./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product18_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8bb0a11d-1332-491e-aede-07c02149175b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8bb0a11d-1332-491e-aede-07c02149175b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8bb0a11d-1332-491e-aede-07c02149175b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8bb0a11d-1332-491e-aede-07c02149175b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product18_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8bb0a11d-1332-491e-aede-07c02149175b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8bb0a11d-1332-491e-aede-07c02149175b/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 d9de6d80b6c7c2293239cef108d51b68cac5001a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:53:16,557 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:53:16,558 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:53:16,566 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:53:16,566 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:53:16,566 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:53:16,567 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:53:16,568 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:53:16,569 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:53:16,570 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:53:16,570 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:53:16,571 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:53:16,571 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:53:16,572 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:53:16,573 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:53:16,573 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:53:16,574 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:53:16,575 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:53:16,576 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:53:16,577 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:53:16,578 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:53:16,579 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:53:16,580 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:53:16,581 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:53:16,581 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:53:16,582 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:53:16,582 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:53:16,583 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:53:16,583 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:53:16,584 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:53:16,584 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:53:16,584 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:53:16,585 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:53:16,585 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:53:16,585 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:53:16,587 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:53:16,587 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8bb0a11d-1332-491e-aede-07c02149175b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 15:53:16,596 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:53:16,596 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:53:16,597 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:53:16,597 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:53:16,597 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:53:16,597 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:53:16,597 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:53:16,597 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 15:53:16,598 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:53:16,598 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:53:16,598 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 15:53:16,598 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 15:53:16,598 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:53:16,599 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:53:16,599 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:53:16,599 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:53:16,599 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:53:16,599 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:53:16,599 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:53:16,599 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:53:16,600 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:53:16,600 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:53:16,600 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:53:16,600 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:53:16,600 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:53:16,600 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:53:16,600 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:53:16,600 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:53:16,601 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:53:16,601 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:53:16,601 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:53:16,601 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:53:16,601 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:53:16,601 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 15:53:16,601 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:53:16,601 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:53:16,602 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 15:53:16,602 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_8bb0a11d-1332-491e-aede-07c02149175b/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 -> d9de6d80b6c7c2293239cef108d51b68cac5001a [2018-11-18 15:53:16,624 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:53:16,633 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:53:16,635 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:53:16,636 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:53:16,636 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:53:16,637 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8bb0a11d-1332-491e-aede-07c02149175b/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product18_true-unreach-call_false-termination.cil.c [2018-11-18 15:53:16,673 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8bb0a11d-1332-491e-aede-07c02149175b/bin-2019/utaipan/data/b8554ffa3/0aa38db38ce14fddb89b31bbaa0b528a/FLAG8d767dd4d [2018-11-18 15:53:17,017 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:53:17,017 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8bb0a11d-1332-491e-aede-07c02149175b/sv-benchmarks/c/product-lines/minepump_spec5_product18_true-unreach-call_false-termination.cil.c [2018-11-18 15:53:17,026 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8bb0a11d-1332-491e-aede-07c02149175b/bin-2019/utaipan/data/b8554ffa3/0aa38db38ce14fddb89b31bbaa0b528a/FLAG8d767dd4d [2018-11-18 15:53:17,038 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8bb0a11d-1332-491e-aede-07c02149175b/bin-2019/utaipan/data/b8554ffa3/0aa38db38ce14fddb89b31bbaa0b528a [2018-11-18 15:53:17,040 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:53:17,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:53:17,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:53:17,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:53:17,046 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:53:17,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:53:17" (1/1) ... [2018-11-18 15:53:17,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:17, skipping insertion in model container [2018-11-18 15:53:17,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:53:17" (1/1) ... [2018-11-18 15:53:17,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:53:17,091 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:53:17,305 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:53:17,313 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:53:17,440 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:53:17,461 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:53:17,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:17 WrapperNode [2018-11-18 15:53:17,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:53:17,462 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:53:17,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:53:17,463 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:53:17,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:17" (1/1) ... [2018-11-18 15:53:17,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:17" (1/1) ... [2018-11-18 15:53:17,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:53:17,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:53:17,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:53:17,491 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:53:17,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:17" (1/1) ... [2018-11-18 15:53:17,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:17" (1/1) ... [2018-11-18 15:53:17,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:17" (1/1) ... [2018-11-18 15:53:17,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:17" (1/1) ... [2018-11-18 15:53:17,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:17" (1/1) ... [2018-11-18 15:53:17,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:17" (1/1) ... [2018-11-18 15:53:17,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:17" (1/1) ... [2018-11-18 15:53:17,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:53:17,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:53:17,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:53:17,517 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:53:17,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8bb0a11d-1332-491e-aede-07c02149175b/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:53:17,554 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 15:53:17,554 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 15:53:17,554 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:53:17,555 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:53:17,555 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 15:53:17,555 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 15:53:17,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:53:17,555 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 15:53:17,555 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 15:53:17,555 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 15:53:17,555 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 15:53:17,556 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 15:53:17,556 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 15:53:17,556 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 15:53:17,556 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 15:53:17,556 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 15:53:17,556 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 15:53:17,556 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 15:53:17,556 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 15:53:17,556 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 15:53:17,557 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 15:53:17,557 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 15:53:17,557 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 15:53:17,557 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 15:53:17,557 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 15:53:17,557 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 15:53:17,557 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 15:53:17,557 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 15:53:17,557 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 15:53:17,557 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 15:53:17,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 15:53:17,558 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 15:53:17,558 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 15:53:17,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 15:53:17,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 15:53:17,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 15:53:17,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 15:53:17,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 15:53:17,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 15:53:17,558 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 15:53:17,558 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 15:53:17,559 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 15:53:17,559 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 15:53:17,559 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 15:53:17,559 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 15:53:17,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:53:17,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:53:17,559 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 15:53:17,559 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 15:53:17,559 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 15:53:17,559 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 15:53:17,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:53:17,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:53:17,927 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:53:17,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:53:17 BoogieIcfgContainer [2018-11-18 15:53:17,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:53:17,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:53:17,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:53:17,931 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:53:17,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:53:17" (1/3) ... [2018-11-18 15:53:17,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@599daaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:53:17, skipping insertion in model container [2018-11-18 15:53:17,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:17" (2/3) ... [2018-11-18 15:53:17,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@599daaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:53:17, skipping insertion in model container [2018-11-18 15:53:17,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:53:17" (3/3) ... [2018-11-18 15:53:17,934 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product18_true-unreach-call_false-termination.cil.c [2018-11-18 15:53:17,941 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:53:17,948 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:53:17,961 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:53:17,983 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:53:17,984 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:53:17,984 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:53:17,984 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:53:17,984 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:53:17,984 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:53:17,984 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:53:17,984 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:53:17,996 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2018-11-18 15:53:18,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 15:53:18,001 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:53:18,001 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:53:18,003 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:53:18,007 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:53:18,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1800319330, now seen corresponding path program 1 times [2018-11-18 15:53:18,009 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:53:18,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:53:18,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:53:18,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:53:18,042 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:53:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:53:18,212 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 15:53:18,214 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:53:18,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:53:18,214 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:53:18,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:53:18,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:53:18,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:53:18,230 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2018-11-18 15:53:18,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:53:18,261 INFO L93 Difference]: Finished difference Result 236 states and 291 transitions. [2018-11-18 15:53:18,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:53:18,263 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 15:53:18,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:53:18,273 INFO L225 Difference]: With dead ends: 236 [2018-11-18 15:53:18,273 INFO L226 Difference]: Without dead ends: 120 [2018-11-18 15:53:18,277 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:53:18,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-11-18 15:53:18,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-11-18 15:53:18,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-11-18 15:53:18,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2018-11-18 15:53:18,318 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 59 [2018-11-18 15:53:18,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:53:18,319 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2018-11-18 15:53:18,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:53:18,319 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2018-11-18 15:53:18,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 15:53:18,321 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:53:18,322 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:53:18,322 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:53:18,322 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:53:18,322 INFO L82 PathProgramCache]: Analyzing trace with hash -181979625, now seen corresponding path program 1 times [2018-11-18 15:53:18,323 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:53:18,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:53:18,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:53:18,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:53:18,324 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:53:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:53:18,420 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 15:53:18,420 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:53:18,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:53:18,421 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:53:18,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:53:18,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:53:18,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:53:18,423 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand 3 states. [2018-11-18 15:53:18,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:53:18,439 INFO L93 Difference]: Finished difference Result 179 states and 207 transitions. [2018-11-18 15:53:18,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:53:18,440 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 15:53:18,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:53:18,442 INFO L225 Difference]: With dead ends: 179 [2018-11-18 15:53:18,442 INFO L226 Difference]: Without dead ends: 110 [2018-11-18 15:53:18,443 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:53:18,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-11-18 15:53:18,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-11-18 15:53:18,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-11-18 15:53:18,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 126 transitions. [2018-11-18 15:53:18,455 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 126 transitions. Word has length 61 [2018-11-18 15:53:18,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:53:18,455 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 126 transitions. [2018-11-18 15:53:18,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:53:18,455 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 126 transitions. [2018-11-18 15:53:18,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 15:53:18,457 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:53:18,457 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:53:18,457 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:53:18,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:53:18,457 INFO L82 PathProgramCache]: Analyzing trace with hash 309074998, now seen corresponding path program 1 times [2018-11-18 15:53:18,457 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:53:18,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:53:18,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:53:18,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:53:18,458 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:53:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:53:18,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 15:53:18,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:53:18,584 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:53:18,584 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:53:18,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:53:18,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:53:18,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:53:18,585 INFO L87 Difference]: Start difference. First operand 110 states and 126 transitions. Second operand 7 states. [2018-11-18 15:53:18,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:53:18,853 INFO L93 Difference]: Finished difference Result 192 states and 225 transitions. [2018-11-18 15:53:18,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:53:18,854 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-18 15:53:18,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:53:18,856 INFO L225 Difference]: With dead ends: 192 [2018-11-18 15:53:18,856 INFO L226 Difference]: Without dead ends: 110 [2018-11-18 15:53:18,856 INFO L604 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 [2018-11-18 15:53:18,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-11-18 15:53:18,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-11-18 15:53:18,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-11-18 15:53:18,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 125 transitions. [2018-11-18 15:53:18,867 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 125 transitions. Word has length 66 [2018-11-18 15:53:18,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:53:18,868 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 125 transitions. [2018-11-18 15:53:18,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:53:18,869 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 125 transitions. [2018-11-18 15:53:18,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 15:53:18,871 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:53:18,871 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:53:18,871 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:53:18,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:53:18,872 INFO L82 PathProgramCache]: Analyzing trace with hash -2029139779, now seen corresponding path program 1 times [2018-11-18 15:53:18,872 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:53:18,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:53:18,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:53:18,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:53:18,874 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:53:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:53:18,978 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 15:53:18,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:53:18,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:53:18,979 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:53:18,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:53:18,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:53:18,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:53:18,980 INFO L87 Difference]: Start difference. First operand 110 states and 125 transitions. Second operand 7 states. [2018-11-18 15:53:19,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:53:19,390 INFO L93 Difference]: Finished difference Result 168 states and 197 transitions. [2018-11-18 15:53:19,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:53:19,391 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2018-11-18 15:53:19,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:53:19,392 INFO L225 Difference]: With dead ends: 168 [2018-11-18 15:53:19,392 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:53:19,393 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-18 15:53:19,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:53:19,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:53:19,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:53:19,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:53:19,396 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2018-11-18 15:53:19,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:53:19,396 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:53:19,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:53:19,396 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:53:19,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:53:19,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:53:19,747 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 315 321) the Hoare annotation is: true [2018-11-18 15:53:19,748 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 315 321) no Hoare annotation was computed. [2018-11-18 15:53:19,748 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 322 330) no Hoare annotation was computed. [2018-11-18 15:53:19,748 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 322 330) the Hoare annotation is: true [2018-11-18 15:53:19,748 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 322 330) no Hoare annotation was computed. [2018-11-18 15:53:19,748 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 432 439) the Hoare annotation is: true [2018-11-18 15:53:19,748 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 432 439) no Hoare annotation was computed. [2018-11-18 15:53:19,748 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 432 439) no Hoare annotation was computed. [2018-11-18 15:53:19,748 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 440 449) the Hoare annotation is: true [2018-11-18 15:53:19,749 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 15:53:19,749 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 440 449) no Hoare annotation was computed. [2018-11-18 15:53:19,749 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 440 449) no Hoare annotation was computed. [2018-11-18 15:53:19,749 INFO L421 ceAbstractionStarter]: At program point L465(line 465) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-18 15:53:19,749 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 450 478) the Hoare annotation is: true [2018-11-18 15:53:19,749 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 469) no Hoare annotation was computed. [2018-11-18 15:53:19,749 INFO L425 ceAbstractionStarter]: For program point L462(lines 462 472) no Hoare annotation was computed. [2018-11-18 15:53:19,749 INFO L428 ceAbstractionStarter]: At program point L460(line 460) the Hoare annotation is: true [2018-11-18 15:53:19,750 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 450 478) no Hoare annotation was computed. [2018-11-18 15:53:19,750 INFO L425 ceAbstractionStarter]: For program point L460-1(line 460) no Hoare annotation was computed. [2018-11-18 15:53:19,750 INFO L425 ceAbstractionStarter]: For program point L458(lines 458 475) no Hoare annotation was computed. [2018-11-18 15:53:19,750 INFO L425 ceAbstractionStarter]: For program point L458-1(lines 450 478) no Hoare annotation was computed. [2018-11-18 15:53:19,752 INFO L428 ceAbstractionStarter]: At program point L456(line 456) the Hoare annotation is: true [2018-11-18 15:53:19,753 INFO L425 ceAbstractionStarter]: For program point L456-1(line 456) no Hoare annotation was computed. [2018-11-18 15:53:19,753 INFO L421 ceAbstractionStarter]: At program point L418-1(line 418) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1))) [2018-11-18 15:53:19,753 INFO L425 ceAbstractionStarter]: For program point L416(lines 416 423) no Hoare annotation was computed. [2018-11-18 15:53:19,753 INFO L425 ceAbstractionStarter]: For program point L416-1(lines 416 423) no Hoare annotation was computed. [2018-11-18 15:53:19,753 INFO L425 ceAbstractionStarter]: For program point L414(line 414) no Hoare annotation was computed. [2018-11-18 15:53:19,753 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 406 428) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 15:53:19,754 INFO L421 ceAbstractionStarter]: At program point L413(line 413) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 15:53:19,758 INFO L421 ceAbstractionStarter]: At program point L412(line 412) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 15:53:19,758 INFO L421 ceAbstractionStarter]: At program point L412-1(line 412) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 15:53:19,758 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 406 428) no Hoare annotation was computed. [2018-11-18 15:53:19,758 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 406 428) no Hoare annotation was computed. [2018-11-18 15:53:19,758 INFO L421 ceAbstractionStarter]: At program point L418(line 418) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1))) [2018-11-18 15:53:19,758 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 212 220) no Hoare annotation was computed. [2018-11-18 15:53:19,759 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 212 220) the Hoare annotation is: true [2018-11-18 15:53:19,759 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 212 220) no Hoare annotation was computed. [2018-11-18 15:53:19,759 INFO L425 ceAbstractionStarter]: For program point L266(lines 266 270) no Hoare annotation was computed. [2018-11-18 15:53:19,759 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 257 275) the Hoare annotation is: true [2018-11-18 15:53:19,759 INFO L428 ceAbstractionStarter]: At program point L264(line 264) the Hoare annotation is: true [2018-11-18 15:53:19,759 INFO L425 ceAbstractionStarter]: For program point L266-2(lines 266 270) no Hoare annotation was computed. [2018-11-18 15:53:19,759 INFO L425 ceAbstractionStarter]: For program point L264-1(line 264) no Hoare annotation was computed. [2018-11-18 15:53:19,759 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 257 275) no Hoare annotation was computed. [2018-11-18 15:53:19,759 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 257 275) no Hoare annotation was computed. [2018-11-18 15:53:19,759 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 308 314) no Hoare annotation was computed. [2018-11-18 15:53:19,760 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 308 314) the Hoare annotation is: true [2018-11-18 15:53:19,760 INFO L421 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 15:53:19,760 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 395 405) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 15:53:19,763 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 395 405) no Hoare annotation was computed. [2018-11-18 15:53:19,764 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 395 405) no Hoare annotation was computed. [2018-11-18 15:53:19,764 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 193 200) the Hoare annotation is: true [2018-11-18 15:53:19,764 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 193 200) no Hoare annotation was computed. [2018-11-18 15:53:19,764 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 193 200) no Hoare annotation was computed. [2018-11-18 15:53:19,764 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 160 184) no Hoare annotation was computed. [2018-11-18 15:53:19,764 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 160 184) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 15:53:19,764 INFO L421 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 15:53:19,765 INFO L425 ceAbstractionStarter]: For program point L179-1(lines 160 184) no Hoare annotation was computed. [2018-11-18 15:53:19,765 INFO L421 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 15:53:19,765 INFO L421 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 15:53:19,765 INFO L425 ceAbstractionStarter]: For program point L168(lines 168 176) no Hoare annotation was computed. [2018-11-18 15:53:19,765 INFO L421 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 15:53:19,765 INFO L425 ceAbstractionStarter]: For program point L166-1(line 166) no Hoare annotation was computed. [2018-11-18 15:53:19,765 INFO L425 ceAbstractionStarter]: For program point L164(lines 164 181) no Hoare annotation was computed. [2018-11-18 15:53:19,765 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 152 158) no Hoare annotation was computed. [2018-11-18 15:53:19,766 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 152 158) the Hoare annotation is: true [2018-11-18 15:53:19,766 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 15:53:19,766 INFO L425 ceAbstractionStarter]: For program point L93(lines 93 97) no Hoare annotation was computed. [2018-11-18 15:53:19,766 INFO L421 ceAbstractionStarter]: At program point L93-2(lines 85 98) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 15:53:19,766 INFO L425 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2018-11-18 15:53:19,766 INFO L421 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 15:53:19,766 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2018-11-18 15:53:19,767 INFO L425 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2018-11-18 15:53:19,767 INFO L421 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 15:53:19,767 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-18 15:53:19,767 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2018-11-18 15:53:19,767 INFO L421 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 15:53:19,767 INFO L421 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 15:53:19,767 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-11-18 15:53:19,768 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2018-11-18 15:53:19,768 INFO L425 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2018-11-18 15:53:19,768 INFO L425 ceAbstractionStarter]: For program point L55-1(lines 55 102) no Hoare annotation was computed. [2018-11-18 15:53:19,768 INFO L421 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 15:53:19,768 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2018-11-18 15:53:19,768 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 925 933) no Hoare annotation was computed. [2018-11-18 15:53:19,768 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 925 933) the Hoare annotation is: true [2018-11-18 15:53:19,768 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 925 933) no Hoare annotation was computed. [2018-11-18 15:53:19,768 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:53:19,769 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-18 15:53:19,769 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:53:19,769 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 916 924) the Hoare annotation is: true [2018-11-18 15:53:19,769 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 916 924) no Hoare annotation was computed. [2018-11-18 15:53:19,769 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 916 924) no Hoare annotation was computed. [2018-11-18 15:53:19,769 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 872 883) the Hoare annotation is: true [2018-11-18 15:53:19,769 INFO L425 ceAbstractionStarter]: For program point L876-1(lines 872 883) no Hoare annotation was computed. [2018-11-18 15:53:19,774 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 872 883) no Hoare annotation was computed. [2018-11-18 15:53:19,774 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 333 362) no Hoare annotation was computed. [2018-11-18 15:53:19,774 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 351) no Hoare annotation was computed. [2018-11-18 15:53:19,774 INFO L428 ceAbstractionStarter]: At program point L347-1(lines 347 351) the Hoare annotation is: true [2018-11-18 15:53:19,774 INFO L425 ceAbstractionStarter]: For program point L343-1(lines 343 357) no Hoare annotation was computed. [2018-11-18 15:53:19,774 INFO L428 ceAbstractionStarter]: At program point L343-3(lines 343 357) the Hoare annotation is: true [2018-11-18 15:53:19,774 INFO L428 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: true [2018-11-18 15:53:19,774 INFO L425 ceAbstractionStarter]: For program point L339-1(line 339) no Hoare annotation was computed. [2018-11-18 15:53:19,775 INFO L428 ceAbstractionStarter]: At program point L358(lines 333 362) the Hoare annotation is: true [2018-11-18 15:53:19,775 INFO L425 ceAbstractionStarter]: For program point L354(line 354) no Hoare annotation was computed. [2018-11-18 15:53:19,775 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 333 362) the Hoare annotation is: true [2018-11-18 15:53:19,775 INFO L425 ceAbstractionStarter]: For program point L344(line 344) no Hoare annotation was computed. [2018-11-18 15:53:19,775 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 125 151) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 15:53:19,775 INFO L421 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 15:53:19,775 INFO L421 ceAbstractionStarter]: At program point L139(lines 139 145) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 15:53:19,776 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 125 151) no Hoare annotation was computed. [2018-11-18 15:53:19,776 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 125 151) no Hoare annotation was computed. [2018-11-18 15:53:19,776 INFO L421 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 15:53:19,776 INFO L425 ceAbstractionStarter]: For program point L132(lines 128 150) no Hoare annotation was computed. [2018-11-18 15:53:19,776 INFO L425 ceAbstractionStarter]: For program point L130(lines 128 150) no Hoare annotation was computed. [2018-11-18 15:53:19,776 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 848 859) the Hoare annotation is: true [2018-11-18 15:53:19,776 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 848 859) no Hoare annotation was computed. [2018-11-18 15:53:19,776 INFO L425 ceAbstractionStarter]: For program point L852-1(lines 848 859) no Hoare annotation was computed. [2018-11-18 15:53:19,776 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 387 393) no Hoare annotation was computed. [2018-11-18 15:53:19,777 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 387 393) the Hoare annotation is: true [2018-11-18 15:53:19,777 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:53:19,777 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-18 15:53:19,777 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:53:19,777 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:53:19,777 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 276 283) no Hoare annotation was computed. [2018-11-18 15:53:19,777 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 276 283) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))) [2018-11-18 15:53:19,779 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 276 283) no Hoare annotation was computed. [2018-11-18 15:53:19,779 INFO L425 ceAbstractionStarter]: For program point L864-1(lines 860 871) no Hoare annotation was computed. [2018-11-18 15:53:19,780 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 860 871) no Hoare annotation was computed. [2018-11-18 15:53:19,780 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 860 871) the Hoare annotation is: true [2018-11-18 15:53:19,780 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 285 292) no Hoare annotation was computed. [2018-11-18 15:53:19,780 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 289) no Hoare annotation was computed. [2018-11-18 15:53:19,780 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 285 292) the Hoare annotation is: true [2018-11-18 15:53:19,780 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 285 292) no Hoare annotation was computed. [2018-11-18 15:53:19,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:53:19 BoogieIcfgContainer [2018-11-18 15:53:19,790 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:53:19,790 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:53:19,790 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:53:19,790 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:53:19,791 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:53:17" (3/4) ... [2018-11-18 15:53:19,794 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:53:19,799 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 15:53:19,800 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 15:53:19,800 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 15:53:19,800 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 15:53:19,800 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 15:53:19,800 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:53:19,800 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 15:53:19,800 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 15:53:19,800 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 15:53:19,800 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 15:53:19,800 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 15:53:19,801 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 15:53:19,801 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 15:53:19,801 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 15:53:19,801 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 15:53:19,801 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:53:19,801 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 15:53:19,801 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 15:53:19,801 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 15:53:19,801 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 15:53:19,801 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 15:53:19,802 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 15:53:19,802 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 15:53:19,802 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 15:53:19,802 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 15:53:19,809 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-11-18 15:53:19,809 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 15:53:19,810 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 15:53:19,845 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || ((0 == pumpRunning && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1) [2018-11-18 15:53:19,845 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-11-18 15:53:19,882 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8bb0a11d-1332-491e-aede-07c02149175b/bin-2019/utaipan/witness.graphml [2018-11-18 15:53:19,882 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:53:19,883 INFO L168 Benchmark]: Toolchain (without parser) took 2842.43 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 242.7 MB). Free memory was 957.5 MB in the beginning and 1.2 GB in the end (delta: -272.8 MB). Peak memory consumption was 305.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:53:19,884 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:53:19,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 957.5 MB in the beginning and 1.2 GB in the end (delta: -195.4 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:53:19,884 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:53:19,885 INFO L168 Benchmark]: Boogie Preprocessor took 26.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:53:19,885 INFO L168 Benchmark]: RCFGBuilder took 410.57 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: 56.2 MB). Peak memory consumption was 56.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:53:19,885 INFO L168 Benchmark]: TraceAbstraction took 1861.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 832.7 MB in the end (delta: 260.5 MB). Peak memory consumption was 260.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:53:19,885 INFO L168 Benchmark]: Witness Printer took 92.19 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 76.5 MB). Free memory was 832.7 MB in the beginning and 1.2 GB in the end (delta: -397.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:53:19,887 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 420.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 957.5 MB in the beginning and 1.2 GB in the end (delta: -195.4 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 410.57 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: 56.2 MB). Peak memory consumption was 56.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1861.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 832.7 MB in the end (delta: 260.5 MB). Peak memory consumption was 260.5 MB. Max. memory is 11.5 GB. * Witness Printer took 92.19 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 76.5 MB). Free memory was 832.7 MB in the beginning and 1.2 GB in the end (delta: -397.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 289]: 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: 333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || ((0 == pumpRunning && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 133 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 469 SDtfs, 211 SDslu, 489 SDs, 0 SdLazy, 296 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 175 PreInvPairs, 183 NumberOfFragments, 407 HoareAnnotationTreeSize, 175 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 54 FomulaSimplificationsInter, 336 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 256 ConstructedInterpolants, 0 QuantifiedInterpolants, 28437 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...