./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_45117bea-1c6f-4a58-a8f4-62ef58daf918/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_45117bea-1c6f-4a58-a8f4-62ef58daf918/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_45117bea-1c6f-4a58-a8f4-62ef58daf918/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_45117bea-1c6f-4a58-a8f4-62ef58daf918/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_45117bea-1c6f-4a58-a8f4-62ef58daf918/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_45117bea-1c6f-4a58-a8f4-62ef58daf918/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 74af0999cbe879befd0a6903faa6dabc12f5915f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:17:09,824 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:17:09,825 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:17:09,831 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:17:09,831 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:17:09,832 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:17:09,833 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:17:09,834 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:17:09,834 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:17:09,835 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:17:09,835 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:17:09,836 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:17:09,836 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:17:09,837 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:17:09,837 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:17:09,838 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:17:09,838 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:17:09,839 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:17:09,840 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:17:09,840 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:17:09,841 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:17:09,842 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:17:09,843 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:17:09,843 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:17:09,843 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:17:09,843 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:17:09,844 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:17:09,844 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:17:09,845 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:17:09,845 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:17:09,846 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:17:09,846 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:17:09,846 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:17:09,846 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:17:09,847 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:17:09,847 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:17:09,847 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_45117bea-1c6f-4a58-a8f4-62ef58daf918/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 16:17:09,854 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:17:09,854 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:17:09,855 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:17:09,855 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 16:17:09,855 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 16:17:09,855 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 16:17:09,855 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 16:17:09,855 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 16:17:09,856 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 16:17:09,856 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 16:17:09,856 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 16:17:09,856 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 16:17:09,856 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 16:17:09,856 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:17:09,857 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:17:09,857 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:17:09,857 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:17:09,857 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:17:09,857 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:17:09,857 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:17:09,857 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:17:09,857 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:17:09,858 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:17:09,858 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:17:09,858 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:17:09,858 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:17:09,858 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:17:09,858 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 16:17:09,858 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:17:09,858 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:17:09,859 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:17:09,859 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:17:09,859 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 16:17:09,859 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:17:09,859 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:17:09,859 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 16:17:09,859 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_45117bea-1c6f-4a58-a8f4-62ef58daf918/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 -> 74af0999cbe879befd0a6903faa6dabc12f5915f [2018-12-08 16:17:09,877 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:17:09,886 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:17:09,889 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:17:09,890 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:17:09,890 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:17:09,891 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_45117bea-1c6f-4a58-a8f4-62ef58daf918/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c [2018-12-08 16:17:09,935 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_45117bea-1c6f-4a58-a8f4-62ef58daf918/bin-2019/utaipan/data/43d801208/6273d2e6b0084e2492dd706f0d7f7267/FLAG7766733c9 [2018-12-08 16:17:10,349 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:17:10,350 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_45117bea-1c6f-4a58-a8f4-62ef58daf918/sv-benchmarks/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c [2018-12-08 16:17:10,356 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_45117bea-1c6f-4a58-a8f4-62ef58daf918/bin-2019/utaipan/data/43d801208/6273d2e6b0084e2492dd706f0d7f7267/FLAG7766733c9 [2018-12-08 16:17:10,363 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_45117bea-1c6f-4a58-a8f4-62ef58daf918/bin-2019/utaipan/data/43d801208/6273d2e6b0084e2492dd706f0d7f7267 [2018-12-08 16:17:10,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:17:10,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:17:10,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:17:10,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:17:10,368 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:17:10,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:17:10" (1/1) ... [2018-12-08 16:17:10,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:17:10, skipping insertion in model container [2018-12-08 16:17:10,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:17:10" (1/1) ... [2018-12-08 16:17:10,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:17:10,395 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:17:10,543 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:17:10,581 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:17:10,634 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:17:10,648 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:17:10,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:17:10 WrapperNode [2018-12-08 16:17:10,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:17:10,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:17:10,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:17:10,649 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:17:10,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:17:10" (1/1) ... [2018-12-08 16:17:10,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:17:10" (1/1) ... [2018-12-08 16:17:10,668 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:17:10,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:17:10,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:17:10,669 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:17:10,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:17:10" (1/1) ... [2018-12-08 16:17:10,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:17:10" (1/1) ... [2018-12-08 16:17:10,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:17:10" (1/1) ... [2018-12-08 16:17:10,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:17:10" (1/1) ... [2018-12-08 16:17:10,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:17:10" (1/1) ... [2018-12-08 16:17:10,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:17:10" (1/1) ... [2018-12-08 16:17:10,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:17:10" (1/1) ... [2018-12-08 16:17:10,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:17:10,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:17:10,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:17:10,690 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:17:10,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:17:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45117bea-1c6f-4a58-a8f4-62ef58daf918/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:17:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 16:17:10,721 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 16:17:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 16:17:10,721 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 16:17:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 16:17:10,721 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 16:17:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:17:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 16:17:10,721 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 16:17:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 16:17:10,721 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 16:17:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 16:17:10,722 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 16:17:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 16:17:10,722 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 16:17:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 16:17:10,722 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 16:17:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 16:17:10,722 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 16:17:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-08 16:17:10,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-08 16:17:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-08 16:17:10,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-08 16:17:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 16:17:10,722 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 16:17:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 16:17:10,722 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 16:17:10,723 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 16:17:10,723 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 16:17:10,723 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 16:17:10,723 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 16:17:10,723 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 16:17:10,723 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 16:17:10,723 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 16:17:10,723 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 16:17:10,723 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 16:17:10,723 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 16:17:10,723 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 16:17:10,723 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 16:17:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 16:17:10,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 16:17:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 16:17:10,724 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 16:17:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 16:17:10,724 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 16:17:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 16:17:10,724 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 16:17:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 16:17:10,724 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 16:17:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 16:17:10,724 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 16:17:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 16:17:10,724 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 16:17:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 16:17:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 16:17:10,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 16:17:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 16:17:10,725 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 16:17:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 16:17:10,725 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 16:17:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:17:10,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:17:11,035 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:17:11,035 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 16:17:11,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:17:11 BoogieIcfgContainer [2018-12-08 16:17:11,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:17:11,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 16:17:11,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 16:17:11,038 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 16:17:11,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:17:10" (1/3) ... [2018-12-08 16:17:11,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c3ea4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:17:11, skipping insertion in model container [2018-12-08 16:17:11,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:17:10" (2/3) ... [2018-12-08 16:17:11,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c3ea4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:17:11, skipping insertion in model container [2018-12-08 16:17:11,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:17:11" (3/3) ... [2018-12-08 16:17:11,040 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53_true-unreach-call_false-termination.cil.c [2018-12-08 16:17:11,046 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 16:17:11,051 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 16:17:11,060 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 16:17:11,078 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 16:17:11,078 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 16:17:11,079 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 16:17:11,079 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:17:11,079 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:17:11,079 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 16:17:11,079 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:17:11,079 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 16:17:11,091 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2018-12-08 16:17:11,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 16:17:11,096 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:17:11,096 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:17:11,098 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:17:11,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:17:11,101 INFO L82 PathProgramCache]: Analyzing trace with hash -14193465, now seen corresponding path program 1 times [2018-12-08 16:17:11,102 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:17:11,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:11,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:17:11,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:11,131 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:17:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:17:11,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:17:11,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:17:11,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 16:17:11,239 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:17:11,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 16:17:11,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 16:17:11,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 16:17:11,251 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 2 states. [2018-12-08 16:17:11,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:17:11,276 INFO L93 Difference]: Finished difference Result 292 states and 365 transitions. [2018-12-08 16:17:11,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 16:17:11,277 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-08 16:17:11,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:17:11,284 INFO L225 Difference]: With dead ends: 292 [2018-12-08 16:17:11,284 INFO L226 Difference]: Without dead ends: 148 [2018-12-08 16:17:11,286 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 16:17:11,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-12-08 16:17:11,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-12-08 16:17:11,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-12-08 16:17:11,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 176 transitions. [2018-12-08 16:17:11,318 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 176 transitions. Word has length 51 [2018-12-08 16:17:11,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:17:11,318 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 176 transitions. [2018-12-08 16:17:11,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 16:17:11,318 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 176 transitions. [2018-12-08 16:17:11,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 16:17:11,320 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:17:11,320 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:17:11,320 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:17:11,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:17:11,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1295682751, now seen corresponding path program 1 times [2018-12-08 16:17:11,320 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:17:11,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:11,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:17:11,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:11,321 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:17:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:17:11,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:17:11,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:17:11,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 16:17:11,368 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:17:11,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:17:11,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:17:11,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:17:11,370 INFO L87 Difference]: Start difference. First operand 148 states and 176 transitions. Second operand 3 states. [2018-12-08 16:17:11,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:17:11,383 INFO L93 Difference]: Finished difference Result 241 states and 287 transitions. [2018-12-08 16:17:11,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:17:11,383 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-08 16:17:11,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:17:11,384 INFO L225 Difference]: With dead ends: 241 [2018-12-08 16:17:11,384 INFO L226 Difference]: Without dead ends: 139 [2018-12-08 16:17:11,385 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:17:11,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-12-08 16:17:11,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-12-08 16:17:11,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-12-08 16:17:11,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 164 transitions. [2018-12-08 16:17:11,393 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 164 transitions. Word has length 52 [2018-12-08 16:17:11,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:17:11,393 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 164 transitions. [2018-12-08 16:17:11,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:17:11,393 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 164 transitions. [2018-12-08 16:17:11,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-08 16:17:11,394 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:17:11,394 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:17:11,395 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:17:11,395 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:17:11,395 INFO L82 PathProgramCache]: Analyzing trace with hash -526147235, now seen corresponding path program 1 times [2018-12-08 16:17:11,395 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:17:11,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:11,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:17:11,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:11,396 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:17:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:17:11,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:17:11,463 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:17:11,463 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 16:17:11,463 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:17:11,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:17:11,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:17:11,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:17:11,464 INFO L87 Difference]: Start difference. First operand 139 states and 164 transitions. Second operand 7 states. [2018-12-08 16:17:11,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:17:11,648 INFO L93 Difference]: Finished difference Result 250 states and 301 transitions. [2018-12-08 16:17:11,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 16:17:11,648 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-08 16:17:11,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:17:11,650 INFO L225 Difference]: With dead ends: 250 [2018-12-08 16:17:11,650 INFO L226 Difference]: Without dead ends: 139 [2018-12-08 16:17:11,651 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:17:11,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-12-08 16:17:11,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-12-08 16:17:11,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-12-08 16:17:11,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 163 transitions. [2018-12-08 16:17:11,662 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 163 transitions. Word has length 56 [2018-12-08 16:17:11,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:17:11,662 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 163 transitions. [2018-12-08 16:17:11,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:17:11,663 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 163 transitions. [2018-12-08 16:17:11,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-08 16:17:11,665 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:17:11,665 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:17:11,665 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:17:11,665 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:17:11,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1780832067, now seen corresponding path program 1 times [2018-12-08 16:17:11,665 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:17:11,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:11,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:17:11,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:11,667 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:17:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:17:11,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:17:11,747 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:17:11,747 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 16:17:11,747 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:17:11,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 16:17:11,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 16:17:11,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 16:17:11,748 INFO L87 Difference]: Start difference. First operand 139 states and 163 transitions. Second operand 5 states. [2018-12-08 16:17:12,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:17:12,031 INFO L93 Difference]: Finished difference Result 354 states and 433 transitions. [2018-12-08 16:17:12,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 16:17:12,032 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2018-12-08 16:17:12,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:17:12,033 INFO L225 Difference]: With dead ends: 354 [2018-12-08 16:17:12,033 INFO L226 Difference]: Without dead ends: 243 [2018-12-08 16:17:12,034 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 16:17:12,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-12-08 16:17:12,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 225. [2018-12-08 16:17:12,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-12-08 16:17:12,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 258 transitions. [2018-12-08 16:17:12,047 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 258 transitions. Word has length 74 [2018-12-08 16:17:12,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:17:12,047 INFO L480 AbstractCegarLoop]: Abstraction has 225 states and 258 transitions. [2018-12-08 16:17:12,047 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 16:17:12,047 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 258 transitions. [2018-12-08 16:17:12,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 16:17:12,048 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:17:12,048 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:17:12,048 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:17:12,049 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:17:12,049 INFO L82 PathProgramCache]: Analyzing trace with hash -2057745489, now seen corresponding path program 1 times [2018-12-08 16:17:12,049 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:17:12,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:12,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:17:12,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:12,049 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:17:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:17:12,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:17:12,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:17:12,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 16:17:12,103 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:17:12,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:17:12,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:17:12,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:17:12,105 INFO L87 Difference]: Start difference. First operand 225 states and 258 transitions. Second operand 6 states. [2018-12-08 16:17:12,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:17:12,234 INFO L93 Difference]: Finished difference Result 601 states and 710 transitions. [2018-12-08 16:17:12,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 16:17:12,234 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-08 16:17:12,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:17:12,237 INFO L225 Difference]: With dead ends: 601 [2018-12-08 16:17:12,237 INFO L226 Difference]: Without dead ends: 404 [2018-12-08 16:17:12,238 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 16:17:12,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2018-12-08 16:17:12,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 398. [2018-12-08 16:17:12,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2018-12-08 16:17:12,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 456 transitions. [2018-12-08 16:17:12,269 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 456 transitions. Word has length 88 [2018-12-08 16:17:12,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:17:12,270 INFO L480 AbstractCegarLoop]: Abstraction has 398 states and 456 transitions. [2018-12-08 16:17:12,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:17:12,270 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 456 transitions. [2018-12-08 16:17:12,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-08 16:17:12,272 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:17:12,272 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:17:12,272 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:17:12,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:17:12,272 INFO L82 PathProgramCache]: Analyzing trace with hash 242365227, now seen corresponding path program 1 times [2018-12-08 16:17:12,272 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:17:12,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:12,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:17:12,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:12,273 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:17:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:17:12,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:17:12,349 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:17:12,349 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 16:17:12,349 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:17:12,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:17:12,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:17:12,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:17:12,350 INFO L87 Difference]: Start difference. First operand 398 states and 456 transitions. Second operand 7 states. [2018-12-08 16:17:12,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:17:12,671 INFO L93 Difference]: Finished difference Result 797 states and 936 transitions. [2018-12-08 16:17:12,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 16:17:12,671 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2018-12-08 16:17:12,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:17:12,673 INFO L225 Difference]: With dead ends: 797 [2018-12-08 16:17:12,674 INFO L226 Difference]: Without dead ends: 427 [2018-12-08 16:17:12,675 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-08 16:17:12,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2018-12-08 16:17:12,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 397. [2018-12-08 16:17:12,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2018-12-08 16:17:12,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 453 transitions. [2018-12-08 16:17:12,699 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 453 transitions. Word has length 92 [2018-12-08 16:17:12,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:17:12,700 INFO L480 AbstractCegarLoop]: Abstraction has 397 states and 453 transitions. [2018-12-08 16:17:12,700 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:17:12,700 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 453 transitions. [2018-12-08 16:17:12,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 16:17:12,701 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:17:12,701 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:17:12,701 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:17:12,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:17:12,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1348117597, now seen corresponding path program 1 times [2018-12-08 16:17:12,702 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:17:12,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:12,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:17:12,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:12,703 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:17:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:17:12,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:17:12,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:17:12,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 16:17:12,745 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:17:12,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:17:12,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:17:12,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:17:12,746 INFO L87 Difference]: Start difference. First operand 397 states and 453 transitions. Second operand 6 states. [2018-12-08 16:17:12,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:17:12,771 INFO L93 Difference]: Finished difference Result 776 states and 900 transitions. [2018-12-08 16:17:12,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 16:17:12,771 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-12-08 16:17:12,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:17:12,772 INFO L225 Difference]: With dead ends: 776 [2018-12-08 16:17:12,773 INFO L226 Difference]: Without dead ends: 407 [2018-12-08 16:17:12,773 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:17:12,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2018-12-08 16:17:12,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2018-12-08 16:17:12,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2018-12-08 16:17:12,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 463 transitions. [2018-12-08 16:17:12,785 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 463 transitions. Word has length 93 [2018-12-08 16:17:12,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:17:12,786 INFO L480 AbstractCegarLoop]: Abstraction has 407 states and 463 transitions. [2018-12-08 16:17:12,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:17:12,786 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 463 transitions. [2018-12-08 16:17:12,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 16:17:12,787 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:17:12,787 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:17:12,787 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:17:12,787 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:17:12,787 INFO L82 PathProgramCache]: Analyzing trace with hash 1275731039, now seen corresponding path program 1 times [2018-12-08 16:17:12,787 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:17:12,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:12,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:17:12,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:12,788 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:17:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:17:12,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:17:12,844 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:17:12,844 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 16:17:12,844 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:17:12,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 16:17:12,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 16:17:12,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 16:17:12,845 INFO L87 Difference]: Start difference. First operand 407 states and 463 transitions. Second operand 8 states. [2018-12-08 16:17:12,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:17:12,870 INFO L93 Difference]: Finished difference Result 800 states and 936 transitions. [2018-12-08 16:17:12,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 16:17:12,870 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2018-12-08 16:17:12,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:17:12,871 INFO L225 Difference]: With dead ends: 800 [2018-12-08 16:17:12,871 INFO L226 Difference]: Without dead ends: 421 [2018-12-08 16:17:12,872 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 16:17:12,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-12-08 16:17:12,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 415. [2018-12-08 16:17:12,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2018-12-08 16:17:12,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 471 transitions. [2018-12-08 16:17:12,883 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 471 transitions. Word has length 93 [2018-12-08 16:17:12,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:17:12,884 INFO L480 AbstractCegarLoop]: Abstraction has 415 states and 471 transitions. [2018-12-08 16:17:12,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 16:17:12,884 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 471 transitions. [2018-12-08 16:17:12,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 16:17:12,885 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:17:12,885 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:17:12,885 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:17:12,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:17:12,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1605496800, now seen corresponding path program 1 times [2018-12-08 16:17:12,885 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:17:12,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:12,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:17:12,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:12,886 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:17:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:17:12,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:17:12,923 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:17:12,923 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 16:17:12,923 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:17:12,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 16:17:12,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 16:17:12,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 16:17:12,924 INFO L87 Difference]: Start difference. First operand 415 states and 471 transitions. Second operand 4 states. [2018-12-08 16:17:13,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:17:13,064 INFO L93 Difference]: Finished difference Result 1250 states and 1496 transitions. [2018-12-08 16:17:13,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 16:17:13,064 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-12-08 16:17:13,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:17:13,068 INFO L225 Difference]: With dead ends: 1250 [2018-12-08 16:17:13,068 INFO L226 Difference]: Without dead ends: 863 [2018-12-08 16:17:13,069 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 16:17:13,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2018-12-08 16:17:13,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 549. [2018-12-08 16:17:13,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2018-12-08 16:17:13,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 618 transitions. [2018-12-08 16:17:13,103 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 618 transitions. Word has length 93 [2018-12-08 16:17:13,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:17:13,104 INFO L480 AbstractCegarLoop]: Abstraction has 549 states and 618 transitions. [2018-12-08 16:17:13,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 16:17:13,104 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 618 transitions. [2018-12-08 16:17:13,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 16:17:13,105 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:17:13,105 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:17:13,105 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:17:13,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:17:13,106 INFO L82 PathProgramCache]: Analyzing trace with hash -2047783674, now seen corresponding path program 1 times [2018-12-08 16:17:13,106 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:17:13,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:13,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:17:13,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:13,107 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:17:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:17:13,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:17:13,147 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:17:13,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 16:17:13,148 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:17:13,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:17:13,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:17:13,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:17:13,148 INFO L87 Difference]: Start difference. First operand 549 states and 618 transitions. Second operand 3 states. [2018-12-08 16:17:13,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:17:13,178 INFO L93 Difference]: Finished difference Result 866 states and 990 transitions. [2018-12-08 16:17:13,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:17:13,178 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2018-12-08 16:17:13,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:17:13,180 INFO L225 Difference]: With dead ends: 866 [2018-12-08 16:17:13,180 INFO L226 Difference]: Without dead ends: 863 [2018-12-08 16:17:13,181 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:17:13,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2018-12-08 16:17:13,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 713. [2018-12-08 16:17:13,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 713 states. [2018-12-08 16:17:13,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 813 transitions. [2018-12-08 16:17:13,207 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 813 transitions. Word has length 97 [2018-12-08 16:17:13,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:17:13,207 INFO L480 AbstractCegarLoop]: Abstraction has 713 states and 813 transitions. [2018-12-08 16:17:13,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:17:13,207 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 813 transitions. [2018-12-08 16:17:13,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 16:17:13,209 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:17:13,209 INFO L402 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2018-12-08 16:17:13,209 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:17:13,209 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:17:13,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1584272901, now seen corresponding path program 1 times [2018-12-08 16:17:13,210 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:17:13,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:13,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:17:13,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:13,210 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:17:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:17:13,297 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 16:17:13,297 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:17:13,298 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:17:13,298 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-12-08 16:17:13,299 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [41], [45], [46], [47], [62], [65], [67], [76], [80], [84], [87], [90], [92], [95], [98], [100], [103], [120], [122], [125], [127], [130], [133], [136], [144], [145], [146], [147], [148], [149], [150], [151], [153], [158], [160], [161], [166], [168], [169], [170], [202], [206], [212], [220], [224], [227], [229], [232], [242], [245], [249], [250], [253], [268], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [284], [285], [286], [296], [297], [298], [299], [300], [301], [302], [303], [306], [307], [308], [309], [310], [312], [313], [320], [321], [322], [323], [324], [325], [326], [328], [329], [330], [331], [342], [343] [2018-12-08 16:17:13,322 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:17:13,322 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:17:14,652 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 16:17:14,653 INFO L272 AbstractInterpreter]: Visited 104 different actions 523 times. Merged at 13 different actions 43 times. Never widened. Performed 27595 root evaluator evaluations with a maximum evaluation depth of 3. Performed 27595 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 134 variables. [2018-12-08 16:17:14,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:17:14,658 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 16:17:14,658 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:17:14,658 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45117bea-1c6f-4a58-a8f4-62ef58daf918/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:17:14,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:17:14,667 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 16:17:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:17:14,758 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:17:14,793 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:17:14,793 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 16:17:14,940 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 16:17:14,966 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:17:14,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-12-08 16:17:14,966 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:17:14,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:17:14,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:17:14,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-08 16:17:14,967 INFO L87 Difference]: Start difference. First operand 713 states and 813 transitions. Second operand 3 states. [2018-12-08 16:17:15,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:17:15,020 INFO L93 Difference]: Finished difference Result 1201 states and 1380 transitions. [2018-12-08 16:17:15,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:17:15,020 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2018-12-08 16:17:15,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:17:15,023 INFO L225 Difference]: With dead ends: 1201 [2018-12-08 16:17:15,023 INFO L226 Difference]: Without dead ends: 646 [2018-12-08 16:17:15,024 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 320 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-08 16:17:15,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2018-12-08 16:17:15,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 646. [2018-12-08 16:17:15,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2018-12-08 16:17:15,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 727 transitions. [2018-12-08 16:17:15,051 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 727 transitions. Word has length 160 [2018-12-08 16:17:15,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:17:15,052 INFO L480 AbstractCegarLoop]: Abstraction has 646 states and 727 transitions. [2018-12-08 16:17:15,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:17:15,052 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 727 transitions. [2018-12-08 16:17:15,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-08 16:17:15,054 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:17:15,054 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:17:15,054 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:17:15,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:17:15,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1035830722, now seen corresponding path program 1 times [2018-12-08 16:17:15,054 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:17:15,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:15,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:17:15,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:15,055 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:17:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:17:15,189 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 16:17:15,189 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:17:15,189 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:17:15,189 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 174 with the following transitions: [2018-12-08 16:17:15,189 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [35], [37], [38], [41], [45], [46], [47], [50], [52], [58], [62], [65], [66], [67], [76], [80], [84], [87], [90], [92], [95], [98], [100], [103], [118], [119], [120], [122], [125], [127], [130], [133], [136], [144], [145], [146], [147], [148], [149], [150], [151], [153], [158], [160], [161], [166], [168], [169], [170], [199], [202], [206], [212], [215], [219], [220], [224], [227], [229], [232], [239], [242], [245], [249], [250], [253], [256], [258], [264], [268], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [282], [283], [284], [285], [286], [288], [289], [290], [291], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [306], [307], [308], [309], [310], [312], [313], [318], [319], [320], [321], [322], [323], [324], [325], [326], [328], [329], [330], [331], [334], [335], [336], [337], [340], [341], [342], [343] [2018-12-08 16:17:15,192 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:17:15,192 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:17:16,493 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 16:17:16,493 INFO L272 AbstractInterpreter]: Visited 141 different actions 857 times. Merged at 20 different actions 80 times. Never widened. Performed 36276 root evaluator evaluations with a maximum evaluation depth of 5. Performed 36276 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 18 fixpoints after 5 different actions. Largest state had 134 variables. [2018-12-08 16:17:16,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:17:16,495 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 16:17:16,495 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:17:16,495 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45117bea-1c6f-4a58-a8f4-62ef58daf918/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:17:16,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:17:16,502 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 16:17:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:17:16,577 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:17:16,677 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 16:17:16,677 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 16:17:17,001 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 16:17:17,023 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:17:17,024 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-08 16:17:17,024 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:17:17,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 16:17:17,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 16:17:17,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-08 16:17:17,024 INFO L87 Difference]: Start difference. First operand 646 states and 727 transitions. Second operand 8 states. [2018-12-08 16:17:17,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:17:17,196 INFO L93 Difference]: Finished difference Result 1165 states and 1322 transitions. [2018-12-08 16:17:17,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 16:17:17,196 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 173 [2018-12-08 16:17:17,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:17:17,197 INFO L225 Difference]: With dead ends: 1165 [2018-12-08 16:17:17,197 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 16:17:17,198 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 331 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-08 16:17:17,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 16:17:17,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 16:17:17,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 16:17:17,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 16:17:17,199 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2018-12-08 16:17:17,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:17:17,199 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 16:17:17,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 16:17:17,199 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 16:17:17,199 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 16:17:17,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 16:17:17,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:17,578 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2018-12-08 16:17:18,257 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2018-12-08 16:17:18,400 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2018-12-08 16:17:19,561 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2018-12-08 16:17:19,979 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 978 984) the Hoare annotation is: true [2018-12-08 16:17:19,980 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 978 984) no Hoare annotation was computed. [2018-12-08 16:17:19,980 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 985 993) no Hoare annotation was computed. [2018-12-08 16:17:19,980 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 985 993) the Hoare annotation is: true [2018-12-08 16:17:19,980 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 985 993) no Hoare annotation was computed. [2018-12-08 16:17:19,980 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 832 854) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:17:19,980 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 832 854) no Hoare annotation was computed. [2018-12-08 16:17:19,980 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 832 854) no Hoare annotation was computed. [2018-12-08 16:17:19,980 INFO L444 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:17:19,980 INFO L444 ceAbstractionStarter]: At program point L844-1(line 844) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:17:19,980 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 849) no Hoare annotation was computed. [2018-12-08 16:17:19,980 INFO L448 ceAbstractionStarter]: For program point L842-1(lines 842 849) no Hoare annotation was computed. [2018-12-08 16:17:19,980 INFO L448 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-12-08 16:17:19,980 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:17:19,980 INFO L444 ceAbstractionStarter]: At program point L838(line 838) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:17:19,980 INFO L444 ceAbstractionStarter]: At program point L838-1(line 838) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:17:19,980 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2018-12-08 16:17:19,981 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2018-12-08 16:17:19,981 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 633 641) no Hoare annotation was computed. [2018-12-08 16:17:19,981 INFO L451 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: true [2018-12-08 16:17:19,981 INFO L448 ceAbstractionStarter]: For program point L706-2(lines 706 710) no Hoare annotation was computed. [2018-12-08 16:17:19,981 INFO L448 ceAbstractionStarter]: For program point L704-1(line 704) no Hoare annotation was computed. [2018-12-08 16:17:19,981 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 697 715) the Hoare annotation is: true [2018-12-08 16:17:19,981 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 697 715) no Hoare annotation was computed. [2018-12-08 16:17:19,981 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 710) no Hoare annotation was computed. [2018-12-08 16:17:19,981 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 697 715) no Hoare annotation was computed. [2018-12-08 16:17:19,981 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 971 977) no Hoare annotation was computed. [2018-12-08 16:17:19,981 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 971 977) the Hoare annotation is: true [2018-12-08 16:17:19,981 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 818 828) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:17:19,981 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 818 828) no Hoare annotation was computed. [2018-12-08 16:17:19,981 INFO L444 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:17:19,981 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 818 828) no Hoare annotation was computed. [2018-12-08 16:17:19,981 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 622 632) the Hoare annotation is: true [2018-12-08 16:17:19,981 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 622 632) no Hoare annotation was computed. [2018-12-08 16:17:19,981 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 622 632) no Hoare annotation was computed. [2018-12-08 16:17:19,981 INFO L451 ceAbstractionStarter]: At program point L627(line 627) the Hoare annotation is: true [2018-12-08 16:17:19,981 INFO L448 ceAbstractionStarter]: For program point L627-1(line 627) no Hoare annotation was computed. [2018-12-08 16:17:19,981 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 614 621) the Hoare annotation is: (let ((.cse1 (< |old(~pumpRunning~0)| 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or .cse1 (< ~methaneLevelCritical~0 1) .cse2 .cse0))) [2018-12-08 16:17:19,982 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2018-12-08 16:17:19,982 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 614 621) no Hoare annotation was computed. [2018-12-08 16:17:19,982 INFO L448 ceAbstractionStarter]: For program point L940(lines 940 946) no Hoare annotation was computed. [2018-12-08 16:17:19,982 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 936 949) no Hoare annotation was computed. [2018-12-08 16:17:19,982 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 936 949) the Hoare annotation is: true [2018-12-08 16:17:19,982 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 936 949) no Hoare annotation was computed. [2018-12-08 16:17:19,982 INFO L444 ceAbstractionStarter]: At program point L600(line 600) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse5 (or .cse3 .cse4)) (or .cse5 .cse1 .cse3))) [2018-12-08 16:17:19,982 INFO L448 ceAbstractionStarter]: For program point L600-1(lines 581 605) no Hoare annotation was computed. [2018-12-08 16:17:19,982 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 581 605) no Hoare annotation was computed. [2018-12-08 16:17:19,982 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 581 605) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse0 .cse5 (or .cse3 .cse4)) (or .cse5 .cse1 .cse3 .cse0))) [2018-12-08 16:17:19,982 INFO L444 ceAbstractionStarter]: At program point L595(line 595) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse3 (or .cse1 .cse2)) (or .cse4 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse4 .cse1))) [2018-12-08 16:17:19,982 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (or .cse1 .cse2)) (or .cse5 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))) (or .cse4 .cse5 .cse1 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse3)))) [2018-12-08 16:17:19,982 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 597) no Hoare annotation was computed. [2018-12-08 16:17:19,982 INFO L444 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (or .cse1 .cse2)) (or .cse4 .cse5 .cse1 .cse3) (or .cse5 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-12-08 16:17:19,982 INFO L448 ceAbstractionStarter]: For program point L587-1(line 587) no Hoare annotation was computed. [2018-12-08 16:17:19,982 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 602) no Hoare annotation was computed. [2018-12-08 16:17:19,982 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 521 527) no Hoare annotation was computed. [2018-12-08 16:17:19,982 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 521 527) the Hoare annotation is: true [2018-12-08 16:17:19,983 INFO L444 ceAbstractionStarter]: At program point L99-2(lines 93 104) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse5 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse4 .cse2))) [2018-12-08 16:17:19,983 INFO L448 ceAbstractionStarter]: For program point L64(lines 63 108) no Hoare annotation was computed. [2018-12-08 16:17:19,983 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 53 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:17:19,983 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 104) no Hoare annotation was computed. [2018-12-08 16:17:19,983 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 53 116) no Hoare annotation was computed. [2018-12-08 16:17:19,983 INFO L444 ceAbstractionStarter]: At program point L85(line 85) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse5 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse4 .cse2 .cse3))) [2018-12-08 16:17:19,983 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-08 16:17:19,983 INFO L448 ceAbstractionStarter]: For program point L83-1(lines 83 89) no Hoare annotation was computed. [2018-12-08 16:17:19,983 INFO L444 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse5 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse4 .cse2 .cse3))) [2018-12-08 16:17:19,983 INFO L444 ceAbstractionStarter]: At program point L106(lines 63 108) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse5 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse4 .cse2 .cse3))) [2018-12-08 16:17:19,983 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 79) no Hoare annotation was computed. [2018-12-08 16:17:19,983 INFO L448 ceAbstractionStarter]: For program point L73-1(lines 73 79) no Hoare annotation was computed. [2018-12-08 16:17:19,983 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2018-12-08 16:17:19,983 INFO L444 ceAbstractionStarter]: At program point L109(lines 62 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:17:19,983 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2018-12-08 16:17:19,983 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 53 116) no Hoare annotation was computed. [2018-12-08 16:17:19,983 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 950 958) no Hoare annotation was computed. [2018-12-08 16:17:19,983 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 950 958) the Hoare annotation is: true [2018-12-08 16:17:19,983 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 950 958) no Hoare annotation was computed. [2018-12-08 16:17:19,984 INFO L444 ceAbstractionStarter]: At program point L736(line 736) the Hoare annotation is: (let ((.cse1 (< ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= ~waterLevel~0 1)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse0 (< ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse5 .cse3 (not .cse2) .cse4) (or .cse6 .cse3 .cse7) (or .cse0 (or .cse3 .cse7)))) [2018-12-08 16:17:19,984 INFO L448 ceAbstractionStarter]: For program point L736-1(line 736) no Hoare annotation was computed. [2018-12-08 16:17:19,984 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 751) no Hoare annotation was computed. [2018-12-08 16:17:19,984 INFO L448 ceAbstractionStarter]: For program point L734-1(lines 726 754) no Hoare annotation was computed. [2018-12-08 16:17:19,984 INFO L444 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2018-12-08 16:17:19,984 INFO L448 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2018-12-08 16:17:19,984 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 726 754) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2018-12-08 16:17:19,984 INFO L444 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~pumpRunning~0 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 .cse2 .cse3) (or .cse4 (or .cse2 .cse3)) (or .cse4 .cse0 (= ~waterLevel~0 1) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2018-12-08 16:17:19,984 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 726 754) no Hoare annotation was computed. [2018-12-08 16:17:19,984 INFO L448 ceAbstractionStarter]: For program point L739(lines 739 745) no Hoare annotation was computed. [2018-12-08 16:17:19,984 INFO L448 ceAbstractionStarter]: For program point L738(lines 738 748) no Hoare annotation was computed. [2018-12-08 16:17:19,984 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 718 725) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-08 16:17:19,984 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 718 725) no Hoare annotation was computed. [2018-12-08 16:17:19,984 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 718 725) no Hoare annotation was computed. [2018-12-08 16:17:19,984 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:17:19,984 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-08 16:17:19,984 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:17:19,984 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 606 613) no Hoare annotation was computed. [2018-12-08 16:17:19,984 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 606 613) no Hoare annotation was computed. [2018-12-08 16:17:19,985 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 606 613) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-12-08 16:17:19,985 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 678 696) no Hoare annotation was computed. [2018-12-08 16:17:19,985 INFO L448 ceAbstractionStarter]: For program point L687(lines 687 691) no Hoare annotation was computed. [2018-12-08 16:17:19,985 INFO L451 ceAbstractionStarter]: At program point L685(line 685) the Hoare annotation is: true [2018-12-08 16:17:19,985 INFO L448 ceAbstractionStarter]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2018-12-08 16:17:19,985 INFO L448 ceAbstractionStarter]: For program point L685-1(line 685) no Hoare annotation was computed. [2018-12-08 16:17:19,985 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 678 696) the Hoare annotation is: true [2018-12-08 16:17:19,985 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 678 696) no Hoare annotation was computed. [2018-12-08 16:17:19,985 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 883 894) the Hoare annotation is: (let ((.cse5 (< ~pumpRunning~0 1)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse6 (< |old(~methaneLevelCritical~0)| 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1) (or .cse5 .cse3 (or .cse1 .cse2) .cse4) (or .cse7 .cse6 (or .cse0 .cse1) .cse4))) [2018-12-08 16:17:19,985 INFO L448 ceAbstractionStarter]: For program point L887-1(lines 883 894) no Hoare annotation was computed. [2018-12-08 16:17:19,985 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 883 894) no Hoare annotation was computed. [2018-12-08 16:17:19,985 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 895 903) the Hoare annotation is: true [2018-12-08 16:17:19,985 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 895 903) no Hoare annotation was computed. [2018-12-08 16:17:19,985 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 895 903) no Hoare annotation was computed. [2018-12-08 16:17:19,985 INFO L448 ceAbstractionStarter]: For program point L768(line 768) no Hoare annotation was computed. [2018-12-08 16:17:19,985 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 757 786) no Hoare annotation was computed. [2018-12-08 16:17:19,985 INFO L451 ceAbstractionStarter]: At program point L767-2(lines 767 781) the Hoare annotation is: true [2018-12-08 16:17:19,985 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 757 786) the Hoare annotation is: true [2018-12-08 16:17:19,985 INFO L451 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: true [2018-12-08 16:17:19,985 INFO L448 ceAbstractionStarter]: For program point L763-1(line 763) no Hoare annotation was computed. [2018-12-08 16:17:19,985 INFO L451 ceAbstractionStarter]: At program point L782(lines 757 786) the Hoare annotation is: true [2018-12-08 16:17:19,985 INFO L448 ceAbstractionStarter]: For program point L778(line 778) no Hoare annotation was computed. [2018-12-08 16:17:19,985 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 775) no Hoare annotation was computed. [2018-12-08 16:17:19,986 INFO L451 ceAbstractionStarter]: At program point L771-1(lines 771 775) the Hoare annotation is: true [2018-12-08 16:17:19,986 INFO L444 ceAbstractionStarter]: At program point L510(line 510) the Hoare annotation is: (let ((.cse8 (< |old(~pumpRunning~0)| 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 1 ~waterLevel~0)) (.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or .cse1 .cse3 .cse6) .cse7 .cse5) (or .cse8 .cse0 .cse3 .cse7) (or .cse7 .cse8 (or .cse3 .cse6)) (or .cse8 .cse0 .cse9 .cse3 .cse5) (or (and .cse7 .cse9) .cse0 (or .cse1 .cse3) .cse5) (or .cse1 (and .cse2 .cse9) .cse3 .cse4 .cse5 .cse6))) [2018-12-08 16:17:19,986 INFO L444 ceAbstractionStarter]: At program point L508(lines 508 514) the Hoare annotation is: (let ((.cse3 (= 0 ~methAndRunningLastTime~0))) (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (and (= 1 ~waterLevel~0) .cse3)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (< |old(~pumpRunning~0)| 1)) (.cse6 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= 0 ~pumpRunning~0))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 (or .cse5 .cse6) .cse7) (or (or .cse5 .cse6 .cse8) .cse4 .cse7 (and .cse1 .cse2)) (or .cse9 .cse0 .cse6 .cse10) (or .cse0 .cse5 .cse11 .cse6 .cse12 .cse7) (or .cse5 .cse11 .cse6 .cse12 .cse7 .cse8) (or .cse4 .cse9 (or .cse6 .cse8) .cse10)))) [2018-12-08 16:17:19,986 INFO L444 ceAbstractionStarter]: At program point L503(line 503) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or .cse4 .cse0 .cse2 .cse5) (or .cse5 .cse4 (or .cse2 .cse6)) (or .cse4 .cse0 (= 0 ~methAndRunningLastTime~0) .cse2 .cse3) (or (or .cse1 .cse2 .cse6) .cse3))) [2018-12-08 16:17:19,986 INFO L448 ceAbstractionStarter]: For program point L501(lines 500 519) no Hoare annotation was computed. [2018-12-08 16:17:19,986 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 497 520) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse10 (= 0 ~methAndRunningLastTime~0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse9 (and .cse7 .cse10)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse3) (or .cse6 (or .cse3 .cse8) .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse8) (or (or .cse1 .cse3 .cse8) .cse9 .cse5) (or .cse6 .cse0 .cse10 .cse3 .cse5) (or .cse9 .cse0 (or .cse1 .cse3) .cse5)))) [2018-12-08 16:17:19,986 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 497 520) no Hoare annotation was computed. [2018-12-08 16:17:19,986 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 497 520) no Hoare annotation was computed. [2018-12-08 16:17:19,986 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 859 870) the Hoare annotation is: true [2018-12-08 16:17:19,986 INFO L448 ceAbstractionStarter]: For program point L863-1(lines 859 870) no Hoare annotation was computed. [2018-12-08 16:17:19,986 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 859 870) no Hoare annotation was computed. [2018-12-08 16:17:19,986 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 811 817) no Hoare annotation was computed. [2018-12-08 16:17:19,986 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 811 817) the Hoare annotation is: true [2018-12-08 16:17:19,986 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:17:19,986 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-12-08 16:17:19,986 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 16:17:19,987 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:17:19,987 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 529 553) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or .cse0 (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-12-08 16:17:19,987 INFO L444 ceAbstractionStarter]: At program point L543(line 543) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (< |old(~pumpRunning~0)| 1) (or .cse0 .cse1)) (or (< ~methaneLevelCritical~0 1) (or .cse2 .cse0) .cse3 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse0 .cse1) .cse3))) [2018-12-08 16:17:19,987 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 529 553) no Hoare annotation was computed. [2018-12-08 16:17:19,987 INFO L444 ceAbstractionStarter]: At program point L539(line 539) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse5)) (or (or .cse1 .cse2 .cse5) (and .cse3 .cse6)) (or .cse0 (or .cse1 .cse2) .cse6 .cse4))) [2018-12-08 16:17:19,987 INFO L448 ceAbstractionStarter]: For program point L537(lines 537 545) no Hoare annotation was computed. [2018-12-08 16:17:19,987 INFO L444 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-12-08 16:17:19,987 INFO L448 ceAbstractionStarter]: For program point L535-1(line 535) no Hoare annotation was computed. [2018-12-08 16:17:19,987 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 550) no Hoare annotation was computed. [2018-12-08 16:17:19,987 INFO L444 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-12-08 16:17:19,987 INFO L448 ceAbstractionStarter]: For program point L548-1(lines 529 553) no Hoare annotation was computed. [2018-12-08 16:17:19,987 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 871 882) no Hoare annotation was computed. [2018-12-08 16:17:19,987 INFO L448 ceAbstractionStarter]: For program point L875-1(lines 871 882) no Hoare annotation was computed. [2018-12-08 16:17:19,987 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 871 882) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4))) [2018-12-08 16:17:19,987 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-08 16:17:19,987 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-08 16:17:19,987 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-08 16:17:19,987 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-08 16:17:19,988 INFO L444 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-12-08 16:17:19,988 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 555 579) no Hoare annotation was computed. [2018-12-08 16:17:19,988 INFO L448 ceAbstractionStarter]: For program point L574-1(lines 555 579) no Hoare annotation was computed. [2018-12-08 16:17:19,988 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 555 579) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or .cse0 (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-12-08 16:17:19,988 INFO L444 ceAbstractionStarter]: At program point L569(line 569) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-12-08 16:17:19,988 INFO L444 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-12-08 16:17:19,988 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 571) no Hoare annotation was computed. [2018-12-08 16:17:19,988 INFO L444 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-12-08 16:17:19,988 INFO L448 ceAbstractionStarter]: For program point L561-1(line 561) no Hoare annotation was computed. [2018-12-08 16:17:19,988 INFO L448 ceAbstractionStarter]: For program point L559(lines 559 576) no Hoare annotation was computed. [2018-12-08 16:17:19,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 04:17:19 BoogieIcfgContainer [2018-12-08 16:17:19,995 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 16:17:19,996 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:17:19,996 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:17:19,996 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:17:19,996 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:17:11" (3/4) ... [2018-12-08 16:17:19,998 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 16:17:20,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 16:17:20,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 16:17:20,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 16:17:20,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 16:17:20,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 16:17:20,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 16:17:20,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 16:17:20,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 16:17:20,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 16:17:20,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 16:17:20,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 16:17:20,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 16:17:20,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 16:17:20,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 16:17:20,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-08 16:17:20,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-08 16:17:20,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 16:17:20,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 16:17:20,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 16:17:20,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 16:17:20,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 16:17:20,003 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 16:17:20,003 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 16:17:20,003 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 16:17:20,003 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 16:17:20,003 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 16:17:20,003 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 16:17:20,003 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 16:17:20,003 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 16:17:20,007 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-08 16:17:20,007 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-08 16:17:20,007 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 16:17:20,007 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-08 16:17:20,007 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 16:17:20,008 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 16:17:20,024 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(systemActive == 1)) || ((1 <= pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((1 <= pumpRunning && 0 == methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime) [2018-12-08 16:17:20,024 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 16:17:20,047 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_45117bea-1c6f-4a58-a8f4-62ef58daf918/bin-2019/utaipan/witness.graphml [2018-12-08 16:17:20,047 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:17:20,048 INFO L168 Benchmark]: Toolchain (without parser) took 9682.30 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 697.3 MB). Free memory was 948.1 MB in the beginning and 1.3 GB in the end (delta: -398.1 MB). Peak memory consumption was 299.2 MB. Max. memory is 11.5 GB. [2018-12-08 16:17:20,048 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:17:20,048 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -172.6 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-08 16:17:20,048 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:17:20,049 INFO L168 Benchmark]: Boogie Preprocessor took 20.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:17:20,049 INFO L168 Benchmark]: RCFGBuilder took 346.20 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2018-12-08 16:17:20,049 INFO L168 Benchmark]: TraceAbstraction took 8959.39 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 560.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -280.6 MB). Peak memory consumption was 855.1 MB. Max. memory is 11.5 GB. [2018-12-08 16:17:20,049 INFO L168 Benchmark]: Witness Printer took 51.76 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 427.0 kB). Peak memory consumption was 427.0 kB. Max. memory is 11.5 GB. [2018-12-08 16:17:20,050 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 282.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -172.6 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 346.20 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8959.39 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 560.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -280.6 MB). Peak memory consumption was 855.1 MB. Max. memory is 11.5 GB. * Witness Printer took 51.76 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 427.0 kB). Peak memory consumption was 427.0 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: ((((((((((0 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(systemActive == 1)) || ((1 <= pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((1 <= pumpRunning && 0 == methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 161 locations, 1 error locations. SAFE Result, 8.9s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2255 SDtfs, 1114 SDslu, 4658 SDs, 0 SdLazy, 1355 SolverSat, 260 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 786 GetRequests, 701 SyntacticMatches, 9 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=713occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.6s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 524 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 1643 PreInvPairs, 1695 NumberOfFragments, 2600 HoareAnnotationTreeSize, 1643 FomulaSimplifications, 5595 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 67 FomulaSimplificationsInter, 8478 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1455 NumberOfCodeBlocks, 1455 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1772 ConstructedInterpolants, 0 QuantifiedInterpolants, 363051 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1827 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 292/312 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...