./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product31_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_08a3cfca-2f65-49e2-a6d4-ee9e9e8de7ae/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_08a3cfca-2f65-49e2-a6d4-ee9e9e8de7ae/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_08a3cfca-2f65-49e2-a6d4-ee9e9e8de7ae/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_08a3cfca-2f65-49e2-a6d4-ee9e9e8de7ae/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product31_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_08a3cfca-2f65-49e2-a6d4-ee9e9e8de7ae/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_08a3cfca-2f65-49e2-a6d4-ee9e9e8de7ae/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 da2e8e53e912f927b31c5ec5b3242bf77257bb80 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:52:27,973 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:52:27,974 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:52:27,988 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:52:27,989 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:52:27,991 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:52:27,994 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:52:27,995 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:52:27,998 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:52:28,001 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:52:28,003 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:52:28,004 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:52:28,005 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:52:28,007 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:52:28,014 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:52:28,015 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:52:28,016 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:52:28,017 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:52:28,018 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:52:28,022 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:52:28,023 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:52:28,024 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:52:28,025 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:52:28,027 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:52:28,028 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:52:28,028 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:52:28,029 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:52:28,030 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:52:28,030 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:52:28,034 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:52:28,034 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:52:28,035 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:52:28,035 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:52:28,035 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:52:28,036 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:52:28,036 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:52:28,037 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_08a3cfca-2f65-49e2-a6d4-ee9e9e8de7ae/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 20:52:28,052 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:52:28,052 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:52:28,053 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:52:28,053 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 20:52:28,053 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 20:52:28,053 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 20:52:28,053 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 20:52:28,054 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 20:52:28,054 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 20:52:28,054 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 20:52:28,054 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 20:52:28,055 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:52:28,055 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:52:28,057 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:52:28,057 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:52:28,057 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:52:28,057 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:52:28,057 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:52:28,058 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:52:28,058 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:52:28,058 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:52:28,058 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:52:28,058 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:52:28,058 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:52:28,058 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:52:28,059 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:52:28,059 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:52:28,059 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:52:28,059 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:52:28,059 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:52:28,059 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 20:52:28,060 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:52:28,060 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:52:28,060 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 20:52:28,060 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_08a3cfca-2f65-49e2-a6d4-ee9e9e8de7ae/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 -> da2e8e53e912f927b31c5ec5b3242bf77257bb80 [2018-10-26 20:52:28,106 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:52:28,121 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:52:28,125 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:52:28,127 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:52:28,127 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:52:28,128 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_08a3cfca-2f65-49e2-a6d4-ee9e9e8de7ae/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product31_true-unreach-call_false-termination.cil.c [2018-10-26 20:52:28,184 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08a3cfca-2f65-49e2-a6d4-ee9e9e8de7ae/bin-2019/utaipan/data/04f73bd3f/6ebc3ea933004bbe9d2aa3f8da66ed4a/FLAGe9ca5b72f [2018-10-26 20:52:28,634 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:52:28,635 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_08a3cfca-2f65-49e2-a6d4-ee9e9e8de7ae/sv-benchmarks/c/product-lines/minepump_spec5_product31_true-unreach-call_false-termination.cil.c [2018-10-26 20:52:28,647 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08a3cfca-2f65-49e2-a6d4-ee9e9e8de7ae/bin-2019/utaipan/data/04f73bd3f/6ebc3ea933004bbe9d2aa3f8da66ed4a/FLAGe9ca5b72f [2018-10-26 20:52:28,662 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_08a3cfca-2f65-49e2-a6d4-ee9e9e8de7ae/bin-2019/utaipan/data/04f73bd3f/6ebc3ea933004bbe9d2aa3f8da66ed4a [2018-10-26 20:52:28,665 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:52:28,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:52:28,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:52:28,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:52:28,670 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:52:28,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:52:28" (1/1) ... [2018-10-26 20:52:28,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2316549c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:28, skipping insertion in model container [2018-10-26 20:52:28,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:52:28" (1/1) ... [2018-10-26 20:52:28,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:52:28,731 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:52:28,989 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:52:28,998 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:52:29,089 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:52:29,128 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:52:29,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:29 WrapperNode [2018-10-26 20:52:29,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:52:29,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:52:29,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:52:29,130 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:52:29,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:29" (1/1) ... [2018-10-26 20:52:29,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:29" (1/1) ... [2018-10-26 20:52:29,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:52:29,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:52:29,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:52:29,282 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:52:29,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:29" (1/1) ... [2018-10-26 20:52:29,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:29" (1/1) ... [2018-10-26 20:52:29,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:29" (1/1) ... [2018-10-26 20:52:29,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:29" (1/1) ... [2018-10-26 20:52:29,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:29" (1/1) ... [2018-10-26 20:52:29,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:29" (1/1) ... [2018-10-26 20:52:29,325 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:29" (1/1) ... [2018-10-26 20:52:29,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:52:29,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:52:29,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:52:29,329 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:52:29,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08a3cfca-2f65-49e2-a6d4-ee9e9e8de7ae/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 [2018-10-26 20:52:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-26 20:52:29,413 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-26 20:52:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 20:52:29,413 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 20:52:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-10-26 20:52:29,414 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-10-26 20:52:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-10-26 20:52:29,414 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-10-26 20:52:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-26 20:52:29,414 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-26 20:52:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-26 20:52:29,414 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-26 20:52:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 20:52:29,414 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 20:52:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-26 20:52:29,415 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-26 20:52:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-10-26 20:52:29,415 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-10-26 20:52:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-10-26 20:52:29,415 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-10-26 20:52:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 20:52:29,415 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 20:52:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 20:52:29,415 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 20:52:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 20:52:29,416 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 20:52:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-26 20:52:29,416 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-26 20:52:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 20:52:29,416 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 20:52:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-26 20:52:29,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-26 20:52:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-26 20:52:29,417 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-26 20:52:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-10-26 20:52:29,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-10-26 20:52:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-10-26 20:52:29,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-10-26 20:52:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-10-26 20:52:29,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-10-26 20:52:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-10-26 20:52:29,417 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-10-26 20:52:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-26 20:52:29,418 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-26 20:52:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-26 20:52:29,418 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-26 20:52:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-10-26 20:52:29,418 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-10-26 20:52:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 20:52:29,418 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 20:52:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 20:52:29,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 20:52:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 20:52:29,419 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 20:52:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:52:29,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:52:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-26 20:52:29,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-26 20:52:30,577 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:52:30,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:52:30 BoogieIcfgContainer [2018-10-26 20:52:30,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:52:30,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 20:52:30,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 20:52:30,586 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 20:52:30,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:52:28" (1/3) ... [2018-10-26 20:52:30,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bae6446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:52:30, skipping insertion in model container [2018-10-26 20:52:30,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:29" (2/3) ... [2018-10-26 20:52:30,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bae6446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:52:30, skipping insertion in model container [2018-10-26 20:52:30,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:52:30" (3/3) ... [2018-10-26 20:52:30,590 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product31_true-unreach-call_false-termination.cil.c [2018-10-26 20:52:30,601 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 20:52:30,610 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 20:52:30,625 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 20:52:30,658 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 20:52:30,658 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 20:52:30,658 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 20:52:30,659 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 20:52:30,659 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 20:52:30,660 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 20:52:30,660 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 20:52:30,660 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 20:52:30,681 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2018-10-26 20:52:30,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-26 20:52:30,689 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:52:30,690 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:52:30,693 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:52:30,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:52:30,699 INFO L82 PathProgramCache]: Analyzing trace with hash -809808380, now seen corresponding path program 1 times [2018-10-26 20:52:30,702 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:52:30,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:52:30,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:52:30,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:52:30,739 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:52:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:30,969 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 20:52:30,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:52:30,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 20:52:30,972 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:52:30,977 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 20:52:30,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 20:52:30,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 20:52:30,993 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2018-10-26 20:52:31,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:52:31,030 INFO L93 Difference]: Finished difference Result 276 states and 343 transitions. [2018-10-26 20:52:31,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 20:52:31,031 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-10-26 20:52:31,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:52:31,043 INFO L225 Difference]: With dead ends: 276 [2018-10-26 20:52:31,043 INFO L226 Difference]: Without dead ends: 140 [2018-10-26 20:52:31,047 INFO L605 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 [2018-10-26 20:52:31,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-10-26 20:52:31,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-10-26 20:52:31,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-10-26 20:52:31,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 165 transitions. [2018-10-26 20:52:31,102 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 165 transitions. Word has length 59 [2018-10-26 20:52:31,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:52:31,102 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 165 transitions. [2018-10-26 20:52:31,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 20:52:31,102 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 165 transitions. [2018-10-26 20:52:31,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 20:52:31,105 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:52:31,106 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:52:31,106 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:52:31,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:52:31,106 INFO L82 PathProgramCache]: Analyzing trace with hash -531089892, now seen corresponding path program 1 times [2018-10-26 20:52:31,106 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:52:31,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:52:31,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:52:31,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:52:31,109 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:52:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:31,477 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 20:52:31,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:52:31,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:52:31,478 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:52:31,480 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:52:31,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:52:31,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:52:31,481 INFO L87 Difference]: Start difference. First operand 140 states and 165 transitions. Second operand 7 states. [2018-10-26 20:52:33,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:52:33,052 INFO L93 Difference]: Finished difference Result 431 states and 533 transitions. [2018-10-26 20:52:33,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 20:52:33,053 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-10-26 20:52:33,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:52:33,057 INFO L225 Difference]: With dead ends: 431 [2018-10-26 20:52:33,058 INFO L226 Difference]: Without dead ends: 319 [2018-10-26 20:52:33,060 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-26 20:52:33,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2018-10-26 20:52:33,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 311. [2018-10-26 20:52:33,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2018-10-26 20:52:33,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 382 transitions. [2018-10-26 20:52:33,109 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 382 transitions. Word has length 65 [2018-10-26 20:52:33,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:52:33,110 INFO L481 AbstractCegarLoop]: Abstraction has 311 states and 382 transitions. [2018-10-26 20:52:33,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:52:33,110 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 382 transitions. [2018-10-26 20:52:33,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-26 20:52:33,115 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:52:33,115 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:52:33,115 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:52:33,116 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:52:33,116 INFO L82 PathProgramCache]: Analyzing trace with hash -256564531, now seen corresponding path program 1 times [2018-10-26 20:52:33,116 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:52:33,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:52:33,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:52:33,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:52:33,118 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:52:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:33,310 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 20:52:33,311 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:52:33,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:52:33,311 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:52:33,312 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:52:33,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:52:33,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:52:33,313 INFO L87 Difference]: Start difference. First operand 311 states and 382 transitions. Second operand 7 states. [2018-10-26 20:52:34,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:52:34,215 INFO L93 Difference]: Finished difference Result 514 states and 659 transitions. [2018-10-26 20:52:34,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 20:52:34,216 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 71 [2018-10-26 20:52:34,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:52:34,217 INFO L225 Difference]: With dead ends: 514 [2018-10-26 20:52:34,217 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 20:52:34,221 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-10-26 20:52:34,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 20:52:34,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 20:52:34,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 20:52:34,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 20:52:34,228 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2018-10-26 20:52:34,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:52:34,228 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 20:52:34,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:52:34,228 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 20:52:34,229 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 20:52:34,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 20:52:34,925 WARN L179 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 9 [2018-10-26 20:52:35,051 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 1 [2018-10-26 20:52:35,353 WARN L179 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-10-26 20:52:35,464 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 1 [2018-10-26 20:52:35,573 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 1 [2018-10-26 20:52:35,848 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2018-10-26 20:52:36,428 WARN L179 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-10-26 20:52:36,565 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 968 974) the Hoare annotation is: true [2018-10-26 20:52:36,565 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 968 974) no Hoare annotation was computed. [2018-10-26 20:52:36,565 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 975 983) no Hoare annotation was computed. [2018-10-26 20:52:36,565 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 975 983) the Hoare annotation is: true [2018-10-26 20:52:36,565 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 975 983) no Hoare annotation was computed. [2018-10-26 20:52:36,565 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 902 909) the Hoare annotation is: true [2018-10-26 20:52:36,565 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 902 909) no Hoare annotation was computed. [2018-10-26 20:52:36,565 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 902 909) no Hoare annotation was computed. [2018-10-26 20:52:36,566 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 910 919) the Hoare annotation is: true [2018-10-26 20:52:36,566 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 910 919) no Hoare annotation was computed. [2018-10-26 20:52:36,566 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 910 919) no Hoare annotation was computed. [2018-10-26 20:52:36,566 INFO L425 ceAbstractionStarter]: For program point L915(line 915) no Hoare annotation was computed. [2018-10-26 20:52:36,566 INFO L425 ceAbstractionStarter]: For program point L930-1(line 930) no Hoare annotation was computed. [2018-10-26 20:52:36,566 INFO L425 ceAbstractionStarter]: For program point L928(lines 928 945) no Hoare annotation was computed. [2018-10-26 20:52:36,566 INFO L425 ceAbstractionStarter]: For program point L928-1(lines 920 948) no Hoare annotation was computed. [2018-10-26 20:52:36,566 INFO L428 ceAbstractionStarter]: At program point L926(line 926) the Hoare annotation is: true [2018-10-26 20:52:36,566 INFO L425 ceAbstractionStarter]: For program point L926-1(line 926) no Hoare annotation was computed. [2018-10-26 20:52:36,567 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 920 948) the Hoare annotation is: true [2018-10-26 20:52:36,567 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 920 948) no Hoare annotation was computed. [2018-10-26 20:52:36,567 INFO L421 ceAbstractionStarter]: At program point L935(line 935) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-10-26 20:52:36,567 INFO L425 ceAbstractionStarter]: For program point L933(lines 933 939) no Hoare annotation was computed. [2018-10-26 20:52:36,567 INFO L425 ceAbstractionStarter]: For program point L932(lines 932 942) no Hoare annotation was computed. [2018-10-26 20:52:36,567 INFO L428 ceAbstractionStarter]: At program point L930(line 930) the Hoare annotation is: true [2018-10-26 20:52:36,567 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 511 533) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 20:52:36,567 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 511 533) no Hoare annotation was computed. [2018-10-26 20:52:36,568 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 511 533) no Hoare annotation was computed. [2018-10-26 20:52:36,568 INFO L421 ceAbstractionStarter]: At program point L523(line 523) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1))) [2018-10-26 20:52:36,568 INFO L421 ceAbstractionStarter]: At program point L523-1(line 523) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1))) [2018-10-26 20:52:36,568 INFO L425 ceAbstractionStarter]: For program point L521(lines 521 528) no Hoare annotation was computed. [2018-10-26 20:52:36,568 INFO L425 ceAbstractionStarter]: For program point L521-1(lines 521 528) no Hoare annotation was computed. [2018-10-26 20:52:36,568 INFO L425 ceAbstractionStarter]: For program point L519(line 519) no Hoare annotation was computed. [2018-10-26 20:52:36,568 INFO L421 ceAbstractionStarter]: At program point L518(line 518) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 20:52:36,569 INFO L421 ceAbstractionStarter]: At program point L517(line 517) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 20:52:36,569 INFO L421 ceAbstractionStarter]: At program point L517-1(line 517) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 20:52:36,569 INFO L421 ceAbstractionStarter]: At program point L188(line 188) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-10-26 20:52:36,569 INFO L425 ceAbstractionStarter]: For program point L188-1(lines 169 193) no Hoare annotation was computed. [2018-10-26 20:52:36,569 INFO L421 ceAbstractionStarter]: At program point L183(line 183) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-26 20:52:36,569 INFO L421 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-26 20:52:36,569 INFO L425 ceAbstractionStarter]: For program point L177(lines 177 185) no Hoare annotation was computed. [2018-10-26 20:52:36,570 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 169 193) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-10-26 20:52:36,570 INFO L421 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-26 20:52:36,570 INFO L425 ceAbstractionStarter]: For program point L175-1(line 175) no Hoare annotation was computed. [2018-10-26 20:52:36,570 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 190) no Hoare annotation was computed. [2018-10-26 20:52:36,570 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 169 193) no Hoare annotation was computed. [2018-10-26 20:52:36,570 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 328 342) no Hoare annotation was computed. [2018-10-26 20:52:36,570 INFO L421 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-10-26 20:52:36,570 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 338) no Hoare annotation was computed. [2018-10-26 20:52:36,571 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 328 342) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= 0 ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-10-26 20:52:36,571 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 328 342) no Hoare annotation was computed. [2018-10-26 20:52:36,571 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 264 272) no Hoare annotation was computed. [2018-10-26 20:52:36,571 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 264 272) the Hoare annotation is: true [2018-10-26 20:52:36,571 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 264 272) no Hoare annotation was computed. [2018-10-26 20:52:36,571 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 322) no Hoare annotation was computed. [2018-10-26 20:52:36,571 INFO L428 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: true [2018-10-26 20:52:36,571 INFO L425 ceAbstractionStarter]: For program point L318-2(lines 318 322) no Hoare annotation was computed. [2018-10-26 20:52:36,571 INFO L425 ceAbstractionStarter]: For program point L316-1(line 316) no Hoare annotation was computed. [2018-10-26 20:52:36,572 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 309 327) the Hoare annotation is: true [2018-10-26 20:52:36,572 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 309 327) no Hoare annotation was computed. [2018-10-26 20:52:36,572 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 309 327) no Hoare annotation was computed. [2018-10-26 20:52:36,572 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 961 967) no Hoare annotation was computed. [2018-10-26 20:52:36,572 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 961 967) the Hoare annotation is: true [2018-10-26 20:52:36,572 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 497 507) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 20:52:36,572 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 497 507) no Hoare annotation was computed. [2018-10-26 20:52:36,572 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 497 507) no Hoare annotation was computed. [2018-10-26 20:52:36,573 INFO L421 ceAbstractionStarter]: At program point L502(line 502) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 20:52:36,573 INFO L425 ceAbstractionStarter]: For program point L258-1(line 258) no Hoare annotation was computed. [2018-10-26 20:52:36,573 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 253 263) the Hoare annotation is: true [2018-10-26 20:52:36,573 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 253 263) no Hoare annotation was computed. [2018-10-26 20:52:36,573 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 253 263) no Hoare annotation was computed. [2018-10-26 20:52:36,573 INFO L428 ceAbstractionStarter]: At program point L258(line 258) the Hoare annotation is: true [2018-10-26 20:52:36,573 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 245 252) the Hoare annotation is: true [2018-10-26 20:52:36,574 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 245 252) no Hoare annotation was computed. [2018-10-26 20:52:36,574 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 245 252) no Hoare annotation was computed. [2018-10-26 20:52:36,574 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 195 219) no Hoare annotation was computed. [2018-10-26 20:52:36,574 INFO L421 ceAbstractionStarter]: At program point L214(line 214) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-10-26 20:52:36,574 INFO L425 ceAbstractionStarter]: For program point L214-1(lines 195 219) no Hoare annotation was computed. [2018-10-26 20:52:36,574 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 195 219) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-10-26 20:52:36,574 INFO L421 ceAbstractionStarter]: At program point L209(line 209) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-26 20:52:36,575 INFO L421 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-26 20:52:36,575 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 211) no Hoare annotation was computed. [2018-10-26 20:52:36,575 INFO L421 ceAbstractionStarter]: At program point L201(line 201) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-26 20:52:36,575 INFO L425 ceAbstractionStarter]: For program point L201-1(line 201) no Hoare annotation was computed. [2018-10-26 20:52:36,575 INFO L425 ceAbstractionStarter]: For program point L199(lines 199 216) no Hoare annotation was computed. [2018-10-26 20:52:36,575 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 161 167) no Hoare annotation was computed. [2018-10-26 20:52:36,575 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 161 167) the Hoare annotation is: true [2018-10-26 20:52:36,575 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 54 119) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 20:52:36,576 INFO L425 ceAbstractionStarter]: For program point L64-1(lines 64 111) no Hoare annotation was computed. [2018-10-26 20:52:36,576 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 54 119) no Hoare annotation was computed. [2018-10-26 20:52:36,576 INFO L421 ceAbstractionStarter]: At program point L112(lines 63 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= |old(~systemActive~0)| 1))) [2018-10-26 20:52:36,576 INFO L421 ceAbstractionStarter]: At program point L102(line 102) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= |old(~systemActive~0)| 1))) [2018-10-26 20:52:36,576 INFO L425 ceAbstractionStarter]: For program point L100(lines 100 106) no Hoare annotation was computed. [2018-10-26 20:52:36,576 INFO L421 ceAbstractionStarter]: At program point L100-1(lines 94 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= |old(~systemActive~0)| 1))) [2018-10-26 20:52:36,576 INFO L425 ceAbstractionStarter]: For program point L65(lines 64 111) no Hoare annotation was computed. [2018-10-26 20:52:36,577 INFO L425 ceAbstractionStarter]: For program point L94(lines 94 107) no Hoare annotation was computed. [2018-10-26 20:52:36,577 INFO L421 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= |old(~systemActive~0)| 1))) [2018-10-26 20:52:36,577 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 90) no Hoare annotation was computed. [2018-10-26 20:52:36,577 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2018-10-26 20:52:36,577 INFO L421 ceAbstractionStarter]: At program point L109(lines 64 111) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= |old(~systemActive~0)| 1))) [2018-10-26 20:52:36,577 INFO L421 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= |old(~systemActive~0)| 1))) [2018-10-26 20:52:36,577 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2018-10-26 20:52:36,577 INFO L425 ceAbstractionStarter]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2018-10-26 20:52:36,578 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 54 119) no Hoare annotation was computed. [2018-10-26 20:52:36,578 INFO L425 ceAbstractionStarter]: For program point L66(lines 66 70) no Hoare annotation was computed. [2018-10-26 20:52:36,578 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 424 432) no Hoare annotation was computed. [2018-10-26 20:52:36,578 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 424 432) the Hoare annotation is: true [2018-10-26 20:52:36,578 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 424 432) no Hoare annotation was computed. [2018-10-26 20:52:36,578 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 20:52:36,578 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-10-26 20:52:36,578 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 20:52:36,578 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 415 423) the Hoare annotation is: true [2018-10-26 20:52:36,579 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 415 423) no Hoare annotation was computed. [2018-10-26 20:52:36,579 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 415 423) no Hoare annotation was computed. [2018-10-26 20:52:36,579 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 371 382) the Hoare annotation is: true [2018-10-26 20:52:36,579 INFO L425 ceAbstractionStarter]: For program point L375-1(lines 371 382) no Hoare annotation was computed. [2018-10-26 20:52:36,579 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 371 382) no Hoare annotation was computed. [2018-10-26 20:52:36,579 INFO L421 ceAbstractionStarter]: At program point L150(line 150) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-10-26 20:52:36,579 INFO L421 ceAbstractionStarter]: At program point L148(lines 148 154) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-10-26 20:52:36,580 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 134 160) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-10-26 20:52:36,580 INFO L421 ceAbstractionStarter]: At program point L143(line 143) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-10-26 20:52:36,580 INFO L425 ceAbstractionStarter]: For program point L141(lines 137 159) no Hoare annotation was computed. [2018-10-26 20:52:36,580 INFO L425 ceAbstractionStarter]: For program point L139(lines 137 159) no Hoare annotation was computed. [2018-10-26 20:52:36,580 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 134 160) no Hoare annotation was computed. [2018-10-26 20:52:36,580 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 134 160) no Hoare annotation was computed. [2018-10-26 20:52:36,580 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 435 464) no Hoare annotation was computed. [2018-10-26 20:52:36,580 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-10-26 20:52:36,580 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 453) no Hoare annotation was computed. [2018-10-26 20:52:36,581 INFO L421 ceAbstractionStarter]: At program point L449-1(lines 449 453) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-10-26 20:52:36,581 INFO L421 ceAbstractionStarter]: At program point cleanupENTRY(lines 435 464) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-10-26 20:52:36,581 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 445 459) no Hoare annotation was computed. [2018-10-26 20:52:36,581 INFO L421 ceAbstractionStarter]: At program point L445-3(lines 445 459) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-10-26 20:52:36,581 INFO L421 ceAbstractionStarter]: At program point L441(line 441) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-10-26 20:52:36,581 INFO L425 ceAbstractionStarter]: For program point L441-1(line 441) no Hoare annotation was computed. [2018-10-26 20:52:36,581 INFO L428 ceAbstractionStarter]: At program point L460(lines 435 464) the Hoare annotation is: true [2018-10-26 20:52:36,581 INFO L425 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2018-10-26 20:52:36,582 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 383 391) the Hoare annotation is: true [2018-10-26 20:52:36,582 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 383 391) no Hoare annotation was computed. [2018-10-26 20:52:36,582 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 383 391) no Hoare annotation was computed. [2018-10-26 20:52:36,582 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 347 358) the Hoare annotation is: true [2018-10-26 20:52:36,582 INFO L425 ceAbstractionStarter]: For program point L351-1(lines 347 358) no Hoare annotation was computed. [2018-10-26 20:52:36,582 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 347 358) no Hoare annotation was computed. [2018-10-26 20:52:36,582 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 20:52:36,582 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-10-26 20:52:36,583 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 20:52:36,583 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 20:52:36,583 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 489 495) no Hoare annotation was computed. [2018-10-26 20:52:36,583 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 489 495) the Hoare annotation is: true [2018-10-26 20:52:36,583 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 359 370) no Hoare annotation was computed. [2018-10-26 20:52:36,583 INFO L425 ceAbstractionStarter]: For program point L363-1(lines 359 370) no Hoare annotation was computed. [2018-10-26 20:52:36,583 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 359 370) the Hoare annotation is: true [2018-10-26 20:52:36,583 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-10-26 20:52:36,584 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-10-26 20:52:36,584 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-10-26 20:52:36,584 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-10-26 20:52:36,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:52:36 BoogieIcfgContainer [2018-10-26 20:52:36,596 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 20:52:36,596 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:52:36,596 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:52:36,596 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:52:36,597 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:52:30" (3/4) ... [2018-10-26 20:52:36,614 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 20:52:36,631 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-26 20:52:36,631 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-26 20:52:36,631 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-10-26 20:52:36,631 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-10-26 20:52:36,631 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-10-26 20:52:36,631 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 20:52:36,631 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-10-26 20:52:36,632 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-10-26 20:52:36,632 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-26 20:52:36,632 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-10-26 20:52:36,632 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-26 20:52:36,639 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-26 20:52:36,639 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-10-26 20:52:36,639 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 20:52:36,639 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-26 20:52:36,640 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 20:52:36,640 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-26 20:52:36,640 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-10-26 20:52:36,640 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 20:52:36,640 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-10-26 20:52:36,640 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 20:52:36,640 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 20:52:36,640 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 20:52:36,641 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 20:52:36,641 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-26 20:52:36,641 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-26 20:52:36,641 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 20:52:36,641 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-26 20:52:36,652 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 139 nodes and edges [2018-10-26 20:52:36,653 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 20:52:36,653 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-26 20:52:36,695 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || 0 == pumpRunning) || !(\old(systemActive) == 1) [2018-10-26 20:52:36,696 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || 0 == pumpRunning) || !(\old(systemActive) == 1) [2018-10-26 20:52:36,696 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || 0 == pumpRunning [2018-10-26 20:52:36,785 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_08a3cfca-2f65-49e2-a6d4-ee9e9e8de7ae/bin-2019/utaipan/witness.graphml [2018-10-26 20:52:36,785 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:52:36,786 INFO L168 Benchmark]: Toolchain (without parser) took 8121.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.7 MB). Free memory was 953.1 MB in the beginning and 1.1 GB in the end (delta: -141.2 MB). Peak memory consumption was 57.5 MB. Max. memory is 11.5 GB. [2018-10-26 20:52:36,788 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:52:36,788 INFO L168 Benchmark]: CACSL2BoogieTranslator took 462.14 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 926.2 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-10-26 20:52:36,789 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 926.2 MB in the beginning and 1.1 GB in the end (delta: -194.3 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:52:36,789 INFO L168 Benchmark]: Boogie Preprocessor took 48.67 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:52:36,790 INFO L168 Benchmark]: RCFGBuilder took 1248.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 92.3 MB). Peak memory consumption was 92.3 MB. Max. memory is 11.5 GB. [2018-10-26 20:52:36,790 INFO L168 Benchmark]: TraceAbstraction took 6017.41 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -84.3 MB). Peak memory consumption was 253.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:52:36,790 INFO L168 Benchmark]: Witness Printer took 189.36 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: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:52:36,792 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 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 462.14 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 926.2 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 150.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 926.2 MB in the beginning and 1.1 GB in the end (delta: -194.3 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.67 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1248.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 92.3 MB). Peak memory consumption was 92.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6017.41 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -84.3 MB). Peak memory consumption was 253.1 MB. Max. memory is 11.5 GB. * Witness Printer took 189.36 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: 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: 44]: 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: 63]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || 0 == pumpRunning) || !(\old(systemActive) == 1) - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || 0 == pumpRunning) || !(\old(systemActive) == 1) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || 0 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 153 locations, 1 error locations. SAFE Result, 5.9s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 483 SDtfs, 385 SDslu, 881 SDs, 0 SdLazy, 459 SolverSat, 87 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=311occurred in iteration=2, 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, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 390 PreInvPairs, 444 NumberOfFragments, 455 HoareAnnotationTreeSize, 390 FomulaSimplifications, 192 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 63 FomulaSimplificationsInter, 1123 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 23244 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...