./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product31_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a43a1cc5-baf3-4ecd-80eb-5eed979d1542/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a43a1cc5-baf3-4ecd-80eb-5eed979d1542/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a43a1cc5-baf3-4ecd-80eb-5eed979d1542/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a43a1cc5-baf3-4ecd-80eb-5eed979d1542/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product31_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a43a1cc5-baf3-4ecd-80eb-5eed979d1542/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a43a1cc5-baf3-4ecd-80eb-5eed979d1542/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 c01215307b2c8189e4e6745962a1a26d113e8096 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:18:51,491 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:18:51,492 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:18:51,497 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:18:51,498 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:18:51,498 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:18:51,499 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:18:51,499 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:18:51,500 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:18:51,501 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:18:51,501 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:18:51,501 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:18:51,501 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:18:51,502 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:18:51,502 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:18:51,503 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:18:51,503 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:18:51,504 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:18:51,505 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:18:51,505 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:18:51,506 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:18:51,506 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:18:51,508 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:18:51,508 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:18:51,508 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:18:51,508 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:18:51,509 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:18:51,509 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:18:51,509 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:18:51,510 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:18:51,510 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:18:51,510 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:18:51,510 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:18:51,511 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:18:51,511 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:18:51,511 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:18:51,511 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a43a1cc5-baf3-4ecd-80eb-5eed979d1542/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 00:18:51,518 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:18:51,519 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:18:51,519 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:18:51,519 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:18:51,519 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 00:18:51,519 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 00:18:51,520 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 00:18:51,520 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 00:18:51,520 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 00:18:51,520 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 00:18:51,520 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 00:18:51,520 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 00:18:51,520 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 00:18:51,520 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:18:51,521 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:18:51,521 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:18:51,521 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:18:51,521 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:18:51,521 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:18:51,521 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:18:51,521 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:18:51,521 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:18:51,521 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:18:51,521 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:18:51,521 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:18:51,522 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:18:51,522 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:18:51,522 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:18:51,522 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:18:51,522 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:18:51,522 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:18:51,522 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:18:51,522 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 00:18:51,522 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:18:51,522 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:18:51,522 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 00:18:51,523 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_a43a1cc5-baf3-4ecd-80eb-5eed979d1542/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 -> c01215307b2c8189e4e6745962a1a26d113e8096 [2018-12-09 00:18:51,540 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:18:51,549 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:18:51,551 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:18:51,552 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:18:51,553 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:18:51,553 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a43a1cc5-baf3-4ecd-80eb-5eed979d1542/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product31_true-unreach-call_false-termination.cil.c [2018-12-09 00:18:51,596 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a43a1cc5-baf3-4ecd-80eb-5eed979d1542/bin-2019/utaipan/data/c71159c2d/bf09302a55b6417f9f9b904214902770/FLAGe883b5ed6 [2018-12-09 00:18:52,019 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:18:52,019 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a43a1cc5-baf3-4ecd-80eb-5eed979d1542/sv-benchmarks/c/product-lines/minepump_spec2_product31_true-unreach-call_false-termination.cil.c [2018-12-09 00:18:52,026 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a43a1cc5-baf3-4ecd-80eb-5eed979d1542/bin-2019/utaipan/data/c71159c2d/bf09302a55b6417f9f9b904214902770/FLAGe883b5ed6 [2018-12-09 00:18:52,034 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a43a1cc5-baf3-4ecd-80eb-5eed979d1542/bin-2019/utaipan/data/c71159c2d/bf09302a55b6417f9f9b904214902770 [2018-12-09 00:18:52,036 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:18:52,037 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:18:52,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:18:52,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:18:52,040 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:18:52,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:18:52" (1/1) ... [2018-12-09 00:18:52,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:18:52, skipping insertion in model container [2018-12-09 00:18:52,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:18:52" (1/1) ... [2018-12-09 00:18:52,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:18:52,073 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:18:52,232 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:18:52,240 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:18:52,318 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:18:52,333 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:18:52,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:18:52 WrapperNode [2018-12-09 00:18:52,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:18:52,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:18:52,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:18:52,334 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:18:52,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:18:52" (1/1) ... [2018-12-09 00:18:52,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:18:52" (1/1) ... [2018-12-09 00:18:52,353 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:18:52,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:18:52,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:18:52,353 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:18:52,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:18:52" (1/1) ... [2018-12-09 00:18:52,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:18:52" (1/1) ... [2018-12-09 00:18:52,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:18:52" (1/1) ... [2018-12-09 00:18:52,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:18:52" (1/1) ... [2018-12-09 00:18:52,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:18:52" (1/1) ... [2018-12-09 00:18:52,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:18:52" (1/1) ... [2018-12-09 00:18:52,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:18:52" (1/1) ... [2018-12-09 00:18:52,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:18:52,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:18:52,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:18:52,375 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:18:52,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:18:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a43a1cc5-baf3-4ecd-80eb-5eed979d1542/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:18:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 00:18:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 00:18:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:18:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:18:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 00:18:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 00:18:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 00:18:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 00:18:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:18:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 00:18:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 00:18:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 00:18:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 00:18:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 00:18:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 00:18:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 00:18:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 00:18:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 00:18:52,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 00:18:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-09 00:18:52,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-09 00:18:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-09 00:18:52,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-09 00:18:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 00:18:52,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 00:18:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 00:18:52,408 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 00:18:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 00:18:52,408 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 00:18:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 00:18:52,408 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 00:18:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 00:18:52,409 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 00:18:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 00:18:52,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 00:18:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 00:18:52,409 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 00:18:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 00:18:52,409 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 00:18:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 00:18:52,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 00:18:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 00:18:52,409 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 00:18:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 00:18:52,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 00:18:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 00:18:52,409 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 00:18:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 00:18:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:18:52,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:18:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 00:18:52,410 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 00:18:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 00:18:52,410 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 00:18:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:18:52,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:18:52,668 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:18:52,669 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 00:18:52,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:18:52 BoogieIcfgContainer [2018-12-09 00:18:52,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:18:52,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:18:52,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:18:52,671 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:18:52,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:18:52" (1/3) ... [2018-12-09 00:18:52,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57171651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:18:52, skipping insertion in model container [2018-12-09 00:18:52,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:18:52" (2/3) ... [2018-12-09 00:18:52,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57171651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:18:52, skipping insertion in model container [2018-12-09 00:18:52,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:18:52" (3/3) ... [2018-12-09 00:18:52,673 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product31_true-unreach-call_false-termination.cil.c [2018-12-09 00:18:52,679 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:18:52,684 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 00:18:52,692 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 00:18:52,710 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:18:52,710 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:18:52,711 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:18:52,711 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:18:52,711 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:18:52,711 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:18:52,711 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:18:52,711 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:18:52,722 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-12-09 00:18:52,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 00:18:52,727 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:18:52,727 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:18:52,729 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:18:52,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:18:52,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1263572786, now seen corresponding path program 1 times [2018-12-09 00:18:52,733 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:18:52,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:18:52,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:18:52,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:18:52,761 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:18:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:18:52,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:18:52,871 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:18:52,871 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 00:18:52,871 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:18:52,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 00:18:52,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 00:18:52,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 00:18:52,883 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2018-12-09 00:18:52,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:18:52,905 INFO L93 Difference]: Finished difference Result 256 states and 323 transitions. [2018-12-09 00:18:52,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 00:18:52,906 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-09 00:18:52,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:18:52,913 INFO L225 Difference]: With dead ends: 256 [2018-12-09 00:18:52,913 INFO L226 Difference]: Without dead ends: 130 [2018-12-09 00:18:52,916 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 00:18:52,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-12-09 00:18:52,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-12-09 00:18:52,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-12-09 00:18:52,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 155 transitions. [2018-12-09 00:18:52,946 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 155 transitions. Word has length 51 [2018-12-09 00:18:52,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:18:52,946 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 155 transitions. [2018-12-09 00:18:52,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 00:18:52,947 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 155 transitions. [2018-12-09 00:18:52,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 00:18:52,948 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:18:52,948 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:18:52,949 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:18:52,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:18:52,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1163541244, now seen corresponding path program 1 times [2018-12-09 00:18:52,949 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:18:52,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:18:52,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:18:52,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:18:52,950 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:18:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:18:53,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:18:53,001 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:18:53,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:18:53,001 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:18:53,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 00:18:53,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:18:53,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:18:53,003 INFO L87 Difference]: Start difference. First operand 130 states and 155 transitions. Second operand 3 states. [2018-12-09 00:18:53,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:18:53,018 INFO L93 Difference]: Finished difference Result 199 states and 237 transitions. [2018-12-09 00:18:53,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:18:53,019 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-09 00:18:53,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:18:53,020 INFO L225 Difference]: With dead ends: 199 [2018-12-09 00:18:53,020 INFO L226 Difference]: Without dead ends: 121 [2018-12-09 00:18:53,020 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:18:53,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-12-09 00:18:53,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-12-09 00:18:53,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-12-09 00:18:53,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 143 transitions. [2018-12-09 00:18:53,028 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 143 transitions. Word has length 52 [2018-12-09 00:18:53,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:18:53,028 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 143 transitions. [2018-12-09 00:18:53,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 00:18:53,028 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 143 transitions. [2018-12-09 00:18:53,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 00:18:53,029 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:18:53,030 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:18:53,030 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:18:53,030 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:18:53,030 INFO L82 PathProgramCache]: Analyzing trace with hash -14618746, now seen corresponding path program 1 times [2018-12-09 00:18:53,030 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:18:53,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:18:53,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:18:53,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:18:53,031 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:18:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:18:53,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:18:53,109 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:18:53,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:18:53,109 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:18:53,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:18:53,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:18:53,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:18:53,109 INFO L87 Difference]: Start difference. First operand 121 states and 143 transitions. Second operand 7 states. [2018-12-09 00:18:53,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:18:53,373 INFO L93 Difference]: Finished difference Result 358 states and 441 transitions. [2018-12-09 00:18:53,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:18:53,374 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-09 00:18:53,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:18:53,377 INFO L225 Difference]: With dead ends: 358 [2018-12-09 00:18:53,377 INFO L226 Difference]: Without dead ends: 265 [2018-12-09 00:18:53,378 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:18:53,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-12-09 00:18:53,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 257. [2018-12-09 00:18:53,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-12-09 00:18:53,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 316 transitions. [2018-12-09 00:18:53,404 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 316 transitions. Word has length 56 [2018-12-09 00:18:53,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:18:53,405 INFO L480 AbstractCegarLoop]: Abstraction has 257 states and 316 transitions. [2018-12-09 00:18:53,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:18:53,405 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 316 transitions. [2018-12-09 00:18:53,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 00:18:53,407 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:18:53,408 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:18:53,408 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:18:53,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:18:53,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1153661068, now seen corresponding path program 1 times [2018-12-09 00:18:53,408 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:18:53,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:18:53,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:18:53,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:18:53,409 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:18:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:18:53,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:18:53,497 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:18:53,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 00:18:53,498 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:18:53,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:18:53,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:18:53,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:18:53,499 INFO L87 Difference]: Start difference. First operand 257 states and 316 transitions. Second operand 6 states. [2018-12-09 00:18:53,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:18:53,630 INFO L93 Difference]: Finished difference Result 697 states and 882 transitions. [2018-12-09 00:18:53,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:18:53,631 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-09 00:18:53,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:18:53,634 INFO L225 Difference]: With dead ends: 697 [2018-12-09 00:18:53,634 INFO L226 Difference]: Without dead ends: 468 [2018-12-09 00:18:53,636 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 00:18:53,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2018-12-09 00:18:53,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 462. [2018-12-09 00:18:53,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2018-12-09 00:18:53,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 572 transitions. [2018-12-09 00:18:53,668 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 572 transitions. Word has length 62 [2018-12-09 00:18:53,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:18:53,669 INFO L480 AbstractCegarLoop]: Abstraction has 462 states and 572 transitions. [2018-12-09 00:18:53,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:18:53,669 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 572 transitions. [2018-12-09 00:18:53,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 00:18:53,671 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:18:53,672 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:18:53,672 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:18:53,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:18:53,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1024358416, now seen corresponding path program 1 times [2018-12-09 00:18:53,672 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:18:53,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:18:53,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:18:53,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:18:53,673 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:18:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:18:53,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:18:53,752 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:18:53,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:18:53,752 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:18:53,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:18:53,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:18:53,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:18:53,753 INFO L87 Difference]: Start difference. First operand 462 states and 572 transitions. Second operand 7 states. [2018-12-09 00:18:53,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:18:53,925 INFO L93 Difference]: Finished difference Result 748 states and 953 transitions. [2018-12-09 00:18:53,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:18:53,926 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-09 00:18:53,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:18:53,926 INFO L225 Difference]: With dead ends: 748 [2018-12-09 00:18:53,926 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 00:18:53,927 INFO L631 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 [2018-12-09 00:18:53,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 00:18:53,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 00:18:53,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 00:18:53,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 00:18:53,928 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2018-12-09 00:18:53,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:18:53,928 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 00:18:53,928 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:18:53,928 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 00:18:53,928 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:18:53,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 00:18:54,544 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 361 367) the Hoare annotation is: true [2018-12-09 00:18:54,544 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 361 367) no Hoare annotation was computed. [2018-12-09 00:18:54,544 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 368 376) no Hoare annotation was computed. [2018-12-09 00:18:54,544 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 368 376) the Hoare annotation is: true [2018-12-09 00:18:54,544 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 368 376) no Hoare annotation was computed. [2018-12-09 00:18:54,544 INFO L448 ceAbstractionStarter]: For program point L866-1(lines 866 873) no Hoare annotation was computed. [2018-12-09 00:18:54,544 INFO L448 ceAbstractionStarter]: For program point L864(line 864) no Hoare annotation was computed. [2018-12-09 00:18:54,545 INFO L444 ceAbstractionStarter]: At program point L863(line 863) 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))) [2018-12-09 00:18:54,545 INFO L444 ceAbstractionStarter]: At program point L862(line 862) 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))) [2018-12-09 00:18:54,545 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 856 878) 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))) [2018-12-09 00:18:54,545 INFO L444 ceAbstractionStarter]: At program point L862-1(line 862) 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))) [2018-12-09 00:18:54,545 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 856 878) no Hoare annotation was computed. [2018-12-09 00:18:54,545 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 856 878) no Hoare annotation was computed. [2018-12-09 00:18:54,545 INFO L444 ceAbstractionStarter]: At program point L868(line 868) 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))) [2018-12-09 00:18:54,546 INFO L444 ceAbstractionStarter]: At program point L868-1(line 868) 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))) [2018-12-09 00:18:54,546 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 873) no Hoare annotation was computed. [2018-12-09 00:18:54,546 INFO L444 ceAbstractionStarter]: At program point L184(line 184) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 00:18:54,546 INFO L448 ceAbstractionStarter]: For program point L184-1(lines 165 189) no Hoare annotation was computed. [2018-12-09 00:18:54,546 INFO L444 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 00:18:54,546 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 165 189) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 00:18:54,546 INFO L444 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 00:18:54,547 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 181) no Hoare annotation was computed. [2018-12-09 00:18:54,547 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 165 189) no Hoare annotation was computed. [2018-12-09 00:18:54,547 INFO L444 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 00:18:54,547 INFO L448 ceAbstractionStarter]: For program point L171-1(line 171) no Hoare annotation was computed. [2018-12-09 00:18:54,547 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 186) no Hoare annotation was computed. [2018-12-09 00:18:54,547 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 324 338) no Hoare annotation was computed. [2018-12-09 00:18:54,547 INFO L444 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-09 00:18:54,547 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 334) no Hoare annotation was computed. [2018-12-09 00:18:54,547 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 324 338) 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))))) [2018-12-09 00:18:54,547 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 324 338) no Hoare annotation was computed. [2018-12-09 00:18:54,547 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 260 268) no Hoare annotation was computed. [2018-12-09 00:18:54,547 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 260 268) the Hoare annotation is: true [2018-12-09 00:18:54,548 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 260 268) no Hoare annotation was computed. [2018-12-09 00:18:54,548 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 318) no Hoare annotation was computed. [2018-12-09 00:18:54,548 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 305 323) the Hoare annotation is: true [2018-12-09 00:18:54,548 INFO L451 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: true [2018-12-09 00:18:54,548 INFO L448 ceAbstractionStarter]: For program point L314-2(lines 314 318) no Hoare annotation was computed. [2018-12-09 00:18:54,548 INFO L448 ceAbstractionStarter]: For program point L312-1(line 312) no Hoare annotation was computed. [2018-12-09 00:18:54,548 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 305 323) no Hoare annotation was computed. [2018-12-09 00:18:54,548 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 305 323) no Hoare annotation was computed. [2018-12-09 00:18:54,548 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 354 360) no Hoare annotation was computed. [2018-12-09 00:18:54,548 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 354 360) the Hoare annotation is: true [2018-12-09 00:18:54,548 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 845 855) 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))) [2018-12-09 00:18:54,548 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 845 855) no Hoare annotation was computed. [2018-12-09 00:18:54,549 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 845 855) no Hoare annotation was computed. [2018-12-09 00:18:54,549 INFO L444 ceAbstractionStarter]: At program point L850(line 850) 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))) [2018-12-09 00:18:54,549 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 249 259) the Hoare annotation is: true [2018-12-09 00:18:54,549 INFO L451 ceAbstractionStarter]: At program point L254(line 254) the Hoare annotation is: true [2018-12-09 00:18:54,549 INFO L448 ceAbstractionStarter]: For program point L254-1(line 254) no Hoare annotation was computed. [2018-12-09 00:18:54,549 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 249 259) no Hoare annotation was computed. [2018-12-09 00:18:54,549 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 249 259) no Hoare annotation was computed. [2018-12-09 00:18:54,549 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 241 248) the Hoare annotation is: true [2018-12-09 00:18:54,549 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 241 248) no Hoare annotation was computed. [2018-12-09 00:18:54,549 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 241 248) no Hoare annotation was computed. [2018-12-09 00:18:54,549 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 191 215) no Hoare annotation was computed. [2018-12-09 00:18:54,549 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 191 215) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 00:18:54,549 INFO L444 ceAbstractionStarter]: At program point L210(line 210) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 00:18:54,549 INFO L448 ceAbstractionStarter]: For program point L210-1(lines 191 215) no Hoare annotation was computed. [2018-12-09 00:18:54,549 INFO L444 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 00:18:54,550 INFO L444 ceAbstractionStarter]: At program point L201(line 201) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 00:18:54,550 INFO L448 ceAbstractionStarter]: For program point L199(lines 199 207) no Hoare annotation was computed. [2018-12-09 00:18:54,550 INFO L444 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 00:18:54,550 INFO L448 ceAbstractionStarter]: For program point L197-1(line 197) no Hoare annotation was computed. [2018-12-09 00:18:54,550 INFO L448 ceAbstractionStarter]: For program point L195(lines 195 212) no Hoare annotation was computed. [2018-12-09 00:18:54,550 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 157 163) no Hoare annotation was computed. [2018-12-09 00:18:54,550 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 157 163) the Hoare annotation is: true [2018-12-09 00:18:54,550 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 45 110) 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))) [2018-12-09 00:18:54,550 INFO L444 ceAbstractionStarter]: At program point L93(line 93) 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))) [2018-12-09 00:18:54,550 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2018-12-09 00:18:54,551 INFO L444 ceAbstractionStarter]: At program point L91-1(lines 85 98) 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))) [2018-12-09 00:18:54,551 INFO L448 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2018-12-09 00:18:54,551 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2018-12-09 00:18:54,551 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2018-12-09 00:18:54,551 INFO L444 ceAbstractionStarter]: At program point L77(line 77) 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))) [2018-12-09 00:18:54,551 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-12-09 00:18:54,551 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2018-12-09 00:18:54,551 INFO L444 ceAbstractionStarter]: At program point L100(lines 55 102) 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))) [2018-12-09 00:18:54,551 INFO L444 ceAbstractionStarter]: At program point L67(line 67) 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))) [2018-12-09 00:18:54,551 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-12-09 00:18:54,551 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2018-12-09 00:18:54,551 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2018-12-09 00:18:54,551 INFO L444 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:18:54,552 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2018-12-09 00:18:54,552 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 960 968) no Hoare annotation was computed. [2018-12-09 00:18:54,552 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 960 968) the Hoare annotation is: true [2018-12-09 00:18:54,552 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 960 968) no Hoare annotation was computed. [2018-12-09 00:18:54,552 INFO L444 ceAbstractionStarter]: At program point L768(line 768) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-09 00:18:54,552 INFO L448 ceAbstractionStarter]: For program point L766(lines 766 772) no Hoare annotation was computed. [2018-12-09 00:18:54,552 INFO L448 ceAbstractionStarter]: For program point L765(lines 765 775) no Hoare annotation was computed. [2018-12-09 00:18:54,552 INFO L444 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 00:18:54,552 INFO L448 ceAbstractionStarter]: For program point L763-1(line 763) no Hoare annotation was computed. [2018-12-09 00:18:54,552 INFO L448 ceAbstractionStarter]: For program point L761(lines 761 778) no Hoare annotation was computed. [2018-12-09 00:18:54,552 INFO L448 ceAbstractionStarter]: For program point L761-1(lines 753 781) no Hoare annotation was computed. [2018-12-09 00:18:54,552 INFO L451 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: true [2018-12-09 00:18:54,552 INFO L448 ceAbstractionStarter]: For program point L759-1(line 759) no Hoare annotation was computed. [2018-12-09 00:18:54,552 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 753 781) the Hoare annotation is: true [2018-12-09 00:18:54,552 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 753 781) no Hoare annotation was computed. [2018-12-09 00:18:54,552 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 745 752) the Hoare annotation is: true [2018-12-09 00:18:54,552 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 745 752) no Hoare annotation was computed. [2018-12-09 00:18:54,552 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 745 752) no Hoare annotation was computed. [2018-12-09 00:18:54,553 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:18:54,553 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-09 00:18:54,553 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:18:54,553 INFO L448 ceAbstractionStarter]: For program point L911-1(lines 907 918) no Hoare annotation was computed. [2018-12-09 00:18:54,553 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 907 918) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-12-09 00:18:54,553 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 907 918) no Hoare annotation was computed. [2018-12-09 00:18:54,553 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 919 927) the Hoare annotation is: true [2018-12-09 00:18:54,553 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 919 927) no Hoare annotation was computed. [2018-12-09 00:18:54,553 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 919 927) no Hoare annotation was computed. [2018-12-09 00:18:54,553 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 784 813) no Hoare annotation was computed. [2018-12-09 00:18:54,553 INFO L448 ceAbstractionStarter]: For program point L798(lines 798 802) no Hoare annotation was computed. [2018-12-09 00:18:54,553 INFO L451 ceAbstractionStarter]: At program point L798-1(lines 798 802) the Hoare annotation is: true [2018-12-09 00:18:54,553 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 784 813) the Hoare annotation is: true [2018-12-09 00:18:54,553 INFO L448 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2018-12-09 00:18:54,553 INFO L451 ceAbstractionStarter]: At program point L794-2(lines 794 808) the Hoare annotation is: true [2018-12-09 00:18:54,553 INFO L451 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: true [2018-12-09 00:18:54,553 INFO L448 ceAbstractionStarter]: For program point L790-1(line 790) no Hoare annotation was computed. [2018-12-09 00:18:54,554 INFO L451 ceAbstractionStarter]: At program point L809(lines 784 813) the Hoare annotation is: true [2018-12-09 00:18:54,554 INFO L448 ceAbstractionStarter]: For program point L805(line 805) no Hoare annotation was computed. [2018-12-09 00:18:54,554 INFO L444 ceAbstractionStarter]: At program point L146(line 146) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 00:18:54,554 INFO L444 ceAbstractionStarter]: At program point L144(lines 144 150) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 00:18:54,554 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 133 156) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 00:18:54,554 INFO L444 ceAbstractionStarter]: At program point L139(line 139) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-09 00:18:54,554 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 133 156) no Hoare annotation was computed. [2018-12-09 00:18:54,554 INFO L448 ceAbstractionStarter]: For program point L137(lines 136 155) no Hoare annotation was computed. [2018-12-09 00:18:54,554 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 133 156) no Hoare annotation was computed. [2018-12-09 00:18:54,554 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 883 894) the Hoare annotation is: true [2018-12-09 00:18:54,554 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 883 894) no Hoare annotation was computed. [2018-12-09 00:18:54,554 INFO L448 ceAbstractionStarter]: For program point L887-1(lines 883 894) no Hoare annotation was computed. [2018-12-09 00:18:54,554 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 838 844) no Hoare annotation was computed. [2018-12-09 00:18:54,555 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 838 844) the Hoare annotation is: true [2018-12-09 00:18:54,555 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:18:54,555 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-09 00:18:54,555 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 00:18:54,555 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:18:54,555 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 895 906) no Hoare annotation was computed. [2018-12-09 00:18:54,555 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 895 906) the Hoare annotation is: true [2018-12-09 00:18:54,555 INFO L448 ceAbstractionStarter]: For program point L899-1(lines 895 906) no Hoare annotation was computed. [2018-12-09 00:18:54,555 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 116) no Hoare annotation was computed. [2018-12-09 00:18:54,555 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 112 119) no Hoare annotation was computed. [2018-12-09 00:18:54,555 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 112 119) the Hoare annotation is: true [2018-12-09 00:18:54,556 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 112 119) no Hoare annotation was computed. [2018-12-09 00:18:54,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:18:54 BoogieIcfgContainer [2018-12-09 00:18:54,565 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 00:18:54,565 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:18:54,565 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:18:54,565 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:18:54,566 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:18:52" (3/4) ... [2018-12-09 00:18:54,569 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:18:54,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 00:18:54,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 00:18:54,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 00:18:54,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 00:18:54,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 00:18:54,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 00:18:54,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 00:18:54,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 00:18:54,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 00:18:54,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 00:18:54,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 00:18:54,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 00:18:54,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 00:18:54,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 00:18:54,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 00:18:54,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-09 00:18:54,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-09 00:18:54,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 00:18:54,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 00:18:54,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 00:18:54,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 00:18:54,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 00:18:54,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 00:18:54,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 00:18:54,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 00:18:54,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 00:18:54,581 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-09 00:18:54,582 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 00:18:54,582 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 00:18:54,582 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 00:18:54,582 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 00:18:54,583 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 00:18:54,604 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 00:18:54,604 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 00:18:54,635 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a43a1cc5-baf3-4ecd-80eb-5eed979d1542/bin-2019/utaipan/witness.graphml [2018-12-09 00:18:54,635 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:18:54,636 INFO L168 Benchmark]: Toolchain (without parser) took 2599.23 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 230.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -114.4 MB). Peak memory consumption was 115.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:18:54,637 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:18:54,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -181.3 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2018-12-09 00:18:54,637 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:18:54,637 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:18:54,637 INFO L168 Benchmark]: RCFGBuilder took 294.00 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: 49.6 MB). Peak memory consumption was 49.6 MB. Max. memory is 11.5 GB. [2018-12-09 00:18:54,637 INFO L168 Benchmark]: TraceAbstraction took 1895.23 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 89.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.5 MB). Peak memory consumption was 286.0 MB. Max. memory is 11.5 GB. [2018-12-09 00:18:54,638 INFO L168 Benchmark]: Witness Printer took 70.38 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: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2018-12-09 00:18:54,639 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 295.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -181.3 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.63 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 294.00 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: 49.6 MB). Peak memory consumption was 49.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1895.23 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 89.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.5 MB). Peak memory consumption was 286.0 MB. Max. memory is 11.5 GB. * Witness Printer took 70.38 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: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 116]: 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: 54]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: 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, 143 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 726 SDtfs, 429 SDslu, 1387 SDs, 0 SdLazy, 467 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=462occurred 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, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 584 PreInvPairs, 629 NumberOfFragments, 551 HoareAnnotationTreeSize, 584 FomulaSimplifications, 397 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 61 FomulaSimplificationsInter, 2097 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 287 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 29734 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...