]: Finished difference Result 230 states and 273 transitions. [2018-12-09 11:46:54,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 11:46:54,621 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2018-12-09 11:46:54,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:46:54,623 INFO L225 Difference]: With dead ends: 230 [2018-12-09 11:46:54,623 INFO L226 Difference]: Without dead ends: 159 [2018-12-09 11:46:54,624 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 11:46:54,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-12-09 11:46:54,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 157. [2018-12-09 11:46:54,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-12-09 11:46:54,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 182 transitions. [2018-12-09 11:46:54,635 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 182 transitions. Word has length 59 [2018-12-09 11:46:54,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:46:54,635 INFO L480 AbstractCegarLoop]: Abstraction has 157 states and 182 transitions. [2018-12-09 11:46:54,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:46:54,635 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 182 transitions. [2018-12-09 11:46:54,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 11:46:54,636 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:46:54,637 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:46:54,637 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:46:54,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:46:54,637 INFO L82 PathProgramCache]: Analyzing trace with hash 644791662, now seen corresponding path program 1 times [2018-12-09 11:46:54,637 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:46:54,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:46:54,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:46:54,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:46:54,638 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:46:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:54,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:46:54,689 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:46:54,689 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 11:46:54,689 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:46:54,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 11:46:54,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 11:46:54,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 11:46:54,690 INFO L87 Difference]: Start difference. First operand 157 states and 182 transitions. Second operand 7 states. [2018-12-09 11:46:54,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:46:54,850 INFO L93 Difference]: Finished difference Result 245 states and 292 transitions. [2018-12-09 11:46:54,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 11:46:54,850 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 63 [2018-12-09 11:46:54,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:46:54,851 INFO L225 Difference]: With dead ends: 245 [2018-12-09 11:46:54,851 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 11:46:54,852 INFO L631 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 [2018-12-09 11:46:54,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 11:46:54,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 11:46:54,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 11:46:54,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 11:46:54,853 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2018-12-09 11:46:54,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:46:54,853 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 11:46:54,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 11:46:54,853 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 11:46:54,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 11:46:54,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 11:46:55,242 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 301 308) the Hoare annotation is: true [2018-12-09 11:46:55,243 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 301 308) no Hoare annotation was computed. [2018-12-09 11:46:55,243 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 301 308) no Hoare annotation was computed. [2018-12-09 11:46:55,243 INFO L444 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 11:46:55,243 INFO L448 ceAbstractionStarter]: For program point L256-1(line 256) no Hoare annotation was computed. [2018-12-09 11:46:55,243 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 271) no Hoare annotation was computed. [2018-12-09 11:46:55,243 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 250 274) no Hoare annotation was computed. [2018-12-09 11:46:55,243 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 250 274) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 11:46:55,243 INFO L444 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 11:46:55,243 INFO L448 ceAbstractionStarter]: For program point L269-1(lines 250 274) no Hoare annotation was computed. [2018-12-09 11:46:55,243 INFO L444 ceAbstractionStarter]: At program point L264(line 264) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 11:46:55,244 INFO L444 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 11:46:55,244 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 266) no Hoare annotation was computed. [2018-12-09 11:46:55,244 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 157 163) the Hoare annotation is: true [2018-12-09 11:46:55,244 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 157 163) no Hoare annotation was computed. [2018-12-09 11:46:55,244 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 242 248) no Hoare annotation was computed. [2018-12-09 11:46:55,244 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 242 248) the Hoare annotation is: true [2018-12-09 11:46:55,244 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 164 172) no Hoare annotation was computed. [2018-12-09 11:46:55,244 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 164 172) the Hoare annotation is: true [2018-12-09 11:46:55,244 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 164 172) no Hoare annotation was computed. [2018-12-09 11:46:55,244 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 386 449) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:46:55,244 INFO L444 ceAbstractionStarter]: At program point L442(lines 395 443) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:46:55,244 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 386 449) no Hoare annotation was computed. [2018-12-09 11:46:55,245 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 436) no Hoare annotation was computed. [2018-12-09 11:46:55,245 INFO L444 ceAbstractionStarter]: At program point L432-2(lines 426 437) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-09 11:46:55,245 INFO L448 ceAbstractionStarter]: For program point L397(lines 396 441) no Hoare annotation was computed. [2018-12-09 11:46:55,245 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 437) no Hoare annotation was computed. [2018-12-09 11:46:55,245 INFO L444 ceAbstractionStarter]: At program point L418(line 418) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-09 11:46:55,245 INFO L448 ceAbstractionStarter]: For program point L416(lines 416 422) no Hoare annotation was computed. [2018-12-09 11:46:55,245 INFO L448 ceAbstractionStarter]: For program point L416-1(lines 416 422) no Hoare annotation was computed. [2018-12-09 11:46:55,245 INFO L444 ceAbstractionStarter]: At program point L408(line 408) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-09 11:46:55,245 INFO L444 ceAbstractionStarter]: At program point L439(lines 396 441) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-09 11:46:55,246 INFO L448 ceAbstractionStarter]: For program point L406(lines 406 412) no Hoare annotation was computed. [2018-12-09 11:46:55,246 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 406 412) no Hoare annotation was computed. [2018-12-09 11:46:55,246 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 402) no Hoare annotation was computed. [2018-12-09 11:46:55,246 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 386 449) no Hoare annotation was computed. [2018-12-09 11:46:55,246 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 523 545) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:46:55,246 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 523 545) no Hoare annotation was computed. [2018-12-09 11:46:55,246 INFO L444 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:46:55,246 INFO L444 ceAbstractionStarter]: At program point L535-1(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:46:55,246 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 540) no Hoare annotation was computed. [2018-12-09 11:46:55,246 INFO L448 ceAbstractionStarter]: For program point L533-1(lines 533 540) no Hoare annotation was computed. [2018-12-09 11:46:55,247 INFO L448 ceAbstractionStarter]: For program point L531(line 531) no Hoare annotation was computed. [2018-12-09 11:46:55,247 INFO L444 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:46:55,247 INFO L444 ceAbstractionStarter]: At program point L529(line 529) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:46:55,247 INFO L444 ceAbstractionStarter]: At program point L529-1(line 529) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:46:55,247 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 523 545) no Hoare annotation was computed. [2018-12-09 11:46:55,247 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 320 328) no Hoare annotation was computed. [2018-12-09 11:46:55,247 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 320 328) the Hoare annotation is: true [2018-12-09 11:46:55,247 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 320 328) no Hoare annotation was computed. [2018-12-09 11:46:55,247 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2018-12-09 11:46:55,247 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2018-12-09 11:46:55,247 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2018-12-09 11:46:55,248 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 11:46:55,248 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-09 11:46:55,248 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 11:46:55,248 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 365 383) the Hoare annotation is: true [2018-12-09 11:46:55,248 INFO L448 ceAbstractionStarter]: For program point L374(lines 374 378) no Hoare annotation was computed. [2018-12-09 11:46:55,248 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 365 383) no Hoare annotation was computed. [2018-12-09 11:46:55,248 INFO L451 ceAbstractionStarter]: At program point L372(line 372) the Hoare annotation is: true [2018-12-09 11:46:55,248 INFO L448 ceAbstractionStarter]: For program point L374-2(lines 374 378) no Hoare annotation was computed. [2018-12-09 11:46:55,248 INFO L448 ceAbstractionStarter]: For program point L372-1(line 372) no Hoare annotation was computed. [2018-12-09 11:46:55,248 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 365 383) no Hoare annotation was computed. [2018-12-09 11:46:55,248 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-12-09 11:46:55,248 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:46:55,248 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-12-09 11:46:55,248 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 452 481) no Hoare annotation was computed. [2018-12-09 11:46:55,249 INFO L451 ceAbstractionStarter]: At program point L477(lines 452 481) the Hoare annotation is: true [2018-12-09 11:46:55,249 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 452 481) the Hoare annotation is: true [2018-12-09 11:46:55,249 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-09 11:46:55,249 INFO L448 ceAbstractionStarter]: For program point L466(lines 466 470) no Hoare annotation was computed. [2018-12-09 11:46:55,249 INFO L451 ceAbstractionStarter]: At program point L466-1(lines 466 470) the Hoare annotation is: true [2018-12-09 11:46:55,249 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-09 11:46:55,249 INFO L451 ceAbstractionStarter]: At program point L462-2(lines 462 476) the Hoare annotation is: true [2018-12-09 11:46:55,249 INFO L451 ceAbstractionStarter]: At program point L458(line 458) the Hoare annotation is: true [2018-12-09 11:46:55,249 INFO L448 ceAbstractionStarter]: For program point L458-1(line 458) no Hoare annotation was computed. [2018-12-09 11:46:55,249 INFO L444 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 11:46:55,249 INFO L448 ceAbstractionStarter]: For program point L222(lines 221 240) no Hoare annotation was computed. [2018-12-09 11:46:55,249 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 218 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 11:46:55,250 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 218 241) no Hoare annotation was computed. [2018-12-09 11:46:55,250 INFO L444 ceAbstractionStarter]: At program point L231(line 231) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 11:46:55,250 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 218 241) no Hoare annotation was computed. [2018-12-09 11:46:55,250 INFO L444 ceAbstractionStarter]: At program point L229(lines 229 235) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 11:46:55,250 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-12-09 11:46:55,250 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-12-09 11:46:55,250 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-12-09 11:46:55,250 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2018-12-09 11:46:55,250 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-12-09 11:46:55,250 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-12-09 11:46:55,250 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 150 156) no Hoare annotation was computed. [2018-12-09 11:46:55,250 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 150 156) the Hoare annotation is: true [2018-12-09 11:46:55,250 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 506 512) no Hoare annotation was computed. [2018-12-09 11:46:55,250 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 506 512) the Hoare annotation is: true [2018-12-09 11:46:55,251 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 11:46:55,251 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-09 11:46:55,251 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 11:46:55,251 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 11:46:55,251 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-12-09 11:46:55,251 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-12-09 11:46:55,251 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2018-12-09 11:46:55,251 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2018-12-09 11:46:55,251 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 202 209) no Hoare annotation was computed. [2018-12-09 11:46:55,251 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 202 209) the Hoare annotation is: true [2018-12-09 11:46:55,251 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 202 209) no Hoare annotation was computed. [2018-12-09 11:46:55,251 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 513 522) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:46:55,252 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 513 522) no Hoare annotation was computed. [2018-12-09 11:46:55,252 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 513 522) no Hoare annotation was computed. [2018-12-09 11:46:55,252 INFO L444 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-12-09 11:46:55,252 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 176 200) the Hoare annotation is: true [2018-12-09 11:46:55,252 INFO L448 ceAbstractionStarter]: For program point L188(lines 188 194) no Hoare annotation was computed. [2018-12-09 11:46:55,252 INFO L444 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 11:46:55,252 INFO L448 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2018-12-09 11:46:55,252 INFO L448 ceAbstractionStarter]: For program point L184(lines 184 197) no Hoare annotation was computed. [2018-12-09 11:46:55,252 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 176 200) no Hoare annotation was computed. [2018-12-09 11:46:55,252 INFO L448 ceAbstractionStarter]: For program point L184-1(lines 176 200) no Hoare annotation was computed. [2018-12-09 11:46:55,252 INFO L451 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: true [2018-12-09 11:46:55,252 INFO L448 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-12-09 11:46:55,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 11:46:55 BoogieIcfgContainer [2018-12-09 11:46:55,262 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 11:46:55,262 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:46:55,262 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:46:55,262 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:46:55,263 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:46:53" (3/4) ... [2018-12-09 11:46:55,266 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 11:46:55,271 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 11:46:55,272 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 11:46:55,272 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 11:46:55,272 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 11:46:55,272 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 11:46:55,272 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 11:46:55,272 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 11:46:55,272 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 11:46:55,272 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 11:46:55,272 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 11:46:55,272 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 11:46:55,272 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 11:46:55,273 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 11:46:55,273 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 11:46:55,273 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 11:46:55,273 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 11:46:55,273 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 11:46:55,273 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 11:46:55,273 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 11:46:55,273 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 11:46:55,273 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 11:46:55,274 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-09 11:46:55,279 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-09 11:46:55,279 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 11:46:55,280 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 11:46:55,280 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 11:46:55,280 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 11:46:55,280 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 11:46:55,304 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) [2018-12-09 11:46:55,304 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 11:46:55,325 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_678ecd14-aebb-4ea8-8078-8b8da9c24fa7/bin-2019/utaipan/witness.graphml [2018-12-09 11:46:55,325 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:46:55,326 INFO L168 Benchmark]: Toolchain (without parser) took 2097.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 953.4 MB in the beginning and 1.0 GB in the end (delta: -53.3 MB). Peak memory consumption was 60.5 MB. Max. memory is 11.5 GB. [2018-12-09 11:46:55,327 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:46:55,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 11:46:55,327 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:46:55,327 INFO L168 Benchmark]: Boogie Preprocessor took 20.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 11:46:55,327 INFO L168 Benchmark]: RCFGBuilder took 278.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 11.5 GB. [2018-12-09 11:46:55,327 INFO L168 Benchmark]: TraceAbstraction took 1401.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 38.2 MB). Peak memory consumption was 214.1 MB. Max. memory is 11.5 GB. [2018-12-09 11:46:55,328 INFO L168 Benchmark]: Witness Printer took 63.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-12-09 11:46:55,329 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 311.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 278.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1401.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 38.2 MB). Peak memory consumption was 214.1 MB. Max. memory is 11.5 GB. * Witness Printer took 63.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 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: 206]: 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: 462]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 117 locations, 1 error locations. SAFE Result, 1.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 523 SDtfs, 250 SDslu, 819 SDs, 0 SdLazy, 299 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=157occurred 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, 49 LocationsWithAnnotation, 223 PreInvPairs, 236 NumberOfFragments, 428 HoareAnnotationTreeSize, 223 FomulaSimplifications, 68 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 49 FomulaSimplificationsInter, 705 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 26179 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...