./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product32_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_af55b75a-4fe6-4ac3-9537-58f86111968d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_af55b75a-4fe6-4ac3-9537-58f86111968d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_af55b75a-4fe6-4ac3-9537-58f86111968d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_af55b75a-4fe6-4ac3-9537-58f86111968d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product32_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_af55b75a-4fe6-4ac3-9537-58f86111968d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_af55b75a-4fe6-4ac3-9537-58f86111968d/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 b06e5398ffe5c8f069a10044eb2db1dcb4413f82 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:41:56,541 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:41:56,542 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:41:56,549 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:41:56,549 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:41:56,550 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:41:56,551 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:41:56,552 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:41:56,553 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:41:56,554 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:41:56,554 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:41:56,554 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:41:56,555 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:41:56,556 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:41:56,557 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:41:56,557 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:41:56,558 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:41:56,559 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:41:56,560 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:41:56,561 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:41:56,562 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:41:56,563 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:41:56,565 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:41:56,565 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:41:56,565 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:41:56,566 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:41:56,566 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:41:56,567 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:41:56,567 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:41:56,568 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:41:56,568 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:41:56,569 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:41:56,569 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:41:56,569 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:41:56,570 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:41:56,570 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:41:56,571 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_af55b75a-4fe6-4ac3-9537-58f86111968d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 14:41:56,581 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:41:56,581 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:41:56,582 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:41:56,582 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 14:41:56,582 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 14:41:56,582 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 14:41:56,582 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 14:41:56,582 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 14:41:56,583 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 14:41:56,583 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 14:41:56,583 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 14:41:56,583 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 14:41:56,583 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 14:41:56,584 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:41:56,584 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:41:56,584 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:41:56,584 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:41:56,584 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:41:56,584 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:41:56,585 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:41:56,585 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:41:56,585 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:41:56,585 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:41:56,585 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:41:56,585 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:41:56,585 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:41:56,586 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:41:56,586 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:41:56,586 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:41:56,586 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:41:56,586 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:41:56,586 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:41:56,587 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:41:56,587 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 14:41:56,587 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:41:56,587 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:41:56,587 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 14:41:56,587 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_af55b75a-4fe6-4ac3-9537-58f86111968d/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 -> b06e5398ffe5c8f069a10044eb2db1dcb4413f82 [2018-11-18 14:41:56,610 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:41:56,618 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:41:56,621 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:41:56,622 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:41:56,622 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:41:56,622 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_af55b75a-4fe6-4ac3-9537-58f86111968d/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product32_true-unreach-call_false-termination.cil.c [2018-11-18 14:41:56,661 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_af55b75a-4fe6-4ac3-9537-58f86111968d/bin-2019/utaipan/data/0209230a2/b07f1980c02849c4ac2c25c3505d7e7a/FLAG1a03d13f6 [2018-11-18 14:41:57,078 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:41:57,079 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_af55b75a-4fe6-4ac3-9537-58f86111968d/sv-benchmarks/c/product-lines/minepump_spec1_product32_true-unreach-call_false-termination.cil.c [2018-11-18 14:41:57,086 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_af55b75a-4fe6-4ac3-9537-58f86111968d/bin-2019/utaipan/data/0209230a2/b07f1980c02849c4ac2c25c3505d7e7a/FLAG1a03d13f6 [2018-11-18 14:41:57,094 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_af55b75a-4fe6-4ac3-9537-58f86111968d/bin-2019/utaipan/data/0209230a2/b07f1980c02849c4ac2c25c3505d7e7a [2018-11-18 14:41:57,096 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:41:57,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:41:57,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:41:57,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:41:57,100 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:41:57,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:41:57" (1/1) ... [2018-11-18 14:41:57,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae989df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:57, skipping insertion in model container [2018-11-18 14:41:57,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:41:57" (1/1) ... [2018-11-18 14:41:57,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:41:57,138 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:41:57,309 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:41:57,317 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:41:57,412 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:41:57,428 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:41:57,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:57 WrapperNode [2018-11-18 14:41:57,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:41:57,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:41:57,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:41:57,429 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:41:57,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:57" (1/1) ... [2018-11-18 14:41:57,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:57" (1/1) ... [2018-11-18 14:41:57,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:41:57,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:41:57,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:41:57,450 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:41:57,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:57" (1/1) ... [2018-11-18 14:41:57,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:57" (1/1) ... [2018-11-18 14:41:57,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:57" (1/1) ... [2018-11-18 14:41:57,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:57" (1/1) ... [2018-11-18 14:41:57,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:57" (1/1) ... [2018-11-18 14:41:57,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:57" (1/1) ... [2018-11-18 14:41:57,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:57" (1/1) ... [2018-11-18 14:41:57,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:41:57,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:41:57,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:41:57,475 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:41:57,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_af55b75a-4fe6-4ac3-9537-58f86111968d/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 14:41:57,527 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 14:41:57,527 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 14:41:57,527 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:41:57,528 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:41:57,528 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 14:41:57,528 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 14:41:57,528 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 14:41:57,528 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 14:41:57,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:41:57,528 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 14:41:57,528 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 14:41:57,528 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 14:41:57,529 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 14:41:57,529 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 14:41:57,529 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 14:41:57,529 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 14:41:57,529 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 14:41:57,529 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 14:41:57,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 14:41:57,529 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 14:41:57,529 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 14:41:57,530 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 14:41:57,530 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 14:41:57,530 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 14:41:57,530 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 14:41:57,530 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 14:41:57,530 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 14:41:57,530 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 14:41:57,530 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 14:41:57,530 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 14:41:57,530 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 14:41:57,531 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 14:41:57,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 14:41:57,531 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 14:41:57,531 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 14:41:57,531 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 14:41:57,531 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 14:41:57,531 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 14:41:57,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 14:41:57,531 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 14:41:57,531 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 14:41:57,532 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 14:41:57,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 14:41:57,532 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 14:41:57,532 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 14:41:57,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:41:57,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:41:57,532 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 14:41:57,532 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 14:41:57,532 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 14:41:57,533 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 14:41:57,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:41:57,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:41:57,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-18 14:41:57,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-18 14:41:57,961 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:41:57,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:41:57 BoogieIcfgContainer [2018-11-18 14:41:57,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:41:57,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:41:57,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:41:57,965 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:41:57,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:41:57" (1/3) ... [2018-11-18 14:41:57,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5053a27d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:41:57, skipping insertion in model container [2018-11-18 14:41:57,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:57" (2/3) ... [2018-11-18 14:41:57,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5053a27d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:41:57, skipping insertion in model container [2018-11-18 14:41:57,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:41:57" (3/3) ... [2018-11-18 14:41:57,968 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product32_true-unreach-call_false-termination.cil.c [2018-11-18 14:41:57,974 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:41:57,979 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:41:57,988 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:41:58,011 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:41:58,011 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:41:58,011 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:41:58,011 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:41:58,011 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:41:58,012 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:41:58,012 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:41:58,012 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:41:58,026 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2018-11-18 14:41:58,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 14:41:58,033 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:41:58,034 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:41:58,036 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:41:58,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:41:58,040 INFO L82 PathProgramCache]: Analyzing trace with hash 446166037, now seen corresponding path program 1 times [2018-11-18 14:41:58,042 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:41:58,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:41:58,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:41:58,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:41:58,074 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:41:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:41:58,229 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 14:41:58,231 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:41:58,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 14:41:58,231 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:41:58,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 14:41:58,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 14:41:58,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 14:41:58,244 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2018-11-18 14:41:58,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:41:58,273 INFO L93 Difference]: Finished difference Result 262 states and 327 transitions. [2018-11-18 14:41:58,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 14:41:58,274 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 14:41:58,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:41:58,284 INFO L225 Difference]: With dead ends: 262 [2018-11-18 14:41:58,284 INFO L226 Difference]: Without dead ends: 131 [2018-11-18 14:41:58,287 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 14:41:58,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-11-18 14:41:58,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-11-18 14:41:58,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-18 14:41:58,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 155 transitions. [2018-11-18 14:41:58,327 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 155 transitions. Word has length 46 [2018-11-18 14:41:58,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:41:58,327 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 155 transitions. [2018-11-18 14:41:58,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 14:41:58,327 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 155 transitions. [2018-11-18 14:41:58,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 14:41:58,330 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:41:58,330 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:41:58,330 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:41:58,331 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:41:58,331 INFO L82 PathProgramCache]: Analyzing trace with hash -246083075, now seen corresponding path program 1 times [2018-11-18 14:41:58,331 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:41:58,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:41:58,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:41:58,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:41:58,332 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:41:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:41:58,413 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 14:41:58,413 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:41:58,414 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:41:58,414 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:41:58,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:41:58,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:41:58,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:41:58,416 INFO L87 Difference]: Start difference. First operand 131 states and 155 transitions. Second operand 3 states. [2018-11-18 14:41:58,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:41:58,437 INFO L93 Difference]: Finished difference Result 199 states and 235 transitions. [2018-11-18 14:41:58,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:41:58,437 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 14:41:58,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:41:58,439 INFO L225 Difference]: With dead ends: 199 [2018-11-18 14:41:58,439 INFO L226 Difference]: Without dead ends: 121 [2018-11-18 14:41:58,440 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 14:41:58,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-11-18 14:41:58,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-11-18 14:41:58,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-11-18 14:41:58,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 142 transitions. [2018-11-18 14:41:58,450 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 142 transitions. Word has length 48 [2018-11-18 14:41:58,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:41:58,451 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 142 transitions. [2018-11-18 14:41:58,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:41:58,451 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 142 transitions. [2018-11-18 14:41:58,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 14:41:58,452 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:41:58,452 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 14:41:58,453 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:41:58,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:41:58,453 INFO L82 PathProgramCache]: Analyzing trace with hash -225582780, now seen corresponding path program 1 times [2018-11-18 14:41:58,453 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:41:58,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:41:58,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:41:58,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:41:58,454 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:41:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:41:58,583 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 14:41:58,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:41:58,584 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 14:41:58,584 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:41:58,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:41:58,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:41:58,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:41:58,585 INFO L87 Difference]: Start difference. First operand 121 states and 142 transitions. Second operand 7 states. [2018-11-18 14:41:58,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:41:58,920 INFO L93 Difference]: Finished difference Result 366 states and 447 transitions. [2018-11-18 14:41:58,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 14:41:58,921 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-18 14:41:58,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:41:58,923 INFO L225 Difference]: With dead ends: 366 [2018-11-18 14:41:58,924 INFO L226 Difference]: Without dead ends: 269 [2018-11-18 14:41:58,925 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 14:41:58,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-11-18 14:41:58,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 257. [2018-11-18 14:41:58,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-11-18 14:41:58,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 313 transitions. [2018-11-18 14:41:58,955 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 313 transitions. Word has length 53 [2018-11-18 14:41:58,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:41:58,955 INFO L480 AbstractCegarLoop]: Abstraction has 257 states and 313 transitions. [2018-11-18 14:41:58,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:41:58,955 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 313 transitions. [2018-11-18 14:41:58,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 14:41:58,957 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:41:58,957 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 14:41:58,958 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:41:58,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:41:58,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1324109021, now seen corresponding path program 1 times [2018-11-18 14:41:58,958 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:41:58,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:41:58,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:41:58,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:41:58,959 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:41:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:41:59,058 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 14:41:59,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:41:59,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:41:59,059 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:41:59,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:41:59,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:41:59,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:41:59,060 INFO L87 Difference]: Start difference. First operand 257 states and 313 transitions. Second operand 6 states. [2018-11-18 14:41:59,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:41:59,230 INFO L93 Difference]: Finished difference Result 708 states and 887 transitions. [2018-11-18 14:41:59,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 14:41:59,231 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-11-18 14:41:59,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:41:59,234 INFO L225 Difference]: With dead ends: 708 [2018-11-18 14:41:59,235 INFO L226 Difference]: Without dead ends: 475 [2018-11-18 14:41:59,236 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 14:41:59,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2018-11-18 14:41:59,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 469. [2018-11-18 14:41:59,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2018-11-18 14:41:59,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 576 transitions. [2018-11-18 14:41:59,270 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 576 transitions. Word has length 58 [2018-11-18 14:41:59,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:41:59,270 INFO L480 AbstractCegarLoop]: Abstraction has 469 states and 576 transitions. [2018-11-18 14:41:59,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:41:59,271 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 576 transitions. [2018-11-18 14:41:59,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 14:41:59,273 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:41:59,276 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] [2018-11-18 14:41:59,276 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:41:59,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:41:59,276 INFO L82 PathProgramCache]: Analyzing trace with hash 563367207, now seen corresponding path program 1 times [2018-11-18 14:41:59,276 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:41:59,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:41:59,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:41:59,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:41:59,278 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:41:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:41:59,376 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 14:41:59,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:41:59,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 14:41:59,376 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:41:59,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:41:59,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:41:59,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:41:59,377 INFO L87 Difference]: Start difference. First operand 469 states and 576 transitions. Second operand 7 states. [2018-11-18 14:41:59,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:41:59,656 INFO L93 Difference]: Finished difference Result 769 states and 968 transitions. [2018-11-18 14:41:59,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 14:41:59,656 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2018-11-18 14:41:59,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:41:59,657 INFO L225 Difference]: With dead ends: 769 [2018-11-18 14:41:59,657 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 14:41:59,659 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 14:41:59,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 14:41:59,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 14:41:59,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 14:41:59,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:41:59,660 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2018-11-18 14:41:59,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:41:59,661 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:41:59,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:41:59,661 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:41:59,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:41:59,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 14:42:00,340 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 523 529) the Hoare annotation is: true [2018-11-18 14:42:00,341 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 523 529) no Hoare annotation was computed. [2018-11-18 14:42:00,341 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 530 538) no Hoare annotation was computed. [2018-11-18 14:42:00,341 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 530 538) the Hoare annotation is: true [2018-11-18 14:42:00,341 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 530 538) no Hoare annotation was computed. [2018-11-18 14:42:00,341 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 943 965) 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 14:42:00,341 INFO L421 ceAbstractionStarter]: At program point L955(line 955) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:42:00,341 INFO L421 ceAbstractionStarter]: At program point L955-1(line 955) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:42:00,341 INFO L425 ceAbstractionStarter]: For program point L953(lines 953 960) no Hoare annotation was computed. [2018-11-18 14:42:00,342 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 943 965) no Hoare annotation was computed. [2018-11-18 14:42:00,342 INFO L425 ceAbstractionStarter]: For program point L953-1(lines 953 960) no Hoare annotation was computed. [2018-11-18 14:42:00,342 INFO L425 ceAbstractionStarter]: For program point L951(line 951) no Hoare annotation was computed. [2018-11-18 14:42:00,342 INFO L421 ceAbstractionStarter]: At program point L950(line 950) 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 14:42:00,342 INFO L421 ceAbstractionStarter]: At program point L949(line 949) 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 14:42:00,342 INFO L421 ceAbstractionStarter]: At program point L949-1(line 949) 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 14:42:00,342 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 943 965) no Hoare annotation was computed. [2018-11-18 14:42:00,342 INFO L421 ceAbstractionStarter]: At program point L698(line 698) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 14:42:00,342 INFO L425 ceAbstractionStarter]: For program point L698-1(lines 679 703) no Hoare annotation was computed. [2018-11-18 14:42:00,343 INFO L421 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 14:42:00,343 INFO L421 ceAbstractionStarter]: At program point L689(line 689) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 14:42:00,343 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 679 703) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 14:42:00,343 INFO L425 ceAbstractionStarter]: For program point L687(lines 687 695) no Hoare annotation was computed. [2018-11-18 14:42:00,343 INFO L421 ceAbstractionStarter]: At program point L685(line 685) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 14:42:00,343 INFO L425 ceAbstractionStarter]: For program point L685-1(line 685) no Hoare annotation was computed. [2018-11-18 14:42:00,343 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 679 703) no Hoare annotation was computed. [2018-11-18 14:42:00,343 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 700) no Hoare annotation was computed. [2018-11-18 14:42:00,343 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 838 852) no Hoare annotation was computed. [2018-11-18 14:42:00,343 INFO L421 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-18 14:42:00,344 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 848) no Hoare annotation was computed. [2018-11-18 14:42:00,344 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 838 852) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-18 14:42:00,344 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 838 852) no Hoare annotation was computed. [2018-11-18 14:42:00,344 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 774 782) no Hoare annotation was computed. [2018-11-18 14:42:00,344 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 774 782) the Hoare annotation is: true [2018-11-18 14:42:00,344 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 774 782) no Hoare annotation was computed. [2018-11-18 14:42:00,344 INFO L425 ceAbstractionStarter]: For program point L828(lines 828 832) no Hoare annotation was computed. [2018-11-18 14:42:00,344 INFO L428 ceAbstractionStarter]: At program point L826(line 826) the Hoare annotation is: true [2018-11-18 14:42:00,344 INFO L425 ceAbstractionStarter]: For program point L828-2(lines 828 832) no Hoare annotation was computed. [2018-11-18 14:42:00,344 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 819 837) the Hoare annotation is: true [2018-11-18 14:42:00,344 INFO L425 ceAbstractionStarter]: For program point L826-1(line 826) no Hoare annotation was computed. [2018-11-18 14:42:00,344 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 819 837) no Hoare annotation was computed. [2018-11-18 14:42:00,344 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 819 837) no Hoare annotation was computed. [2018-11-18 14:42:00,344 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 516 522) no Hoare annotation was computed. [2018-11-18 14:42:00,344 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 516 522) the Hoare annotation is: true [2018-11-18 14:42:00,345 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 933 942) 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 14:42:00,345 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 933 942) no Hoare annotation was computed. [2018-11-18 14:42:00,345 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 933 942) no Hoare annotation was computed. [2018-11-18 14:42:00,345 INFO L428 ceAbstractionStarter]: At program point L768(line 768) the Hoare annotation is: true [2018-11-18 14:42:00,345 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 763 773) the Hoare annotation is: true [2018-11-18 14:42:00,345 INFO L425 ceAbstractionStarter]: For program point L768-1(line 768) no Hoare annotation was computed. [2018-11-18 14:42:00,345 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 763 773) no Hoare annotation was computed. [2018-11-18 14:42:00,345 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 763 773) no Hoare annotation was computed. [2018-11-18 14:42:00,345 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 755 762) the Hoare annotation is: true [2018-11-18 14:42:00,345 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 755 762) no Hoare annotation was computed. [2018-11-18 14:42:00,345 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 755 762) no Hoare annotation was computed. [2018-11-18 14:42:00,345 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 705 729) no Hoare annotation was computed. [2018-11-18 14:42:00,345 INFO L421 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 14:42:00,345 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 705 729) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 14:42:00,345 INFO L425 ceAbstractionStarter]: For program point L724-1(lines 705 729) no Hoare annotation was computed. [2018-11-18 14:42:00,345 INFO L421 ceAbstractionStarter]: At program point L719(line 719) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 14:42:00,346 INFO L421 ceAbstractionStarter]: At program point L715(line 715) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 14:42:00,346 INFO L425 ceAbstractionStarter]: For program point L713(lines 713 721) no Hoare annotation was computed. [2018-11-18 14:42:00,346 INFO L421 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 14:42:00,346 INFO L425 ceAbstractionStarter]: For program point L711-1(line 711) no Hoare annotation was computed. [2018-11-18 14:42:00,346 INFO L425 ceAbstractionStarter]: For program point L709(lines 709 726) no Hoare annotation was computed. [2018-11-18 14:42:00,346 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 671 677) no Hoare annotation was computed. [2018-11-18 14:42:00,346 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 671 677) the Hoare annotation is: true [2018-11-18 14:42:00,346 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 572 639) 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 14:42:00,346 INFO L421 ceAbstractionStarter]: At program point L632(lines 581 633) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:42:00,346 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 572 639) no Hoare annotation was computed. [2018-11-18 14:42:00,346 INFO L421 ceAbstractionStarter]: At program point L622(line 622) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:42:00,346 INFO L425 ceAbstractionStarter]: For program point L620(lines 620 626) no Hoare annotation was computed. [2018-11-18 14:42:00,346 INFO L421 ceAbstractionStarter]: At program point L620-1(lines 612 627) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:42:00,347 INFO L425 ceAbstractionStarter]: For program point L583(lines 582 631) no Hoare annotation was computed. [2018-11-18 14:42:00,347 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:42:00,347 INFO L425 ceAbstractionStarter]: For program point L612(lines 612 627) no Hoare annotation was computed. [2018-11-18 14:42:00,347 INFO L421 ceAbstractionStarter]: At program point L604(line 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:42:00,347 INFO L425 ceAbstractionStarter]: For program point L602(lines 602 608) no Hoare annotation was computed. [2018-11-18 14:42:00,347 INFO L425 ceAbstractionStarter]: For program point L602-1(lines 602 608) no Hoare annotation was computed. [2018-11-18 14:42:00,347 INFO L421 ceAbstractionStarter]: At program point L629(lines 582 631) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:42:00,347 INFO L421 ceAbstractionStarter]: At program point L594(line 594) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:42:00,347 INFO L425 ceAbstractionStarter]: For program point L592(lines 592 598) no Hoare annotation was computed. [2018-11-18 14:42:00,347 INFO L425 ceAbstractionStarter]: For program point L592-1(lines 592 598) no Hoare annotation was computed. [2018-11-18 14:42:00,347 INFO L425 ceAbstractionStarter]: For program point L584(lines 584 588) no Hoare annotation was computed. [2018-11-18 14:42:00,347 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 631) no Hoare annotation was computed. [2018-11-18 14:42:00,348 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 572 639) no Hoare annotation was computed. [2018-11-18 14:42:00,348 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 492 500) no Hoare annotation was computed. [2018-11-18 14:42:00,348 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2018-11-18 14:42:00,348 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2018-11-18 14:42:00,348 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:42:00,348 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 14:42:00,348 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:42:00,348 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-11-18 14:42:00,348 INFO L425 ceAbstractionStarter]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2018-11-18 14:42:00,348 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2018-11-18 14:42:00,348 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 872 901) no Hoare annotation was computed. [2018-11-18 14:42:00,348 INFO L425 ceAbstractionStarter]: For program point L886(lines 886 890) no Hoare annotation was computed. [2018-11-18 14:42:00,349 INFO L428 ceAbstractionStarter]: At program point L886-1(lines 886 890) the Hoare annotation is: true [2018-11-18 14:42:00,349 INFO L425 ceAbstractionStarter]: For program point L882-1(lines 882 896) no Hoare annotation was computed. [2018-11-18 14:42:00,349 INFO L428 ceAbstractionStarter]: At program point L882-3(lines 882 896) the Hoare annotation is: true [2018-11-18 14:42:00,349 INFO L428 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2018-11-18 14:42:00,349 INFO L425 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2018-11-18 14:42:00,349 INFO L428 ceAbstractionStarter]: At program point L897(lines 872 901) the Hoare annotation is: true [2018-11-18 14:42:00,349 INFO L425 ceAbstractionStarter]: For program point L893(line 893) no Hoare annotation was computed. [2018-11-18 14:42:00,349 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 872 901) the Hoare annotation is: true [2018-11-18 14:42:00,349 INFO L425 ceAbstractionStarter]: For program point L883(line 883) no Hoare annotation was computed. [2018-11-18 14:42:00,349 INFO L421 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 14:42:00,349 INFO L421 ceAbstractionStarter]: At program point L658(lines 658 664) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 14:42:00,349 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 647 670) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 14:42:00,349 INFO L421 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-18 14:42:00,349 INFO L425 ceAbstractionStarter]: For program point L651(lines 650 669) no Hoare annotation was computed. [2018-11-18 14:42:00,350 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 647 670) no Hoare annotation was computed. [2018-11-18 14:42:00,350 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 647 670) no Hoare annotation was computed. [2018-11-18 14:42:00,350 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 451 459) the Hoare annotation is: true [2018-11-18 14:42:00,350 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 451 459) no Hoare annotation was computed. [2018-11-18 14:42:00,350 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2018-11-18 14:42:00,350 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2018-11-18 14:42:00,350 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2018-11-18 14:42:00,350 INFO L425 ceAbstractionStarter]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2018-11-18 14:42:00,350 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 926 932) no Hoare annotation was computed. [2018-11-18 14:42:00,350 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 926 932) the Hoare annotation is: true [2018-11-18 14:42:00,350 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:42:00,351 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 14:42:00,351 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:42:00,351 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:42:00,351 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 853 860) no Hoare annotation was computed. [2018-11-18 14:42:00,351 INFO L428 ceAbstractionStarter]: At program point startSystemENTRY(lines 853 860) the Hoare annotation is: true [2018-11-18 14:42:00,351 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 853 860) no Hoare annotation was computed. [2018-11-18 14:42:00,351 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2018-11-18 14:42:00,351 INFO L425 ceAbstractionStarter]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2018-11-18 14:42:00,351 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: true [2018-11-18 14:42:00,351 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 862 869) no Hoare annotation was computed. [2018-11-18 14:42:00,351 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 862 869) the Hoare annotation is: true [2018-11-18 14:42:00,352 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 862 869) no Hoare annotation was computed. [2018-11-18 14:42:00,352 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 866) no Hoare annotation was computed. [2018-11-18 14:42:00,352 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 542 566) the Hoare annotation is: true [2018-11-18 14:42:00,352 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 542 566) no Hoare annotation was computed. [2018-11-18 14:42:00,352 INFO L421 ceAbstractionStarter]: At program point L556(line 556) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-18 14:42:00,352 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 560) no Hoare annotation was computed. [2018-11-18 14:42:00,352 INFO L421 ceAbstractionStarter]: At program point L552(line 552) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 14:42:00,352 INFO L425 ceAbstractionStarter]: For program point L552-1(line 552) no Hoare annotation was computed. [2018-11-18 14:42:00,352 INFO L425 ceAbstractionStarter]: For program point L550(lines 550 563) no Hoare annotation was computed. [2018-11-18 14:42:00,352 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 542 566) no Hoare annotation was computed. [2018-11-18 14:42:00,352 INFO L428 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: true [2018-11-18 14:42:00,353 INFO L425 ceAbstractionStarter]: For program point L548-1(line 548) no Hoare annotation was computed. [2018-11-18 14:42:00,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:42:00 BoogieIcfgContainer [2018-11-18 14:42:00,366 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:42:00,366 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:42:00,366 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:42:00,366 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:42:00,367 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:41:57" (3/4) ... [2018-11-18 14:42:00,370 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:42:00,376 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 14:42:00,376 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 14:42:00,376 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 14:42:00,376 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 14:42:00,376 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 14:42:00,376 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 14:42:00,376 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 14:42:00,376 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 14:42:00,376 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 14:42:00,377 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 14:42:00,377 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 14:42:00,377 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 14:42:00,377 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 14:42:00,377 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 14:42:00,377 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 14:42:00,377 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 14:42:00,377 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 14:42:00,377 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 14:42:00,377 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 14:42:00,377 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 14:42:00,377 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 14:42:00,377 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 14:42:00,378 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 14:42:00,378 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 14:42:00,378 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 14:42:00,378 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-18 14:42:00,384 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-11-18 14:42:00,384 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 14:42:00,385 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 14:42:00,405 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 14:42:00,405 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 14:42:00,440 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_af55b75a-4fe6-4ac3-9537-58f86111968d/bin-2019/utaipan/witness.graphml [2018-11-18 14:42:00,440 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:42:00,441 INFO L168 Benchmark]: Toolchain (without parser) took 3344.66 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 236.5 MB). Free memory was 952.1 MB in the beginning and 1.1 GB in the end (delta: -101.7 MB). Peak memory consumption was 134.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:42:00,442 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:42:00,442 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 952.1 MB in the beginning and 1.1 GB in the end (delta: -188.1 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:42:00,442 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.76 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 14:42:00,443 INFO L168 Benchmark]: Boogie Preprocessor took 24.94 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:42:00,443 INFO L168 Benchmark]: RCFGBuilder took 486.83 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: 57.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:42:00,443 INFO L168 Benchmark]: TraceAbstraction took 2403.62 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 83.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.8 MB). Peak memory consumption was 273.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:42:00,443 INFO L168 Benchmark]: Witness Printer took 74.44 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:42:00,445 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 330.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 952.1 MB in the beginning and 1.1 GB in the end (delta: -188.1 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.76 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 24.94 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 486.83 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: 57.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2403.62 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 83.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.8 MB). Peak memory consumption was 273.4 MB. Max. memory is 11.5 GB. * Witness Printer took 74.44 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 866]: 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: 581]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 144 locations, 1 error locations. SAFE Result, 2.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 725 SDtfs, 429 SDslu, 1380 SDs, 0 SdLazy, 474 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=469occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 590 PreInvPairs, 637 NumberOfFragments, 548 HoareAnnotationTreeSize, 590 FomulaSimplifications, 443 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 61 FomulaSimplificationsInter, 2103 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 267 NumberOfCodeBlocks, 267 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 26986 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...