./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8389d57e-fbe0-4785-88a7-f68c2e47d2d9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8389d57e-fbe0-4785-88a7-f68c2e47d2d9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8389d57e-fbe0-4785-88a7-f68c2e47d2d9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8389d57e-fbe0-4785-88a7-f68c2e47d2d9/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_8389d57e-fbe0-4785-88a7-f68c2e47d2d9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8389d57e-fbe0-4785-88a7-f68c2e47d2d9/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-aa41828 [2018-11-23 08:11:07,313 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:11:07,314 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:11:07,323 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:11:07,323 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:11:07,324 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:11:07,325 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:11:07,327 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:11:07,328 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:11:07,329 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:11:07,329 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:11:07,329 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:11:07,331 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:11:07,331 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:11:07,332 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:11:07,333 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:11:07,333 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:11:07,335 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:11:07,337 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:11:07,338 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:11:07,339 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:11:07,340 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:11:07,341 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:11:07,342 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:11:07,342 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:11:07,343 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:11:07,344 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:11:07,344 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:11:07,345 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:11:07,345 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:11:07,346 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:11:07,346 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:11:07,347 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:11:07,347 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:11:07,347 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:11:07,348 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:11:07,348 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8389d57e-fbe0-4785-88a7-f68c2e47d2d9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 08:11:07,357 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:11:07,357 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:11:07,358 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:11:07,358 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 08:11:07,358 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 08:11:07,358 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 08:11:07,358 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 08:11:07,358 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 08:11:07,358 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 08:11:07,358 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 08:11:07,359 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 08:11:07,359 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 08:11:07,359 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 08:11:07,359 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:11:07,359 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:11:07,359 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:11:07,360 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:11:07,360 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:11:07,360 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:11:07,360 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:11:07,360 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:11:07,360 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:11:07,360 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:11:07,360 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:11:07,361 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:11:07,361 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:11:07,361 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:11:07,361 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:11:07,361 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 08:11:07,361 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:11:07,361 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:11:07,361 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:11:07,361 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:11:07,361 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 08:11:07,361 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:11:07,361 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:11:07,362 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 08:11:07,362 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_8389d57e-fbe0-4785-88a7-f68c2e47d2d9/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 [2018-11-23 08:11:07,385 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:11:07,394 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:11:07,397 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:11:07,398 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:11:07,399 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:11:07,399 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8389d57e-fbe0-4785-88a7-f68c2e47d2d9/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product31_true-unreach-call_false-termination.cil.c [2018-11-23 08:11:07,440 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8389d57e-fbe0-4785-88a7-f68c2e47d2d9/bin-2019/utaipan/data/ca5db69b6/a4607c391e264a49ab1ab42f01464175/FLAG1aefa806f [2018-11-23 08:11:07,892 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:11:07,893 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8389d57e-fbe0-4785-88a7-f68c2e47d2d9/sv-benchmarks/c/product-lines/minepump_spec5_product31_true-unreach-call_false-termination.cil.c [2018-11-23 08:11:07,903 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8389d57e-fbe0-4785-88a7-f68c2e47d2d9/bin-2019/utaipan/data/ca5db69b6/a4607c391e264a49ab1ab42f01464175/FLAG1aefa806f [2018-11-23 08:11:07,912 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8389d57e-fbe0-4785-88a7-f68c2e47d2d9/bin-2019/utaipan/data/ca5db69b6/a4607c391e264a49ab1ab42f01464175 [2018-11-23 08:11:07,914 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:11:07,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:11:07,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:11:07,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:11:07,917 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:11:07,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:07" (1/1) ... [2018-11-23 08:11:07,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f50e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:07, skipping insertion in model container [2018-11-23 08:11:07,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:07" (1/1) ... [2018-11-23 08:11:07,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:11:07,958 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:11:08,153 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:11:08,162 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:11:08,260 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:11:08,277 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:11:08,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:08 WrapperNode [2018-11-23 08:11:08,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:11:08,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:11:08,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:11:08,278 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:11:08,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:08" (1/1) ... [2018-11-23 08:11:08,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:08" (1/1) ... [2018-11-23 08:11:08,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:11:08,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:11:08,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:11:08,304 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:11:08,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:08" (1/1) ... [2018-11-23 08:11:08,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:08" (1/1) ... [2018-11-23 08:11:08,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:08" (1/1) ... [2018-11-23 08:11:08,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:08" (1/1) ... [2018-11-23 08:11:08,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:08" (1/1) ... [2018-11-23 08:11:08,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:08" (1/1) ... [2018-11-23 08:11:08,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:08" (1/1) ... [2018-11-23 08:11:08,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:11:08,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:11:08,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:11:08,337 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:11:08,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8389d57e-fbe0-4785-88a7-f68c2e47d2d9/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:11:08,378 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 08:11:08,378 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 08:11:08,378 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 08:11:08,378 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 08:11:08,378 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 08:11:08,378 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 08:11:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 08:11:08,379 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 08:11:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 08:11:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 08:11:08,379 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 08:11:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 08:11:08,380 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 08:11:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 08:11:08,380 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 08:11:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 08:11:08,380 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 08:11:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 08:11:08,380 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 08:11:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 08:11:08,380 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 08:11:08,381 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 08:11:08,381 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 08:11:08,381 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 08:11:08,381 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 08:11:08,381 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 08:11:08,381 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 08:11:08,381 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 08:11:08,381 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 08:11:08,381 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 08:11:08,381 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 08:11:08,381 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 08:11:08,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 08:11:08,381 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 08:11:08,381 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 08:11:08,382 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-23 08:11:08,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-23 08:11:08,382 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-23 08:11:08,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-23 08:11:08,382 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-23 08:11:08,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-23 08:11:08,382 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 08:11:08,382 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 08:11:08,383 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 08:11:08,383 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 08:11:08,383 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 08:11:08,383 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 08:11:08,383 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 08:11:08,383 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 08:11:08,383 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 08:11:08,383 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 08:11:08,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 08:11:08,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 08:11:08,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 08:11:08,384 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 08:11:08,384 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 08:11:08,384 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 08:11:08,384 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 08:11:08,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:11:08,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:11:08,847 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:11:08,847 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 08:11:08,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:08 BoogieIcfgContainer [2018-11-23 08:11:08,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:11:08,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 08:11:08,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 08:11:08,850 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 08:11:08,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:11:07" (1/3) ... [2018-11-23 08:11:08,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3365f072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:11:08, skipping insertion in model container [2018-11-23 08:11:08,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:08" (2/3) ... [2018-11-23 08:11:08,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3365f072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:11:08, skipping insertion in model container [2018-11-23 08:11:08,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:08" (3/3) ... [2018-11-23 08:11:08,853 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product31_true-unreach-call_false-termination.cil.c [2018-11-23 08:11:08,861 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 08:11:08,867 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 08:11:08,876 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 08:11:08,901 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 08:11:08,901 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 08:11:08,901 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 08:11:08,901 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:11:08,901 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:11:08,901 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 08:11:08,902 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:11:08,902 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 08:11:08,916 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2018-11-23 08:11:08,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 08:11:08,924 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:11:08,925 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:11:08,927 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:11:08,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:11:08,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1667417856, now seen corresponding path program 1 times [2018-11-23 08:11:08,934 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:11:08,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:11:08,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:11:08,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:11:08,968 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:11:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:09,125 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 08:11:09,127 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:11:09,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 08:11:09,127 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:11:09,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 08:11:09,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 08:11:09,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 08:11:09,140 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2018-11-23 08:11:09,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:11:09,169 INFO L93 Difference]: Finished difference Result 272 states and 339 transitions. [2018-11-23 08:11:09,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 08:11:09,170 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-23 08:11:09,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:11:09,181 INFO L225 Difference]: With dead ends: 272 [2018-11-23 08:11:09,181 INFO L226 Difference]: Without dead ends: 138 [2018-11-23 08:11:09,185 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 [2018-11-23 08:11:09,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-23 08:11:09,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-11-23 08:11:09,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-23 08:11:09,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 163 transitions. [2018-11-23 08:11:09,220 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 163 transitions. Word has length 59 [2018-11-23 08:11:09,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:11:09,221 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 163 transitions. [2018-11-23 08:11:09,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 08:11:09,221 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 163 transitions. [2018-11-23 08:11:09,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 08:11:09,223 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:11:09,223 INFO L402 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] [2018-11-23 08:11:09,224 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:11:09,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:11:09,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1267751948, now seen corresponding path program 1 times [2018-11-23 08:11:09,224 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:11:09,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:11:09,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:11:09,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:11:09,225 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:11:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:09,385 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 08:11:09,385 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:11:09,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 08:11:09,386 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:11:09,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:11:09,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:11:09,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:11:09,388 INFO L87 Difference]: Start difference. First operand 138 states and 163 transitions. Second operand 7 states. [2018-11-23 08:11:09,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:11:09,819 INFO L93 Difference]: Finished difference Result 423 states and 525 transitions. [2018-11-23 08:11:09,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 08:11:09,820 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-11-23 08:11:09,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:11:09,824 INFO L225 Difference]: With dead ends: 423 [2018-11-23 08:11:09,824 INFO L226 Difference]: Without dead ends: 313 [2018-11-23 08:11:09,826 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 [2018-11-23 08:11:09,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-11-23 08:11:09,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 305. [2018-11-23 08:11:09,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2018-11-23 08:11:09,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 376 transitions. [2018-11-23 08:11:09,867 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 376 transitions. Word has length 64 [2018-11-23 08:11:09,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:11:09,867 INFO L480 AbstractCegarLoop]: Abstraction has 305 states and 376 transitions. [2018-11-23 08:11:09,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:11:09,868 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 376 transitions. [2018-11-23 08:11:09,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 08:11:09,871 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:11:09,871 INFO L402 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] [2018-11-23 08:11:09,872 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:11:09,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:11:09,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1814527334, now seen corresponding path program 1 times [2018-11-23 08:11:09,872 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:11:09,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:11:09,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:11:09,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:11:09,874 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:11:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:09,985 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 08:11:09,986 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:11:09,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 08:11:09,986 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:11:09,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:11:09,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:11:09,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:11:09,987 INFO L87 Difference]: Start difference. First operand 305 states and 376 transitions. Second operand 7 states. [2018-11-23 08:11:10,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:11:10,217 INFO L93 Difference]: Finished difference Result 502 states and 647 transitions. [2018-11-23 08:11:10,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 08:11:10,218 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-11-23 08:11:10,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:11:10,219 INFO L225 Difference]: With dead ends: 502 [2018-11-23 08:11:10,219 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 08:11:10,220 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 [2018-11-23 08:11:10,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 08:11:10,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 08:11:10,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 08:11:10,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 08:11:10,221 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2018-11-23 08:11:10,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:11:10,221 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:11:10,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:11:10,222 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 08:11:10,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:11:10,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 08:11:10,922 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 968 974) the Hoare annotation is: true [2018-11-23 08:11:10,922 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 968 974) no Hoare annotation was computed. [2018-11-23 08:11:10,922 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 975 983) no Hoare annotation was computed. [2018-11-23 08:11:10,922 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 975 983) the Hoare annotation is: true [2018-11-23 08:11:10,922 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 975 983) no Hoare annotation was computed. [2018-11-23 08:11:10,923 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 902 909) the Hoare annotation is: true [2018-11-23 08:11:10,923 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 902 909) no Hoare annotation was computed. [2018-11-23 08:11:10,923 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 902 909) no Hoare annotation was computed. [2018-11-23 08:11:10,923 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 910 919) the Hoare annotation is: true [2018-11-23 08:11:10,923 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 910 919) no Hoare annotation was computed. [2018-11-23 08:11:10,923 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 910 919) no Hoare annotation was computed. [2018-11-23 08:11:10,923 INFO L448 ceAbstractionStarter]: For program point L915(line 915) no Hoare annotation was computed. [2018-11-23 08:11:10,923 INFO L448 ceAbstractionStarter]: For program point L930-1(line 930) no Hoare annotation was computed. [2018-11-23 08:11:10,923 INFO L448 ceAbstractionStarter]: For program point L928(lines 928 945) no Hoare annotation was computed. [2018-11-23 08:11:10,923 INFO L448 ceAbstractionStarter]: For program point L928-1(lines 920 948) no Hoare annotation was computed. [2018-11-23 08:11:10,923 INFO L451 ceAbstractionStarter]: At program point L926(line 926) the Hoare annotation is: true [2018-11-23 08:11:10,923 INFO L448 ceAbstractionStarter]: For program point L926-1(line 926) no Hoare annotation was computed. [2018-11-23 08:11:10,923 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 920 948) the Hoare annotation is: true [2018-11-23 08:11:10,923 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 920 948) no Hoare annotation was computed. [2018-11-23 08:11:10,923 INFO L444 ceAbstractionStarter]: At program point L935(line 935) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-23 08:11:10,923 INFO L448 ceAbstractionStarter]: For program point L933(lines 933 939) no Hoare annotation was computed. [2018-11-23 08:11:10,924 INFO L448 ceAbstractionStarter]: For program point L932(lines 932 942) no Hoare annotation was computed. [2018-11-23 08:11:10,924 INFO L451 ceAbstractionStarter]: At program point L930(line 930) the Hoare annotation is: true [2018-11-23 08:11:10,924 INFO L444 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))) [2018-11-23 08:11:10,924 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 511 533) no Hoare annotation was computed. [2018-11-23 08:11:10,924 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 511 533) no Hoare annotation was computed. [2018-11-23 08:11:10,924 INFO L444 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))) [2018-11-23 08:11:10,924 INFO L444 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))) [2018-11-23 08:11:10,924 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 528) no Hoare annotation was computed. [2018-11-23 08:11:10,924 INFO L448 ceAbstractionStarter]: For program point L521-1(lines 521 528) no Hoare annotation was computed. [2018-11-23 08:11:10,924 INFO L448 ceAbstractionStarter]: For program point L519(line 519) no Hoare annotation was computed. [2018-11-23 08:11:10,924 INFO L444 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))) [2018-11-23 08:11:10,924 INFO L444 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))) [2018-11-23 08:11:10,924 INFO L444 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))) [2018-11-23 08:11:10,924 INFO L444 ceAbstractionStarter]: At program point L188(line 188) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-23 08:11:10,924 INFO L448 ceAbstractionStarter]: For program point L188-1(lines 169 193) no Hoare annotation was computed. [2018-11-23 08:11:10,925 INFO L444 ceAbstractionStarter]: At program point L183(line 183) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 08:11:10,925 INFO L444 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 08:11:10,925 INFO L448 ceAbstractionStarter]: For program point L177(lines 177 185) no Hoare annotation was computed. [2018-11-23 08:11:10,925 INFO L444 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)) [2018-11-23 08:11:10,925 INFO L444 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 08:11:10,925 INFO L448 ceAbstractionStarter]: For program point L175-1(line 175) no Hoare annotation was computed. [2018-11-23 08:11:10,925 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 190) no Hoare annotation was computed. [2018-11-23 08:11:10,925 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 169 193) no Hoare annotation was computed. [2018-11-23 08:11:10,925 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 328 342) no Hoare annotation was computed. [2018-11-23 08:11:10,925 INFO L444 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-23 08:11:10,925 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 338) no Hoare annotation was computed. [2018-11-23 08:11:10,925 INFO L444 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))))) [2018-11-23 08:11:10,925 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 328 342) no Hoare annotation was computed. [2018-11-23 08:11:10,925 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 264 272) no Hoare annotation was computed. [2018-11-23 08:11:10,925 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 264 272) the Hoare annotation is: true [2018-11-23 08:11:10,925 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 264 272) no Hoare annotation was computed. [2018-11-23 08:11:10,925 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 322) no Hoare annotation was computed. [2018-11-23 08:11:10,926 INFO L451 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: true [2018-11-23 08:11:10,926 INFO L448 ceAbstractionStarter]: For program point L318-2(lines 318 322) no Hoare annotation was computed. [2018-11-23 08:11:10,926 INFO L448 ceAbstractionStarter]: For program point L316-1(line 316) no Hoare annotation was computed. [2018-11-23 08:11:10,926 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 309 327) the Hoare annotation is: true [2018-11-23 08:11:10,926 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 309 327) no Hoare annotation was computed. [2018-11-23 08:11:10,926 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 309 327) no Hoare annotation was computed. [2018-11-23 08:11:10,926 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 961 967) no Hoare annotation was computed. [2018-11-23 08:11:10,926 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 961 967) the Hoare annotation is: true [2018-11-23 08:11:10,926 INFO L444 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))) [2018-11-23 08:11:10,926 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 497 507) no Hoare annotation was computed. [2018-11-23 08:11:10,926 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 497 507) no Hoare annotation was computed. [2018-11-23 08:11:10,926 INFO L444 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))) [2018-11-23 08:11:10,926 INFO L448 ceAbstractionStarter]: For program point L258-1(line 258) no Hoare annotation was computed. [2018-11-23 08:11:10,926 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 253 263) the Hoare annotation is: true [2018-11-23 08:11:10,926 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 253 263) no Hoare annotation was computed. [2018-11-23 08:11:10,926 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 253 263) no Hoare annotation was computed. [2018-11-23 08:11:10,926 INFO L451 ceAbstractionStarter]: At program point L258(line 258) the Hoare annotation is: true [2018-11-23 08:11:10,926 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 245 252) the Hoare annotation is: true [2018-11-23 08:11:10,926 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 245 252) no Hoare annotation was computed. [2018-11-23 08:11:10,927 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 245 252) no Hoare annotation was computed. [2018-11-23 08:11:10,927 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 195 219) no Hoare annotation was computed. [2018-11-23 08:11:10,927 INFO L444 ceAbstractionStarter]: At program point L214(line 214) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-23 08:11:10,927 INFO L448 ceAbstractionStarter]: For program point L214-1(lines 195 219) no Hoare annotation was computed. [2018-11-23 08:11:10,927 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 195 219) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-23 08:11:10,927 INFO L444 ceAbstractionStarter]: At program point L209(line 209) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 08:11:10,927 INFO L444 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 08:11:10,927 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 211) no Hoare annotation was computed. [2018-11-23 08:11:10,927 INFO L444 ceAbstractionStarter]: At program point L201(line 201) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 08:11:10,927 INFO L448 ceAbstractionStarter]: For program point L201-1(line 201) no Hoare annotation was computed. [2018-11-23 08:11:10,927 INFO L448 ceAbstractionStarter]: For program point L199(lines 199 216) no Hoare annotation was computed. [2018-11-23 08:11:10,927 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 161 167) no Hoare annotation was computed. [2018-11-23 08:11:10,927 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 161 167) the Hoare annotation is: true [2018-11-23 08:11:10,927 INFO L444 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))) [2018-11-23 08:11:10,927 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 54 119) no Hoare annotation was computed. [2018-11-23 08:11:10,927 INFO L444 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))) [2018-11-23 08:11:10,928 INFO L444 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))) [2018-11-23 08:11:10,928 INFO L448 ceAbstractionStarter]: For program point L100(lines 100 106) no Hoare annotation was computed. [2018-11-23 08:11:10,928 INFO L444 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))) [2018-11-23 08:11:10,928 INFO L448 ceAbstractionStarter]: For program point L65(lines 64 111) no Hoare annotation was computed. [2018-11-23 08:11:10,928 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 107) no Hoare annotation was computed. [2018-11-23 08:11:10,928 INFO L444 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))) [2018-11-23 08:11:10,928 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 90) no Hoare annotation was computed. [2018-11-23 08:11:10,928 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2018-11-23 08:11:10,928 INFO L444 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))) [2018-11-23 08:11:10,928 INFO L444 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))) [2018-11-23 08:11:10,928 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2018-11-23 08:11:10,928 INFO L448 ceAbstractionStarter]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2018-11-23 08:11:10,928 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 54 119) no Hoare annotation was computed. [2018-11-23 08:11:10,928 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 70) no Hoare annotation was computed. [2018-11-23 08:11:10,928 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 424 432) no Hoare annotation was computed. [2018-11-23 08:11:10,928 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 424 432) the Hoare annotation is: true [2018-11-23 08:11:10,929 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 424 432) no Hoare annotation was computed. [2018-11-23 08:11:10,929 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:11:10,929 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-23 08:11:10,929 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:11:10,929 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 415 423) the Hoare annotation is: true [2018-11-23 08:11:10,929 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 415 423) no Hoare annotation was computed. [2018-11-23 08:11:10,929 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 415 423) no Hoare annotation was computed. [2018-11-23 08:11:10,929 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 371 382) the Hoare annotation is: true [2018-11-23 08:11:10,929 INFO L448 ceAbstractionStarter]: For program point L375-1(lines 371 382) no Hoare annotation was computed. [2018-11-23 08:11:10,929 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 371 382) no Hoare annotation was computed. [2018-11-23 08:11:10,930 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 383 391) the Hoare annotation is: true [2018-11-23 08:11:10,930 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 383 391) no Hoare annotation was computed. [2018-11-23 08:11:10,930 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 383 391) no Hoare annotation was computed. [2018-11-23 08:11:10,930 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 453) no Hoare annotation was computed. [2018-11-23 08:11:10,930 INFO L444 ceAbstractionStarter]: At program point L449-1(lines 449 453) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-23 08:11:10,930 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 435 464) no Hoare annotation was computed. [2018-11-23 08:11:10,930 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-23 08:11:10,930 INFO L444 ceAbstractionStarter]: At program point cleanupENTRY(lines 435 464) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-23 08:11:10,930 INFO L444 ceAbstractionStarter]: At program point L445-2(lines 445 459) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-23 08:11:10,930 INFO L444 ceAbstractionStarter]: At program point L441(line 441) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-23 08:11:10,931 INFO L448 ceAbstractionStarter]: For program point L441-1(line 441) no Hoare annotation was computed. [2018-11-23 08:11:10,931 INFO L451 ceAbstractionStarter]: At program point L460(lines 435 464) the Hoare annotation is: true [2018-11-23 08:11:10,931 INFO L448 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2018-11-23 08:11:10,931 INFO L444 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)))) [2018-11-23 08:11:10,931 INFO L444 ceAbstractionStarter]: At program point L148(lines 148 154) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-23 08:11:10,931 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 134 160) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-23 08:11:10,931 INFO L444 ceAbstractionStarter]: At program point L143(line 143) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-23 08:11:10,931 INFO L448 ceAbstractionStarter]: For program point L141(lines 137 159) no Hoare annotation was computed. [2018-11-23 08:11:10,931 INFO L448 ceAbstractionStarter]: For program point L139(lines 137 159) no Hoare annotation was computed. [2018-11-23 08:11:10,931 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 134 160) no Hoare annotation was computed. [2018-11-23 08:11:10,931 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 134 160) no Hoare annotation was computed. [2018-11-23 08:11:10,932 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 347 358) the Hoare annotation is: true [2018-11-23 08:11:10,932 INFO L448 ceAbstractionStarter]: For program point L351-1(lines 347 358) no Hoare annotation was computed. [2018-11-23 08:11:10,932 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 347 358) no Hoare annotation was computed. [2018-11-23 08:11:10,932 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 489 495) no Hoare annotation was computed. [2018-11-23 08:11:10,932 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 489 495) the Hoare annotation is: true [2018-11-23 08:11:10,932 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:11:10,932 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-23 08:11:10,932 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:11:10,932 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:11:10,932 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 359 370) no Hoare annotation was computed. [2018-11-23 08:11:10,932 INFO L448 ceAbstractionStarter]: For program point L363-1(lines 359 370) no Hoare annotation was computed. [2018-11-23 08:11:10,933 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 359 370) the Hoare annotation is: true [2018-11-23 08:11:10,933 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-23 08:11:10,933 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-23 08:11:10,933 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-23 08:11:10,933 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-23 08:11:10,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:11:10 BoogieIcfgContainer [2018-11-23 08:11:10,943 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 08:11:10,943 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:11:10,943 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:11:10,943 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:11:10,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:08" (3/4) ... [2018-11-23 08:11:10,947 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:11:10,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 08:11:10,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 08:11:10,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-23 08:11:10,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-23 08:11:10,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-23 08:11:10,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 08:11:10,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 08:11:10,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 08:11:10,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 08:11:10,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 08:11:10,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 08:11:10,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 08:11:10,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 08:11:10,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 08:11:10,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 08:11:10,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 08:11:10,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 08:11:10,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 08:11:10,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 08:11:10,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 08:11:10,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 08:11:10,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 08:11:10,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 08:11:10,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 08:11:10,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 08:11:10,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 08:11:10,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 08:11:10,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 08:11:10,962 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-23 08:11:10,962 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 08:11:10,962 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 08:11:10,963 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 08:11:10,963 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 08:11:10,963 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 08:11:10,964 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 08:11:10,984 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || 0 == pumpRunning) || !(\old(systemActive) == 1) [2018-11-23 08:11:10,984 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || 0 == pumpRunning) || !(\old(systemActive) == 1) [2018-11-23 08:11:10,984 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || 0 == pumpRunning [2018-11-23 08:11:11,016 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8389d57e-fbe0-4785-88a7-f68c2e47d2d9/bin-2019/utaipan/witness.graphml [2018-11-23 08:11:11,017 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:11:11,017 INFO L168 Benchmark]: Toolchain (without parser) took 3103.31 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 223.3 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -191.0 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-23 08:11:11,018 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:11:11,019 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -169.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:11:11,019 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:11:11,019 INFO L168 Benchmark]: Boogie Preprocessor took 32.41 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. [2018-11-23 08:11:11,019 INFO L168 Benchmark]: RCFGBuilder took 510.82 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: 60.2 MB). Peak memory consumption was 60.2 MB. Max. memory is 11.5 GB. [2018-11-23 08:11:11,020 INFO L168 Benchmark]: TraceAbstraction took 2095.11 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 82.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -95.8 MB). Peak memory consumption was 268.9 MB. Max. memory is 11.5 GB. [2018-11-23 08:11:11,020 INFO L168 Benchmark]: Witness Printer took 73.53 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2018-11-23 08:11:11,021 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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 362.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -169.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.49 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 32.41 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 510.82 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: 60.2 MB). Peak memory consumption was 60.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2095.11 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 82.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -95.8 MB). Peak memory consumption was 268.9 MB. Max. memory is 11.5 GB. * Witness Printer took 73.53 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 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: 445]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || 0 == pumpRunning - 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) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 151 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 477 SDtfs, 379 SDslu, 863 SDs, 0 SdLazy, 459 SolverSat, 87 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=305occurred 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, 0.1s HoareSimplificationTime, 63 FomulaSimplificationsInter, 1123 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 193 NumberOfCodeBlocks, 193 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 190 ConstructedInterpolants, 0 QuantifiedInterpolants, 22489 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...