./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product64_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_b88a7d25-c47d-4b27-821d-a564e6944eff/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b88a7d25-c47d-4b27-821d-a564e6944eff/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b88a7d25-c47d-4b27-821d-a564e6944eff/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b88a7d25-c47d-4b27-821d-a564e6944eff/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product64_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b88a7d25-c47d-4b27-821d-a564e6944eff/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b88a7d25-c47d-4b27-821d-a564e6944eff/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 f1df426416c0b8e66bfd1bb2b307ec8233b9df30 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 01:55:34,886 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 01:55:34,887 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 01:55:34,894 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 01:55:34,894 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 01:55:34,894 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 01:55:34,895 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 01:55:34,896 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 01:55:34,897 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 01:55:34,897 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 01:55:34,898 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 01:55:34,898 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 01:55:34,898 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 01:55:34,899 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 01:55:34,899 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 01:55:34,900 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 01:55:34,900 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 01:55:34,901 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 01:55:34,902 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 01:55:34,903 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 01:55:34,903 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 01:55:34,904 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 01:55:34,905 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 01:55:34,905 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 01:55:34,905 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 01:55:34,906 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 01:55:34,906 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 01:55:34,907 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 01:55:34,907 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 01:55:34,908 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 01:55:34,908 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 01:55:34,908 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 01:55:34,908 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 01:55:34,908 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 01:55:34,909 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 01:55:34,909 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 01:55:34,909 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b88a7d25-c47d-4b27-821d-a564e6944eff/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 01:55:34,917 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 01:55:34,917 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 01:55:34,917 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 01:55:34,917 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 01:55:34,918 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 01:55:34,918 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 01:55:34,918 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 01:55:34,918 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 01:55:34,918 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 01:55:34,918 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 01:55:34,918 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 01:55:34,918 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 01:55:34,918 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 01:55:34,919 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 01:55:34,919 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 01:55:34,919 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 01:55:34,919 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 01:55:34,919 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 01:55:34,919 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 01:55:34,919 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 01:55:34,919 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 01:55:34,919 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 01:55:34,919 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 01:55:34,919 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 01:55:34,920 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 01:55:34,920 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 01:55:34,920 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 01:55:34,920 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 01:55:34,920 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 01:55:34,920 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 01:55:34,920 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 01:55:34,920 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 01:55:34,920 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 01:55:34,920 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 01:55:34,920 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 01:55:34,921 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 01:55:34,921 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_b88a7d25-c47d-4b27-821d-a564e6944eff/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 -> f1df426416c0b8e66bfd1bb2b307ec8233b9df30 [2018-12-02 01:55:34,938 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 01:55:34,947 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 01:55:34,949 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 01:55:34,951 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 01:55:34,951 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 01:55:34,951 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b88a7d25-c47d-4b27-821d-a564e6944eff/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product64_true-unreach-call_false-termination.cil.c [2018-12-02 01:55:34,992 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b88a7d25-c47d-4b27-821d-a564e6944eff/bin-2019/utaipan/data/62283bcd6/c3b1ffab1a2d47589aa5c3c9d478fd98/FLAGb900ba1f4 [2018-12-02 01:55:35,447 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 01:55:35,448 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b88a7d25-c47d-4b27-821d-a564e6944eff/sv-benchmarks/c/product-lines/minepump_spec1_product64_true-unreach-call_false-termination.cil.c [2018-12-02 01:55:35,454 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b88a7d25-c47d-4b27-821d-a564e6944eff/bin-2019/utaipan/data/62283bcd6/c3b1ffab1a2d47589aa5c3c9d478fd98/FLAGb900ba1f4 [2018-12-02 01:55:35,462 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b88a7d25-c47d-4b27-821d-a564e6944eff/bin-2019/utaipan/data/62283bcd6/c3b1ffab1a2d47589aa5c3c9d478fd98 [2018-12-02 01:55:35,464 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 01:55:35,465 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 01:55:35,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 01:55:35,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 01:55:35,467 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 01:55:35,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:55:35" (1/1) ... [2018-12-02 01:55:35,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:35, skipping insertion in model container [2018-12-02 01:55:35,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:55:35" (1/1) ... [2018-12-02 01:55:35,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 01:55:35,494 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 01:55:35,641 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:55:35,682 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 01:55:35,735 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:55:35,751 INFO L195 MainTranslator]: Completed translation [2018-12-02 01:55:35,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:35 WrapperNode [2018-12-02 01:55:35,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 01:55:35,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 01:55:35,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 01:55:35,752 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 01:55:35,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:35" (1/1) ... [2018-12-02 01:55:35,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:35" (1/1) ... [2018-12-02 01:55:35,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 01:55:35,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 01:55:35,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 01:55:35,772 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 01:55:35,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:35" (1/1) ... [2018-12-02 01:55:35,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:35" (1/1) ... [2018-12-02 01:55:35,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:35" (1/1) ... [2018-12-02 01:55:35,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:35" (1/1) ... [2018-12-02 01:55:35,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:35" (1/1) ... [2018-12-02 01:55:35,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:35" (1/1) ... [2018-12-02 01:55:35,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:35" (1/1) ... [2018-12-02 01:55:35,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 01:55:35,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 01:55:35,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 01:55:35,795 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 01:55:35,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b88a7d25-c47d-4b27-821d-a564e6944eff/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 [2018-12-02 01:55:35,827 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 01:55:35,827 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 01:55:35,827 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 01:55:35,827 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 01:55:35,827 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 01:55:35,827 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 01:55:35,827 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 01:55:35,828 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 01:55:35,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 01:55:35,828 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 01:55:35,828 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 01:55:35,828 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 01:55:35,828 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 01:55:35,828 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 01:55:35,828 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 01:55:35,828 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 01:55:35,828 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 01:55:35,828 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 01:55:35,828 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 01:55:35,828 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 01:55:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 01:55:35,829 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 01:55:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 01:55:35,829 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 01:55:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 01:55:35,829 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 01:55:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 01:55:35,829 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 01:55:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 01:55:35,829 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 01:55:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 01:55:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 01:55:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 01:55:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 01:55:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 01:55:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 01:55:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 01:55:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 01:55:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 01:55:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 01:55:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 01:55:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 01:55:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 01:55:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 01:55:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 01:55:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 01:55:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 01:55:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 01:55:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 01:55:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 01:55:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 01:55:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 01:55:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 01:55:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 01:55:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 01:55:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 01:55:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 01:55:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 01:55:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 01:55:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 01:55:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 01:55:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 01:55:35,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 01:55:35,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 01:55:35,832 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-02 01:55:35,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-02 01:55:36,159 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 01:55:36,160 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 01:55:36,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:55:36 BoogieIcfgContainer [2018-12-02 01:55:36,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 01:55:36,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 01:55:36,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 01:55:36,163 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 01:55:36,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:55:35" (1/3) ... [2018-12-02 01:55:36,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a2b6192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:55:36, skipping insertion in model container [2018-12-02 01:55:36,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:35" (2/3) ... [2018-12-02 01:55:36,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a2b6192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:55:36, skipping insertion in model container [2018-12-02 01:55:36,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:55:36" (3/3) ... [2018-12-02 01:55:36,166 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product64_true-unreach-call_false-termination.cil.c [2018-12-02 01:55:36,174 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 01:55:36,179 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 01:55:36,188 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 01:55:36,207 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 01:55:36,207 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 01:55:36,207 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 01:55:36,207 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 01:55:36,207 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 01:55:36,207 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 01:55:36,207 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 01:55:36,207 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 01:55:36,220 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2018-12-02 01:55:36,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 01:55:36,224 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:55:36,225 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] [2018-12-02 01:55:36,226 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:55:36,229 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:36,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1935955606, now seen corresponding path program 1 times [2018-12-02 01:55:36,231 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:55:36,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:36,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:55:36,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:36,259 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:55:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:55:36,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:55:36,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:55:36,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 01:55:36,364 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:55:36,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 01:55:36,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 01:55:36,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 01:55:36,376 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 2 states. [2018-12-02 01:55:36,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:55:36,402 INFO L93 Difference]: Finished difference Result 320 states and 399 transitions. [2018-12-02 01:55:36,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 01:55:36,403 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-02 01:55:36,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:55:36,410 INFO L225 Difference]: With dead ends: 320 [2018-12-02 01:55:36,410 INFO L226 Difference]: Without dead ends: 160 [2018-12-02 01:55:36,413 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 [2018-12-02 01:55:36,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-12-02 01:55:36,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-12-02 01:55:36,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-12-02 01:55:36,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 191 transitions. [2018-12-02 01:55:36,445 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 191 transitions. Word has length 46 [2018-12-02 01:55:36,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:55:36,446 INFO L480 AbstractCegarLoop]: Abstraction has 160 states and 191 transitions. [2018-12-02 01:55:36,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 01:55:36,446 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 191 transitions. [2018-12-02 01:55:36,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 01:55:36,447 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:55:36,448 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] [2018-12-02 01:55:36,448 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:55:36,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:36,448 INFO L82 PathProgramCache]: Analyzing trace with hash 699503447, now seen corresponding path program 1 times [2018-12-02 01:55:36,448 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:55:36,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:36,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:55:36,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:36,449 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:55:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:55:36,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:55:36,497 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:55:36,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 01:55:36,497 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:55:36,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 01:55:36,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 01:55:36,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 01:55:36,498 INFO L87 Difference]: Start difference. First operand 160 states and 191 transitions. Second operand 3 states. [2018-12-02 01:55:36,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:55:36,512 INFO L93 Difference]: Finished difference Result 259 states and 309 transitions. [2018-12-02 01:55:36,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 01:55:36,513 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-02 01:55:36,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:55:36,514 INFO L225 Difference]: With dead ends: 259 [2018-12-02 01:55:36,514 INFO L226 Difference]: Without dead ends: 151 [2018-12-02 01:55:36,515 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 [2018-12-02 01:55:36,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-12-02 01:55:36,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-12-02 01:55:36,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-12-02 01:55:36,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 179 transitions. [2018-12-02 01:55:36,523 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 179 transitions. Word has length 47 [2018-12-02 01:55:36,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:55:36,523 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 179 transitions. [2018-12-02 01:55:36,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 01:55:36,523 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 179 transitions. [2018-12-02 01:55:36,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 01:55:36,524 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:55:36,524 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] [2018-12-02 01:55:36,524 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:55:36,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:36,524 INFO L82 PathProgramCache]: Analyzing trace with hash -707550223, now seen corresponding path program 1 times [2018-12-02 01:55:36,524 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:55:36,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:36,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:55:36,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:36,525 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:55:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:55:36,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:55:36,587 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:55:36,587 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 01:55:36,588 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:55:36,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 01:55:36,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 01:55:36,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 01:55:36,588 INFO L87 Difference]: Start difference. First operand 151 states and 179 transitions. Second operand 7 states. [2018-12-02 01:55:36,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:55:36,857 INFO L93 Difference]: Finished difference Result 455 states and 557 transitions. [2018-12-02 01:55:36,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 01:55:36,857 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-02 01:55:36,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:55:36,859 INFO L225 Difference]: With dead ends: 455 [2018-12-02 01:55:36,859 INFO L226 Difference]: Without dead ends: 328 [2018-12-02 01:55:36,860 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 01:55:36,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2018-12-02 01:55:36,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 316. [2018-12-02 01:55:36,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-12-02 01:55:36,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 386 transitions. [2018-12-02 01:55:36,880 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 386 transitions. Word has length 52 [2018-12-02 01:55:36,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:55:36,880 INFO L480 AbstractCegarLoop]: Abstraction has 316 states and 386 transitions. [2018-12-02 01:55:36,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 01:55:36,881 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 386 transitions. [2018-12-02 01:55:36,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 01:55:36,882 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:55:36,882 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] [2018-12-02 01:55:36,882 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:55:36,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:36,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1758028970, now seen corresponding path program 1 times [2018-12-02 01:55:36,882 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:55:36,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:36,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:55:36,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:36,883 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:55:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:55:36,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:55:36,938 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:55:36,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 01:55:36,939 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:55:36,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 01:55:36,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 01:55:36,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 01:55:36,939 INFO L87 Difference]: Start difference. First operand 316 states and 386 transitions. Second operand 6 states. [2018-12-02 01:55:37,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:55:37,072 INFO L93 Difference]: Finished difference Result 885 states and 1106 transitions. [2018-12-02 01:55:37,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 01:55:37,073 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-02 01:55:37,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:55:37,076 INFO L225 Difference]: With dead ends: 885 [2018-12-02 01:55:37,076 INFO L226 Difference]: Without dead ends: 593 [2018-12-02 01:55:37,078 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 [2018-12-02 01:55:37,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2018-12-02 01:55:37,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 587. [2018-12-02 01:55:37,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2018-12-02 01:55:37,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 722 transitions. [2018-12-02 01:55:37,123 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 722 transitions. Word has length 57 [2018-12-02 01:55:37,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:55:37,123 INFO L480 AbstractCegarLoop]: Abstraction has 587 states and 722 transitions. [2018-12-02 01:55:37,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 01:55:37,124 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 722 transitions. [2018-12-02 01:55:37,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-02 01:55:37,126 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:55:37,126 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] [2018-12-02 01:55:37,126 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:55:37,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:37,127 INFO L82 PathProgramCache]: Analyzing trace with hash -25290534, now seen corresponding path program 1 times [2018-12-02 01:55:37,127 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:55:37,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:37,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:55:37,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:37,128 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:55:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:55:37,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:55:37,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:55:37,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 01:55:37,183 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:55:37,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 01:55:37,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 01:55:37,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 01:55:37,184 INFO L87 Difference]: Start difference. First operand 587 states and 722 transitions. Second operand 7 states. [2018-12-02 01:55:37,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:55:37,533 INFO L93 Difference]: Finished difference Result 1538 states and 2007 transitions. [2018-12-02 01:55:37,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 01:55:37,534 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-12-02 01:55:37,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:55:37,537 INFO L225 Difference]: With dead ends: 1538 [2018-12-02 01:55:37,537 INFO L226 Difference]: Without dead ends: 975 [2018-12-02 01:55:37,538 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 01:55:37,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2018-12-02 01:55:37,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 877. [2018-12-02 01:55:37,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 877 states. [2018-12-02 01:55:37,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1063 transitions. [2018-12-02 01:55:37,569 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1063 transitions. Word has length 61 [2018-12-02 01:55:37,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:55:37,569 INFO L480 AbstractCegarLoop]: Abstraction has 877 states and 1063 transitions. [2018-12-02 01:55:37,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 01:55:37,569 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1063 transitions. [2018-12-02 01:55:37,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-02 01:55:37,571 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:55:37,571 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:55:37,571 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:55:37,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:37,571 INFO L82 PathProgramCache]: Analyzing trace with hash -841415156, now seen corresponding path program 1 times [2018-12-02 01:55:37,571 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:55:37,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:37,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:55:37,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:37,572 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:55:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:55:37,621 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 01:55:37,621 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:55:37,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 01:55:37,621 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:55:37,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 01:55:37,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 01:55:37,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 01:55:37,622 INFO L87 Difference]: Start difference. First operand 877 states and 1063 transitions. Second operand 6 states. [2018-12-02 01:55:37,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:55:37,656 INFO L93 Difference]: Finished difference Result 1758 states and 2206 transitions. [2018-12-02 01:55:37,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 01:55:37,657 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-12-02 01:55:37,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:55:37,660 INFO L225 Difference]: With dead ends: 1758 [2018-12-02 01:55:37,660 INFO L226 Difference]: Without dead ends: 905 [2018-12-02 01:55:37,661 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 [2018-12-02 01:55:37,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2018-12-02 01:55:37,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 897. [2018-12-02 01:55:37,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 897 states. [2018-12-02 01:55:37,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1083 transitions. [2018-12-02 01:55:37,691 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1083 transitions. Word has length 104 [2018-12-02 01:55:37,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:55:37,692 INFO L480 AbstractCegarLoop]: Abstraction has 897 states and 1083 transitions. [2018-12-02 01:55:37,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 01:55:37,692 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1083 transitions. [2018-12-02 01:55:37,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-02 01:55:37,693 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:55:37,693 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:55:37,694 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:55:37,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:37,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1194503538, now seen corresponding path program 1 times [2018-12-02 01:55:37,694 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:55:37,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:37,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:55:37,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:37,695 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:55:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:55:37,760 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 01:55:37,761 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:55:37,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 01:55:37,761 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:55:37,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 01:55:37,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 01:55:37,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 01:55:37,762 INFO L87 Difference]: Start difference. First operand 897 states and 1083 transitions. Second operand 8 states. [2018-12-02 01:55:37,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:55:37,807 INFO L93 Difference]: Finished difference Result 1798 states and 2246 transitions. [2018-12-02 01:55:37,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 01:55:37,808 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-12-02 01:55:37,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:55:37,810 INFO L225 Difference]: With dead ends: 1798 [2018-12-02 01:55:37,810 INFO L226 Difference]: Without dead ends: 925 [2018-12-02 01:55:37,812 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 [2018-12-02 01:55:37,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2018-12-02 01:55:37,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 913. [2018-12-02 01:55:37,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 913 states. [2018-12-02 01:55:37,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1099 transitions. [2018-12-02 01:55:37,848 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1099 transitions. Word has length 104 [2018-12-02 01:55:37,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:55:37,849 INFO L480 AbstractCegarLoop]: Abstraction has 913 states and 1099 transitions. [2018-12-02 01:55:37,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 01:55:37,849 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1099 transitions. [2018-12-02 01:55:37,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-02 01:55:37,850 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:55:37,850 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:55:37,850 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:55:37,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:37,850 INFO L82 PathProgramCache]: Analyzing trace with hash -61312945, now seen corresponding path program 1 times [2018-12-02 01:55:37,850 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:55:37,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:37,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:55:37,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:37,851 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:55:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:55:37,903 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 01:55:37,904 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:55:37,904 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 01:55:37,904 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:55:37,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 01:55:37,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 01:55:37,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 01:55:37,904 INFO L87 Difference]: Start difference. First operand 913 states and 1099 transitions. Second operand 4 states. [2018-12-02 01:55:38,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:55:38,091 INFO L93 Difference]: Finished difference Result 2891 states and 3646 transitions. [2018-12-02 01:55:38,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 01:55:38,092 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-12-02 01:55:38,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:55:38,100 INFO L225 Difference]: With dead ends: 2891 [2018-12-02 01:55:38,100 INFO L226 Difference]: Without dead ends: 2002 [2018-12-02 01:55:38,103 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 [2018-12-02 01:55:38,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2002 states. [2018-12-02 01:55:38,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2002 to 1971. [2018-12-02 01:55:38,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1971 states. [2018-12-02 01:55:38,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1971 states to 1971 states and 2435 transitions. [2018-12-02 01:55:38,196 INFO L78 Accepts]: Start accepts. Automaton has 1971 states and 2435 transitions. Word has length 104 [2018-12-02 01:55:38,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:55:38,196 INFO L480 AbstractCegarLoop]: Abstraction has 1971 states and 2435 transitions. [2018-12-02 01:55:38,196 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 01:55:38,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1971 states and 2435 transitions. [2018-12-02 01:55:38,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-02 01:55:38,199 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:55:38,199 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:55:38,199 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:55:38,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:38,199 INFO L82 PathProgramCache]: Analyzing trace with hash 913162921, now seen corresponding path program 1 times [2018-12-02 01:55:38,199 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:55:38,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:38,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:55:38,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:38,200 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:55:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:55:38,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 01:55:38,289 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:55:38,289 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 01:55:38,290 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 109 with the following transitions: [2018-12-02 01:55:38,292 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [46], [47], [59], [62], [64], [65], [68], [72], [73], [74], [89], [92], [94], [103], [107], [111], [114], [119], [122], [127], [133], [139], [147], [148], [151], [152], [153], [155], [160], [163], [164], [166], [171], [173], [174], [179], [181], [187], [191], [224], [225], [233], [239], [242], [244], [247], [257], [260], [264], [265], [268], [270], [273], [275], [278], [287], [288], [289], [290], [291], [292], [293], [294], [295], [303], [304], [309], [311], [312], [319], [320], [321], [322], [323], [324], [329], [333], [334], [335], [336], [337], [338], [341], [342], [343], [349], [350], [351], [353], [354], [355], [356], [361], [362], [363], [364], [365] [2018-12-02 01:55:38,316 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 01:55:38,316 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 01:55:38,567 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 01:55:38,568 INFO L272 AbstractInterpreter]: Visited 80 different actions 80 times. Never merged. Never widened. Performed 2727 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2727 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-02 01:55:38,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:38,572 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 01:55:38,800 INFO L227 lantSequenceWeakener]: Weakened 78 states. On average, predicates are now at 97.31% of their original sizes. [2018-12-02 01:55:38,800 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 01:55:38,883 INFO L418 sIntCurrentIteration]: We unified 107 AI predicates to 107 [2018-12-02 01:55:38,883 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 01:55:38,883 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 01:55:38,884 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [13] total 26 [2018-12-02 01:55:38,884 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:55:38,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-02 01:55:38,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-02 01:55:38,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-12-02 01:55:38,884 INFO L87 Difference]: Start difference. First operand 1971 states and 2435 transitions. Second operand 15 states. [2018-12-02 01:55:42,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:55:42,266 INFO L93 Difference]: Finished difference Result 4267 states and 5301 transitions. [2018-12-02 01:55:42,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-12-02 01:55:42,266 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 108 [2018-12-02 01:55:42,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:55:42,272 INFO L225 Difference]: With dead ends: 4267 [2018-12-02 01:55:42,272 INFO L226 Difference]: Without dead ends: 2320 [2018-12-02 01:55:42,275 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 119 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=578, Unknown=0, NotChecked=0, Total=702 [2018-12-02 01:55:42,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2320 states. [2018-12-02 01:55:42,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2320 to 2301. [2018-12-02 01:55:42,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2301 states. [2018-12-02 01:55:42,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 2301 states and 2750 transitions. [2018-12-02 01:55:42,335 INFO L78 Accepts]: Start accepts. Automaton has 2301 states and 2750 transitions. Word has length 108 [2018-12-02 01:55:42,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:55:42,336 INFO L480 AbstractCegarLoop]: Abstraction has 2301 states and 2750 transitions. [2018-12-02 01:55:42,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-02 01:55:42,336 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 2750 transitions. [2018-12-02 01:55:42,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-02 01:55:42,340 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:55:42,340 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1] [2018-12-02 01:55:42,340 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:55:42,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:42,340 INFO L82 PathProgramCache]: Analyzing trace with hash 674893287, now seen corresponding path program 1 times [2018-12-02 01:55:42,340 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:55:42,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:42,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:55:42,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:55:42,341 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:55:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:55:42,431 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-02 01:55:42,431 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:55:42,431 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 01:55:42,431 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 179 with the following transitions: [2018-12-02 01:55:42,431 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [46], [47], [48], [50], [53], [57], [58], [59], [62], [64], [65], [68], [72], [73], [74], [77], [79], [85], [89], [92], [93], [94], [103], [107], [111], [114], [117], [119], [122], [125], [127], [133], [139], [147], [148], [149], [150], [151], [152], [153], [155], [160], [163], [164], [166], [171], [173], [174], [179], [181], [184], [187], [191], [197], [224], [225], [228], [232], [233], [239], [242], [244], [247], [254], [257], [260], [264], [265], [268], [270], [273], [275], [278], [284], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [297], [298], [301], [302], [303], [304], [307], [308], [309], [311], [312], [313], [314], [317], [318], [319], [320], [321], [322], [323], [324], [329], [330], [333], [334], [335], [336], [337], [338], [339], [340], [341], [342], [343], [344], [349], [350], [351], [353], [354], [355], [356], [359], [360], [361], [362], [363], [364], [365] [2018-12-02 01:55:42,434 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 01:55:42,434 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 01:55:44,077 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 01:55:44,077 INFO L272 AbstractInterpreter]: Visited 145 different actions 1422 times. Merged at 21 different actions 99 times. Never widened. Performed 48522 root evaluator evaluations with a maximum evaluation depth of 5. Performed 48522 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 23 fixpoints after 5 different actions. Largest state had 133 variables. [2018-12-02 01:55:44,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:55:44,083 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 01:55:44,083 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:55:44,083 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b88a7d25-c47d-4b27-821d-a564e6944eff/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 [2018-12-02 01:55:44,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:55:44,089 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 01:55:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:55:44,175 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:55:44,304 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 01:55:44,304 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 01:55:44,616 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-02 01:55:44,632 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 01:55:44,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-02 01:55:44,632 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:55:44,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 01:55:44,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 01:55:44,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-02 01:55:44,633 INFO L87 Difference]: Start difference. First operand 2301 states and 2750 transitions. Second operand 8 states. [2018-12-02 01:55:44,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:55:44,848 INFO L93 Difference]: Finished difference Result 3635 states and 4436 transitions. [2018-12-02 01:55:44,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 01:55:44,848 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 178 [2018-12-02 01:55:44,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:55:44,849 INFO L225 Difference]: With dead ends: 3635 [2018-12-02 01:55:44,849 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 01:55:44,855 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 341 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-02 01:55:44,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 01:55:44,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 01:55:44,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 01:55:44,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 01:55:44,856 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2018-12-02 01:55:44,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:55:44,856 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 01:55:44,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 01:55:44,856 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 01:55:44,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 01:55:44,860 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 01:55:45,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:45,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:55:46,185 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 41 [2018-12-02 01:55:46,686 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 38 [2018-12-02 01:55:47,613 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 40 [2018-12-02 01:55:47,789 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2018-12-02 01:55:47,789 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2018-12-02 01:55:47,789 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2018-12-02 01:55:47,789 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2018-12-02 01:55:47,789 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2018-12-02 01:55:47,790 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 558 580) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:55:47,790 INFO L444 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:55:47,790 INFO L444 ceAbstractionStarter]: At program point L570-1(line 570) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:55:47,790 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 558 580) no Hoare annotation was computed. [2018-12-02 01:55:47,790 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 575) no Hoare annotation was computed. [2018-12-02 01:55:47,790 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 568 575) no Hoare annotation was computed. [2018-12-02 01:55:47,790 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-02 01:55:47,790 INFO L444 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:55:47,790 INFO L444 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:55:47,790 INFO L444 ceAbstractionStarter]: At program point L564-1(line 564) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:55:47,790 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 558 580) no Hoare annotation was computed. [2018-12-02 01:55:47,791 INFO L444 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= 0 ~pumpRunning~0) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 01:55:47,791 INFO L448 ceAbstractionStarter]: For program point L670-1(lines 651 675) no Hoare annotation was computed. [2018-12-02 01:55:47,791 INFO L444 ceAbstractionStarter]: At program point L665(line 665) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-02 01:55:47,791 INFO L444 ceAbstractionStarter]: At program point L661(line 661) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-02 01:55:47,791 INFO L448 ceAbstractionStarter]: For program point L659(lines 659 667) no Hoare annotation was computed. [2018-12-02 01:55:47,791 INFO L444 ceAbstractionStarter]: At program point L657(line 657) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-02 01:55:47,791 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 651 675) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 01:55:47,791 INFO L448 ceAbstractionStarter]: For program point L657-1(line 657) no Hoare annotation was computed. [2018-12-02 01:55:47,791 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 672) no Hoare annotation was computed. [2018-12-02 01:55:47,791 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 651 675) no Hoare annotation was computed. [2018-12-02 01:55:47,791 INFO L448 ceAbstractionStarter]: For program point L833(lines 833 839) no Hoare annotation was computed. [2018-12-02 01:55:47,791 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 829 843) no Hoare annotation was computed. [2018-12-02 01:55:47,791 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 829 843) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (= ~systemActive~0 1)) (.cse4 (not (= |old(~systemActive~0)| 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (and (not (= ~systemActive~0 0)) .cse2)) (.cse7 (= |old(~systemActive~0)| 0))) (and (or (or .cse0 .cse1) .cse2) (or .cse3 .cse4 .cse1) (or .cse5 .cse3 .cse4) (or .cse5 .cse0 .cse2) (or .cse6 .cse7 .cse1) (or .cse5 .cse6 .cse7)))) [2018-12-02 01:55:47,791 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 829 843) no Hoare annotation was computed. [2018-12-02 01:55:47,791 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 1)) (.cse3 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse6 (= |old(~systemActive~0)| 0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3) (or .cse1 .cse4) (or .cse5 .cse6 .cse4) (or .cse0 .cse5 .cse6))) [2018-12-02 01:55:47,791 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 746 754) no Hoare annotation was computed. [2018-12-02 01:55:47,791 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 746 754) the Hoare annotation is: true [2018-12-02 01:55:47,792 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 746 754) no Hoare annotation was computed. [2018-12-02 01:55:47,792 INFO L451 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: true [2018-12-02 01:55:47,792 INFO L448 ceAbstractionStarter]: For program point L819-2(lines 819 823) no Hoare annotation was computed. [2018-12-02 01:55:47,792 INFO L448 ceAbstractionStarter]: For program point L817-1(line 817) no Hoare annotation was computed. [2018-12-02 01:55:47,792 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 810 828) the Hoare annotation is: true [2018-12-02 01:55:47,792 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 810 828) no Hoare annotation was computed. [2018-12-02 01:55:47,792 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 823) no Hoare annotation was computed. [2018-12-02 01:55:47,792 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 810 828) no Hoare annotation was computed. [2018-12-02 01:55:47,792 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2018-12-02 01:55:47,792 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2018-12-02 01:55:47,792 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 548 557) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:55:47,792 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 548 557) no Hoare annotation was computed. [2018-12-02 01:55:47,792 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 548 557) no Hoare annotation was computed. [2018-12-02 01:55:47,792 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 735 745) the Hoare annotation is: true [2018-12-02 01:55:47,792 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 735 745) no Hoare annotation was computed. [2018-12-02 01:55:47,792 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 735 745) no Hoare annotation was computed. [2018-12-02 01:55:47,792 INFO L451 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: true [2018-12-02 01:55:47,792 INFO L448 ceAbstractionStarter]: For program point L740-1(line 740) no Hoare annotation was computed. [2018-12-02 01:55:47,792 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 727 734) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-02 01:55:47,792 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 727 734) no Hoare annotation was computed. [2018-12-02 01:55:47,792 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 727 734) no Hoare annotation was computed. [2018-12-02 01:55:47,792 INFO L448 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2018-12-02 01:55:47,792 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 933 946) no Hoare annotation was computed. [2018-12-02 01:55:47,793 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 933 946) the Hoare annotation is: true [2018-12-02 01:55:47,793 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 933 946) no Hoare annotation was computed. [2018-12-02 01:55:47,793 INFO L444 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (let ((.cse1 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 01:55:47,793 INFO L448 ceAbstractionStarter]: For program point L696-1(lines 677 701) no Hoare annotation was computed. [2018-12-02 01:55:47,793 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 677 701) no Hoare annotation was computed. [2018-12-02 01:55:47,793 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 677 701) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-02 01:55:47,793 INFO L444 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-12-02 01:55:47,793 INFO L444 ceAbstractionStarter]: At program point L687(line 687) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse0 .cse1) (or .cse4 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~7) .cse3) .cse1))) [2018-12-02 01:55:47,793 INFO L448 ceAbstractionStarter]: For program point L685(lines 685 693) no Hoare annotation was computed. [2018-12-02 01:55:47,793 INFO L444 ceAbstractionStarter]: At program point L683(line 683) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse0 .cse1) (or .cse4 .cse3 .cse1))) [2018-12-02 01:55:47,793 INFO L448 ceAbstractionStarter]: For program point L683-1(line 683) no Hoare annotation was computed. [2018-12-02 01:55:47,793 INFO L448 ceAbstractionStarter]: For program point L681(lines 681 698) no Hoare annotation was computed. [2018-12-02 01:55:47,793 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 617 623) no Hoare annotation was computed. [2018-12-02 01:55:47,793 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 617 623) the Hoare annotation is: true [2018-12-02 01:55:47,793 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 957 1024) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:55:47,793 INFO L444 ceAbstractionStarter]: At program point L989(line 989) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse1) (and .cse2 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-12-02 01:55:47,793 INFO L448 ceAbstractionStarter]: For program point L987(lines 987 993) no Hoare annotation was computed. [2018-12-02 01:55:47,793 INFO L448 ceAbstractionStarter]: For program point L987-1(lines 987 993) no Hoare annotation was computed. [2018-12-02 01:55:47,793 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 957 1024) no Hoare annotation was computed. [2018-12-02 01:55:47,794 INFO L444 ceAbstractionStarter]: At program point L1014(lines 967 1016) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse1) (and .cse2 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-12-02 01:55:47,794 INFO L444 ceAbstractionStarter]: At program point L979(line 979) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse1) (and .cse2 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-12-02 01:55:47,794 INFO L448 ceAbstractionStarter]: For program point L977(lines 977 983) no Hoare annotation was computed. [2018-12-02 01:55:47,794 INFO L448 ceAbstractionStarter]: For program point L977-1(lines 977 983) no Hoare annotation was computed. [2018-12-02 01:55:47,794 INFO L448 ceAbstractionStarter]: For program point L969(lines 969 973) no Hoare annotation was computed. [2018-12-02 01:55:47,794 INFO L444 ceAbstractionStarter]: At program point L1017(lines 966 1018) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:55:47,794 INFO L444 ceAbstractionStarter]: At program point L1007(line 1007) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 0))) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse4 .cse2) (and .cse0 .cse3 .cse2))) [2018-12-02 01:55:47,794 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1011) no Hoare annotation was computed. [2018-12-02 01:55:47,794 INFO L444 ceAbstractionStarter]: At program point L1005-1(lines 997 1012) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 0))) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse4 .cse2) (and .cse0 .cse3 .cse2))) [2018-12-02 01:55:47,794 INFO L448 ceAbstractionStarter]: For program point L968(lines 967 1016) no Hoare annotation was computed. [2018-12-02 01:55:47,794 INFO L444 ceAbstractionStarter]: At program point L999(line 999) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 01:55:47,794 INFO L448 ceAbstractionStarter]: For program point L997(lines 997 1012) no Hoare annotation was computed. [2018-12-02 01:55:47,794 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 957 1024) no Hoare annotation was computed. [2018-12-02 01:55:47,794 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 702 709) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) [2018-12-02 01:55:47,794 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 702 709) no Hoare annotation was computed. [2018-12-02 01:55:47,794 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 702 709) no Hoare annotation was computed. [2018-12-02 01:55:47,794 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 947 955) no Hoare annotation was computed. [2018-12-02 01:55:47,794 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 947 955) the Hoare annotation is: true [2018-12-02 01:55:47,794 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 947 955) no Hoare annotation was computed. [2018-12-02 01:55:47,794 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 01:55:47,795 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-02 01:55:47,795 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 01:55:47,795 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-02 01:55:47,795 INFO L448 ceAbstractionStarter]: For program point L721-1(lines 710 726) no Hoare annotation was computed. [2018-12-02 01:55:47,795 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 723) no Hoare annotation was computed. [2018-12-02 01:55:47,795 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 710 726) no Hoare annotation was computed. [2018-12-02 01:55:47,795 INFO L444 ceAbstractionStarter]: At program point L715(line 715) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-02 01:55:47,795 INFO L448 ceAbstractionStarter]: For program point L715-1(line 715) no Hoare annotation was computed. [2018-12-02 01:55:47,795 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 710 726) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-02 01:55:47,795 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 791 809) no Hoare annotation was computed. [2018-12-02 01:55:47,795 INFO L448 ceAbstractionStarter]: For program point L800(lines 800 804) no Hoare annotation was computed. [2018-12-02 01:55:47,795 INFO L451 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-12-02 01:55:47,795 INFO L448 ceAbstractionStarter]: For program point L800-2(lines 800 804) no Hoare annotation was computed. [2018-12-02 01:55:47,795 INFO L448 ceAbstractionStarter]: For program point L798-1(line 798) no Hoare annotation was computed. [2018-12-02 01:55:47,795 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 791 809) the Hoare annotation is: true [2018-12-02 01:55:47,795 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 791 809) no Hoare annotation was computed. [2018-12-02 01:55:47,795 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 880 891) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= ~methaneLevelCritical~0 1)) (or .cse0 .cse1 .cse2) (or .cse2 (= ~systemActive~0 0) .cse1))) [2018-12-02 01:55:47,795 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 880 891) no Hoare annotation was computed. [2018-12-02 01:55:47,795 INFO L448 ceAbstractionStarter]: For program point L884-1(lines 880 891) no Hoare annotation was computed. [2018-12-02 01:55:47,795 INFO L444 ceAbstractionStarter]: At program point L606(line 606) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 0)) (.cse1 (= |old(~waterLevel~0)| 1))) (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse8 (= 1 ~waterLevel~0)) (.cse9 (not .cse1)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not .cse6)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (= ~waterLevel~0 2)) (.cse11 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4)) (or .cse5 .cse6 .cse7) (or .cse8 .cse2 .cse9 .cse7) (or .cse1 .cse2 .cse4 .cse7) (or .cse0 .cse2 (and .cse8 .cse3) .cse9) (or .cse2 (not (= ~systemActive~0 1)) .cse10 .cse7 .cse11) (or .cse0 .cse5 .cse6) (or .cse3 .cse2 .cse7) (or .cse0 .cse2 .cse10 .cse11)))) [2018-12-02 01:55:47,796 INFO L444 ceAbstractionStarter]: At program point L604(lines 604 610) the Hoare annotation is: (let ((.cse9 (= ~systemActive~0 0)) (.cse6 (not (= ~waterLevel~0 1))) (.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse3 (= 1 ~waterLevel~0)) (.cse1 (not .cse5)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (and (not .cse9) .cse6)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6) (or .cse0 .cse7 .cse2 .cse8) (or .cse4 .cse0 .cse8) (or .cse5 .cse6 .cse0 .cse2) (or .cse4 .cse9 .cse10) (or .cse4 .cse0 .cse3 .cse1) (or .cse4 (= ~waterLevel~0 2) .cse0 (not (= |old(~waterLevel~0)| 2))) (or .cse8 .cse9 .cse7 .cse2 .cse10)))) [2018-12-02 01:55:47,796 INFO L444 ceAbstractionStarter]: At program point L599(line 599) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (= ~systemActive~0 0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse1 .cse4) (or .cse0 .cse2 .cse3))) [2018-12-02 01:55:47,796 INFO L448 ceAbstractionStarter]: For program point L597(lines 596 615) no Hoare annotation was computed. [2018-12-02 01:55:47,796 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 593 616) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| 1))) (let ((.cse8 (= 1 ~waterLevel~0)) (.cse7 (not .cse2)) (.cse9 (= ~waterLevel~0 2)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~waterLevel~0 1))) (.cse3 (= ~systemActive~0 0)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5) (or .cse1 .cse2 .cse6 .cse0) (or .cse2 (and .cse0 .cse4) .cse6 .cse5) (or .cse1 .cse6 .cse4) (or .cse6 .cse7 .cse5 (and .cse8 .cse4)) (or .cse6 (not (= ~systemActive~0 1)) .cse9 .cse5 .cse10) (or .cse1 .cse6 .cse8 .cse7) (or .cse1 .cse9 .cse6 .cse10) (or .cse1 .cse4 .cse3) (or .cse2 .cse0 .cse3 .cse5)))) [2018-12-02 01:55:47,796 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 593 616) no Hoare annotation was computed. [2018-12-02 01:55:47,796 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 593 616) no Hoare annotation was computed. [2018-12-02 01:55:47,796 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 483 512) no Hoare annotation was computed. [2018-12-02 01:55:47,796 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 483 512) the Hoare annotation is: true [2018-12-02 01:55:47,796 INFO L451 ceAbstractionStarter]: At program point L508(lines 483 512) the Hoare annotation is: true [2018-12-02 01:55:47,796 INFO L448 ceAbstractionStarter]: For program point L504(line 504) no Hoare annotation was computed. [2018-12-02 01:55:47,796 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 501) no Hoare annotation was computed. [2018-12-02 01:55:47,796 INFO L451 ceAbstractionStarter]: At program point L497-1(lines 497 501) the Hoare annotation is: true [2018-12-02 01:55:47,796 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-02 01:55:47,796 INFO L451 ceAbstractionStarter]: At program point L493-2(lines 493 507) the Hoare annotation is: true [2018-12-02 01:55:47,796 INFO L451 ceAbstractionStarter]: At program point L489(line 489) the Hoare annotation is: true [2018-12-02 01:55:47,796 INFO L448 ceAbstractionStarter]: For program point L489-1(line 489) no Hoare annotation was computed. [2018-12-02 01:55:47,796 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 892 900) the Hoare annotation is: true [2018-12-02 01:55:47,796 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 892 900) no Hoare annotation was computed. [2018-12-02 01:55:47,796 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 892 900) no Hoare annotation was computed. [2018-12-02 01:55:47,796 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 856 867) the Hoare annotation is: true [2018-12-02 01:55:47,796 INFO L448 ceAbstractionStarter]: For program point L860-1(lines 856 867) no Hoare annotation was computed. [2018-12-02 01:55:47,797 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 856 867) no Hoare annotation was computed. [2018-12-02 01:55:47,797 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 540 546) no Hoare annotation was computed. [2018-12-02 01:55:47,797 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 540 546) the Hoare annotation is: true [2018-12-02 01:55:47,797 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 01:55:47,797 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-02 01:55:47,797 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 01:55:47,797 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 01:55:47,797 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 844 851) no Hoare annotation was computed. [2018-12-02 01:55:47,797 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 844 851) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (= ~systemActive~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse1 .cse2 .cse0 .cse3 (not (= ~waterLevel~0 2))))) [2018-12-02 01:55:47,797 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 844 851) no Hoare annotation was computed. [2018-12-02 01:55:47,797 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 625 649) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 01:55:47,797 INFO L444 ceAbstractionStarter]: At program point L639(line 639) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse0 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and .cse0 .cse1) (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or .cse2 (not (= ~methaneLevelCritical~0 0)) (and .cse0 (= 0 ~pumpRunning~0) .cse1)))) [2018-12-02 01:55:47,797 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 625 649) no Hoare annotation was computed. [2018-12-02 01:55:47,797 INFO L444 ceAbstractionStarter]: At program point L635(line 635) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse4 (not (= ~waterLevel~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse2 (and (= 0 ~pumpRunning~0) .cse3) .cse5) (or .cse2 .cse4 .cse5))) [2018-12-02 01:55:47,797 INFO L448 ceAbstractionStarter]: For program point L633(lines 633 641) no Hoare annotation was computed. [2018-12-02 01:55:47,797 INFO L444 ceAbstractionStarter]: At program point L631(line 631) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= 0 ~pumpRunning~0) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 01:55:47,797 INFO L448 ceAbstractionStarter]: For program point L631-1(line 631) no Hoare annotation was computed. [2018-12-02 01:55:47,797 INFO L448 ceAbstractionStarter]: For program point L629(lines 629 646) no Hoare annotation was computed. [2018-12-02 01:55:47,797 INFO L444 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-02 01:55:47,797 INFO L448 ceAbstractionStarter]: For program point L644-1(lines 625 649) no Hoare annotation was computed. [2018-12-02 01:55:47,798 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 868 879) no Hoare annotation was computed. [2018-12-02 01:55:47,798 INFO L448 ceAbstractionStarter]: For program point L872-1(lines 868 879) no Hoare annotation was computed. [2018-12-02 01:55:47,798 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 868 879) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= ~waterLevel~0 2)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse3 .cse4 .cse2) (or .cse0 .cse5 .cse1 .cse6) (or .cse5 (or .cse1 (not (= ~systemActive~0 1)) .cse4) .cse6))) [2018-12-02 01:55:47,798 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-02 01:55:47,798 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-02 01:55:47,798 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-02 01:55:47,798 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-02 01:55:47,798 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 110) no Hoare annotation was computed. [2018-12-02 01:55:47,798 INFO L448 ceAbstractionStarter]: For program point L97-1(lines 89 113) no Hoare annotation was computed. [2018-12-02 01:55:47,798 INFO L451 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: true [2018-12-02 01:55:47,798 INFO L448 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2018-12-02 01:55:47,798 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 89 113) the Hoare annotation is: true [2018-12-02 01:55:47,798 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 89 113) no Hoare annotation was computed. [2018-12-02 01:55:47,798 INFO L444 ceAbstractionStarter]: At program point L103(line 103) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse1 .cse0))) [2018-12-02 01:55:47,798 INFO L448 ceAbstractionStarter]: For program point L101(lines 101 107) no Hoare annotation was computed. [2018-12-02 01:55:47,798 INFO L444 ceAbstractionStarter]: At program point L99(line 99) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2018-12-02 01:55:47,798 INFO L448 ceAbstractionStarter]: For program point L99-1(line 99) no Hoare annotation was computed. [2018-12-02 01:55:47,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:55:47 BoogieIcfgContainer [2018-12-02 01:55:47,807 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 01:55:47,807 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 01:55:47,807 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 01:55:47,807 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 01:55:47,807 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:55:36" (3/4) ... [2018-12-02 01:55:47,810 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 01:55:47,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 01:55:47,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 01:55:47,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 01:55:47,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-02 01:55:47,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-02 01:55:47,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 01:55:47,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 01:55:47,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 01:55:47,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 01:55:47,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 01:55:47,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 01:55:47,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 01:55:47,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 01:55:47,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 01:55:47,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 01:55:47,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-02 01:55:47,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 01:55:47,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 01:55:47,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 01:55:47,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 01:55:47,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 01:55:47,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 01:55:47,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 01:55:47,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 01:55:47,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 01:55:47,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 01:55:47,816 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 01:55:47,816 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 01:55:47,816 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 01:55:47,816 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 01:55:47,816 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-02 01:55:47,820 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-02 01:55:47,820 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-02 01:55:47,821 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 01:55:47,821 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 01:55:47,822 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 01:55:47,822 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 01:55:47,839 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) [2018-12-02 01:55:47,839 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 01:55:47,871 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b88a7d25-c47d-4b27-821d-a564e6944eff/bin-2019/utaipan/witness.graphml [2018-12-02 01:55:47,871 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 01:55:47,872 INFO L168 Benchmark]: Toolchain (without parser) took 12407.68 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 632.3 MB). Free memory was 957.1 MB in the beginning and 1.4 GB in the end (delta: -405.5 MB). Peak memory consumption was 226.8 MB. Max. memory is 11.5 GB. [2018-12-02 01:55:47,872 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 01:55:47,872 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -130.8 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-02 01:55:47,872 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 01:55:47,873 INFO L168 Benchmark]: Boogie Preprocessor took 22.37 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 01:55:47,873 INFO L168 Benchmark]: RCFGBuilder took 365.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2018-12-02 01:55:47,873 INFO L168 Benchmark]: TraceAbstraction took 11645.78 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 533.7 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -350.4 MB). Peak memory consumption was 787.3 MB. Max. memory is 11.5 GB. [2018-12-02 01:55:47,873 INFO L168 Benchmark]: Witness Printer took 64.44 ms. Allocated memory is still 1.7 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-12-02 01:55:47,875 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -130.8 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.37 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 365.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11645.78 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 533.7 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -350.4 MB). Peak memory consumption was 787.3 MB. Max. memory is 11.5 GB. * Witness Printer took 64.44 ms. Allocated memory is still 1.7 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 173 locations, 1 error locations. SAFE Result, 11.5s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 4.7s AutomataDifference, 0.0s DeadEndRemovalTime, 2.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2420 SDtfs, 1548 SDslu, 7577 SDs, 0 SdLazy, 2431 SolverSat, 241 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 562 GetRequests, 468 SyntacticMatches, 6 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2301occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.9s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9968484186335097 AbsIntWeakeningRatio, 1.02803738317757 AbsIntAvgWeakeningVarsNumRemoved, 82.65420560747664 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 186 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 73 LocationsWithAnnotation, 4150 PreInvPairs, 4447 NumberOfFragments, 2144 HoareAnnotationTreeSize, 4150 FomulaSimplifications, 6687 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 73 FomulaSimplificationsInter, 24022 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1039 NumberOfCodeBlocks, 1039 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1205 ConstructedInterpolants, 0 QuantifiedInterpolants, 219358 SizeOfPredicates, 3 NumberOfNonLiveVariables, 933 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 165/171 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...