./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product12_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_295ae32e-c782-49ea-a114-2cdb43c58967/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_295ae32e-c782-49ea-a114-2cdb43c58967/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_295ae32e-c782-49ea-a114-2cdb43c58967/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_295ae32e-c782-49ea-a114-2cdb43c58967/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product12_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_295ae32e-c782-49ea-a114-2cdb43c58967/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_295ae32e-c782-49ea-a114-2cdb43c58967/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 ecfbbc733442c307db2d841c8e8a441054d096f7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:28:21,638 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:28:21,639 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:28:21,644 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:28:21,645 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:28:21,645 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:28:21,646 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:28:21,647 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:28:21,647 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:28:21,648 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:28:21,648 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:28:21,648 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:28:21,649 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:28:21,649 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:28:21,650 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:28:21,650 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:28:21,651 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:28:21,651 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:28:21,652 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:28:21,653 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:28:21,654 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:28:21,654 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:28:21,655 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:28:21,656 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:28:21,656 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:28:21,656 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:28:21,657 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:28:21,657 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:28:21,657 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:28:21,658 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:28:21,658 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:28:21,658 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:28:21,659 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:28:21,659 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:28:21,659 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:28:21,659 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:28:21,660 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_295ae32e-c782-49ea-a114-2cdb43c58967/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 16:28:21,667 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:28:21,667 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:28:21,667 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:28:21,667 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 16:28:21,668 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 16:28:21,668 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 16:28:21,668 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 16:28:21,668 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 16:28:21,668 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 16:28:21,668 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 16:28:21,668 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 16:28:21,668 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 16:28:21,668 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 16:28:21,669 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:28:21,669 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:28:21,669 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:28:21,669 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:28:21,669 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:28:21,669 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:28:21,669 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:28:21,669 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:28:21,669 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:28:21,669 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:28:21,669 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:28:21,670 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:28:21,670 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:28:21,670 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:28:21,670 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 16:28:21,670 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:28:21,670 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:28:21,670 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:28:21,670 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:28:21,670 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 16:28:21,670 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:28:21,670 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:28:21,671 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 16:28:21,671 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_295ae32e-c782-49ea-a114-2cdb43c58967/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 -> ecfbbc733442c307db2d841c8e8a441054d096f7 [2018-12-08 16:28:21,688 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:28:21,694 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:28:21,696 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:28:21,697 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:28:21,697 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:28:21,698 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_295ae32e-c782-49ea-a114-2cdb43c58967/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product12_true-unreach-call_false-termination.cil.c [2018-12-08 16:28:21,732 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_295ae32e-c782-49ea-a114-2cdb43c58967/bin-2019/utaipan/data/9800af305/d8fa3713e9614114be55683b1cbc22e6/FLAG5053aeb7f [2018-12-08 16:28:22,189 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:28:22,189 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_295ae32e-c782-49ea-a114-2cdb43c58967/sv-benchmarks/c/product-lines/minepump_spec1_product12_true-unreach-call_false-termination.cil.c [2018-12-08 16:28:22,195 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_295ae32e-c782-49ea-a114-2cdb43c58967/bin-2019/utaipan/data/9800af305/d8fa3713e9614114be55683b1cbc22e6/FLAG5053aeb7f [2018-12-08 16:28:22,203 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_295ae32e-c782-49ea-a114-2cdb43c58967/bin-2019/utaipan/data/9800af305/d8fa3713e9614114be55683b1cbc22e6 [2018-12-08 16:28:22,204 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:28:22,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:28:22,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:28:22,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:28:22,208 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:28:22,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:28:22" (1/1) ... [2018-12-08 16:28:22,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:28:22, skipping insertion in model container [2018-12-08 16:28:22,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:28:22" (1/1) ... [2018-12-08 16:28:22,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:28:22,234 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:28:22,374 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:28:22,381 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:28:22,456 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:28:22,471 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:28:22,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:28:22 WrapperNode [2018-12-08 16:28:22,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:28:22,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:28:22,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:28:22,472 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:28:22,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:28:22" (1/1) ... [2018-12-08 16:28:22,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:28:22" (1/1) ... [2018-12-08 16:28:22,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:28:22,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:28:22,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:28:22,490 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:28:22,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:28:22" (1/1) ... [2018-12-08 16:28:22,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:28:22" (1/1) ... [2018-12-08 16:28:22,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:28:22" (1/1) ... [2018-12-08 16:28:22,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:28:22" (1/1) ... [2018-12-08 16:28:22,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:28:22" (1/1) ... [2018-12-08 16:28:22,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:28:22" (1/1) ... [2018-12-08 16:28:22,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:28:22" (1/1) ... [2018-12-08 16:28:22,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:28:22,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:28:22,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:28:22,510 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:28:22,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:28:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_295ae32e-c782-49ea-a114-2cdb43c58967/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 [2018-12-08 16:28:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 16:28:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 16:28:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 16:28:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 16:28:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-08 16:28:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-08 16:28:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:28:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 16:28:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 16:28:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 16:28:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 16:28:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 16:28:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 16:28:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 16:28:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 16:28:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 16:28:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 16:28:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 16:28:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 16:28:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 16:28:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 16:28:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-08 16:28:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-08 16:28:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 16:28:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 16:28:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 16:28:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 16:28:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 16:28:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 16:28:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 16:28:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 16:28:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 16:28:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 16:28:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 16:28:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 16:28:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 16:28:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 16:28:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 16:28:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 16:28:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 16:28:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 16:28:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 16:28:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:28:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:28:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-08 16:28:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-08 16:28:22,791 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:28:22,791 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 16:28:22,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:28:22 BoogieIcfgContainer [2018-12-08 16:28:22,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:28:22,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 16:28:22,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 16:28:22,793 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 16:28:22,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:28:22" (1/3) ... [2018-12-08 16:28:22,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188afbc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:28:22, skipping insertion in model container [2018-12-08 16:28:22,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:28:22" (2/3) ... [2018-12-08 16:28:22,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188afbc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:28:22, skipping insertion in model container [2018-12-08 16:28:22,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:28:22" (3/3) ... [2018-12-08 16:28:22,795 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product12_true-unreach-call_false-termination.cil.c [2018-12-08 16:28:22,801 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 16:28:22,806 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 16:28:22,815 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 16:28:22,833 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 16:28:22,833 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 16:28:22,833 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 16:28:22,833 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:28:22,833 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:28:22,833 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 16:28:22,834 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:28:22,834 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 16:28:22,844 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2018-12-08 16:28:22,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 16:28:22,849 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:28:22,849 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] [2018-12-08 16:28:22,851 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:28:22,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:28:22,854 INFO L82 PathProgramCache]: Analyzing trace with hash -222364740, now seen corresponding path program 1 times [2018-12-08 16:28:22,855 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:28:22,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:28:22,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:28:22,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:28:22,883 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:28:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:28:22,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:28:22,995 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:28:22,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 16:28:22,996 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:28:22,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 16:28:23,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 16:28:23,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 16:28:23,008 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2018-12-08 16:28:23,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:28:23,026 INFO L93 Difference]: Finished difference Result 188 states and 233 transitions. [2018-12-08 16:28:23,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 16:28:23,027 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-08 16:28:23,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:28:23,033 INFO L225 Difference]: With dead ends: 188 [2018-12-08 16:28:23,034 INFO L226 Difference]: Without dead ends: 94 [2018-12-08 16:28:23,035 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 [2018-12-08 16:28:23,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-12-08 16:28:23,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-12-08 16:28:23,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-12-08 16:28:23,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2018-12-08 16:28:23,063 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46 [2018-12-08 16:28:23,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:28:23,063 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2018-12-08 16:28:23,063 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 16:28:23,063 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2018-12-08 16:28:23,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 16:28:23,064 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:28:23,064 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] [2018-12-08 16:28:23,065 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:28:23,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:28:23,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1220321971, now seen corresponding path program 1 times [2018-12-08 16:28:23,065 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:28:23,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:28:23,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:28:23,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:28:23,066 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:28:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:28:23,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:28:23,120 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:28:23,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 16:28:23,120 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:28:23,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:28:23,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:28:23,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:28:23,121 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 3 states. [2018-12-08 16:28:23,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:28:23,131 INFO L93 Difference]: Finished difference Result 124 states and 141 transitions. [2018-12-08 16:28:23,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:28:23,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-08 16:28:23,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:28:23,132 INFO L225 Difference]: With dead ends: 124 [2018-12-08 16:28:23,132 INFO L226 Difference]: Without dead ends: 85 [2018-12-08 16:28:23,133 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 [2018-12-08 16:28:23,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-12-08 16:28:23,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-12-08 16:28:23,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-12-08 16:28:23,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2018-12-08 16:28:23,138 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 47 [2018-12-08 16:28:23,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:28:23,139 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2018-12-08 16:28:23,139 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:28:23,139 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2018-12-08 16:28:23,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 16:28:23,139 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:28:23,139 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] [2018-12-08 16:28:23,140 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:28:23,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:28:23,140 INFO L82 PathProgramCache]: Analyzing trace with hash 161305573, now seen corresponding path program 1 times [2018-12-08 16:28:23,140 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:28:23,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:28:23,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:28:23,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:28:23,141 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:28:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:28:23,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:28:23,218 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:28:23,218 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 16:28:23,218 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:28:23,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:28:23,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:28:23,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:28:23,219 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 7 states. [2018-12-08 16:28:23,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:28:23,389 INFO L93 Difference]: Finished difference Result 257 states and 308 transitions. [2018-12-08 16:28:23,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 16:28:23,389 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-08 16:28:23,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:28:23,390 INFO L225 Difference]: With dead ends: 257 [2018-12-08 16:28:23,391 INFO L226 Difference]: Without dead ends: 196 [2018-12-08 16:28:23,391 INFO L631 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 [2018-12-08 16:28:23,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-12-08 16:28:23,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 172. [2018-12-08 16:28:23,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-12-08 16:28:23,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 204 transitions. [2018-12-08 16:28:23,407 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 204 transitions. Word has length 52 [2018-12-08 16:28:23,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:28:23,407 INFO L480 AbstractCegarLoop]: Abstraction has 172 states and 204 transitions. [2018-12-08 16:28:23,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:28:23,407 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 204 transitions. [2018-12-08 16:28:23,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-08 16:28:23,408 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:28:23,408 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] [2018-12-08 16:28:23,408 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:28:23,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:28:23,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1645610747, now seen corresponding path program 1 times [2018-12-08 16:28:23,409 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:28:23,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:28:23,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:28:23,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:28:23,409 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:28:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:28:23,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:28:23,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:28:23,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 16:28:23,503 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:28:23,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:28:23,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:28:23,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:28:23,504 INFO L87 Difference]: Start difference. First operand 172 states and 204 transitions. Second operand 6 states. [2018-12-08 16:28:23,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:28:23,601 INFO L93 Difference]: Finished difference Result 453 states and 560 transitions. [2018-12-08 16:28:23,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 16:28:23,601 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2018-12-08 16:28:23,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:28:23,603 INFO L225 Difference]: With dead ends: 453 [2018-12-08 16:28:23,603 INFO L226 Difference]: Without dead ends: 305 [2018-12-08 16:28:23,604 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 [2018-12-08 16:28:23,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2018-12-08 16:28:23,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 299. [2018-12-08 16:28:23,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-12-08 16:28:23,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 358 transitions. [2018-12-08 16:28:23,622 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 358 transitions. Word has length 55 [2018-12-08 16:28:23,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:28:23,623 INFO L480 AbstractCegarLoop]: Abstraction has 299 states and 358 transitions. [2018-12-08 16:28:23,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:28:23,623 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 358 transitions. [2018-12-08 16:28:23,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 16:28:23,625 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:28:23,625 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] [2018-12-08 16:28:23,625 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:28:23,625 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:28:23,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1992415049, now seen corresponding path program 1 times [2018-12-08 16:28:23,625 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:28:23,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:28:23,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:28:23,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:28:23,626 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:28:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:28:23,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:28:23,673 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:28:23,673 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 16:28:23,674 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:28:23,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:28:23,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:28:23,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:28:23,674 INFO L87 Difference]: Start difference. First operand 299 states and 358 transitions. Second operand 6 states. [2018-12-08 16:28:23,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:28:23,770 INFO L93 Difference]: Finished difference Result 545 states and 668 transitions. [2018-12-08 16:28:23,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 16:28:23,770 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2018-12-08 16:28:23,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:28:23,771 INFO L225 Difference]: With dead ends: 545 [2018-12-08 16:28:23,771 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 16:28:23,773 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 [2018-12-08 16:28:23,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 16:28:23,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 16:28:23,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 16:28:23,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 16:28:23,773 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2018-12-08 16:28:23,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:28:23,774 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 16:28:23,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:28:23,774 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 16:28:23,774 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 16:28:23,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 16:28:24,099 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 183 190) the Hoare annotation is: true [2018-12-08 16:28:24,099 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 183 190) no Hoare annotation was computed. [2018-12-08 16:28:24,100 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 183 190) no Hoare annotation was computed. [2018-12-08 16:28:24,100 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 150 156) no Hoare annotation was computed. [2018-12-08 16:28:24,100 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 150 156) the Hoare annotation is: true [2018-12-08 16:28:24,100 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 382 388) the Hoare annotation is: true [2018-12-08 16:28:24,100 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 382 388) no Hoare annotation was computed. [2018-12-08 16:28:24,100 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 389 397) no Hoare annotation was computed. [2018-12-08 16:28:24,100 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 389 397) the Hoare annotation is: true [2018-12-08 16:28:24,100 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 389 397) no Hoare annotation was computed. [2018-12-08 16:28:24,100 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 66 72) no Hoare annotation was computed. [2018-12-08 16:28:24,101 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 46 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:28:24,101 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 62) no Hoare annotation was computed. [2018-12-08 16:28:24,101 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 46 113) no Hoare annotation was computed. [2018-12-08 16:28:24,101 INFO L444 ceAbstractionStarter]: At program point L106(lines 55 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:28:24,101 INFO L444 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:28:24,101 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 100) no Hoare annotation was computed. [2018-12-08 16:28:24,101 INFO L444 ceAbstractionStarter]: At program point L94-1(lines 86 101) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:28:24,102 INFO L448 ceAbstractionStarter]: For program point L57(lines 56 105) no Hoare annotation was computed. [2018-12-08 16:28:24,102 INFO L444 ceAbstractionStarter]: At program point L88(line 88) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:28:24,102 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 101) no Hoare annotation was computed. [2018-12-08 16:28:24,102 INFO L444 ceAbstractionStarter]: At program point L78(line 78) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:28:24,102 INFO L448 ceAbstractionStarter]: For program point L76(lines 76 82) no Hoare annotation was computed. [2018-12-08 16:28:24,102 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2018-12-08 16:28:24,102 INFO L444 ceAbstractionStarter]: At program point L103(lines 56 105) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:28:24,102 INFO L444 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:28:24,102 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 46 113) no Hoare annotation was computed. [2018-12-08 16:28:24,103 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-12-08 16:28:24,103 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 863 885) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:28:24,103 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 863 885) no Hoare annotation was computed. [2018-12-08 16:28:24,103 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 863 885) no Hoare annotation was computed. [2018-12-08 16:28:24,103 INFO L444 ceAbstractionStarter]: At program point L875(line 875) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~6 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:28:24,103 INFO L444 ceAbstractionStarter]: At program point L875-1(line 875) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~6 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:28:24,103 INFO L448 ceAbstractionStarter]: For program point L873(lines 873 880) no Hoare annotation was computed. [2018-12-08 16:28:24,103 INFO L448 ceAbstractionStarter]: For program point L873-1(lines 873 880) no Hoare annotation was computed. [2018-12-08 16:28:24,104 INFO L448 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-12-08 16:28:24,104 INFO L444 ceAbstractionStarter]: At program point L870(line 870) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:28:24,104 INFO L444 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:28:24,104 INFO L444 ceAbstractionStarter]: At program point L869-1(line 869) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:28:24,104 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 247 261) no Hoare annotation was computed. [2018-12-08 16:28:24,104 INFO L444 ceAbstractionStarter]: At program point L253(line 253) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-08 16:28:24,104 INFO L448 ceAbstractionStarter]: For program point L251(lines 251 257) no Hoare annotation was computed. [2018-12-08 16:28:24,104 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 247 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-12-08 16:28:24,104 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 247 261) no Hoare annotation was computed. [2018-12-08 16:28:24,105 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 202 210) no Hoare annotation was computed. [2018-12-08 16:28:24,105 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 202 210) the Hoare annotation is: true [2018-12-08 16:28:24,105 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 202 210) no Hoare annotation was computed. [2018-12-08 16:28:24,105 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:28:24,105 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-08 16:28:24,105 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:28:24,105 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 307 318) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:28:24,105 INFO L448 ceAbstractionStarter]: For program point L311-1(lines 307 318) no Hoare annotation was computed. [2018-12-08 16:28:24,105 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 307 318) no Hoare annotation was computed. [2018-12-08 16:28:24,106 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 319 327) the Hoare annotation is: true [2018-12-08 16:28:24,106 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 319 327) no Hoare annotation was computed. [2018-12-08 16:28:24,106 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 319 327) no Hoare annotation was computed. [2018-12-08 16:28:24,106 INFO L451 ceAbstractionStarter]: At program point L802-2(lines 802 816) the Hoare annotation is: true [2018-12-08 16:28:24,106 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 792 821) no Hoare annotation was computed. [2018-12-08 16:28:24,106 INFO L451 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-12-08 16:28:24,106 INFO L448 ceAbstractionStarter]: For program point L798-1(line 798) no Hoare annotation was computed. [2018-12-08 16:28:24,106 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 792 821) the Hoare annotation is: true [2018-12-08 16:28:24,106 INFO L451 ceAbstractionStarter]: At program point L817(lines 792 821) the Hoare annotation is: true [2018-12-08 16:28:24,106 INFO L448 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-12-08 16:28:24,107 INFO L448 ceAbstractionStarter]: For program point L806(lines 806 810) no Hoare annotation was computed. [2018-12-08 16:28:24,107 INFO L451 ceAbstractionStarter]: At program point L806-1(lines 806 810) the Hoare annotation is: true [2018-12-08 16:28:24,107 INFO L448 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-12-08 16:28:24,107 INFO L451 ceAbstractionStarter]: At program point timeShiftENTRY(lines 126 149) the Hoare annotation is: true [2018-12-08 16:28:24,107 INFO L444 ceAbstractionStarter]: At program point L139(line 139) the Hoare annotation is: (or (not (= ~systemActive~0 0)) (not (= 0 ~pumpRunning~0))) [2018-12-08 16:28:24,107 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 126 149) no Hoare annotation was computed. [2018-12-08 16:28:24,107 INFO L451 ceAbstractionStarter]: At program point L137(lines 137 143) the Hoare annotation is: true [2018-12-08 16:28:24,107 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 126 149) no Hoare annotation was computed. [2018-12-08 16:28:24,107 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-08 16:28:24,107 INFO L448 ceAbstractionStarter]: For program point L130(lines 129 148) no Hoare annotation was computed. [2018-12-08 16:28:24,108 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 283 294) the Hoare annotation is: true [2018-12-08 16:28:24,108 INFO L448 ceAbstractionStarter]: For program point L287-1(lines 283 294) no Hoare annotation was computed. [2018-12-08 16:28:24,108 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 283 294) no Hoare annotation was computed. [2018-12-08 16:28:24,108 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 375 381) no Hoare annotation was computed. [2018-12-08 16:28:24,108 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 375 381) the Hoare annotation is: true [2018-12-08 16:28:24,108 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 846 852) no Hoare annotation was computed. [2018-12-08 16:28:24,108 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 846 852) the Hoare annotation is: true [2018-12-08 16:28:24,108 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:28:24,108 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-08 16:28:24,108 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 16:28:24,109 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:28:24,109 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 262 269) no Hoare annotation was computed. [2018-12-08 16:28:24,109 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 262 269) the Hoare annotation is: true [2018-12-08 16:28:24,109 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 262 269) no Hoare annotation was computed. [2018-12-08 16:28:24,109 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 295 306) no Hoare annotation was computed. [2018-12-08 16:28:24,109 INFO L448 ceAbstractionStarter]: For program point L299-1(lines 295 306) no Hoare annotation was computed. [2018-12-08 16:28:24,109 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 295 306) the Hoare annotation is: true [2018-12-08 16:28:24,109 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 271 278) no Hoare annotation was computed. [2018-12-08 16:28:24,109 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 275) no Hoare annotation was computed. [2018-12-08 16:28:24,109 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 271 278) the Hoare annotation is: true [2018-12-08 16:28:24,110 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 271 278) no Hoare annotation was computed. [2018-12-08 16:28:24,110 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 853 862) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:28:24,110 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 853 862) no Hoare annotation was computed. [2018-12-08 16:28:24,110 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 853 862) no Hoare annotation was computed. [2018-12-08 16:28:24,110 INFO L444 ceAbstractionStarter]: At program point L413(line 413) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-08 16:28:24,110 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 399 423) the Hoare annotation is: true [2018-12-08 16:28:24,110 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 417) no Hoare annotation was computed. [2018-12-08 16:28:24,110 INFO L444 ceAbstractionStarter]: At program point L409(line 409) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-08 16:28:24,110 INFO L448 ceAbstractionStarter]: For program point L409-1(line 409) no Hoare annotation was computed. [2018-12-08 16:28:24,111 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 399 423) no Hoare annotation was computed. [2018-12-08 16:28:24,111 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 420) no Hoare annotation was computed. [2018-12-08 16:28:24,111 INFO L448 ceAbstractionStarter]: For program point L407-1(lines 399 423) no Hoare annotation was computed. [2018-12-08 16:28:24,111 INFO L451 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: true [2018-12-08 16:28:24,111 INFO L448 ceAbstractionStarter]: For program point L405-1(line 405) no Hoare annotation was computed. [2018-12-08 16:28:24,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 04:28:24 BoogieIcfgContainer [2018-12-08 16:28:24,120 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 16:28:24,121 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:28:24,121 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:28:24,121 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:28:24,121 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:28:22" (3/4) ... [2018-12-08 16:28:24,124 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 16:28:24,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 16:28:24,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 16:28:24,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 16:28:24,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 16:28:24,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 16:28:24,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 16:28:24,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-08 16:28:24,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 16:28:24,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 16:28:24,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 16:28:24,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 16:28:24,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 16:28:24,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 16:28:24,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 16:28:24,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 16:28:24,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 16:28:24,130 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-08 16:28:24,130 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 16:28:24,130 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 16:28:24,130 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 16:28:24,130 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-08 16:28:24,135 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-12-08 16:28:24,135 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 16:28:24,135 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 16:28:24,135 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 16:28:24,136 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 16:28:24,136 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 16:28:24,153 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 16:28:24,154 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 16:28:24,173 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_295ae32e-c782-49ea-a114-2cdb43c58967/bin-2019/utaipan/witness.graphml [2018-12-08 16:28:24,173 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:28:24,173 INFO L168 Benchmark]: Toolchain (without parser) took 1968.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 953.5 MB in the beginning and 796.3 MB in the end (delta: 157.2 MB). Peak memory consumption was 290.9 MB. Max. memory is 11.5 GB. [2018-12-08 16:28:24,174 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:28:24,174 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -167.6 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:28:24,175 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:28:24,175 INFO L168 Benchmark]: Boogie Preprocessor took 19.97 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-08 16:28:24,175 INFO L168 Benchmark]: RCFGBuilder took 280.79 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: 42.7 MB). Peak memory consumption was 42.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:28:24,175 INFO L168 Benchmark]: TraceAbstraction took 1328.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 802.6 MB in the end (delta: 272.4 MB). Peak memory consumption was 272.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:28:24,176 INFO L168 Benchmark]: Witness Printer took 52.31 ms. Allocated memory is still 1.2 GB. Free memory was 802.6 MB in the beginning and 796.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. [2018-12-08 16:28:24,177 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 265.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -167.6 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.97 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 280.79 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: 42.7 MB). Peak memory consumption was 42.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1328.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 802.6 MB in the end (delta: 272.4 MB). Peak memory consumption was 272.4 MB. Max. memory is 11.5 GB. * Witness Printer took 52.31 ms. Allocated memory is still 1.2 GB. Free memory was 802.6 MB in the beginning and 796.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 275]: 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: 55]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 107 locations, 1 error locations. SAFE Result, 1.2s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 511 SDtfs, 292 SDslu, 968 SDs, 0 SdLazy, 243 SolverSat, 50 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=299occurred 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, 30 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 308 PreInvPairs, 351 NumberOfFragments, 406 HoareAnnotationTreeSize, 308 FomulaSimplifications, 343 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 46 FomulaSimplificationsInter, 1233 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 24632 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...