./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6e6a6b53-f079-456b-9bea-399ae8663f39/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6e6a6b53-f079-456b-9bea-399ae8663f39/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6e6a6b53-f079-456b-9bea-399ae8663f39/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6e6a6b53-f079-456b-9bea-399ae8663f39/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6e6a6b53-f079-456b-9bea-399ae8663f39/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6e6a6b53-f079-456b-9bea-399ae8663f39/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 28a54042f1f5566756557cd1279c2453038441ec ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 03:27:57,653 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:27:57,654 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:27:57,660 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:27:57,660 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:27:57,661 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:27:57,661 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:27:57,663 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:27:57,664 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:27:57,664 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:27:57,665 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:27:57,665 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:27:57,666 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:27:57,666 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:27:57,667 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:27:57,667 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:27:57,668 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:27:57,668 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:27:57,670 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:27:57,671 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:27:57,671 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:27:57,672 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:27:57,673 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:27:57,673 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:27:57,673 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:27:57,674 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:27:57,674 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:27:57,675 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:27:57,675 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:27:57,676 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:27:57,676 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:27:57,677 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:27:57,677 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:27:57,677 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:27:57,678 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:27:57,678 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:27:57,678 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6e6a6b53-f079-456b-9bea-399ae8663f39/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 03:27:57,686 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:27:57,686 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:27:57,687 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:27:57,687 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 03:27:57,687 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 03:27:57,687 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 03:27:57,687 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 03:27:57,687 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 03:27:57,687 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 03:27:57,688 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 03:27:57,688 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 03:27:57,688 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:27:57,688 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:27:57,688 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:27:57,689 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:27:57,689 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:27:57,689 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:27:57,689 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:27:57,689 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:27:57,689 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:27:57,689 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:27:57,689 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:27:57,690 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:27:57,690 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:27:57,690 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:27:57,690 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 03:27:57,690 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:27:57,690 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:27:57,690 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:27:57,691 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:27:57,691 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 03:27:57,691 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:27:57,691 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:27:57,691 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 03:27:57,691 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_6e6a6b53-f079-456b-9bea-399ae8663f39/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 -> 28a54042f1f5566756557cd1279c2453038441ec [2018-11-10 03:27:57,717 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:27:57,726 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:27:57,729 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:27:57,730 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:27:57,730 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:27:57,731 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6e6a6b53-f079-456b-9bea-399ae8663f39/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c [2018-11-10 03:27:57,772 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6e6a6b53-f079-456b-9bea-399ae8663f39/bin-2019/utaipan/data/7d483a94f/a75132f2ca484f899b2c082f4b60b871/FLAG963d08711 [2018-11-10 03:27:58,149 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:27:58,150 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6e6a6b53-f079-456b-9bea-399ae8663f39/sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c [2018-11-10 03:27:58,160 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6e6a6b53-f079-456b-9bea-399ae8663f39/bin-2019/utaipan/data/7d483a94f/a75132f2ca484f899b2c082f4b60b871/FLAG963d08711 [2018-11-10 03:27:58,171 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6e6a6b53-f079-456b-9bea-399ae8663f39/bin-2019/utaipan/data/7d483a94f/a75132f2ca484f899b2c082f4b60b871 [2018-11-10 03:27:58,173 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:27:58,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:27:58,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:27:58,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:27:58,178 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:27:58,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:27:58" (1/1) ... [2018-11-10 03:27:58,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c04b21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:27:58, skipping insertion in model container [2018-11-10 03:27:58,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:27:58" (1/1) ... [2018-11-10 03:27:58,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:27:58,221 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:27:58,412 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:27:58,420 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:27:58,475 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:27:58,496 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:27:58,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:27:58 WrapperNode [2018-11-10 03:27:58,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:27:58,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:27:58,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:27:58,498 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:27:58,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:27:58" (1/1) ... [2018-11-10 03:27:58,565 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:27:58" (1/1) ... [2018-11-10 03:27:58,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:27:58,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:27:58,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:27:58,589 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:27:58,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:27:58" (1/1) ... [2018-11-10 03:27:58,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:27:58" (1/1) ... [2018-11-10 03:27:58,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:27:58" (1/1) ... [2018-11-10 03:27:58,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:27:58" (1/1) ... [2018-11-10 03:27:58,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:27:58" (1/1) ... [2018-11-10 03:27:58,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:27:58" (1/1) ... [2018-11-10 03:27:58,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:27:58" (1/1) ... [2018-11-10 03:27:58,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:27:58,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:27:58,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:27:58,620 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:27:58,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:27:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6e6a6b53-f079-456b-9bea-399ae8663f39/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 [2018-11-10 03:27:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 03:27:58,658 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 03:27:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 03:27:58,659 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 03:27:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-10 03:27:58,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-10 03:27:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 03:27:58,659 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 03:27:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 03:27:58,659 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 03:27:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 03:27:58,660 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 03:27:58,660 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 03:27:58,660 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 03:27:58,660 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-10 03:27:58,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-10 03:27:58,660 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 03:27:58,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 03:27:58,660 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 03:27:58,661 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 03:27:58,661 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 03:27:58,661 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 03:27:58,661 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 03:27:58,661 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 03:27:58,661 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-10 03:27:58,661 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-10 03:27:58,661 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 03:27:58,661 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 03:27:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 03:27:58,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 03:27:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 03:27:58,662 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 03:27:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 03:27:58,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 03:27:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 03:27:58,662 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 03:27:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 03:27:58,663 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 03:27:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 03:27:58,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 03:27:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 03:27:58,663 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 03:27:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:27:58,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:27:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 03:27:58,663 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 03:27:58,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-10 03:27:58,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-10 03:27:59,149 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:27:59,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:27:59 BoogieIcfgContainer [2018-11-10 03:27:59,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:27:59,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 03:27:59,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 03:27:59,154 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 03:27:59,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:27:58" (1/3) ... [2018-11-10 03:27:59,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fa4f52c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:27:59, skipping insertion in model container [2018-11-10 03:27:59,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:27:58" (2/3) ... [2018-11-10 03:27:59,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fa4f52c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:27:59, skipping insertion in model container [2018-11-10 03:27:59,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:27:59" (3/3) ... [2018-11-10 03:27:59,157 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product26_true-unreach-call_false-termination.cil.c [2018-11-10 03:27:59,165 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 03:27:59,171 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 03:27:59,183 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 03:27:59,210 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 03:27:59,210 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 03:27:59,210 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 03:27:59,210 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:27:59,210 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:27:59,210 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 03:27:59,210 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:27:59,211 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 03:27:59,226 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2018-11-10 03:27:59,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 03:27:59,233 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:27:59,234 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:27:59,236 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:27:59,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:27:59,241 INFO L82 PathProgramCache]: Analyzing trace with hash 976712643, now seen corresponding path program 1 times [2018-11-10 03:27:59,243 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:27:59,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:27:59,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:27:59,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:27:59,283 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:27:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:27:59,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:27:59,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:27:59,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 03:27:59,451 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:27:59,455 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 03:27:59,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 03:27:59,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 03:27:59,468 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2018-11-10 03:27:59,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:27:59,496 INFO L93 Difference]: Finished difference Result 220 states and 271 transitions. [2018-11-10 03:27:59,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 03:27:59,497 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-10 03:27:59,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:27:59,504 INFO L225 Difference]: With dead ends: 220 [2018-11-10 03:27:59,504 INFO L226 Difference]: Without dead ends: 110 [2018-11-10 03:27:59,506 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 03:27:59,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-11-10 03:27:59,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-11-10 03:27:59,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-11-10 03:27:59,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 127 transitions. [2018-11-10 03:27:59,535 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 127 transitions. Word has length 46 [2018-11-10 03:27:59,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:27:59,535 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 127 transitions. [2018-11-10 03:27:59,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 03:27:59,536 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions. [2018-11-10 03:27:59,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 03:27:59,537 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:27:59,537 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:27:59,538 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:27:59,538 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:27:59,538 INFO L82 PathProgramCache]: Analyzing trace with hash -207127318, now seen corresponding path program 1 times [2018-11-10 03:27:59,538 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:27:59,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:27:59,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:27:59,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:27:59,539 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:27:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:27:59,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:27:59,623 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:27:59,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 03:27:59,623 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:27:59,625 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 03:27:59,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 03:27:59,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 03:27:59,625 INFO L87 Difference]: Start difference. First operand 110 states and 127 transitions. Second operand 3 states. [2018-11-10 03:27:59,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:27:59,641 INFO L93 Difference]: Finished difference Result 163 states and 187 transitions. [2018-11-10 03:27:59,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 03:27:59,642 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-10 03:27:59,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:27:59,643 INFO L225 Difference]: With dead ends: 163 [2018-11-10 03:27:59,643 INFO L226 Difference]: Without dead ends: 100 [2018-11-10 03:27:59,644 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 03:27:59,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-11-10 03:27:59,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-11-10 03:27:59,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-10 03:27:59,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2018-11-10 03:27:59,655 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 48 [2018-11-10 03:27:59,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:27:59,655 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2018-11-10 03:27:59,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 03:27:59,655 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2018-11-10 03:27:59,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 03:27:59,657 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:27:59,657 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:27:59,657 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:27:59,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:27:59,657 INFO L82 PathProgramCache]: Analyzing trace with hash 67754824, now seen corresponding path program 1 times [2018-11-10 03:27:59,657 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:27:59,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:27:59,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:27:59,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:27:59,660 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:27:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:27:59,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:27:59,776 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:27:59,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 03:27:59,776 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:27:59,776 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 03:27:59,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 03:27:59,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 03:27:59,777 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 7 states. [2018-11-10 03:28:00,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:28:00,086 INFO L93 Difference]: Finished difference Result 176 states and 205 transitions. [2018-11-10 03:28:00,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 03:28:00,086 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-10 03:28:00,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:28:00,088 INFO L225 Difference]: With dead ends: 176 [2018-11-10 03:28:00,088 INFO L226 Difference]: Without dead ends: 100 [2018-11-10 03:28:00,089 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-10 03:28:00,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-11-10 03:28:00,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-11-10 03:28:00,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-10 03:28:00,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 113 transitions. [2018-11-10 03:28:00,098 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 113 transitions. Word has length 53 [2018-11-10 03:28:00,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:28:00,099 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 113 transitions. [2018-11-10 03:28:00,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 03:28:00,099 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 113 transitions. [2018-11-10 03:28:00,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-10 03:28:00,100 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:28:00,100 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:28:00,100 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:28:00,100 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:28:00,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1085579464, now seen corresponding path program 1 times [2018-11-10 03:28:00,100 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:28:00,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:28:00,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:28:00,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:28:00,102 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:28:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:28:00,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:28:00,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:28:00,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 03:28:00,206 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:28:00,206 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 03:28:00,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 03:28:00,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 03:28:00,207 INFO L87 Difference]: Start difference. First operand 100 states and 113 transitions. Second operand 6 states. [2018-11-10 03:28:00,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:28:00,402 INFO L93 Difference]: Finished difference Result 245 states and 288 transitions. [2018-11-10 03:28:00,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 03:28:00,403 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2018-11-10 03:28:00,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:28:00,405 INFO L225 Difference]: With dead ends: 245 [2018-11-10 03:28:00,405 INFO L226 Difference]: Without dead ends: 169 [2018-11-10 03:28:00,406 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 03:28:00,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-11-10 03:28:00,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 167. [2018-11-10 03:28:00,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-11-10 03:28:00,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 192 transitions. [2018-11-10 03:28:00,425 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 192 transitions. Word has length 61 [2018-11-10 03:28:00,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:28:00,426 INFO L481 AbstractCegarLoop]: Abstraction has 167 states and 192 transitions. [2018-11-10 03:28:00,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 03:28:00,426 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 192 transitions. [2018-11-10 03:28:00,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 03:28:00,429 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:28:00,429 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:28:00,431 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:28:00,431 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:28:00,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1103476628, now seen corresponding path program 1 times [2018-11-10 03:28:00,431 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:28:00,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:28:00,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:28:00,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:28:00,432 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:28:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:28:00,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:28:00,529 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:28:00,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 03:28:00,529 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:28:00,530 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 03:28:00,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 03:28:00,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 03:28:00,531 INFO L87 Difference]: Start difference. First operand 167 states and 192 transitions. Second operand 7 states. [2018-11-10 03:28:00,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:28:00,814 INFO L93 Difference]: Finished difference Result 265 states and 312 transitions. [2018-11-10 03:28:00,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 03:28:00,818 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-10 03:28:00,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:28:00,819 INFO L225 Difference]: With dead ends: 265 [2018-11-10 03:28:00,819 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 03:28:00,820 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-10 03:28:00,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 03:28:00,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 03:28:00,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 03:28:00,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 03:28:00,821 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2018-11-10 03:28:00,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:28:00,821 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 03:28:00,821 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 03:28:00,821 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 03:28:00,821 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 03:28:00,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 03:28:01,359 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 390 397) the Hoare annotation is: true [2018-11-10 03:28:01,359 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 390 397) no Hoare annotation was computed. [2018-11-10 03:28:01,359 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 390 397) no Hoare annotation was computed. [2018-11-10 03:28:01,359 INFO L421 ceAbstractionStarter]: At program point L353(line 353) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 03:28:01,359 INFO L421 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 03:28:01,359 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 355) no Hoare annotation was computed. [2018-11-10 03:28:01,359 INFO L421 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 03:28:01,360 INFO L425 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2018-11-10 03:28:01,360 INFO L425 ceAbstractionStarter]: For program point L343(lines 343 360) no Hoare annotation was computed. [2018-11-10 03:28:01,360 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 339 363) no Hoare annotation was computed. [2018-11-10 03:28:01,360 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 339 363) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 03:28:01,360 INFO L421 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 03:28:01,360 INFO L425 ceAbstractionStarter]: For program point L358-1(lines 339 363) no Hoare annotation was computed. [2018-11-10 03:28:01,360 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-10 03:28:01,360 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-10 03:28:01,360 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 331 337) no Hoare annotation was computed. [2018-11-10 03:28:01,360 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 331 337) the Hoare annotation is: true [2018-11-10 03:28:01,360 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-10 03:28:01,360 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-10 03:28:01,360 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-10 03:28:01,360 INFO L425 ceAbstractionStarter]: For program point L896(lines 896 900) no Hoare annotation was computed. [2018-11-10 03:28:01,360 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 848 913) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:28:01,360 INFO L421 ceAbstractionStarter]: At program point L896-2(lines 888 901) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 03:28:01,360 INFO L425 ceAbstractionStarter]: For program point L859(lines 858 905) no Hoare annotation was computed. [2018-11-10 03:28:01,360 INFO L421 ceAbstractionStarter]: At program point L890(line 890) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 03:28:01,361 INFO L425 ceAbstractionStarter]: For program point L888(lines 888 901) no Hoare annotation was computed. [2018-11-10 03:28:01,361 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 848 913) no Hoare annotation was computed. [2018-11-10 03:28:01,361 INFO L421 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 03:28:01,361 INFO L425 ceAbstractionStarter]: For program point L878(lines 878 884) no Hoare annotation was computed. [2018-11-10 03:28:01,361 INFO L425 ceAbstractionStarter]: For program point L878-1(lines 878 884) no Hoare annotation was computed. [2018-11-10 03:28:01,361 INFO L421 ceAbstractionStarter]: At program point L903(lines 858 905) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 03:28:01,361 INFO L421 ceAbstractionStarter]: At program point L870(line 870) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 03:28:01,361 INFO L425 ceAbstractionStarter]: For program point L868(lines 868 874) no Hoare annotation was computed. [2018-11-10 03:28:01,361 INFO L425 ceAbstractionStarter]: For program point L868-1(lines 868 874) no Hoare annotation was computed. [2018-11-10 03:28:01,361 INFO L425 ceAbstractionStarter]: For program point L860(lines 860 864) no Hoare annotation was computed. [2018-11-10 03:28:01,361 INFO L425 ceAbstractionStarter]: For program point L858-1(lines 858 905) no Hoare annotation was computed. [2018-11-10 03:28:01,361 INFO L421 ceAbstractionStarter]: At program point L906(lines 857 907) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:28:01,361 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 848 913) no Hoare annotation was computed. [2018-11-10 03:28:01,361 INFO L421 ceAbstractionStarter]: At program point L289(line 289) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-10 03:28:01,362 INFO L421 ceAbstractionStarter]: At program point L289-1(line 289) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-10 03:28:01,362 INFO L425 ceAbstractionStarter]: For program point L287(lines 287 294) no Hoare annotation was computed. [2018-11-10 03:28:01,362 INFO L425 ceAbstractionStarter]: For program point L287-1(lines 287 294) no Hoare annotation was computed. [2018-11-10 03:28:01,362 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 277 299) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:28:01,362 INFO L425 ceAbstractionStarter]: For program point L285(line 285) no Hoare annotation was computed. [2018-11-10 03:28:01,362 INFO L421 ceAbstractionStarter]: At program point L284(line 284) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:28:01,362 INFO L421 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:28:01,362 INFO L421 ceAbstractionStarter]: At program point L283-1(line 283) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:28:01,362 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 277 299) no Hoare annotation was computed. [2018-11-10 03:28:01,362 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 277 299) no Hoare annotation was computed. [2018-11-10 03:28:01,362 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 164 172) no Hoare annotation was computed. [2018-11-10 03:28:01,363 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 164 172) the Hoare annotation is: true [2018-11-10 03:28:01,363 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 164 172) no Hoare annotation was computed. [2018-11-10 03:28:01,363 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 409 417) no Hoare annotation was computed. [2018-11-10 03:28:01,363 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 409 417) the Hoare annotation is: true [2018-11-10 03:28:01,363 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 409 417) no Hoare annotation was computed. [2018-11-10 03:28:01,363 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 03:28:01,363 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-10 03:28:01,363 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 03:28:01,363 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 467) no Hoare annotation was computed. [2018-11-10 03:28:01,363 INFO L428 ceAbstractionStarter]: At program point L461(line 461) the Hoare annotation is: true [2018-11-10 03:28:01,363 INFO L425 ceAbstractionStarter]: For program point L463-2(lines 463 467) no Hoare annotation was computed. [2018-11-10 03:28:01,363 INFO L425 ceAbstractionStarter]: For program point L461-1(line 461) no Hoare annotation was computed. [2018-11-10 03:28:01,363 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 454 472) the Hoare annotation is: true [2018-11-10 03:28:01,363 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 454 472) no Hoare annotation was computed. [2018-11-10 03:28:01,363 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 454 472) no Hoare annotation was computed. [2018-11-10 03:28:01,364 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 111 122) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:28:01,364 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 111 122) no Hoare annotation was computed. [2018-11-10 03:28:01,364 INFO L425 ceAbstractionStarter]: For program point L115-1(lines 111 122) no Hoare annotation was computed. [2018-11-10 03:28:01,364 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 123 131) the Hoare annotation is: true [2018-11-10 03:28:01,364 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 123 131) no Hoare annotation was computed. [2018-11-10 03:28:01,364 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 123 131) no Hoare annotation was computed. [2018-11-10 03:28:01,364 INFO L425 ceAbstractionStarter]: For program point L225(line 225) no Hoare annotation was computed. [2018-11-10 03:28:01,364 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 204 233) no Hoare annotation was computed. [2018-11-10 03:28:01,364 INFO L425 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2018-11-10 03:28:01,364 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 204 233) the Hoare annotation is: true [2018-11-10 03:28:01,364 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 222) no Hoare annotation was computed. [2018-11-10 03:28:01,364 INFO L428 ceAbstractionStarter]: At program point L218-1(lines 218 222) the Hoare annotation is: true [2018-11-10 03:28:01,364 INFO L425 ceAbstractionStarter]: For program point L214-1(lines 214 228) no Hoare annotation was computed. [2018-11-10 03:28:01,365 INFO L428 ceAbstractionStarter]: At program point L214-3(lines 214 228) the Hoare annotation is: true [2018-11-10 03:28:01,365 INFO L428 ceAbstractionStarter]: At program point L210(line 210) the Hoare annotation is: true [2018-11-10 03:28:01,365 INFO L425 ceAbstractionStarter]: For program point L210-1(line 210) no Hoare annotation was computed. [2018-11-10 03:28:01,365 INFO L428 ceAbstractionStarter]: At program point L229(lines 204 233) the Hoare annotation is: true [2018-11-10 03:28:01,365 INFO L421 ceAbstractionStarter]: At program point L320(line 320) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 03:28:01,365 INFO L421 ceAbstractionStarter]: At program point L318(lines 318 324) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 03:28:01,365 INFO L421 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 03:28:01,365 INFO L425 ceAbstractionStarter]: For program point L311(lines 310 329) no Hoare annotation was computed. [2018-11-10 03:28:01,365 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 307 330) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 03:28:01,365 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 307 330) no Hoare annotation was computed. [2018-11-10 03:28:01,365 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 307 330) no Hoare annotation was computed. [2018-11-10 03:28:01,365 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 87 98) the Hoare annotation is: true [2018-11-10 03:28:01,366 INFO L425 ceAbstractionStarter]: For program point L91-1(lines 87 98) no Hoare annotation was computed. [2018-11-10 03:28:01,366 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 87 98) no Hoare annotation was computed. [2018-11-10 03:28:01,366 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-10 03:28:01,366 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-10 03:28:01,366 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 03:28:01,366 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-10 03:28:01,366 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 03:28:01,366 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 03:28:01,366 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 259 265) no Hoare annotation was computed. [2018-11-10 03:28:01,366 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 259 265) the Hoare annotation is: true [2018-11-10 03:28:01,366 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 473 480) no Hoare annotation was computed. [2018-11-10 03:28:01,366 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 473 480) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))) [2018-11-10 03:28:01,366 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 473 480) no Hoare annotation was computed. [2018-11-10 03:28:01,367 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 99 110) no Hoare annotation was computed. [2018-11-10 03:28:01,367 INFO L425 ceAbstractionStarter]: For program point L103-1(lines 99 110) no Hoare annotation was computed. [2018-11-10 03:28:01,367 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 99 110) the Hoare annotation is: true [2018-11-10 03:28:01,367 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 915 922) no Hoare annotation was computed. [2018-11-10 03:28:01,367 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 915 922) the Hoare annotation is: true [2018-11-10 03:28:01,367 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 919) no Hoare annotation was computed. [2018-11-10 03:28:01,367 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 915 922) no Hoare annotation was computed. [2018-11-10 03:28:01,367 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 267 276) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:28:01,367 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 267 276) no Hoare annotation was computed. [2018-11-10 03:28:01,367 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 267 276) no Hoare annotation was computed. [2018-11-10 03:28:01,367 INFO L421 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-10 03:28:01,367 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 176 200) the Hoare annotation is: true [2018-11-10 03:28:01,367 INFO L425 ceAbstractionStarter]: For program point L188(lines 188 194) no Hoare annotation was computed. [2018-11-10 03:28:01,368 INFO L421 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-10 03:28:01,368 INFO L425 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2018-11-10 03:28:01,368 INFO L425 ceAbstractionStarter]: For program point L184(lines 184 197) no Hoare annotation was computed. [2018-11-10 03:28:01,368 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 176 200) no Hoare annotation was computed. [2018-11-10 03:28:01,368 INFO L425 ceAbstractionStarter]: For program point L184-1(lines 176 200) no Hoare annotation was computed. [2018-11-10 03:28:01,368 INFO L428 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: true [2018-11-10 03:28:01,368 INFO L425 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-11-10 03:28:01,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 03:28:01 BoogieIcfgContainer [2018-11-10 03:28:01,377 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 03:28:01,377 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:28:01,378 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:28:01,378 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:28:01,378 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:27:59" (3/4) ... [2018-11-10 03:28:01,381 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 03:28:01,386 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 03:28:01,386 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 03:28:01,386 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 03:28:01,386 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 03:28:01,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 03:28:01,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 03:28:01,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 03:28:01,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-10 03:28:01,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 03:28:01,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 03:28:01,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-10 03:28:01,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 03:28:01,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 03:28:01,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 03:28:01,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 03:28:01,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 03:28:01,388 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 03:28:01,388 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 03:28:01,388 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-10 03:28:01,388 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 03:28:01,388 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 03:28:01,388 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 03:28:01,388 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-10 03:28:01,395 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 138 nodes and edges [2018-11-10 03:28:01,396 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 03:28:01,396 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 03:28:01,422 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) [2018-11-10 03:28:01,422 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 03:28:01,460 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6e6a6b53-f079-456b-9bea-399ae8663f39/bin-2019/utaipan/witness.graphml [2018-11-10 03:28:01,460 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:28:01,460 INFO L168 Benchmark]: Toolchain (without parser) took 3286.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 959.2 MB in the beginning and 969.4 MB in the end (delta: -10.1 MB). Peak memory consumption was 127.2 MB. Max. memory is 11.5 GB. [2018-11-10 03:28:01,461 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-11-10 03:28:01,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.82 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 935.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 03:28:01,462 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -198.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 03:28:01,462 INFO L168 Benchmark]: Boogie Preprocessor took 31.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:28:01,462 INFO L168 Benchmark]: RCFGBuilder took 529.81 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: 89.5 MB). Peak memory consumption was 89.5 MB. Max. memory is 11.5 GB. [2018-11-10 03:28:01,462 INFO L168 Benchmark]: TraceAbstraction took 2226.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 979.9 MB in the end (delta: 59.3 MB). Peak memory consumption was 59.3 MB. Max. memory is 11.5 GB. [2018-11-10 03:28:01,463 INFO L168 Benchmark]: Witness Printer took 82.32 ms. Allocated memory is still 1.2 GB. Free memory was 979.9 MB in the beginning and 969.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-11-10 03:28:01,464 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 321.82 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 935.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 90.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -198.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 529.81 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: 89.5 MB). Peak memory consumption was 89.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2226.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 979.9 MB in the end (delta: 59.3 MB). Peak memory consumption was 59.3 MB. Max. memory is 11.5 GB. * Witness Printer took 82.32 ms. Allocated memory is still 1.2 GB. Free memory was 979.9 MB in the beginning and 969.4 MB 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: 919]: 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: 858]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 123 locations, 1 error locations. SAFE Result, 2.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 549 SDtfs, 278 SDslu, 857 SDs, 0 SdLazy, 318 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=167occurred 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, 51 LocationsWithAnnotation, 231 PreInvPairs, 246 NumberOfFragments, 499 HoareAnnotationTreeSize, 231 FomulaSimplifications, 85 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 706 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 273 NumberOfCodeBlocks, 273 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 268 ConstructedInterpolants, 0 QuantifiedInterpolants, 24968 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...