./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product24_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_50cb76f9-fd28-4fa7-8078-91013ad0496f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_50cb76f9-fd28-4fa7-8078-91013ad0496f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_50cb76f9-fd28-4fa7-8078-91013ad0496f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_50cb76f9-fd28-4fa7-8078-91013ad0496f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product24_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_50cb76f9-fd28-4fa7-8078-91013ad0496f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_50cb76f9-fd28-4fa7-8078-91013ad0496f/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 19e7916b57c61379c1750277bd4e75aabb7fe031 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:53:27,979 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:53:27,981 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:53:27,990 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:53:27,991 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:53:27,993 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:53:27,995 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:53:27,997 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:53:27,998 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:53:28,000 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:53:28,002 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:53:28,002 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:53:28,003 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:53:28,005 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:53:28,006 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:53:28,011 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:53:28,013 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:53:28,015 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:53:28,018 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:53:28,021 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:53:28,022 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:53:28,025 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:53:28,026 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:53:28,026 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:53:28,027 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:53:28,027 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:53:28,028 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:53:28,028 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:53:28,029 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:53:28,032 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:53:28,033 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:53:28,034 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:53:28,034 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:53:28,034 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:53:28,035 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:53:28,035 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:53:28,035 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_50cb76f9-fd28-4fa7-8078-91013ad0496f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 16:53:28,051 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:53:28,052 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:53:28,053 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:53:28,054 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:53:28,054 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:53:28,054 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:53:28,054 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:53:28,054 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 16:53:28,054 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:53:28,055 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:53:28,055 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 16:53:28,055 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 16:53:28,055 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:53:28,055 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:53:28,056 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:53:28,056 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:53:28,056 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:53:28,056 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:53:28,056 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:53:28,056 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:53:28,056 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:53:28,057 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:53:28,057 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:53:28,057 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:53:28,057 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:53:28,061 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:53:28,061 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:53:28,061 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:53:28,061 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:53:28,061 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:53:28,062 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:53:28,062 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:53:28,062 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:53:28,062 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 16:53:28,062 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:53:28,062 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:53:28,062 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 16:53:28,063 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_50cb76f9-fd28-4fa7-8078-91013ad0496f/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 -> 19e7916b57c61379c1750277bd4e75aabb7fe031 [2018-11-18 16:53:28,096 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:53:28,106 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:53:28,109 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:53:28,112 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:53:28,113 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:53:28,113 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_50cb76f9-fd28-4fa7-8078-91013ad0496f/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product24_true-unreach-call_false-termination.cil.c [2018-11-18 16:53:28,160 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_50cb76f9-fd28-4fa7-8078-91013ad0496f/bin-2019/utaipan/data/52a3d8898/409a2868b84b451982523d75a5870548/FLAGfcaedf3f9 [2018-11-18 16:53:28,535 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:53:28,535 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_50cb76f9-fd28-4fa7-8078-91013ad0496f/sv-benchmarks/c/product-lines/minepump_spec4_product24_true-unreach-call_false-termination.cil.c [2018-11-18 16:53:28,543 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_50cb76f9-fd28-4fa7-8078-91013ad0496f/bin-2019/utaipan/data/52a3d8898/409a2868b84b451982523d75a5870548/FLAGfcaedf3f9 [2018-11-18 16:53:28,928 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_50cb76f9-fd28-4fa7-8078-91013ad0496f/bin-2019/utaipan/data/52a3d8898/409a2868b84b451982523d75a5870548 [2018-11-18 16:53:28,930 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:53:28,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:53:28,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:53:28,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:53:28,934 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:53:28,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:53:28" (1/1) ... [2018-11-18 16:53:28,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b8e2235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:28, skipping insertion in model container [2018-11-18 16:53:28,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:53:28" (1/1) ... [2018-11-18 16:53:28,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:53:28,974 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:53:29,205 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:53:29,217 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:53:29,377 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:53:29,398 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:53:29,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:29 WrapperNode [2018-11-18 16:53:29,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:53:29,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:53:29,399 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:53:29,400 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:53:29,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:29" (1/1) ... [2018-11-18 16:53:29,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:29" (1/1) ... [2018-11-18 16:53:29,428 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:53:29,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:53:29,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:53:29,429 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:53:29,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:29" (1/1) ... [2018-11-18 16:53:29,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:29" (1/1) ... [2018-11-18 16:53:29,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:29" (1/1) ... [2018-11-18 16:53:29,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:29" (1/1) ... [2018-11-18 16:53:29,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:29" (1/1) ... [2018-11-18 16:53:29,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:29" (1/1) ... [2018-11-18 16:53:29,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:29" (1/1) ... [2018-11-18 16:53:29,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:53:29,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:53:29,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:53:29,457 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:53:29,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_50cb76f9-fd28-4fa7-8078-91013ad0496f/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:53:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 16:53:29,515 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 16:53:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-18 16:53:29,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-18 16:53:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:53:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:53:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 16:53:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 16:53:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 16:53:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 16:53:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:53:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 16:53:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 16:53:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 16:53:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 16:53:29,517 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 16:53:29,517 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 16:53:29,517 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 16:53:29,517 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 16:53:29,518 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 16:53:29,518 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 16:53:29,518 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 16:53:29,518 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 16:53:29,519 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 16:53:29,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 16:53:29,519 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 16:53:29,519 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 16:53:29,519 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 16:53:29,519 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 16:53:29,519 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 16:53:29,519 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 16:53:29,519 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 16:53:29,519 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 16:53:29,520 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 16:53:29,520 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 16:53:29,520 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 16:53:29,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 16:53:29,520 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 16:53:29,520 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 16:53:29,520 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 16:53:29,520 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 16:53:29,520 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 16:53:29,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 16:53:29,521 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 16:53:29,521 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 16:53:29,521 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 16:53:29,521 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 16:53:29,521 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 16:53:29,521 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 16:53:29,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:53:29,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:53:29,521 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 16:53:29,522 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 16:53:29,522 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 16:53:29,522 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 16:53:29,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:53:29,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:53:30,173 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:53:30,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:53:30 BoogieIcfgContainer [2018-11-18 16:53:30,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:53:30,179 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:53:30,179 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:53:30,181 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:53:30,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:53:28" (1/3) ... [2018-11-18 16:53:30,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2001da6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:53:30, skipping insertion in model container [2018-11-18 16:53:30,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:29" (2/3) ... [2018-11-18 16:53:30,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2001da6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:53:30, skipping insertion in model container [2018-11-18 16:53:30,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:53:30" (3/3) ... [2018-11-18 16:53:30,184 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product24_true-unreach-call_false-termination.cil.c [2018-11-18 16:53:30,193 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:53:30,199 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:53:30,212 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:53:30,237 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:53:30,237 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:53:30,237 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:53:30,238 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:53:30,238 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:53:30,238 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:53:30,238 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:53:30,238 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:53:30,254 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2018-11-18 16:53:30,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 16:53:30,261 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:53:30,261 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:53:30,271 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:53:30,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:53:30,276 INFO L82 PathProgramCache]: Analyzing trace with hash 484247418, now seen corresponding path program 1 times [2018-11-18 16:53:30,278 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:53:30,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:30,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:53:30,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:30,318 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:53:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:53:30,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:53:30,501 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:53:30,501 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 16:53:30,501 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:53:30,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 16:53:30,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 16:53:30,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:53:30,518 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2018-11-18 16:53:30,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:53:30,549 INFO L93 Difference]: Finished difference Result 268 states and 331 transitions. [2018-11-18 16:53:30,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 16:53:30,550 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 16:53:30,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:53:30,560 INFO L225 Difference]: With dead ends: 268 [2018-11-18 16:53:30,561 INFO L226 Difference]: Without dead ends: 134 [2018-11-18 16:53:30,564 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:53:30,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-18 16:53:30,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-11-18 16:53:30,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-18 16:53:30,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 157 transitions. [2018-11-18 16:53:30,605 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 157 transitions. Word has length 46 [2018-11-18 16:53:30,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:53:30,605 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 157 transitions. [2018-11-18 16:53:30,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 16:53:30,605 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 157 transitions. [2018-11-18 16:53:30,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 16:53:30,607 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:53:30,607 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:53:30,608 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:53:30,608 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:53:30,608 INFO L82 PathProgramCache]: Analyzing trace with hash -728277470, now seen corresponding path program 1 times [2018-11-18 16:53:30,608 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:53:30,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:30,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:53:30,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:30,609 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:53:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:53:30,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:53:30,707 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:53:30,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:53:30,708 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:53:30,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:53:30,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:53:30,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:53:30,709 INFO L87 Difference]: Start difference. First operand 134 states and 157 transitions. Second operand 3 states. [2018-11-18 16:53:30,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:53:30,738 INFO L93 Difference]: Finished difference Result 205 states and 239 transitions. [2018-11-18 16:53:30,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:53:30,739 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 16:53:30,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:53:30,740 INFO L225 Difference]: With dead ends: 205 [2018-11-18 16:53:30,741 INFO L226 Difference]: Without dead ends: 124 [2018-11-18 16:53:30,742 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:53:30,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-11-18 16:53:30,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-11-18 16:53:30,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-11-18 16:53:30,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2018-11-18 16:53:30,753 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 48 [2018-11-18 16:53:30,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:53:30,753 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2018-11-18 16:53:30,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:53:30,753 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2018-11-18 16:53:30,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 16:53:30,755 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:53:30,755 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:53:30,755 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:53:30,755 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:53:30,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1346829763, now seen corresponding path program 1 times [2018-11-18 16:53:30,755 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:53:30,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:30,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:53:30,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:30,756 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:53:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:53:30,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:53:30,921 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:53:30,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:53:30,921 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:53:30,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:53:30,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:53:30,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:53:30,922 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 7 states. [2018-11-18 16:53:31,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:53:31,727 INFO L93 Difference]: Finished difference Result 375 states and 453 transitions. [2018-11-18 16:53:31,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:53:31,727 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-18 16:53:31,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:53:31,729 INFO L225 Difference]: With dead ends: 375 [2018-11-18 16:53:31,729 INFO L226 Difference]: Without dead ends: 275 [2018-11-18 16:53:31,730 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:53:31,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2018-11-18 16:53:31,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 263. [2018-11-18 16:53:31,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2018-11-18 16:53:31,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 317 transitions. [2018-11-18 16:53:31,761 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 317 transitions. Word has length 53 [2018-11-18 16:53:31,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:53:31,761 INFO L480 AbstractCegarLoop]: Abstraction has 263 states and 317 transitions. [2018-11-18 16:53:31,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:53:31,761 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 317 transitions. [2018-11-18 16:53:31,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 16:53:31,763 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:53:31,764 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:53:31,764 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:53:31,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:53:31,764 INFO L82 PathProgramCache]: Analyzing trace with hash -296926954, now seen corresponding path program 1 times [2018-11-18 16:53:31,764 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:53:31,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:31,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:53:31,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:31,765 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:53:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:53:31,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:53:31,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:53:31,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 16:53:31,949 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:53:31,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 16:53:31,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 16:53:31,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:53:31,950 INFO L87 Difference]: Start difference. First operand 263 states and 317 transitions. Second operand 10 states. [2018-11-18 16:53:32,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:53:32,497 INFO L93 Difference]: Finished difference Result 932 states and 1187 transitions. [2018-11-18 16:53:32,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 16:53:32,501 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2018-11-18 16:53:32,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:53:32,506 INFO L225 Difference]: With dead ends: 932 [2018-11-18 16:53:32,506 INFO L226 Difference]: Without dead ends: 693 [2018-11-18 16:53:32,509 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-18 16:53:32,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2018-11-18 16:53:32,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 681. [2018-11-18 16:53:32,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 681 states. [2018-11-18 16:53:32,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 841 transitions. [2018-11-18 16:53:32,564 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 841 transitions. Word has length 58 [2018-11-18 16:53:32,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:53:32,565 INFO L480 AbstractCegarLoop]: Abstraction has 681 states and 841 transitions. [2018-11-18 16:53:32,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 16:53:32,565 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 841 transitions. [2018-11-18 16:53:32,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 16:53:32,568 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:53:32,569 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:53:32,569 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:53:32,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:53:32,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1007143004, now seen corresponding path program 1 times [2018-11-18 16:53:32,569 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:53:32,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:32,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:53:32,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:32,571 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:53:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:53:32,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:53:32,754 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:53:32,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 16:53:32,754 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:53:32,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 16:53:32,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 16:53:32,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 16:53:32,755 INFO L87 Difference]: Start difference. First operand 681 states and 841 transitions. Second operand 4 states. [2018-11-18 16:53:32,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:53:32,943 INFO L93 Difference]: Finished difference Result 1104 states and 1402 transitions. [2018-11-18 16:53:32,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 16:53:32,945 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2018-11-18 16:53:32,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:53:32,947 INFO L225 Difference]: With dead ends: 1104 [2018-11-18 16:53:32,947 INFO L226 Difference]: Without dead ends: 447 [2018-11-18 16:53:32,949 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:53:32,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2018-11-18 16:53:32,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 435. [2018-11-18 16:53:32,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2018-11-18 16:53:32,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 497 transitions. [2018-11-18 16:53:32,970 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 497 transitions. Word has length 62 [2018-11-18 16:53:32,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:53:32,971 INFO L480 AbstractCegarLoop]: Abstraction has 435 states and 497 transitions. [2018-11-18 16:53:32,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 16:53:32,971 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 497 transitions. [2018-11-18 16:53:32,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 16:53:32,973 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:53:32,973 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 16:53:32,974 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:53:32,974 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:53:32,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1028281177, now seen corresponding path program 1 times [2018-11-18 16:53:32,974 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:53:32,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:32,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:53:32,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:32,975 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:53:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:53:33,441 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 16:53:33,442 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:53:33,442 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:53:33,443 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 92 with the following transitions: [2018-11-18 16:53:33,444 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [42], [44], [45], [46], [47], [59], [88], [92], [98], [102], [106], [109], [114], [120], [122], [128], [131], [134], [144], [145], [146], [147], [162], [169], [172], [207], [215], [219], [220], [242], [243], [244], [245], [246], [248], [249], [250], [251], [252], [253], [254], [255], [256], [262], [274], [275], [280], [281], [282], [283], [290], [291], [296], [297], [298] [2018-11-18 16:53:33,474 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:53:33,474 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:53:33,929 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 16:53:33,931 INFO L272 AbstractInterpreter]: Visited 60 different actions 72 times. Merged at 7 different actions 7 times. Never widened. Performed 2886 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2886 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 133 variables. [2018-11-18 16:53:33,982 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:53:33,982 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 16:53:34,337 INFO L227 lantSequenceWeakener]: Weakened 81 states. On average, predicates are now at 97.71% of their original sizes. [2018-11-18 16:53:34,337 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 16:53:34,801 INFO L415 sIntCurrentIteration]: We unified 90 AI predicates to 90 [2018-11-18 16:53:34,801 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 16:53:34,801 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:53:34,802 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [7] total 24 [2018-11-18 16:53:34,802 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:53:34,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 16:53:34,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 16:53:34,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2018-11-18 16:53:34,803 INFO L87 Difference]: Start difference. First operand 435 states and 497 transitions. Second operand 19 states. [2018-11-18 16:53:39,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:53:39,072 INFO L93 Difference]: Finished difference Result 598 states and 695 transitions. [2018-11-18 16:53:39,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-18 16:53:39,072 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 91 [2018-11-18 16:53:39,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:53:39,072 INFO L225 Difference]: With dead ends: 598 [2018-11-18 16:53:39,072 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:53:39,073 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 101 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=158, Invalid=712, Unknown=0, NotChecked=0, Total=870 [2018-11-18 16:53:39,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:53:39,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:53:39,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:53:39,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:53:39,074 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2018-11-18 16:53:39,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:53:39,074 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:53:39,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 16:53:39,075 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:53:39,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:53:39,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:53:39,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:53:39,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:53:39,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:53:39,534 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 22 [2018-11-18 16:53:40,853 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 1 [2018-11-18 16:53:41,053 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 925 931) the Hoare annotation is: true [2018-11-18 16:53:41,053 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 925 931) no Hoare annotation was computed. [2018-11-18 16:53:41,054 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 932 940) no Hoare annotation was computed. [2018-11-18 16:53:41,054 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 932 940) the Hoare annotation is: true [2018-11-18 16:53:41,054 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 932 940) no Hoare annotation was computed. [2018-11-18 16:53:41,054 INFO L421 ceAbstractionStarter]: At program point L895(line 895) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 16:53:41,054 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 881 905) the Hoare annotation is: true [2018-11-18 16:53:41,054 INFO L425 ceAbstractionStarter]: For program point L893(lines 893 899) no Hoare annotation was computed. [2018-11-18 16:53:41,054 INFO L421 ceAbstractionStarter]: At program point L891(line 891) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 16:53:41,054 INFO L425 ceAbstractionStarter]: For program point L891-1(line 891) no Hoare annotation was computed. [2018-11-18 16:53:41,054 INFO L425 ceAbstractionStarter]: For program point L889(lines 889 902) no Hoare annotation was computed. [2018-11-18 16:53:41,054 INFO L425 ceAbstractionStarter]: For program point L889-1(lines 881 905) no Hoare annotation was computed. [2018-11-18 16:53:41,055 INFO L428 ceAbstractionStarter]: At program point L887(line 887) the Hoare annotation is: true [2018-11-18 16:53:41,055 INFO L425 ceAbstractionStarter]: For program point L887-1(line 887) no Hoare annotation was computed. [2018-11-18 16:53:41,055 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 881 905) no Hoare annotation was computed. [2018-11-18 16:53:41,055 INFO L425 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-18 16:53:41,055 INFO L425 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-18 16:53:41,055 INFO L421 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:53:41,055 INFO L421 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:53:41,055 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:53:41,055 INFO L421 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:53:41,055 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-18 16:53:41,055 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-18 16:53:41,056 INFO L421 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:53:41,056 INFO L421 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:53:41,056 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-18 16:53:41,056 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 766 780) no Hoare annotation was computed. [2018-11-18 16:53:41,056 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 766 780) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (= ~systemActive~0 1)) (.cse4 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5) (or (not (= |old(~systemActive~0)| 0)) .cse1 (= ~systemActive~0 0) .cse3) (or .cse1 .cse5 .cse3) (or (or .cse1 .cse2) .cse0 .cse4))) [2018-11-18 16:53:41,056 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 766 780) no Hoare annotation was computed. [2018-11-18 16:53:41,056 INFO L421 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~waterLevel~0 2))) (or .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 16:53:41,056 INFO L425 ceAbstractionStarter]: For program point L770(lines 770 776) no Hoare annotation was computed. [2018-11-18 16:53:41,056 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 702 710) no Hoare annotation was computed. [2018-11-18 16:53:41,056 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 702 710) the Hoare annotation is: true [2018-11-18 16:53:41,056 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 702 710) no Hoare annotation was computed. [2018-11-18 16:53:41,057 INFO L425 ceAbstractionStarter]: For program point L754-1(line 754) no Hoare annotation was computed. [2018-11-18 16:53:41,057 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 747 765) the Hoare annotation is: true [2018-11-18 16:53:41,057 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 747 765) no Hoare annotation was computed. [2018-11-18 16:53:41,057 INFO L425 ceAbstractionStarter]: For program point L756(lines 756 760) no Hoare annotation was computed. [2018-11-18 16:53:41,057 INFO L428 ceAbstractionStarter]: At program point L754(line 754) the Hoare annotation is: true [2018-11-18 16:53:41,057 INFO L425 ceAbstractionStarter]: For program point L756-2(lines 756 760) no Hoare annotation was computed. [2018-11-18 16:53:41,057 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 747 765) no Hoare annotation was computed. [2018-11-18 16:53:41,057 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 918 924) no Hoare annotation was computed. [2018-11-18 16:53:41,057 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 918 924) the Hoare annotation is: true [2018-11-18 16:53:41,057 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:53:41,057 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-18 16:53:41,057 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-18 16:53:41,057 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 691 701) the Hoare annotation is: true [2018-11-18 16:53:41,058 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 691 701) no Hoare annotation was computed. [2018-11-18 16:53:41,058 INFO L428 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-11-18 16:53:41,058 INFO L425 ceAbstractionStarter]: For program point L696-1(line 696) no Hoare annotation was computed. [2018-11-18 16:53:41,058 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 691 701) no Hoare annotation was computed. [2018-11-18 16:53:41,058 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 683 690) the Hoare annotation is: true [2018-11-18 16:53:41,058 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 683 690) no Hoare annotation was computed. [2018-11-18 16:53:41,058 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 683 690) no Hoare annotation was computed. [2018-11-18 16:53:41,058 INFO L421 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 16:53:41,058 INFO L425 ceAbstractionStarter]: For program point L669-1(lines 650 674) no Hoare annotation was computed. [2018-11-18 16:53:41,058 INFO L421 ceAbstractionStarter]: At program point L664(line 664) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 16:53:41,059 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 650 674) no Hoare annotation was computed. [2018-11-18 16:53:41,059 INFO L421 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 16:53:41,059 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 650 674) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 16:53:41,059 INFO L425 ceAbstractionStarter]: For program point L658(lines 658 666) no Hoare annotation was computed. [2018-11-18 16:53:41,059 INFO L421 ceAbstractionStarter]: At program point L656(line 656) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 16:53:41,059 INFO L425 ceAbstractionStarter]: For program point L656-1(line 656) no Hoare annotation was computed. [2018-11-18 16:53:41,059 INFO L425 ceAbstractionStarter]: For program point L654(lines 654 671) no Hoare annotation was computed. [2018-11-18 16:53:41,059 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 616 622) no Hoare annotation was computed. [2018-11-18 16:53:41,059 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 616 622) the Hoare annotation is: true [2018-11-18 16:53:41,059 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 512 579) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:53:41,059 INFO L421 ceAbstractionStarter]: At program point L572(lines 521 573) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:53:41,060 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 512 579) no Hoare annotation was computed. [2018-11-18 16:53:41,060 INFO L421 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 16:53:41,060 INFO L425 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2018-11-18 16:53:41,060 INFO L421 ceAbstractionStarter]: At program point L560-1(lines 552 567) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 16:53:41,060 INFO L425 ceAbstractionStarter]: For program point L523(lines 522 571) no Hoare annotation was computed. [2018-11-18 16:53:41,060 INFO L421 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: (let ((.cse1 (= test_~splverifierCounter~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 2) .cse0 .cse1) (and (= ~waterLevel~0 1) .cse1 .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 16:53:41,060 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 567) no Hoare annotation was computed. [2018-11-18 16:53:41,060 INFO L421 ceAbstractionStarter]: At program point L544(line 544) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 16:53:41,060 INFO L425 ceAbstractionStarter]: For program point L542(lines 542 548) no Hoare annotation was computed. [2018-11-18 16:53:41,060 INFO L425 ceAbstractionStarter]: For program point L542-1(lines 542 548) no Hoare annotation was computed. [2018-11-18 16:53:41,061 INFO L421 ceAbstractionStarter]: At program point L569(lines 522 571) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 16:53:41,061 INFO L421 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (or (= ~waterLevel~0 1) (= ~waterLevel~0 2)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:53:41,061 INFO L425 ceAbstractionStarter]: For program point L532(lines 532 538) no Hoare annotation was computed. [2018-11-18 16:53:41,061 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 532 538) no Hoare annotation was computed. [2018-11-18 16:53:41,061 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 528) no Hoare annotation was computed. [2018-11-18 16:53:41,061 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 522 571) no Hoare annotation was computed. [2018-11-18 16:53:41,061 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 512 579) no Hoare annotation was computed. [2018-11-18 16:53:41,061 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 870 878) no Hoare annotation was computed. [2018-11-18 16:53:41,061 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 870 878) the Hoare annotation is: true [2018-11-18 16:53:41,061 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 870 878) no Hoare annotation was computed. [2018-11-18 16:53:41,061 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:53:41,061 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 16:53:41,061 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:53:41,061 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 861 869) the Hoare annotation is: true [2018-11-18 16:53:41,062 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 861 869) no Hoare annotation was computed. [2018-11-18 16:53:41,062 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 861 869) no Hoare annotation was computed. [2018-11-18 16:53:41,062 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 817 828) the Hoare annotation is: true [2018-11-18 16:53:41,062 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 817 828) no Hoare annotation was computed. [2018-11-18 16:53:41,062 INFO L425 ceAbstractionStarter]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2018-11-18 16:53:41,062 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 829 837) the Hoare annotation is: true [2018-11-18 16:53:41,062 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 829 837) no Hoare annotation was computed. [2018-11-18 16:53:41,062 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 829 837) no Hoare annotation was computed. [2018-11-18 16:53:41,062 INFO L421 ceAbstractionStarter]: At program point L605(line 605) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and (= ~waterLevel~0 1) .cse0 .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse2 (and .cse0 (= ~waterLevel~0 2) .cse1) (not (= |old(~waterLevel~0)| 2))))) [2018-11-18 16:53:41,062 INFO L421 ceAbstractionStarter]: At program point L603(lines 603 609) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse1)) (or .cse0 (not (= |old(~waterLevel~0)| 2)) (and (= ~waterLevel~0 2) .cse1)))) [2018-11-18 16:53:41,062 INFO L421 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= |old(~waterLevel~0)| 2))))) [2018-11-18 16:53:41,062 INFO L425 ceAbstractionStarter]: For program point L596(lines 595 614) no Hoare annotation was computed. [2018-11-18 16:53:41,063 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 592 615) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse1)) (or .cse0 (not (= |old(~waterLevel~0)| 2)) (and (= ~waterLevel~0 2) .cse1)))) [2018-11-18 16:53:41,063 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 592 615) no Hoare annotation was computed. [2018-11-18 16:53:41,063 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 592 615) no Hoare annotation was computed. [2018-11-18 16:53:41,063 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-18 16:53:41,063 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-18 16:53:41,063 INFO L428 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-18 16:53:41,063 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 66) no Hoare annotation was computed. [2018-11-18 16:53:41,063 INFO L428 ceAbstractionStarter]: At program point L52-3(lines 52 66) the Hoare annotation is: true [2018-11-18 16:53:41,063 INFO L428 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-18 16:53:41,063 INFO L425 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-18 16:53:41,063 INFO L428 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-18 16:53:41,063 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-18 16:53:41,063 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-18 16:53:41,063 INFO L425 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-18 16:53:41,064 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 793 804) the Hoare annotation is: true [2018-11-18 16:53:41,064 INFO L425 ceAbstractionStarter]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2018-11-18 16:53:41,064 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 793 804) no Hoare annotation was computed. [2018-11-18 16:53:41,064 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-18 16:53:41,064 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-18 16:53:41,064 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:53:41,064 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 16:53:41,064 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:53:41,064 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:53:41,064 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 781 788) no Hoare annotation was computed. [2018-11-18 16:53:41,064 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 781 788) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~systemActive~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse3 (not (= ~waterLevel~0 2)))) (and (or (or .cse0 .cse1) .cse2 (not (= ~waterLevel~0 1))) (or .cse0 (not (= |old(~systemActive~0)| 0)) (= ~systemActive~0 0) .cse3) (or .cse0 .cse2 .cse1 .cse3))) [2018-11-18 16:53:41,064 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 781 788) no Hoare annotation was computed. [2018-11-18 16:53:41,064 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 805 816) no Hoare annotation was computed. [2018-11-18 16:53:41,064 INFO L425 ceAbstractionStarter]: For program point L809-1(lines 805 816) no Hoare annotation was computed. [2018-11-18 16:53:41,065 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 805 816) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= ~waterLevel~0 2) (not (= |old(~waterLevel~0)| 2))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2018-11-18 16:53:41,065 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 942 949) no Hoare annotation was computed. [2018-11-18 16:53:41,065 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 946) no Hoare annotation was computed. [2018-11-18 16:53:41,065 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 942 949) the Hoare annotation is: true [2018-11-18 16:53:41,065 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 942 949) no Hoare annotation was computed. [2018-11-18 16:53:41,065 INFO L421 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 16:53:41,065 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 624 648) no Hoare annotation was computed. [2018-11-18 16:53:41,065 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 624 648) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 16:53:41,065 INFO L421 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 16:53:41,065 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 640) no Hoare annotation was computed. [2018-11-18 16:53:41,066 INFO L421 ceAbstractionStarter]: At program point L630(line 630) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 16:53:41,066 INFO L425 ceAbstractionStarter]: For program point L630-1(line 630) no Hoare annotation was computed. [2018-11-18 16:53:41,066 INFO L425 ceAbstractionStarter]: For program point L628(lines 628 645) no Hoare annotation was computed. [2018-11-18 16:53:41,066 INFO L421 ceAbstractionStarter]: At program point L643(line 643) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 16:53:41,066 INFO L425 ceAbstractionStarter]: For program point L643-1(lines 624 648) no Hoare annotation was computed. [2018-11-18 16:53:41,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:53:41 BoogieIcfgContainer [2018-11-18 16:53:41,075 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:53:41,076 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:53:41,076 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:53:41,076 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:53:41,076 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:53:30" (3/4) ... [2018-11-18 16:53:41,079 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:53:41,083 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 16:53:41,084 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 16:53:41,084 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-18 16:53:41,084 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:53:41,084 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 16:53:41,084 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 16:53:41,084 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 16:53:41,084 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 16:53:41,084 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 16:53:41,084 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 16:53:41,084 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 16:53:41,084 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 16:53:41,084 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 16:53:41,084 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 16:53:41,085 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 16:53:41,085 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:53:41,085 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 16:53:41,085 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 16:53:41,085 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 16:53:41,085 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 16:53:41,085 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 16:53:41,085 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 16:53:41,085 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 16:53:41,085 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 16:53:41,086 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 16:53:41,086 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 16:53:41,086 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 16:53:41,091 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-11-18 16:53:41,092 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 16:53:41,092 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 16:53:41,108 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((waterLevel == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || ((waterLevel == 2 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) [2018-11-18 16:53:41,108 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 16:53:41,144 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_50cb76f9-fd28-4fa7-8078-91013ad0496f/bin-2019/utaipan/witness.graphml [2018-11-18 16:53:41,145 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:53:41,146 INFO L168 Benchmark]: Toolchain (without parser) took 12215.41 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 473.4 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -243.0 MB). Peak memory consumption was 230.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:53:41,146 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 977.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:53:41,147 INFO L168 Benchmark]: CACSL2BoogieTranslator took 467.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -201.7 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:53:41,147 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:53:41,147 INFO L168 Benchmark]: Boogie Preprocessor took 27.84 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:53:41,147 INFO L168 Benchmark]: RCFGBuilder took 720.85 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: 60.9 MB). Peak memory consumption was 60.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:53:41,148 INFO L168 Benchmark]: TraceAbstraction took 10897.02 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 309.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -115.8 MB). Peak memory consumption was 453.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:53:41,148 INFO L168 Benchmark]: Witness Printer took 68.94 ms. Allocated memory is still 1.5 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:53:41,150 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 977.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 467.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -201.7 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.84 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 720.85 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: 60.9 MB). Peak memory consumption was 60.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10897.02 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 309.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -115.8 MB). Peak memory consumption was 453.5 MB. Max. memory is 11.5 GB. * Witness Printer took 68.94 ms. Allocated memory is still 1.5 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 946]: 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: 522]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((waterLevel == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || ((waterLevel == 2 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 147 locations, 1 error locations. SAFE Result, 10.8s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 5.9s AutomataDifference, 0.0s DeadEndRemovalTime, 1.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 924 SDtfs, 974 SDslu, 2750 SDs, 0 SdLazy, 1220 SolverSat, 272 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 153 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=681occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.5s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9970109815513101 AbsIntWeakeningRatio, 1.0555555555555556 AbsIntAvgWeakeningVarsNumRemoved, 76.87777777777778 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 803 PreInvPairs, 855 NumberOfFragments, 1039 HoareAnnotationTreeSize, 803 FomulaSimplifications, 2391 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 62 FomulaSimplificationsInter, 4481 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 358 NumberOfCodeBlocks, 358 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 352 ConstructedInterpolants, 0 QuantifiedInterpolants, 45781 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 22/25 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...