./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product60_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_008ceaf3-7690-4085-b3d0-10babf41c7d5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_008ceaf3-7690-4085-b3d0-10babf41c7d5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_008ceaf3-7690-4085-b3d0-10babf41c7d5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_008ceaf3-7690-4085-b3d0-10babf41c7d5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product60_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_008ceaf3-7690-4085-b3d0-10babf41c7d5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_008ceaf3-7690-4085-b3d0-10babf41c7d5/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 9f9d802e48c20b812c0aeb303e5b9a04b1c7ed3d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:43:45,700 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 02:43:45,701 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 02:43:45,707 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 02:43:45,707 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 02:43:45,708 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 02:43:45,708 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 02:43:45,709 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 02:43:45,710 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 02:43:45,710 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 02:43:45,711 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 02:43:45,711 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 02:43:45,711 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 02:43:45,712 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 02:43:45,712 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 02:43:45,713 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 02:43:45,713 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 02:43:45,714 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 02:43:45,715 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 02:43:45,716 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 02:43:45,716 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 02:43:45,717 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 02:43:45,719 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 02:43:45,719 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 02:43:45,719 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 02:43:45,720 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 02:43:45,720 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 02:43:45,721 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 02:43:45,721 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 02:43:45,721 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 02:43:45,722 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 02:43:45,722 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 02:43:45,722 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 02:43:45,722 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 02:43:45,723 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 02:43:45,723 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 02:43:45,723 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_008ceaf3-7690-4085-b3d0-10babf41c7d5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 02:43:45,730 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 02:43:45,731 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 02:43:45,731 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 02:43:45,732 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 02:43:45,732 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 02:43:45,732 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 02:43:45,732 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 02:43:45,732 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 02:43:45,732 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 02:43:45,732 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 02:43:45,733 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 02:43:45,733 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 02:43:45,733 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 02:43:45,733 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 02:43:45,734 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 02:43:45,734 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 02:43:45,734 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 02:43:45,734 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 02:43:45,734 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 02:43:45,734 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 02:43:45,735 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 02:43:45,735 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 02:43:45,735 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 02:43:45,735 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 02:43:45,735 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 02:43:45,735 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 02:43:45,736 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 02:43:45,736 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 02:43:45,736 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 02:43:45,736 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 02:43:45,736 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 02:43:45,736 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 02:43:45,736 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 02:43:45,737 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 02:43:45,737 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 02:43:45,737 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 02:43:45,737 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_008ceaf3-7690-4085-b3d0-10babf41c7d5/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 -> 9f9d802e48c20b812c0aeb303e5b9a04b1c7ed3d [2018-12-02 02:43:45,761 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 02:43:45,770 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 02:43:45,772 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 02:43:45,774 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 02:43:45,774 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 02:43:45,774 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_008ceaf3-7690-4085-b3d0-10babf41c7d5/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product60_true-unreach-call_false-termination.cil.c [2018-12-02 02:43:45,818 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_008ceaf3-7690-4085-b3d0-10babf41c7d5/bin-2019/utaipan/data/0a0d013f6/546df826031b49d698c795f58727e92a/FLAG2f32c63f7 [2018-12-02 02:43:46,253 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 02:43:46,253 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_008ceaf3-7690-4085-b3d0-10babf41c7d5/sv-benchmarks/c/product-lines/minepump_spec2_product60_true-unreach-call_false-termination.cil.c [2018-12-02 02:43:46,260 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_008ceaf3-7690-4085-b3d0-10babf41c7d5/bin-2019/utaipan/data/0a0d013f6/546df826031b49d698c795f58727e92a/FLAG2f32c63f7 [2018-12-02 02:43:46,268 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_008ceaf3-7690-4085-b3d0-10babf41c7d5/bin-2019/utaipan/data/0a0d013f6/546df826031b49d698c795f58727e92a [2018-12-02 02:43:46,270 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 02:43:46,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 02:43:46,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 02:43:46,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 02:43:46,273 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 02:43:46,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:43:46" (1/1) ... [2018-12-02 02:43:46,275 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 02:43:46, skipping insertion in model container [2018-12-02 02:43:46,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:43:46" (1/1) ... [2018-12-02 02:43:46,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 02:43:46,300 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 02:43:46,447 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:43:46,463 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 02:43:46,532 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:43:46,547 INFO L195 MainTranslator]: Completed translation [2018-12-02 02:43:46,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:43:46 WrapperNode [2018-12-02 02:43:46,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 02:43:46,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 02:43:46,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 02:43:46,548 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 02:43:46,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:43:46" (1/1) ... [2018-12-02 02:43:46,562 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:43:46" (1/1) ... [2018-12-02 02:43:46,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 02:43:46,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 02:43:46,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 02:43:46,568 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 02:43:46,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:43:46" (1/1) ... [2018-12-02 02:43:46,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:43:46" (1/1) ... [2018-12-02 02:43:46,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:43:46" (1/1) ... [2018-12-02 02:43:46,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:43:46" (1/1) ... [2018-12-02 02:43:46,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:43:46" (1/1) ... [2018-12-02 02:43:46,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:43:46" (1/1) ... [2018-12-02 02:43:46,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:43:46" (1/1) ... [2018-12-02 02:43:46,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 02:43:46,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 02:43:46,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 02:43:46,591 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 02:43:46,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:43:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_008ceaf3-7690-4085-b3d0-10babf41c7d5/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 02:43:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 02:43:46,621 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 02:43:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 02:43:46,622 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 02:43:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 02:43:46,622 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 02:43:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 02:43:46,622 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 02:43:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 02:43:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 02:43:46,622 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 02:43:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 02:43:46,622 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 02:43:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 02:43:46,622 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 02:43:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 02:43:46,623 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 02:43:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 02:43:46,623 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 02:43:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 02:43:46,623 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 02:43:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 02:43:46,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 02:43:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-02 02:43:46,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-02 02:43:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-02 02:43:46,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-02 02:43:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 02:43:46,623 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 02:43:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 02:43:46,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 02:43:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 02:43:46,624 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 02:43:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 02:43:46,624 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 02:43:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 02:43:46,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 02:43:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 02:43:46,624 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 02:43:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 02:43:46,624 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 02:43:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 02:43:46,624 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 02:43:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 02:43:46,624 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 02:43:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 02:43:46,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 02:43:46,625 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 02:43:46,625 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 02:43:46,625 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 02:43:46,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 02:43:46,625 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 02:43:46,625 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 02:43:46,625 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 02:43:46,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 02:43:46,625 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 02:43:46,625 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 02:43:46,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 02:43:46,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 02:43:46,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 02:43:46,625 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 02:43:46,625 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 02:43:46,626 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 02:43:46,626 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 02:43:46,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 02:43:46,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 02:43:46,901 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 02:43:46,901 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 02:43:46,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:43:46 BoogieIcfgContainer [2018-12-02 02:43:46,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 02:43:46,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 02:43:46,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 02:43:46,904 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 02:43:46,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:43:46" (1/3) ... [2018-12-02 02:43:46,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@493c161d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:43:46, skipping insertion in model container [2018-12-02 02:43:46,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:43:46" (2/3) ... [2018-12-02 02:43:46,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@493c161d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:43:46, skipping insertion in model container [2018-12-02 02:43:46,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:43:46" (3/3) ... [2018-12-02 02:43:46,906 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product60_true-unreach-call_false-termination.cil.c [2018-12-02 02:43:46,911 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 02:43:46,916 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 02:43:46,925 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 02:43:46,944 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 02:43:46,944 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 02:43:46,944 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 02:43:46,944 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 02:43:46,944 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 02:43:46,944 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 02:43:46,944 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 02:43:46,944 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 02:43:46,956 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states. [2018-12-02 02:43:46,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 02:43:46,961 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:43:46,962 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:43:46,963 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:43:46,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:43:46,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1691094711, now seen corresponding path program 1 times [2018-12-02 02:43:46,968 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:43:46,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:43:46,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:43:46,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:43:46,996 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:43:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:43:47,108 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 02:43:47,110 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:43:47,110 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 02:43:47,110 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:43:47,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 02:43:47,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 02:43:47,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 02:43:47,122 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 2 states. [2018-12-02 02:43:47,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:43:47,146 INFO L93 Difference]: Finished difference Result 306 states and 377 transitions. [2018-12-02 02:43:47,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 02:43:47,147 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-02 02:43:47,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:43:47,155 INFO L225 Difference]: With dead ends: 306 [2018-12-02 02:43:47,155 INFO L226 Difference]: Without dead ends: 155 [2018-12-02 02:43:47,157 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 02:43:47,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-12-02 02:43:47,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-12-02 02:43:47,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-12-02 02:43:47,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 182 transitions. [2018-12-02 02:43:47,189 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 182 transitions. Word has length 51 [2018-12-02 02:43:47,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:43:47,190 INFO L480 AbstractCegarLoop]: Abstraction has 155 states and 182 transitions. [2018-12-02 02:43:47,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 02:43:47,190 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 182 transitions. [2018-12-02 02:43:47,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 02:43:47,192 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:43:47,192 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 02:43:47,192 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:43:47,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:43:47,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1978148502, now seen corresponding path program 1 times [2018-12-02 02:43:47,192 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:43:47,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:43:47,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:43:47,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:43:47,193 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:43:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:43:47,248 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 02:43:47,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:43:47,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 02:43:47,248 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:43:47,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 02:43:47,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 02:43:47,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 02:43:47,250 INFO L87 Difference]: Start difference. First operand 155 states and 182 transitions. Second operand 3 states. [2018-12-02 02:43:47,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:43:47,264 INFO L93 Difference]: Finished difference Result 245 states and 287 transitions. [2018-12-02 02:43:47,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 02:43:47,264 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-02 02:43:47,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:43:47,266 INFO L225 Difference]: With dead ends: 245 [2018-12-02 02:43:47,266 INFO L226 Difference]: Without dead ends: 146 [2018-12-02 02:43:47,267 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 02:43:47,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-12-02 02:43:47,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-12-02 02:43:47,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-12-02 02:43:47,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 170 transitions. [2018-12-02 02:43:47,276 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 170 transitions. Word has length 52 [2018-12-02 02:43:47,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:43:47,276 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 170 transitions. [2018-12-02 02:43:47,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 02:43:47,277 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 170 transitions. [2018-12-02 02:43:47,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 02:43:47,278 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:43:47,278 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 02:43:47,278 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:43:47,278 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:43:47,278 INFO L82 PathProgramCache]: Analyzing trace with hash -398829445, now seen corresponding path program 1 times [2018-12-02 02:43:47,278 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:43:47,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:43:47,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:43:47,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:43:47,279 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:43:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:43:47,363 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 02:43:47,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:43:47,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 02:43:47,364 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:43:47,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 02:43:47,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 02:43:47,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 02:43:47,365 INFO L87 Difference]: Start difference. First operand 146 states and 170 transitions. Second operand 7 states. [2018-12-02 02:43:47,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:43:47,668 INFO L93 Difference]: Finished difference Result 433 states and 524 transitions. [2018-12-02 02:43:47,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 02:43:47,668 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-02 02:43:47,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:43:47,670 INFO L225 Difference]: With dead ends: 433 [2018-12-02 02:43:47,670 INFO L226 Difference]: Without dead ends: 315 [2018-12-02 02:43:47,671 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 02:43:47,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2018-12-02 02:43:47,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 303. [2018-12-02 02:43:47,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2018-12-02 02:43:47,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 366 transitions. [2018-12-02 02:43:47,693 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 366 transitions. Word has length 57 [2018-12-02 02:43:47,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:43:47,693 INFO L480 AbstractCegarLoop]: Abstraction has 303 states and 366 transitions. [2018-12-02 02:43:47,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 02:43:47,693 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 366 transitions. [2018-12-02 02:43:47,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 02:43:47,694 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:43:47,695 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:43:47,695 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:43:47,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:43:47,695 INFO L82 PathProgramCache]: Analyzing trace with hash -99343383, now seen corresponding path program 1 times [2018-12-02 02:43:47,695 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:43:47,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:43:47,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:43:47,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:43:47,696 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:43:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:43:47,756 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 02:43:47,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:43:47,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 02:43:47,757 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:43:47,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 02:43:47,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 02:43:47,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 02:43:47,758 INFO L87 Difference]: Start difference. First operand 303 states and 366 transitions. Second operand 6 states. [2018-12-02 02:43:47,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:43:47,897 INFO L93 Difference]: Finished difference Result 835 states and 1032 transitions. [2018-12-02 02:43:47,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 02:43:47,898 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-02 02:43:47,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:43:47,901 INFO L225 Difference]: With dead ends: 835 [2018-12-02 02:43:47,901 INFO L226 Difference]: Without dead ends: 560 [2018-12-02 02:43:47,903 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 02:43:47,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2018-12-02 02:43:47,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 554. [2018-12-02 02:43:47,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-12-02 02:43:47,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 672 transitions. [2018-12-02 02:43:47,937 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 672 transitions. Word has length 62 [2018-12-02 02:43:47,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:43:47,938 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 672 transitions. [2018-12-02 02:43:47,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 02:43:47,938 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 672 transitions. [2018-12-02 02:43:47,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 02:43:47,940 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:43:47,940 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:43:47,940 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:43:47,940 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:43:47,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1024433349, now seen corresponding path program 1 times [2018-12-02 02:43:47,941 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:43:47,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:43:47,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:43:47,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:43:47,942 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:43:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:43:48,018 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 02:43:48,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:43:48,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 02:43:48,019 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:43:48,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 02:43:48,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 02:43:48,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 02:43:48,020 INFO L87 Difference]: Start difference. First operand 554 states and 672 transitions. Second operand 7 states. [2018-12-02 02:43:48,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:43:48,437 INFO L93 Difference]: Finished difference Result 1415 states and 1838 transitions. [2018-12-02 02:43:48,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 02:43:48,437 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-02 02:43:48,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:43:48,442 INFO L225 Difference]: With dead ends: 1415 [2018-12-02 02:43:48,442 INFO L226 Difference]: Without dead ends: 889 [2018-12-02 02:43:48,444 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 02:43:48,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2018-12-02 02:43:48,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 791. [2018-12-02 02:43:48,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2018-12-02 02:43:48,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 955 transitions. [2018-12-02 02:43:48,488 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 955 transitions. Word has length 66 [2018-12-02 02:43:48,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:43:48,489 INFO L480 AbstractCegarLoop]: Abstraction has 791 states and 955 transitions. [2018-12-02 02:43:48,489 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 02:43:48,489 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 955 transitions. [2018-12-02 02:43:48,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-02 02:43:48,491 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:43:48,492 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 02:43:48,492 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:43:48,492 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:43:48,492 INFO L82 PathProgramCache]: Analyzing trace with hash -1186024303, now seen corresponding path program 1 times [2018-12-02 02:43:48,492 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:43:48,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:43:48,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:43:48,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:43:48,494 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:43:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:43:48,562 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 02:43:48,562 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:43:48,562 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 02:43:48,562 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:43:48,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 02:43:48,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 02:43:48,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 02:43:48,563 INFO L87 Difference]: Start difference. First operand 791 states and 955 transitions. Second operand 6 states. [2018-12-02 02:43:48,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:43:48,605 INFO L93 Difference]: Finished difference Result 1582 states and 1970 transitions. [2018-12-02 02:43:48,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 02:43:48,606 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-12-02 02:43:48,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:43:48,608 INFO L225 Difference]: With dead ends: 1582 [2018-12-02 02:43:48,609 INFO L226 Difference]: Without dead ends: 819 [2018-12-02 02:43:48,610 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 02:43:48,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-12-02 02:43:48,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 811. [2018-12-02 02:43:48,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2018-12-02 02:43:48,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 975 transitions. [2018-12-02 02:43:48,641 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 975 transitions. Word has length 104 [2018-12-02 02:43:48,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:43:48,641 INFO L480 AbstractCegarLoop]: Abstraction has 811 states and 975 transitions. [2018-12-02 02:43:48,641 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 02:43:48,641 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 975 transitions. [2018-12-02 02:43:48,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-02 02:43:48,643 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:43:48,643 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 02:43:48,643 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:43:48,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:43:48,644 INFO L82 PathProgramCache]: Analyzing trace with hash 742248399, now seen corresponding path program 1 times [2018-12-02 02:43:48,644 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:43:48,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:43:48,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:43:48,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:43:48,645 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:43:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:43:48,707 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 02:43:48,707 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:43:48,708 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 02:43:48,708 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:43:48,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 02:43:48,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 02:43:48,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 02:43:48,708 INFO L87 Difference]: Start difference. First operand 811 states and 975 transitions. Second operand 8 states. [2018-12-02 02:43:48,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:43:48,763 INFO L93 Difference]: Finished difference Result 1622 states and 2010 transitions. [2018-12-02 02:43:48,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 02:43:48,763 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-12-02 02:43:48,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:43:48,767 INFO L225 Difference]: With dead ends: 1622 [2018-12-02 02:43:48,767 INFO L226 Difference]: Without dead ends: 839 [2018-12-02 02:43:48,769 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 02:43:48,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2018-12-02 02:43:48,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 827. [2018-12-02 02:43:48,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2018-12-02 02:43:48,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 991 transitions. [2018-12-02 02:43:48,804 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 991 transitions. Word has length 104 [2018-12-02 02:43:48,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:43:48,804 INFO L480 AbstractCegarLoop]: Abstraction has 827 states and 991 transitions. [2018-12-02 02:43:48,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 02:43:48,805 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 991 transitions. [2018-12-02 02:43:48,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-02 02:43:48,806 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:43:48,806 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 02:43:48,806 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:43:48,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:43:48,807 INFO L82 PathProgramCache]: Analyzing trace with hash 501708270, now seen corresponding path program 1 times [2018-12-02 02:43:48,807 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:43:48,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:43:48,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:43:48,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:43:48,808 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:43:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:43:48,861 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 02:43:48,861 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:43:48,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 02:43:48,861 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:43:48,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 02:43:48,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 02:43:48,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 02:43:48,862 INFO L87 Difference]: Start difference. First operand 827 states and 991 transitions. Second operand 4 states. [2018-12-02 02:43:49,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:43:49,048 INFO L93 Difference]: Finished difference Result 2613 states and 3282 transitions. [2018-12-02 02:43:49,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 02:43:49,049 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-12-02 02:43:49,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:43:49,056 INFO L225 Difference]: With dead ends: 2613 [2018-12-02 02:43:49,056 INFO L226 Difference]: Without dead ends: 1814 [2018-12-02 02:43:49,059 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 02:43:49,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1814 states. [2018-12-02 02:43:49,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1814 to 1783. [2018-12-02 02:43:49,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1783 states. [2018-12-02 02:43:49,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1783 states and 2191 transitions. [2018-12-02 02:43:49,122 INFO L78 Accepts]: Start accepts. Automaton has 1783 states and 2191 transitions. Word has length 104 [2018-12-02 02:43:49,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:43:49,122 INFO L480 AbstractCegarLoop]: Abstraction has 1783 states and 2191 transitions. [2018-12-02 02:43:49,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 02:43:49,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 2191 transitions. [2018-12-02 02:43:49,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-02 02:43:49,124 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:43:49,124 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 02:43:49,125 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:43:49,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:43:49,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1312220376, now seen corresponding path program 1 times [2018-12-02 02:43:49,125 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:43:49,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:43:49,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:43:49,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:43:49,126 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:43:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:43:49,227 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 02:43:49,227 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:43:49,227 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:43:49,228 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 109 with the following transitions: [2018-12-02 02:43:49,229 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [44], [46], [47], [50], [65], [68], [69], [73], [74], [76], [85], [89], [93], [96], [101], [104], [109], [115], [121], [129], [130], [133], [135], [138], [140], [143], [146], [158], [159], [160], [161], [162], [164], [169], [172], [173], [175], [180], [182], [183], [188], [190], [196], [200], [233], [234], [242], [246], [249], [251], [254], [264], [269], [273], [274], [277], [278], [279], [280], [281], [282], [283], [284], [285], [291], [292], [293], [295], [296], [303], [304], [305], [306], [307], [308], [313], [317], [318], [319], [320], [321], [323], [324], [325], [326], [327], [328], [331], [332], [333], [339], [340], [341], [343], [344], [345], [346] [2018-12-02 02:43:49,261 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:43:49,262 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:43:49,627 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 02:43:49,628 INFO L272 AbstractInterpreter]: Visited 104 different actions 106 times. Never merged. Never widened. Performed 3299 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3299 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 135 variables. [2018-12-02 02:43:49,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:43:49,635 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 02:43:49,944 INFO L227 lantSequenceWeakener]: Weakened 104 states. On average, predicates are now at 96.96% of their original sizes. [2018-12-02 02:43:49,944 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 02:43:50,150 INFO L418 sIntCurrentIteration]: We unified 107 AI predicates to 107 [2018-12-02 02:43:50,150 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 02:43:50,150 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 02:43:50,150 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [28] imperfect sequences [13] total 39 [2018-12-02 02:43:50,150 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:43:50,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-12-02 02:43:50,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-12-02 02:43:50,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=656, Unknown=0, NotChecked=0, Total=756 [2018-12-02 02:43:50,151 INFO L87 Difference]: Start difference. First operand 1783 states and 2191 transitions. Second operand 28 states. [2018-12-02 02:44:00,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:44:00,730 INFO L93 Difference]: Finished difference Result 6654 states and 8645 transitions. [2018-12-02 02:44:00,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-12-02 02:44:00,730 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 108 [2018-12-02 02:44:00,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:44:00,742 INFO L225 Difference]: With dead ends: 6654 [2018-12-02 02:44:00,742 INFO L226 Difference]: Without dead ends: 4899 [2018-12-02 02:44:00,746 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 139 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=374, Invalid=3166, Unknown=0, NotChecked=0, Total=3540 [2018-12-02 02:44:00,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4899 states. [2018-12-02 02:44:00,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4899 to 4640. [2018-12-02 02:44:00,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4640 states. [2018-12-02 02:44:00,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4640 states to 4640 states and 5786 transitions. [2018-12-02 02:44:00,897 INFO L78 Accepts]: Start accepts. Automaton has 4640 states and 5786 transitions. Word has length 108 [2018-12-02 02:44:00,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:44:00,897 INFO L480 AbstractCegarLoop]: Abstraction has 4640 states and 5786 transitions. [2018-12-02 02:44:00,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-12-02 02:44:00,897 INFO L276 IsEmpty]: Start isEmpty. Operand 4640 states and 5786 transitions. [2018-12-02 02:44:00,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-02 02:44:00,904 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:44:00,904 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:44:00,904 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:44:00,905 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:44:00,905 INFO L82 PathProgramCache]: Analyzing trace with hash -336907646, now seen corresponding path program 1 times [2018-12-02 02:44:00,905 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:44:00,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:44:00,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:44:00,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:44:00,906 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:44:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:01,043 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 02:44:01,043 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:44:01,043 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:44:01,043 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 170 with the following transitions: [2018-12-02 02:44:01,043 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [44], [46], [47], [50], [53], [55], [61], [65], [68], [69], [73], [74], [75], [76], [85], [89], [93], [96], [99], [101], [104], [107], [109], [115], [121], [129], [130], [131], [132], [133], [135], [138], [140], [143], [146], [149], [157], [158], [159], [160], [161], [162], [164], [169], [172], [173], [175], [180], [182], [183], [188], [190], [193], [196], [200], [206], [233], [234], [237], [241], [242], [246], [249], [251], [254], [261], [264], [269], [273], [274], [277], [278], [279], [280], [281], [282], [283], [284], [285], [289], [290], [291], [292], [293], [295], [296], [297], [298], [301], [302], [303], [304], [305], [306], [307], [308], [313], [314], [317], [318], [319], [320], [321], [323], [324], [325], [326], [327], [328], [329], [330], [331], [332], [333], [334], [339], [340], [341], [343], [344], [345], [346], [349], [350] [2018-12-02 02:44:01,047 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:44:01,047 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:44:01,903 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 02:44:01,903 INFO L272 AbstractInterpreter]: Visited 138 different actions 686 times. Merged at 18 different actions 54 times. Never widened. Performed 22444 root evaluator evaluations with a maximum evaluation depth of 5. Performed 22444 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 13 fixpoints after 5 different actions. Largest state had 135 variables. [2018-12-02 02:44:01,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:44:01,907 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 02:44:01,907 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:44:01,907 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_008ceaf3-7690-4085-b3d0-10babf41c7d5/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 02:44:01,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:44:01,913 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 02:44:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:02,007 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:44:02,125 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 02:44:02,125 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 02:44:02,767 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 02:44:02,783 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 02:44:02,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-02 02:44:02,783 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:44:02,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 02:44:02,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 02:44:02,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-02 02:44:02,784 INFO L87 Difference]: Start difference. First operand 4640 states and 5786 transitions. Second operand 8 states. [2018-12-02 02:44:03,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:44:03,063 INFO L93 Difference]: Finished difference Result 8414 states and 10602 transitions. [2018-12-02 02:44:03,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 02:44:03,063 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 169 [2018-12-02 02:44:03,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:44:03,079 INFO L225 Difference]: With dead ends: 8414 [2018-12-02 02:44:03,079 INFO L226 Difference]: Without dead ends: 4183 [2018-12-02 02:44:03,089 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 320 SyntacticMatches, 8 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 02:44:03,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4183 states. [2018-12-02 02:44:03,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4183 to 4163. [2018-12-02 02:44:03,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4163 states. [2018-12-02 02:44:03,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4163 states to 4163 states and 5083 transitions. [2018-12-02 02:44:03,215 INFO L78 Accepts]: Start accepts. Automaton has 4163 states and 5083 transitions. Word has length 169 [2018-12-02 02:44:03,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:44:03,215 INFO L480 AbstractCegarLoop]: Abstraction has 4163 states and 5083 transitions. [2018-12-02 02:44:03,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 02:44:03,215 INFO L276 IsEmpty]: Start isEmpty. Operand 4163 states and 5083 transitions. [2018-12-02 02:44:03,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-02 02:44:03,220 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:44:03,221 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 02:44:03,221 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:44:03,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:44:03,221 INFO L82 PathProgramCache]: Analyzing trace with hash -350469937, now seen corresponding path program 1 times [2018-12-02 02:44:03,221 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:44:03,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:44:03,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:44:03,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:44:03,222 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:44:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:03,315 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 49 proven. 12 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-02 02:44:03,315 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:44:03,315 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:44:03,316 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 224 with the following transitions: [2018-12-02 02:44:03,316 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [44], [46], [47], [50], [53], [55], [61], [65], [68], [69], [73], [74], [75], [76], [85], [89], [93], [96], [99], [101], [104], [107], [109], [115], [121], [129], [130], [131], [132], [133], [135], [138], [140], [143], [146], [149], [155], [157], [158], [159], [160], [161], [162], [164], [169], [172], [173], [175], [180], [182], [183], [188], [190], [193], [196], [200], [206], [233], [234], [237], [241], [242], [246], [249], [251], [254], [261], [264], [269], [273], [274], [277], [278], [279], [280], [281], [282], [283], [284], [285], [289], [290], [291], [292], [293], [295], [296], [297], [298], [301], [302], [303], [304], [305], [306], [307], [308], [313], [314], [317], [318], [319], [320], [321], [323], [324], [325], [326], [327], [328], [329], [330], [331], [332], [333], [334], [339], [340], [341], [343], [344], [345], [346], [349], [350] [2018-12-02 02:44:03,319 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:44:03,319 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:44:05,001 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 02:44:05,001 INFO L272 AbstractInterpreter]: Visited 139 different actions 1428 times. Merged at 22 different actions 146 times. Widened at 1 different actions 1 times. Performed 50604 root evaluator evaluations with a maximum evaluation depth of 5. Performed 50604 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 36 fixpoints after 6 different actions. Largest state had 135 variables. [2018-12-02 02:44:05,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:44:05,004 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 02:44:05,004 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:44:05,004 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_008ceaf3-7690-4085-b3d0-10babf41c7d5/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 02:44:05,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:44:05,012 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 02:44:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:05,093 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:44:05,212 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 02:44:05,212 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 02:44:05,486 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 54 proven. 26 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-02 02:44:05,501 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 02:44:05,502 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 22 [2018-12-02 02:44:05,502 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 02:44:05,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-02 02:44:05,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-02 02:44:05,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2018-12-02 02:44:05,502 INFO L87 Difference]: Start difference. First operand 4163 states and 5083 transitions. Second operand 16 states. [2018-12-02 02:44:06,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:44:06,976 INFO L93 Difference]: Finished difference Result 13305 states and 18775 transitions. [2018-12-02 02:44:06,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-12-02 02:44:06,976 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 223 [2018-12-02 02:44:06,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:44:07,005 INFO L225 Difference]: With dead ends: 13305 [2018-12-02 02:44:07,005 INFO L226 Difference]: Without dead ends: 9818 [2018-12-02 02:44:07,016 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 441 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=337, Invalid=1223, Unknown=0, NotChecked=0, Total=1560 [2018-12-02 02:44:07,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9818 states. [2018-12-02 02:44:07,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9818 to 8381. [2018-12-02 02:44:07,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8381 states. [2018-12-02 02:44:07,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8381 states to 8381 states and 10306 transitions. [2018-12-02 02:44:07,306 INFO L78 Accepts]: Start accepts. Automaton has 8381 states and 10306 transitions. Word has length 223 [2018-12-02 02:44:07,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:44:07,306 INFO L480 AbstractCegarLoop]: Abstraction has 8381 states and 10306 transitions. [2018-12-02 02:44:07,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-02 02:44:07,306 INFO L276 IsEmpty]: Start isEmpty. Operand 8381 states and 10306 transitions. [2018-12-02 02:44:07,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-02 02:44:07,316 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:44:07,317 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 02:44:07,317 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:44:07,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:44:07,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1969444851, now seen corresponding path program 1 times [2018-12-02 02:44:07,317 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:44:07,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:44:07,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:44:07,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:44:07,318 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:44:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:07,386 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-02 02:44:07,386 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:44:07,386 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:44:07,386 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 224 with the following transitions: [2018-12-02 02:44:07,386 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [36], [38], [39], [40], [44], [46], [47], [50], [53], [55], [61], [65], [68], [69], [73], [74], [75], [76], [85], [89], [93], [96], [99], [101], [104], [107], [109], [115], [121], [129], [130], [131], [132], [133], [135], [138], [140], [143], [146], [149], [155], [157], [158], [159], [160], [161], [162], [164], [169], [172], [173], [175], [180], [182], [183], [188], [190], [193], [196], [200], [206], [233], [234], [237], [241], [242], [246], [249], [251], [254], [261], [264], [269], [273], [274], [277], [278], [279], [280], [281], [282], [283], [284], [285], [289], [290], [291], [292], [293], [295], [296], [297], [298], [301], [302], [303], [304], [305], [306], [307], [308], [313], [314], [317], [318], [319], [320], [321], [323], [324], [325], [326], [327], [328], [329], [330], [331], [332], [333], [334], [339], [340], [341], [343], [344], [345], [346], [349], [350] [2018-12-02 02:44:07,387 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:44:07,388 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:44:08,669 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 02:44:08,669 INFO L272 AbstractInterpreter]: Visited 140 different actions 1292 times. Merged at 25 different actions 149 times. Widened at 1 different actions 1 times. Performed 39847 root evaluator evaluations with a maximum evaluation depth of 5. Performed 39847 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 38 fixpoints after 7 different actions. Largest state had 135 variables. [2018-12-02 02:44:08,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:44:08,671 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 02:44:08,671 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:44:08,671 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_008ceaf3-7690-4085-b3d0-10babf41c7d5/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 02:44:08,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:44:08,676 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 02:44:08,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:08,743 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:44:08,789 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-02 02:44:08,789 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 02:44:08,956 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-02 02:44:08,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 02:44:08,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-12-02 02:44:08,972 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:44:08,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 02:44:08,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 02:44:08,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-02 02:44:08,973 INFO L87 Difference]: Start difference. First operand 8381 states and 10306 transitions. Second operand 6 states. [2018-12-02 02:44:09,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:44:09,092 INFO L93 Difference]: Finished difference Result 9557 states and 11634 transitions. [2018-12-02 02:44:09,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 02:44:09,092 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 223 [2018-12-02 02:44:09,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:44:09,094 INFO L225 Difference]: With dead ends: 9557 [2018-12-02 02:44:09,094 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 02:44:09,106 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 441 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-12-02 02:44:09,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 02:44:09,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 02:44:09,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 02:44:09,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 02:44:09,107 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2018-12-02 02:44:09,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:44:09,107 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 02:44:09,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 02:44:09,108 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 02:44:09,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 02:44:09,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 02:44:09,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:09,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:10,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:10,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:10,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:10,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:10,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:10,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:10,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:10,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:10,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:10,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:10,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:10,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:10,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:10,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:10,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:10,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:10,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:10,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:10,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:10,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:10,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:10,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:10,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:10,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:10,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:44:10,257 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 24 [2018-12-02 02:44:10,959 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 33 [2018-12-02 02:44:11,111 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 35 [2018-12-02 02:44:11,384 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 40 [2018-12-02 02:44:11,891 WARN L180 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 49 [2018-12-02 02:44:12,543 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 34 [2018-12-02 02:44:12,850 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 34 [2018-12-02 02:44:13,491 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 39 [2018-12-02 02:44:13,843 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 34 [2018-12-02 02:44:13,846 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 282 288) the Hoare annotation is: true [2018-12-02 02:44:13,846 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 282 288) no Hoare annotation was computed. [2018-12-02 02:44:13,846 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 289 297) no Hoare annotation was computed. [2018-12-02 02:44:13,846 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 289 297) the Hoare annotation is: true [2018-12-02 02:44:13,846 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 289 297) no Hoare annotation was computed. [2018-12-02 02:44:13,846 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 240 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:44:13,846 INFO L444 ceAbstractionStarter]: At program point L252(line 252) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= main_~tmp~0 1) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:44:13,846 INFO L444 ceAbstractionStarter]: At program point L252-1(line 252) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= main_~tmp~0 1) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:44:13,846 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 257) no Hoare annotation was computed. [2018-12-02 02:44:13,846 INFO L448 ceAbstractionStarter]: For program point L250-1(lines 250 257) no Hoare annotation was computed. [2018-12-02 02:44:13,846 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 240 262) no Hoare annotation was computed. [2018-12-02 02:44:13,846 INFO L448 ceAbstractionStarter]: For program point L248(line 248) no Hoare annotation was computed. [2018-12-02 02:44:13,847 INFO L444 ceAbstractionStarter]: At program point L247(line 247) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:44:13,847 INFO L444 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:44:13,847 INFO L444 ceAbstractionStarter]: At program point L246-1(line 246) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:44:13,847 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 240 262) no Hoare annotation was computed. [2018-12-02 02:44:13,847 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 954 968) no Hoare annotation was computed. [2018-12-02 02:44:13,847 INFO L444 ceAbstractionStarter]: At program point L960(line 960) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= |old(~systemActive~0)| 0)) (.cse6 (< ~waterLevel~0 2)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (or .cse0 .cse1) .cse2) (or .cse3 .cse0 .cse2) (or .cse4 (or .cse3 .cse5 .cse6 .cse7 .cse2)) (or (or .cse5 .cse6 .cse7 .cse2 .cse1) .cse4))) [2018-12-02 02:44:13,847 INFO L448 ceAbstractionStarter]: For program point L958(lines 958 964) no Hoare annotation was computed. [2018-12-02 02:44:13,847 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 954 968) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= |old(~systemActive~0)| 0)) (.cse6 (< ~waterLevel~0 2)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (and (not (= ~systemActive~0 0)) .cse1)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (or .cse0 .cse5 .cse6 .cse7 .cse3)) (or (or .cse5 .cse6 .cse7 .cse3 .cse8) .cse4) (or .cse1 (or .cse2 .cse8) .cse3)))) [2018-12-02 02:44:13,847 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 954 968) no Hoare annotation was computed. [2018-12-02 02:44:13,847 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 871 879) no Hoare annotation was computed. [2018-12-02 02:44:13,847 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 871 879) the Hoare annotation is: true [2018-12-02 02:44:13,847 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 871 879) no Hoare annotation was computed. [2018-12-02 02:44:13,847 INFO L448 ceAbstractionStarter]: For program point L944(lines 944 948) no Hoare annotation was computed. [2018-12-02 02:44:13,847 INFO L451 ceAbstractionStarter]: At program point L942(line 942) the Hoare annotation is: true [2018-12-02 02:44:13,847 INFO L448 ceAbstractionStarter]: For program point L944-2(lines 944 948) no Hoare annotation was computed. [2018-12-02 02:44:13,847 INFO L448 ceAbstractionStarter]: For program point L942-1(line 942) no Hoare annotation was computed. [2018-12-02 02:44:13,847 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 935 953) the Hoare annotation is: true [2018-12-02 02:44:13,847 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 935 953) no Hoare annotation was computed. [2018-12-02 02:44:13,847 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 935 953) no Hoare annotation was computed. [2018-12-02 02:44:13,848 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 275 281) no Hoare annotation was computed. [2018-12-02 02:44:13,848 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 275 281) the Hoare annotation is: true [2018-12-02 02:44:13,848 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 226 236) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:44:13,848 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 226 236) no Hoare annotation was computed. [2018-12-02 02:44:13,848 INFO L444 ceAbstractionStarter]: At program point L231(line 231) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:44:13,848 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 226 236) no Hoare annotation was computed. [2018-12-02 02:44:13,848 INFO L451 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: true [2018-12-02 02:44:13,848 INFO L448 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2018-12-02 02:44:13,848 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 860 870) the Hoare annotation is: true [2018-12-02 02:44:13,848 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 860 870) no Hoare annotation was computed. [2018-12-02 02:44:13,848 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 860 870) no Hoare annotation was computed. [2018-12-02 02:44:13,848 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 852 859) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2) (or .cse2 (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1)))) [2018-12-02 02:44:13,848 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 852 859) no Hoare annotation was computed. [2018-12-02 02:44:13,848 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 852 859) no Hoare annotation was computed. [2018-12-02 02:44:13,848 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 801 825) no Hoare annotation was computed. [2018-12-02 02:44:13,849 INFO L444 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse4) (or .cse3 .cse1 .cse2 .cse4 .cse6) (or .cse2 .cse5 .cse4 .cse6))) [2018-12-02 02:44:13,849 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 801 825) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse2 .cse5 .cse4 .cse6) (or .cse3 .cse1 .cse2 .cse4 .cse6) (or .cse0 .cse2 .cse3 .cse5 .cse4))) [2018-12-02 02:44:13,849 INFO L448 ceAbstractionStarter]: For program point L820-1(lines 801 825) no Hoare annotation was computed. [2018-12-02 02:44:13,849 INFO L444 ceAbstractionStarter]: At program point L815(line 815) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (and (= 0 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse4) (or .cse1 .cse3 .cse2 .cse4 .cse6) (or .cse5 .cse1 .cse4 .cse6))) [2018-12-02 02:44:13,849 INFO L444 ceAbstractionStarter]: At program point L811(line 811) the Hoare annotation is: (let ((.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse4 (and (<= 1 processEnvironment_~tmp~6) .cse8)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (and (= 0 ~waterLevel~0) .cse8)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse2 .cse6 .cse3) (or .cse1 .cse2 .cse3 .cse7) (or .cse2 .cse4 .cse6 .cse5 .cse3 .cse7)))) [2018-12-02 02:44:13,849 INFO L448 ceAbstractionStarter]: For program point L809(lines 809 817) no Hoare annotation was computed. [2018-12-02 02:44:13,849 INFO L444 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= ~systemActive~0 0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse3 .cse6) (or .cse1 .cse2 .cse3 .cse6) (or .cse0 .cse2 .cse4 .cse5 .cse3))) [2018-12-02 02:44:13,849 INFO L448 ceAbstractionStarter]: For program point L807-1(line 807) no Hoare annotation was computed. [2018-12-02 02:44:13,850 INFO L448 ceAbstractionStarter]: For program point L805(lines 805 822) no Hoare annotation was computed. [2018-12-02 02:44:13,850 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-12-02 02:44:13,850 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-12-02 02:44:13,850 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-12-02 02:44:13,850 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-12-02 02:44:13,850 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 767 773) no Hoare annotation was computed. [2018-12-02 02:44:13,850 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 767 773) the Hoare annotation is: true [2018-12-02 02:44:13,850 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 301 368) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:44:13,850 INFO L444 ceAbstractionStarter]: At program point L351(line 351) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 0))) (.cse4 (= ~pumpRunning~0 1)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse5 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse6 .cse5) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse6 .cse7 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 .cse3 .cse4 .cse7 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 02:44:13,850 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 355) no Hoare annotation was computed. [2018-12-02 02:44:13,851 INFO L444 ceAbstractionStarter]: At program point L349-1(lines 341 356) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (not (= ~systemActive~0 0))) (.cse7 (= ~pumpRunning~0 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse4 .cse1 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse5 .cse6 .cse7 .cse3) (and .cse0 .cse5 .cse6 .cse7 .cse2 .cse3))) [2018-12-02 02:44:13,851 INFO L448 ceAbstractionStarter]: For program point L312(lines 311 360) no Hoare annotation was computed. [2018-12-02 02:44:13,851 INFO L444 ceAbstractionStarter]: At program point L343(line 343) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse5 .cse6 .cse3) (and .cse0 .cse4 .cse1 .cse3) (and .cse0 .cse5 .cse6 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 02:44:13,851 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 301 368) no Hoare annotation was computed. [2018-12-02 02:44:13,851 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 356) no Hoare annotation was computed. [2018-12-02 02:44:13,851 INFO L444 ceAbstractionStarter]: At program point L333(line 333) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse3 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 02:44:13,851 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 337) no Hoare annotation was computed. [2018-12-02 02:44:13,851 INFO L448 ceAbstractionStarter]: For program point L331-1(lines 331 337) no Hoare annotation was computed. [2018-12-02 02:44:13,851 INFO L444 ceAbstractionStarter]: At program point L358(lines 311 360) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse3 (= ~methaneLevelCritical~0 1) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse3 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 02:44:13,852 INFO L444 ceAbstractionStarter]: At program point L323(line 323) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 (and .cse1 .cse2 .cse3)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1) .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse2 (= ~methaneLevelCritical~0 1) .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 02:44:13,852 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 327) no Hoare annotation was computed. [2018-12-02 02:44:13,852 INFO L448 ceAbstractionStarter]: For program point L321-1(lines 321 327) no Hoare annotation was computed. [2018-12-02 02:44:13,852 INFO L448 ceAbstractionStarter]: For program point L313(lines 313 317) no Hoare annotation was computed. [2018-12-02 02:44:13,852 INFO L444 ceAbstractionStarter]: At program point L361(lines 310 362) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:44:13,852 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 301 368) no Hoare annotation was computed. [2018-12-02 02:44:13,852 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 826 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (not (= ~methAndRunningLastTime~0 0)) (not (= ~methaneLevelCritical~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 02:44:13,852 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 826 833) no Hoare annotation was computed. [2018-12-02 02:44:13,852 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 826 833) no Hoare annotation was computed. [2018-12-02 02:44:13,852 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-12-02 02:44:13,852 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-12-02 02:44:13,852 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-12-02 02:44:13,853 INFO L444 ceAbstractionStarter]: At program point L993(line 993) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~systemActive~0 0)) (.cse6 (not (= ~waterLevel~0 0))) (.cse7 (not (= 1 ~pumpRunning~0))) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse0 .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse0 .cse1 .cse2) (or .cse5 .cse4 .cse6 .cse1 .cse7 .cse2) (or .cse4 (< ~waterLevel~0 2) .cse7 .cse1 .cse2 .cse3) (or .cse4 .cse6 .cse7 .cse1 .cse2 .cse3))) [2018-12-02 02:44:13,853 INFO L448 ceAbstractionStarter]: For program point L993-1(line 993) no Hoare annotation was computed. [2018-12-02 02:44:13,853 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 987 1015) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~systemActive~0 0)) (.cse6 (not (= ~waterLevel~0 0))) (.cse7 (not (= 1 ~pumpRunning~0))) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse0 .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse0 .cse1 .cse2) (or .cse5 .cse4 .cse6 .cse1 .cse7 .cse2) (or .cse4 (< ~waterLevel~0 2) .cse7 .cse1 .cse2 .cse3) (or .cse4 .cse6 .cse7 .cse1 .cse2 .cse3))) [2018-12-02 02:44:13,853 INFO L444 ceAbstractionStarter]: At program point L1002(line 1002) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse4 (not (= ~waterLevel~0 0))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse0 .cse4 .cse1 .cse2) (or .cse6 .cse3) (or .cse5 .cse6 .cse2))) [2018-12-02 02:44:13,853 INFO L448 ceAbstractionStarter]: For program point L1000(lines 1000 1006) no Hoare annotation was computed. [2018-12-02 02:44:13,853 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1009) no Hoare annotation was computed. [2018-12-02 02:44:13,853 INFO L444 ceAbstractionStarter]: At program point L997(line 997) the Hoare annotation is: (let ((.cse5 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0)) (.cse7 (not (= ~waterLevel~0 0))) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2) (or .cse0 .cse7 .cse1 .cse2 .cse3) (or .cse5 .cse3) (or .cse4 .cse0 .cse7 (and .cse6 (= __utac_acc__Specification2_spec__2_~tmp~10 1)) .cse1 .cse2))) [2018-12-02 02:44:13,853 INFO L448 ceAbstractionStarter]: For program point L997-1(line 997) no Hoare annotation was computed. [2018-12-02 02:44:13,854 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 987 1015) no Hoare annotation was computed. [2018-12-02 02:44:13,854 INFO L448 ceAbstractionStarter]: For program point L995(lines 995 1012) no Hoare annotation was computed. [2018-12-02 02:44:13,854 INFO L448 ceAbstractionStarter]: For program point L995-1(lines 987 1015) no Hoare annotation was computed. [2018-12-02 02:44:13,854 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 979 986) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~methAndRunningLastTime~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-02 02:44:13,854 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 979 986) no Hoare annotation was computed. [2018-12-02 02:44:13,854 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 979 986) no Hoare annotation was computed. [2018-12-02 02:44:13,854 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 02:44:13,854 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 02:44:13,854 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 02:44:13,854 INFO L444 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-12-02 02:44:13,854 INFO L448 ceAbstractionStarter]: For program point L846-1(lines 835 851) no Hoare annotation was computed. [2018-12-02 02:44:13,854 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 835 851) no Hoare annotation was computed. [2018-12-02 02:44:13,854 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 848) no Hoare annotation was computed. [2018-12-02 02:44:13,854 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 835 851) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2018-12-02 02:44:13,854 INFO L444 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2018-12-02 02:44:13,854 INFO L448 ceAbstractionStarter]: For program point L840-1(line 840) no Hoare annotation was computed. [2018-12-02 02:44:13,855 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 916 934) no Hoare annotation was computed. [2018-12-02 02:44:13,855 INFO L448 ceAbstractionStarter]: For program point L925(lines 925 929) no Hoare annotation was computed. [2018-12-02 02:44:13,855 INFO L451 ceAbstractionStarter]: At program point L923(line 923) the Hoare annotation is: true [2018-12-02 02:44:13,855 INFO L448 ceAbstractionStarter]: For program point L925-2(lines 925 929) no Hoare annotation was computed. [2018-12-02 02:44:13,855 INFO L448 ceAbstractionStarter]: For program point L923-1(line 923) no Hoare annotation was computed. [2018-12-02 02:44:13,855 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 916 934) the Hoare annotation is: true [2018-12-02 02:44:13,855 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 916 934) no Hoare annotation was computed. [2018-12-02 02:44:13,855 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-12-02 02:44:13,855 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 1)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (or (< |old(~methaneLevelCritical~0)| 1) .cse0 .cse1) (<= 1 ~methaneLevelCritical~0)) (or .cse0 .cse2 .cse1 .cse3) (or .cse4 .cse0 .cse5 (not (= ~systemActive~0 1)) .cse1 (not (= ~waterLevel~0 2))) (or .cse5 .cse4 .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse2 .cse1 .cse3))) [2018-12-02 02:44:13,855 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-12-02 02:44:13,855 INFO L444 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (let ((.cse9 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ~systemActive~0 0)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (and .cse9 (not .cse2) (= ~waterLevel~0 |old(~waterLevel~0)|) .cse10)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (and .cse9 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse10))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4 .cse5)) (or .cse6 .cse7 .cse4 .cse5) (or .cse8 .cse7 .cse6 .cse4) (or .cse1 (or .cse8 .cse2 .cse3 .cse4) .cse0)))) [2018-12-02 02:44:13,855 INFO L444 ceAbstractionStarter]: At program point L754(lines 754 760) the Hoare annotation is: (let ((.cse12 (= ~methAndRunningLastTime~0 0)) (.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (and .cse12 .cse6 .cse7)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse8 (= 0 ~pumpRunning~0)) (.cse9 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse10 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= ~systemActive~0 0)) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) (or .cse4 .cse0 .cse1 .cse2) (or (and (<= 2 ~waterLevel~0) (not .cse5) (= ~pumpRunning~0 1) .cse6) .cse0 (and .cse6 .cse7) .cse2 .cse3) (or (and .cse8 .cse9) .cse10 (or .cse5 .cse11 .cse2 .cse3)) (or .cse0 .cse5 .cse12 .cse2 .cse3) (or (and .cse12 .cse8 .cse9) .cse10 (or .cse4 .cse5 .cse11 .cse2))))) [2018-12-02 02:44:13,855 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 743 766) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (and (= ~methAndRunningLastTime~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= ~systemActive~0 0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 (or .cse6 .cse7 .cse2 .cse3) .cse1) (or .cse1 .cse5 (or .cse4 .cse6 .cse7 .cse2)))) [2018-12-02 02:44:13,855 INFO L444 ceAbstractionStarter]: At program point L749(line 749) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and (= ~methAndRunningLastTime~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= ~systemActive~0 0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 (or .cse5 .cse6 .cse1 .cse2) .cse7) (or .cse7 .cse4 (or .cse3 .cse5 .cse6 .cse1)))) [2018-12-02 02:44:13,855 INFO L448 ceAbstractionStarter]: For program point L747(lines 746 765) no Hoare annotation was computed. [2018-12-02 02:44:13,855 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 743 766) no Hoare annotation was computed. [2018-12-02 02:44:13,856 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 743 766) no Hoare annotation was computed. [2018-12-02 02:44:13,856 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 162 191) no Hoare annotation was computed. [2018-12-02 02:44:13,856 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 162 191) the Hoare annotation is: true [2018-12-02 02:44:13,856 INFO L451 ceAbstractionStarter]: At program point L187(lines 162 191) the Hoare annotation is: true [2018-12-02 02:44:13,856 INFO L448 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-12-02 02:44:13,856 INFO L448 ceAbstractionStarter]: For program point L176(lines 176 180) no Hoare annotation was computed. [2018-12-02 02:44:13,856 INFO L451 ceAbstractionStarter]: At program point L176-1(lines 176 180) the Hoare annotation is: true [2018-12-02 02:44:13,856 INFO L448 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2018-12-02 02:44:13,856 INFO L451 ceAbstractionStarter]: At program point L172-2(lines 172 186) the Hoare annotation is: true [2018-12-02 02:44:13,856 INFO L451 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2018-12-02 02:44:13,856 INFO L448 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2018-12-02 02:44:13,856 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-12-02 02:44:13,856 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-12-02 02:44:13,856 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-12-02 02:44:13,856 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse2 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse3 (or .cse1 (not (= ~methaneLevelCritical~0 0))) .cse0 .cse4))) [2018-12-02 02:44:13,856 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-12-02 02:44:13,856 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-12-02 02:44:13,856 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 217 223) no Hoare annotation was computed. [2018-12-02 02:44:13,856 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 217 223) the Hoare annotation is: true [2018-12-02 02:44:13,856 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 02:44:13,856 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-02 02:44:13,856 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 02:44:13,856 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 02:44:13,857 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 775 799) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= ~waterLevel~0 0))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse3 .cse6 .cse4) (or .cse2 .cse5 .cse6 .cse3 .cse4 .cse7) (or .cse3 .cse1 .cse2 .cse4 .cse7))) [2018-12-02 02:44:13,857 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 775 799) no Hoare annotation was computed. [2018-12-02 02:44:13,857 INFO L444 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= ~waterLevel~0 0))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse5 .cse6 .cse3) (or .cse2 .cse4 .cse6 .cse5 .cse3 .cse7) (or .cse1 .cse2 .cse3 .cse7))) [2018-12-02 02:44:13,857 INFO L448 ceAbstractionStarter]: For program point L794-1(lines 775 799) no Hoare annotation was computed. [2018-12-02 02:44:13,857 INFO L444 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (let ((.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= ~systemActive~0 0)) (.cse5 (not (= ~waterLevel~0 0))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2) .cse4) (or .cse2 .cse5 .cse6 .cse4 .cse7) (or .cse3 .cse1 .cse2 .cse4 .cse7) (or .cse0 .cse2 .cse5 .cse6 .cse4))) [2018-12-02 02:44:13,857 INFO L444 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~waterLevel~0 0))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (<= 2 ~waterLevel~0)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 (and .cse7 (= processEnvironment__wrappee__highWaterSensor_~tmp~5 1) .cse8) .cse3) (or .cse5 .cse0 .cse1 .cse2 .cse3) (or .cse6 .cse0 .cse3 .cse4 (and .cse7 .cse8)))) [2018-12-02 02:44:13,857 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 791) no Hoare annotation was computed. [2018-12-02 02:44:13,857 INFO L444 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= ~systemActive~0 0)) (.cse5 (not (= ~waterLevel~0 0))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse5 .cse6 .cse4 .cse7) (or .cse3 .cse1 .cse2 .cse4 .cse7) (or .cse0 .cse2 .cse5 .cse6 .cse4))) [2018-12-02 02:44:13,857 INFO L448 ceAbstractionStarter]: For program point L781-1(line 781) no Hoare annotation was computed. [2018-12-02 02:44:13,857 INFO L448 ceAbstractionStarter]: For program point L779(lines 779 796) no Hoare annotation was computed. [2018-12-02 02:44:13,857 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 969 976) no Hoare annotation was computed. [2018-12-02 02:44:13,857 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 969 976) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1)) .cse4) (or (or .cse0 .cse2 .cse3 .cse4 (not (= ~waterLevel~0 2))) .cse1))) [2018-12-02 02:44:13,857 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 969 976) no Hoare annotation was computed. [2018-12-02 02:44:13,857 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-12-02 02:44:13,857 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-12-02 02:44:13,857 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse3 .cse1) (or (< |old(~waterLevel~0)| 2) (not (= 1 ~pumpRunning~0)) (or (= ~systemActive~0 0) .cse2) .cse0 .cse3))) [2018-12-02 02:44:13,857 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 151 158) no Hoare annotation was computed. [2018-12-02 02:44:13,858 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2018-12-02 02:44:13,858 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 151 158) the Hoare annotation is: true [2018-12-02 02:44:13,858 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 151 158) no Hoare annotation was computed. [2018-12-02 02:44:13,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:44:13 BoogieIcfgContainer [2018-12-02 02:44:13,866 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 02:44:13,866 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 02:44:13,866 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 02:44:13,866 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 02:44:13,867 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:43:46" (3/4) ... [2018-12-02 02:44:13,869 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 02:44:13,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 02:44:13,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 02:44:13,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 02:44:13,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-02 02:44:13,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 02:44:13,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 02:44:13,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 02:44:13,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 02:44:13,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 02:44:13,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 02:44:13,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 02:44:13,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 02:44:13,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 02:44:13,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 02:44:13,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-02 02:44:13,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 02:44:13,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-02 02:44:13,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-02 02:44:13,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 02:44:13,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 02:44:13,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 02:44:13,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 02:44:13,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 02:44:13,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 02:44:13,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 02:44:13,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 02:44:13,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 02:44:13,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 02:44:13,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 02:44:13,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 02:44:13,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 02:44:13,881 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-02 02:44:13,881 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 02:44:13,881 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 02:44:13,882 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 02:44:13,882 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 02:44:13,882 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 02:44:13,904 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && 2 <= waterLevel) && !(systemActive == 0)) && pumpRunning == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || (((methAndRunningLastTime == 0 && 0 == pumpRunning) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 02:44:13,905 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 02:44:13,936 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_008ceaf3-7690-4085-b3d0-10babf41c7d5/bin-2019/utaipan/witness.graphml [2018-12-02 02:44:13,936 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 02:44:13,936 INFO L168 Benchmark]: Toolchain (without parser) took 27666.04 ms. Allocated memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: 1.7 GB). Free memory was 950.6 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 508.1 MB. Max. memory is 11.5 GB. [2018-12-02 02:44:13,937 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:44:13,937 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.22 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 236.5 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -275.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2018-12-02 02:44:13,937 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.79 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:44:13,937 INFO L168 Benchmark]: Boogie Preprocessor took 22.61 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:44:13,937 INFO L168 Benchmark]: RCFGBuilder took 311.12 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 11.5 GB. [2018-12-02 02:44:13,937 INFO L168 Benchmark]: TraceAbstraction took 26964.19 ms. Allocated memory was 1.3 GB in the beginning and 2.8 GB in the end (delta: 1.5 GB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-12-02 02:44:13,937 INFO L168 Benchmark]: Witness Printer took 69.60 ms. Allocated memory is still 2.8 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 112.1 kB). Peak memory consumption was 112.1 kB. Max. memory is 11.5 GB. [2018-12-02 02:44:13,938 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 276.22 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 236.5 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -275.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.79 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.61 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 311.12 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 26964.19 ms. Allocated memory was 1.3 GB in the beginning and 2.8 GB in the end (delta: 1.5 GB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. * Witness Printer took 69.60 ms. Allocated memory is still 2.8 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 112.1 kB). Peak memory consumption was 112.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 155]: 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: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: (((((((((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && 2 <= waterLevel) && !(systemActive == 0)) && pumpRunning == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || (((methAndRunningLastTime == 0 && 0 == pumpRunning) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 168 locations, 1 error locations. SAFE Result, 26.9s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 13.7s AutomataDifference, 0.0s DeadEndRemovalTime, 4.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2911 SDtfs, 2765 SDslu, 11986 SDs, 0 SdLazy, 7113 SolverSat, 1024 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 1501 GetRequests, 1316 SyntacticMatches, 14 SemanticMatches, 171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1215 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8381occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.2s AbstIntTime, 4 AbstIntIterations, 1 AbstIntStrong, 0.9960503661792514 AbsIntWeakeningRatio, 1.0373831775700935 AbsIntAvgWeakeningVarsNumRemoved, 112.24299065420561 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 12 MinimizatonAttempts, 1883 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 9356 PreInvPairs, 9689 NumberOfFragments, 3256 HoareAnnotationTreeSize, 9356 FomulaSimplifications, 17866 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 70 FomulaSimplificationsInter, 39365 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1938 NumberOfCodeBlocks, 1938 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2535 ConstructedInterpolants, 0 QuantifiedInterpolants, 634902 SizeOfPredicates, 14 NumberOfNonLiveVariables, 3102 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 18 InterpolantComputations, 10 PerfectInterpolantSequences, 815/906 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...