./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product30_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_8ab028ba-f11b-47a4-ab83-fe1d5e0abb4a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8ab028ba-f11b-47a4-ab83-fe1d5e0abb4a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8ab028ba-f11b-47a4-ab83-fe1d5e0abb4a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8ab028ba-f11b-47a4-ab83-fe1d5e0abb4a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product30_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8ab028ba-f11b-47a4-ab83-fe1d5e0abb4a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8ab028ba-f11b-47a4-ab83-fe1d5e0abb4a/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 06e9efb7ee4abc37e21a919ff8d0a93ec8f3ff5c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 14:15:19,554 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:15:19,554 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:15:19,560 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:15:19,561 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:15:19,561 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:15:19,562 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:15:19,563 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:15:19,564 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:15:19,565 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:15:19,566 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:15:19,566 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:15:19,566 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:15:19,567 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:15:19,568 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:15:19,568 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:15:19,568 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:15:19,569 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:15:19,571 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:15:19,572 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:15:19,572 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:15:19,573 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:15:19,575 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:15:19,575 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:15:19,575 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:15:19,576 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:15:19,576 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:15:19,577 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:15:19,578 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:15:19,578 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:15:19,578 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:15:19,579 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:15:19,579 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:15:19,579 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:15:19,580 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:15:19,580 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:15:19,581 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8ab028ba-f11b-47a4-ab83-fe1d5e0abb4a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 14:15:19,591 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:15:19,591 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:15:19,591 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:15:19,592 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 14:15:19,592 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 14:15:19,592 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 14:15:19,592 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 14:15:19,592 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 14:15:19,592 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 14:15:19,592 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 14:15:19,592 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 14:15:19,593 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 14:15:19,593 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 14:15:19,593 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:15:19,593 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:15:19,593 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:15:19,594 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:15:19,594 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:15:19,594 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:15:19,594 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:15:19,594 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:15:19,594 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:15:19,594 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:15:19,594 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:15:19,595 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:15:19,595 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:15:19,595 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:15:19,595 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:15:19,595 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:15:19,595 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:15:19,595 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:15:19,595 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:15:19,596 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:15:19,596 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 14:15:19,596 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:15:19,596 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:15:19,596 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 14:15:19,596 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_8ab028ba-f11b-47a4-ab83-fe1d5e0abb4a/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 -> 06e9efb7ee4abc37e21a919ff8d0a93ec8f3ff5c [2018-11-18 14:15:19,621 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:15:19,630 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:15:19,633 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:15:19,634 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:15:19,634 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:15:19,635 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8ab028ba-f11b-47a4-ab83-fe1d5e0abb4a/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product30_true-unreach-call_false-termination.cil.c [2018-11-18 14:15:19,676 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8ab028ba-f11b-47a4-ab83-fe1d5e0abb4a/bin-2019/utaipan/data/03f97465f/df0e1398fb3544c0b7b96534c956138f/FLAG0ef247da3 [2018-11-18 14:15:20,094 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:15:20,095 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8ab028ba-f11b-47a4-ab83-fe1d5e0abb4a/sv-benchmarks/c/product-lines/minepump_spec2_product30_true-unreach-call_false-termination.cil.c [2018-11-18 14:15:20,101 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8ab028ba-f11b-47a4-ab83-fe1d5e0abb4a/bin-2019/utaipan/data/03f97465f/df0e1398fb3544c0b7b96534c956138f/FLAG0ef247da3 [2018-11-18 14:15:20,109 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8ab028ba-f11b-47a4-ab83-fe1d5e0abb4a/bin-2019/utaipan/data/03f97465f/df0e1398fb3544c0b7b96534c956138f [2018-11-18 14:15:20,111 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:15:20,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:15:20,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:15:20,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:15:20,116 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:15:20,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:15:20" (1/1) ... [2018-11-18 14:15:20,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f746e5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:20, skipping insertion in model container [2018-11-18 14:15:20,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:15:20" (1/1) ... [2018-11-18 14:15:20,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:15:20,159 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:15:20,378 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:15:20,386 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:15:20,478 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:15:20,494 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:15:20,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:20 WrapperNode [2018-11-18 14:15:20,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:15:20,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:15:20,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:15:20,495 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:15:20,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:20" (1/1) ... [2018-11-18 14:15:20,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:20" (1/1) ... [2018-11-18 14:15:20,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:15:20,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:15:20,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:15:20,514 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:15:20,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:20" (1/1) ... [2018-11-18 14:15:20,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:20" (1/1) ... [2018-11-18 14:15:20,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:20" (1/1) ... [2018-11-18 14:15:20,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:20" (1/1) ... [2018-11-18 14:15:20,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:20" (1/1) ... [2018-11-18 14:15:20,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:20" (1/1) ... [2018-11-18 14:15:20,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:20" (1/1) ... [2018-11-18 14:15:20,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:15:20,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:15:20,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:15:20,536 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:15:20,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8ab028ba-f11b-47a4-ab83-fe1d5e0abb4a/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 14:15:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 14:15:20,572 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 14:15:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:15:20,572 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:15:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 14:15:20,572 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 14:15:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:15:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 14:15:20,572 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 14:15:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 14:15:20,573 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 14:15:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 14:15:20,573 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 14:15:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 14:15:20,573 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 14:15:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 14:15:20,573 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 14:15:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 14:15:20,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 14:15:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 14:15:20,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 14:15:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 14:15:20,574 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 14:15:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 14:15:20,574 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 14:15:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 14:15:20,574 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 14:15:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 14:15:20,575 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 14:15:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 14:15:20,575 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 14:15:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 14:15:20,575 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 14:15:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 14:15:20,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 14:15:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 14:15:20,575 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 14:15:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 14:15:20,576 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 14:15:20,576 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 14:15:20,576 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 14:15:20,576 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 14:15:20,576 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 14:15:20,576 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 14:15:20,576 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 14:15:20,576 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 14:15:20,576 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 14:15:20,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:15:20,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:15:20,577 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 14:15:20,577 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 14:15:20,577 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 14:15:20,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 14:15:20,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:15:20,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:15:20,977 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:15:20,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:15:20 BoogieIcfgContainer [2018-11-18 14:15:20,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:15:20,979 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:15:20,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:15:20,982 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:15:20,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:15:20" (1/3) ... [2018-11-18 14:15:20,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a60cedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:15:20, skipping insertion in model container [2018-11-18 14:15:20,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:20" (2/3) ... [2018-11-18 14:15:20,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a60cedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:15:20, skipping insertion in model container [2018-11-18 14:15:20,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:15:20" (3/3) ... [2018-11-18 14:15:20,984 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product30_true-unreach-call_false-termination.cil.c [2018-11-18 14:15:20,993 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:15:20,999 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:15:21,011 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:15:21,035 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:15:21,035 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:15:21,035 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:15:21,036 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:15:21,036 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:15:21,036 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:15:21,036 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:15:21,036 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:15:21,050 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-11-18 14:15:21,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 14:15:21,057 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:15:21,057 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:15:21,059 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:15:21,063 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:15:21,064 INFO L82 PathProgramCache]: Analyzing trace with hash 1787815950, now seen corresponding path program 1 times [2018-11-18 14:15:21,065 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:15:21,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:15:21,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:15:21,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:15:21,093 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:15:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:15:21,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:15:21,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:15:21,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 14:15:21,260 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:15:21,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 14:15:21,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 14:15:21,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 14:15:21,272 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2018-11-18 14:15:21,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:15:21,300 INFO L93 Difference]: Finished difference Result 256 states and 319 transitions. [2018-11-18 14:15:21,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 14:15:21,302 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 14:15:21,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:15:21,310 INFO L225 Difference]: With dead ends: 256 [2018-11-18 14:15:21,310 INFO L226 Difference]: Without dead ends: 130 [2018-11-18 14:15:21,313 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 14:15:21,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-18 14:15:21,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-18 14:15:21,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-18 14:15:21,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 153 transitions. [2018-11-18 14:15:21,349 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 153 transitions. Word has length 51 [2018-11-18 14:15:21,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:15:21,349 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 153 transitions. [2018-11-18 14:15:21,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 14:15:21,350 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 153 transitions. [2018-11-18 14:15:21,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 14:15:21,352 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:15:21,353 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:15:21,353 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:15:21,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:15:21,353 INFO L82 PathProgramCache]: Analyzing trace with hash -715975193, now seen corresponding path program 1 times [2018-11-18 14:15:21,354 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:15:21,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:15:21,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:15:21,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:15:21,355 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:15:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:15:21,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:15:21,437 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:15:21,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:15:21,437 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:15:21,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:15:21,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:15:21,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:15:21,439 INFO L87 Difference]: Start difference. First operand 130 states and 153 transitions. Second operand 3 states. [2018-11-18 14:15:21,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:15:21,456 INFO L93 Difference]: Finished difference Result 199 states and 235 transitions. [2018-11-18 14:15:21,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:15:21,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 14:15:21,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:15:21,458 INFO L225 Difference]: With dead ends: 199 [2018-11-18 14:15:21,458 INFO L226 Difference]: Without dead ends: 120 [2018-11-18 14:15:21,459 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 14:15:21,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-11-18 14:15:21,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-11-18 14:15:21,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-11-18 14:15:21,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2018-11-18 14:15:21,469 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 53 [2018-11-18 14:15:21,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:15:21,470 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2018-11-18 14:15:21,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:15:21,470 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2018-11-18 14:15:21,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 14:15:21,471 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:15:21,471 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:15:21,472 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:15:21,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:15:21,472 INFO L82 PathProgramCache]: Analyzing trace with hash 99884270, now seen corresponding path program 1 times [2018-11-18 14:15:21,472 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:15:21,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:15:21,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:15:21,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:15:21,473 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:15:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:15:21,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:15:21,579 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:15:21,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 14:15:21,579 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:15:21,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:15:21,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:15:21,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:15:21,580 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 7 states. [2018-11-18 14:15:21,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:15:21,827 INFO L93 Difference]: Finished difference Result 212 states and 253 transitions. [2018-11-18 14:15:21,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:15:21,828 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-18 14:15:21,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:15:21,829 INFO L225 Difference]: With dead ends: 212 [2018-11-18 14:15:21,829 INFO L226 Difference]: Without dead ends: 120 [2018-11-18 14:15:21,830 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 14:15:21,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-11-18 14:15:21,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-11-18 14:15:21,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-11-18 14:15:21,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2018-11-18 14:15:21,840 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 58 [2018-11-18 14:15:21,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:15:21,840 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2018-11-18 14:15:21,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:15:21,840 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2018-11-18 14:15:21,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 14:15:21,842 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:15:21,842 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:15:21,842 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:15:21,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:15:21,843 INFO L82 PathProgramCache]: Analyzing trace with hash -2064959749, now seen corresponding path program 1 times [2018-11-18 14:15:21,843 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:15:21,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:15:21,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:15:21,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:15:21,844 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:15:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:15:21,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:15:21,929 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:15:21,930 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:15:21,930 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:15:21,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:15:21,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:15:21,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:15:21,931 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand 6 states. [2018-11-18 14:15:22,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:15:22,072 INFO L93 Difference]: Finished difference Result 296 states and 356 transitions. [2018-11-18 14:15:22,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 14:15:22,073 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2018-11-18 14:15:22,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:15:22,075 INFO L225 Difference]: With dead ends: 296 [2018-11-18 14:15:22,076 INFO L226 Difference]: Without dead ends: 204 [2018-11-18 14:15:22,076 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:15:22,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-11-18 14:15:22,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 202. [2018-11-18 14:15:22,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-11-18 14:15:22,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 238 transitions. [2018-11-18 14:15:22,098 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 238 transitions. Word has length 71 [2018-11-18 14:15:22,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:15:22,098 INFO L480 AbstractCegarLoop]: Abstraction has 202 states and 238 transitions. [2018-11-18 14:15:22,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:15:22,099 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 238 transitions. [2018-11-18 14:15:22,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 14:15:22,101 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:15:22,101 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:15:22,101 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:15:22,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:15:22,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1715343319, now seen corresponding path program 1 times [2018-11-18 14:15:22,102 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:15:22,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:15:22,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:15:22,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:15:22,103 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:15:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:15:22,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:15:22,187 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:15:22,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 14:15:22,187 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:15:22,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:15:22,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:15:22,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:15:22,189 INFO L87 Difference]: Start difference. First operand 202 states and 238 transitions. Second operand 7 states. [2018-11-18 14:15:22,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:15:22,427 INFO L93 Difference]: Finished difference Result 310 states and 373 transitions. [2018-11-18 14:15:22,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 14:15:22,428 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2018-11-18 14:15:22,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:15:22,428 INFO L225 Difference]: With dead ends: 310 [2018-11-18 14:15:22,429 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 14:15:22,430 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 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 14:15:22,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 14:15:22,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 14:15:22,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 14:15:22,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:15:22,432 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 75 [2018-11-18 14:15:22,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:15:22,432 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:15:22,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:15:22,433 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:15:22,433 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:15:22,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 14:15:22,980 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 427 433) the Hoare annotation is: true [2018-11-18 14:15:22,980 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 427 433) no Hoare annotation was computed. [2018-11-18 14:15:22,981 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 434 442) no Hoare annotation was computed. [2018-11-18 14:15:22,981 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 434 442) the Hoare annotation is: true [2018-11-18 14:15:22,981 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 434 442) no Hoare annotation was computed. [2018-11-18 14:15:22,981 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 523 545) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:15:22,981 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 523 545) no Hoare annotation was computed. [2018-11-18 14:15:22,981 INFO L421 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 14:15:22,981 INFO L421 ceAbstractionStarter]: At program point L535-1(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 14:15:22,981 INFO L425 ceAbstractionStarter]: For program point L533(lines 533 540) no Hoare annotation was computed. [2018-11-18 14:15:22,981 INFO L425 ceAbstractionStarter]: For program point L533-1(lines 533 540) no Hoare annotation was computed. [2018-11-18 14:15:22,981 INFO L425 ceAbstractionStarter]: For program point L531(line 531) no Hoare annotation was computed. [2018-11-18 14:15:22,982 INFO L421 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:15:22,982 INFO L421 ceAbstractionStarter]: At program point L529(line 529) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:15:22,982 INFO L421 ceAbstractionStarter]: At program point L529-1(line 529) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:15:22,982 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 523 545) no Hoare annotation was computed. [2018-11-18 14:15:22,982 INFO L421 ceAbstractionStarter]: At program point L767(line 767) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 14:15:22,982 INFO L425 ceAbstractionStarter]: For program point L767-1(lines 748 772) no Hoare annotation was computed. [2018-11-18 14:15:22,982 INFO L421 ceAbstractionStarter]: At program point L762(line 762) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 14:15:22,982 INFO L421 ceAbstractionStarter]: At program point L758(line 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 14:15:22,982 INFO L425 ceAbstractionStarter]: For program point L756(lines 756 764) no Hoare annotation was computed. [2018-11-18 14:15:22,983 INFO L421 ceAbstractionStarter]: At program point L754(line 754) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 14:15:22,983 INFO L425 ceAbstractionStarter]: For program point L754-1(line 754) no Hoare annotation was computed. [2018-11-18 14:15:22,983 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 748 772) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 14:15:22,983 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 769) no Hoare annotation was computed. [2018-11-18 14:15:22,983 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 748 772) no Hoare annotation was computed. [2018-11-18 14:15:22,983 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 843 851) no Hoare annotation was computed. [2018-11-18 14:15:22,983 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 843 851) the Hoare annotation is: true [2018-11-18 14:15:22,983 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 843 851) no Hoare annotation was computed. [2018-11-18 14:15:22,983 INFO L425 ceAbstractionStarter]: For program point L897(lines 897 901) no Hoare annotation was computed. [2018-11-18 14:15:22,983 INFO L428 ceAbstractionStarter]: At program point L895(line 895) the Hoare annotation is: true [2018-11-18 14:15:22,983 INFO L425 ceAbstractionStarter]: For program point L897-2(lines 897 901) no Hoare annotation was computed. [2018-11-18 14:15:22,983 INFO L425 ceAbstractionStarter]: For program point L895-1(line 895) no Hoare annotation was computed. [2018-11-18 14:15:22,984 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 888 906) the Hoare annotation is: true [2018-11-18 14:15:22,984 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 888 906) no Hoare annotation was computed. [2018-11-18 14:15:22,984 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 888 906) no Hoare annotation was computed. [2018-11-18 14:15:22,984 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 420 426) no Hoare annotation was computed. [2018-11-18 14:15:22,984 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 420 426) the Hoare annotation is: true [2018-11-18 14:15:22,984 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 512 522) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:15:22,984 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 512 522) no Hoare annotation was computed. [2018-11-18 14:15:22,984 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 512 522) no Hoare annotation was computed. [2018-11-18 14:15:22,984 INFO L421 ceAbstractionStarter]: At program point L517(line 517) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:15:22,984 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 832 842) the Hoare annotation is: true [2018-11-18 14:15:22,984 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 832 842) no Hoare annotation was computed. [2018-11-18 14:15:22,985 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 832 842) no Hoare annotation was computed. [2018-11-18 14:15:22,985 INFO L428 ceAbstractionStarter]: At program point L837(line 837) the Hoare annotation is: true [2018-11-18 14:15:22,985 INFO L425 ceAbstractionStarter]: For program point L837-1(line 837) no Hoare annotation was computed. [2018-11-18 14:15:22,985 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 824 831) the Hoare annotation is: true [2018-11-18 14:15:22,985 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 824 831) no Hoare annotation was computed. [2018-11-18 14:15:22,985 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 824 831) no Hoare annotation was computed. [2018-11-18 14:15:22,985 INFO L421 ceAbstractionStarter]: At program point L793(line 793) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 14:15:22,985 INFO L425 ceAbstractionStarter]: For program point L793-1(lines 774 798) no Hoare annotation was computed. [2018-11-18 14:15:22,985 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 774 798) no Hoare annotation was computed. [2018-11-18 14:15:22,985 INFO L421 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 14:15:22,985 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 774 798) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 14:15:22,985 INFO L421 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 14:15:22,986 INFO L425 ceAbstractionStarter]: For program point L782(lines 782 790) no Hoare annotation was computed. [2018-11-18 14:15:22,986 INFO L421 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 14:15:22,986 INFO L425 ceAbstractionStarter]: For program point L780-1(line 780) no Hoare annotation was computed. [2018-11-18 14:15:22,986 INFO L425 ceAbstractionStarter]: For program point L778(lines 778 795) no Hoare annotation was computed. [2018-11-18 14:15:22,986 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 740 746) no Hoare annotation was computed. [2018-11-18 14:15:22,986 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 740 746) the Hoare annotation is: true [2018-11-18 14:15:22,986 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 642 707) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:15:22,986 INFO L421 ceAbstractionStarter]: At program point L700(lines 651 701) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:15:22,986 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 642 707) no Hoare annotation was computed. [2018-11-18 14:15:22,986 INFO L425 ceAbstractionStarter]: For program point L690(lines 690 694) no Hoare annotation was computed. [2018-11-18 14:15:22,986 INFO L421 ceAbstractionStarter]: At program point L690-2(lines 682 695) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 14:15:22,987 INFO L425 ceAbstractionStarter]: For program point L653(lines 652 699) no Hoare annotation was computed. [2018-11-18 14:15:22,987 INFO L421 ceAbstractionStarter]: At program point L684(line 684) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 14:15:22,987 INFO L425 ceAbstractionStarter]: For program point L682(lines 682 695) no Hoare annotation was computed. [2018-11-18 14:15:22,987 INFO L421 ceAbstractionStarter]: At program point L674(line 674) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 14:15:22,987 INFO L425 ceAbstractionStarter]: For program point L672(lines 672 678) no Hoare annotation was computed. [2018-11-18 14:15:22,987 INFO L425 ceAbstractionStarter]: For program point L672-1(lines 672 678) no Hoare annotation was computed. [2018-11-18 14:15:22,987 INFO L421 ceAbstractionStarter]: At program point L697(lines 652 699) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 14:15:22,987 INFO L421 ceAbstractionStarter]: At program point L664(line 664) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 14:15:22,987 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 668) no Hoare annotation was computed. [2018-11-18 14:15:22,988 INFO L425 ceAbstractionStarter]: For program point L662-1(lines 662 668) no Hoare annotation was computed. [2018-11-18 14:15:22,988 INFO L425 ceAbstractionStarter]: For program point L654(lines 654 658) no Hoare annotation was computed. [2018-11-18 14:15:22,988 INFO L425 ceAbstractionStarter]: For program point L652-1(lines 652 699) no Hoare annotation was computed. [2018-11-18 14:15:22,988 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 642 707) no Hoare annotation was computed. [2018-11-18 14:15:22,988 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 631 639) no Hoare annotation was computed. [2018-11-18 14:15:22,988 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 631 639) the Hoare annotation is: true [2018-11-18 14:15:22,988 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 631 639) no Hoare annotation was computed. [2018-11-18 14:15:22,988 INFO L421 ceAbstractionStarter]: At program point L949(line 949) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-18 14:15:22,988 INFO L425 ceAbstractionStarter]: For program point L947(lines 947 953) no Hoare annotation was computed. [2018-11-18 14:15:22,988 INFO L425 ceAbstractionStarter]: For program point L946(lines 946 956) no Hoare annotation was computed. [2018-11-18 14:15:22,989 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 934 962) the Hoare annotation is: true [2018-11-18 14:15:22,989 INFO L421 ceAbstractionStarter]: At program point L944(line 944) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 14:15:22,989 INFO L425 ceAbstractionStarter]: For program point L944-1(line 944) no Hoare annotation was computed. [2018-11-18 14:15:22,989 INFO L425 ceAbstractionStarter]: For program point L942(lines 942 959) no Hoare annotation was computed. [2018-11-18 14:15:22,989 INFO L425 ceAbstractionStarter]: For program point L942-1(lines 934 962) no Hoare annotation was computed. [2018-11-18 14:15:22,989 INFO L428 ceAbstractionStarter]: At program point L940(line 940) the Hoare annotation is: true [2018-11-18 14:15:22,989 INFO L425 ceAbstractionStarter]: For program point L940-1(line 940) no Hoare annotation was computed. [2018-11-18 14:15:22,989 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 934 962) no Hoare annotation was computed. [2018-11-18 14:15:22,989 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 926 933) the Hoare annotation is: true [2018-11-18 14:15:22,989 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 926 933) no Hoare annotation was computed. [2018-11-18 14:15:22,989 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 926 933) no Hoare annotation was computed. [2018-11-18 14:15:22,990 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:15:22,990 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 14:15:22,990 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:15:22,990 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 578 589) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:15:22,990 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 578 589) no Hoare annotation was computed. [2018-11-18 14:15:22,990 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 578 589) no Hoare annotation was computed. [2018-11-18 14:15:22,990 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 590 598) the Hoare annotation is: true [2018-11-18 14:15:22,990 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 590 598) no Hoare annotation was computed. [2018-11-18 14:15:22,990 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 590 598) no Hoare annotation was computed. [2018-11-18 14:15:22,990 INFO L421 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 14:15:22,991 INFO L421 ceAbstractionStarter]: At program point L727(lines 727 733) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 14:15:22,991 INFO L421 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 14:15:22,991 INFO L425 ceAbstractionStarter]: For program point L720(lines 719 738) no Hoare annotation was computed. [2018-11-18 14:15:22,991 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 716 739) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 14:15:22,991 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 716 739) no Hoare annotation was computed. [2018-11-18 14:15:22,991 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 716 739) no Hoare annotation was computed. [2018-11-18 14:15:22,991 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2018-11-18 14:15:22,991 INFO L428 ceAbstractionStarter]: At program point L471(lines 446 475) the Hoare annotation is: true [2018-11-18 14:15:22,991 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-18 14:15:22,991 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 14:15:22,992 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2018-11-18 14:15:22,992 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 464) no Hoare annotation was computed. [2018-11-18 14:15:22,992 INFO L428 ceAbstractionStarter]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2018-11-18 14:15:22,992 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 456 470) no Hoare annotation was computed. [2018-11-18 14:15:22,992 INFO L428 ceAbstractionStarter]: At program point L456-3(lines 456 470) the Hoare annotation is: true [2018-11-18 14:15:22,992 INFO L428 ceAbstractionStarter]: At program point L452(line 452) the Hoare annotation is: true [2018-11-18 14:15:22,992 INFO L425 ceAbstractionStarter]: For program point L452-1(line 452) no Hoare annotation was computed. [2018-11-18 14:15:22,992 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 554 565) the Hoare annotation is: true [2018-11-18 14:15:22,992 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 554 565) no Hoare annotation was computed. [2018-11-18 14:15:22,993 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 554 565) no Hoare annotation was computed. [2018-11-18 14:15:22,993 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 503 509) no Hoare annotation was computed. [2018-11-18 14:15:22,993 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 503 509) the Hoare annotation is: true [2018-11-18 14:15:22,993 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:15:22,993 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-18 14:15:22,993 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:15:22,993 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:15:22,993 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 907 914) no Hoare annotation was computed. [2018-11-18 14:15:22,993 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 907 914) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))) [2018-11-18 14:15:22,993 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 907 914) no Hoare annotation was computed. [2018-11-18 14:15:22,994 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 566 577) no Hoare annotation was computed. [2018-11-18 14:15:22,994 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 566 577) no Hoare annotation was computed. [2018-11-18 14:15:22,994 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 566 577) the Hoare annotation is: true [2018-11-18 14:15:22,994 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 916 923) no Hoare annotation was computed. [2018-11-18 14:15:22,994 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 916 923) the Hoare annotation is: true [2018-11-18 14:15:22,994 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 920) no Hoare annotation was computed. [2018-11-18 14:15:22,994 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 916 923) no Hoare annotation was computed. [2018-11-18 14:15:23,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:15:23 BoogieIcfgContainer [2018-11-18 14:15:23,006 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:15:23,006 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:15:23,007 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:15:23,007 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:15:23,007 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:15:20" (3/4) ... [2018-11-18 14:15:23,010 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:15:23,015 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 14:15:23,015 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 14:15:23,015 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 14:15:23,015 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 14:15:23,015 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 14:15:23,016 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 14:15:23,016 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 14:15:23,016 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 14:15:23,016 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 14:15:23,016 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 14:15:23,016 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 14:15:23,016 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 14:15:23,016 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 14:15:23,016 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 14:15:23,016 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 14:15:23,016 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 14:15:23,016 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 14:15:23,017 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 14:15:23,017 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 14:15:23,017 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 14:15:23,017 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 14:15:23,017 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 14:15:23,017 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 14:15:23,017 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 14:15:23,017 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 14:15:23,018 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 14:15:23,024 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-11-18 14:15:23,024 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 14:15:23,025 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 14:15:23,044 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) [2018-11-18 14:15:23,044 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 14:15:23,076 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8ab028ba-f11b-47a4-ab83-fe1d5e0abb4a/bin-2019/utaipan/witness.graphml [2018-11-18 14:15:23,076 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:15:23,077 INFO L168 Benchmark]: Toolchain (without parser) took 2965.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 208.7 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -121.6 MB). Peak memory consumption was 87.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:15:23,078 INFO L168 Benchmark]: CDTParser took 0.17 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 14:15:23,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -165.5 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:15:23,078 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.31 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. [2018-11-18 14:15:23,078 INFO L168 Benchmark]: Boogie Preprocessor took 21.65 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 14:15:23,079 INFO L168 Benchmark]: RCFGBuilder took 442.27 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: 61.9 MB). Peak memory consumption was 61.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:15:23,079 INFO L168 Benchmark]: TraceAbstraction took 2027.23 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 74.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -31.8 MB). Peak memory consumption was 258.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:15:23,079 INFO L168 Benchmark]: Witness Printer took 69.99 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: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:15:23,080 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 381.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -165.5 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.31 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 21.65 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 442.27 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: 61.9 MB). Peak memory consumption was 61.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2027.23 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 74.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -31.8 MB). Peak memory consumption was 258.2 MB. Max. memory is 11.5 GB. * Witness Printer took 69.99 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: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 920]: 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: 652]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 143 locations, 1 error locations. SAFE Result, 1.9s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 664 SDtfs, 316 SDslu, 1048 SDs, 0 SdLazy, 376 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=202occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 327 PreInvPairs, 342 NumberOfFragments, 576 HoareAnnotationTreeSize, 327 FomulaSimplifications, 85 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 60 FomulaSimplificationsInter, 844 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 308 NumberOfCodeBlocks, 308 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 303 ConstructedInterpolants, 0 QuantifiedInterpolants, 35625 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...