./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product56_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_55030352-6c4c-4f12-80ca-ff522c5e2e0b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_55030352-6c4c-4f12-80ca-ff522c5e2e0b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_55030352-6c4c-4f12-80ca-ff522c5e2e0b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_55030352-6c4c-4f12-80ca-ff522c5e2e0b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product56_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_55030352-6c4c-4f12-80ca-ff522c5e2e0b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_55030352-6c4c-4f12-80ca-ff522c5e2e0b/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 730b837dafcd2995b5acc94906fc5437a0c170a6 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 19:19:51,866 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 19:19:51,866 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 19:19:51,872 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 19:19:51,873 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 19:19:51,873 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 19:19:51,874 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 19:19:51,874 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 19:19:51,875 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 19:19:51,876 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 19:19:51,876 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 19:19:51,876 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 19:19:51,877 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 19:19:51,877 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 19:19:51,878 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 19:19:51,878 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 19:19:51,878 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 19:19:51,879 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 19:19:51,880 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 19:19:51,881 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 19:19:51,881 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 19:19:51,882 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 19:19:51,883 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 19:19:51,883 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 19:19:51,883 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 19:19:51,884 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 19:19:51,884 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 19:19:51,885 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 19:19:51,885 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 19:19:51,885 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 19:19:51,886 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 19:19:51,886 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 19:19:51,886 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 19:19:51,886 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 19:19:51,887 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 19:19:51,887 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 19:19:51,887 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_55030352-6c4c-4f12-80ca-ff522c5e2e0b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 19:19:51,894 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 19:19:51,894 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 19:19:51,895 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 19:19:51,895 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 19:19:51,895 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 19:19:51,895 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 19:19:51,895 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 19:19:51,895 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 19:19:51,895 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 19:19:51,895 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 19:19:51,896 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 19:19:51,896 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 19:19:51,896 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 19:19:51,896 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 19:19:51,896 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 19:19:51,896 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 19:19:51,896 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 19:19:51,896 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 19:19:51,897 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 19:19:51,897 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 19:19:51,897 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 19:19:51,897 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 19:19:51,897 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 19:19:51,897 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 19:19:51,897 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 19:19:51,897 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 19:19:51,897 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 19:19:51,897 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 19:19:51,898 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 19:19:51,898 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 19:19:51,898 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 19:19:51,898 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 19:19:51,898 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 19:19:51,898 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 19:19:51,898 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 19:19:51,898 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 19:19:51,898 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_55030352-6c4c-4f12-80ca-ff522c5e2e0b/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 -> 730b837dafcd2995b5acc94906fc5437a0c170a6 [2018-12-08 19:19:51,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 19:19:51,921 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 19:19:51,923 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 19:19:51,924 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 19:19:51,925 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 19:19:51,925 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_55030352-6c4c-4f12-80ca-ff522c5e2e0b/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product56_true-unreach-call_false-termination.cil.c [2018-12-08 19:19:51,959 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55030352-6c4c-4f12-80ca-ff522c5e2e0b/bin-2019/utaipan/data/5e003d95d/507ffcb212774cdfb913adf151fdaf5b/FLAGb32b9bad2 [2018-12-08 19:19:52,277 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 19:19:52,277 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_55030352-6c4c-4f12-80ca-ff522c5e2e0b/sv-benchmarks/c/product-lines/minepump_spec2_product56_true-unreach-call_false-termination.cil.c [2018-12-08 19:19:52,284 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55030352-6c4c-4f12-80ca-ff522c5e2e0b/bin-2019/utaipan/data/5e003d95d/507ffcb212774cdfb913adf151fdaf5b/FLAGb32b9bad2 [2018-12-08 19:19:52,292 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_55030352-6c4c-4f12-80ca-ff522c5e2e0b/bin-2019/utaipan/data/5e003d95d/507ffcb212774cdfb913adf151fdaf5b [2018-12-08 19:19:52,294 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 19:19:52,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 19:19:52,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 19:19:52,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 19:19:52,298 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 19:19:52,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:19:52" (1/1) ... [2018-12-08 19:19:52,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:19:52, skipping insertion in model container [2018-12-08 19:19:52,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:19:52" (1/1) ... [2018-12-08 19:19:52,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 19:19:52,326 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 19:19:52,473 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:19:52,480 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 19:19:52,564 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:19:52,579 INFO L195 MainTranslator]: Completed translation [2018-12-08 19:19:52,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:19:52 WrapperNode [2018-12-08 19:19:52,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 19:19:52,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 19:19:52,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 19:19:52,580 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 19:19:52,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:19:52" (1/1) ... [2018-12-08 19:19:52,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:19:52" (1/1) ... [2018-12-08 19:19:52,599 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 19:19:52,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 19:19:52,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 19:19:52,600 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 19:19:52,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:19:52" (1/1) ... [2018-12-08 19:19:52,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:19:52" (1/1) ... [2018-12-08 19:19:52,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:19:52" (1/1) ... [2018-12-08 19:19:52,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:19:52" (1/1) ... [2018-12-08 19:19:52,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:19:52" (1/1) ... [2018-12-08 19:19:52,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:19:52" (1/1) ... [2018-12-08 19:19:52,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:19:52" (1/1) ... [2018-12-08 19:19:52,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 19:19:52,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 19:19:52,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 19:19:52,621 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 19:19:52,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:19:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55030352-6c4c-4f12-80ca-ff522c5e2e0b/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 19:19:52,652 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 19:19:52,652 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 19:19:52,652 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 19:19:52,653 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 19:19:52,653 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-08 19:19:52,653 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-08 19:19:52,653 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 19:19:52,653 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 19:19:52,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 19:19:52,653 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 19:19:52,653 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 19:19:52,653 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 19:19:52,653 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 19:19:52,653 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 19:19:52,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 19:19:52,654 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 19:19:52,654 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 19:19:52,654 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 19:19:52,654 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 19:19:52,654 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 19:19:52,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 19:19:52,654 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-08 19:19:52,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-08 19:19:52,654 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-08 19:19:52,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-08 19:19:52,654 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 19:19:52,654 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 19:19:52,654 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 19:19:52,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 19:19:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 19:19:52,655 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 19:19:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 19:19:52,655 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 19:19:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 19:19:52,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 19:19:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 19:19:52,655 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 19:19:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-08 19:19:52,655 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-08 19:19:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 19:19:52,656 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 19:19:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 19:19:52,656 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 19:19:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 19:19:52,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 19:19:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 19:19:52,656 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 19:19:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 19:19:52,657 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 19:19:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 19:19:52,657 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 19:19:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 19:19:52,657 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 19:19:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 19:19:52,657 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 19:19:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 19:19:52,658 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 19:19:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 19:19:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 19:19:52,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 19:19:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 19:19:52,658 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 19:19:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 19:19:52,658 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 19:19:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 19:19:52,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 19:19:52,949 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 19:19:52,949 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 19:19:52,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:19:52 BoogieIcfgContainer [2018-12-08 19:19:52,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 19:19:52,950 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 19:19:52,950 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 19:19:52,953 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 19:19:52,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 07:19:52" (1/3) ... [2018-12-08 19:19:52,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3884a584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 07:19:52, skipping insertion in model container [2018-12-08 19:19:52,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:19:52" (2/3) ... [2018-12-08 19:19:52,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3884a584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 07:19:52, skipping insertion in model container [2018-12-08 19:19:52,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:19:52" (3/3) ... [2018-12-08 19:19:52,955 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product56_true-unreach-call_false-termination.cil.c [2018-12-08 19:19:52,963 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 19:19:52,968 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 19:19:52,979 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 19:19:52,998 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 19:19:52,998 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 19:19:52,998 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 19:19:52,998 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 19:19:52,999 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 19:19:52,999 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 19:19:52,999 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 19:19:52,999 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 19:19:53,010 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2018-12-08 19:19:53,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 19:19:53,016 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:19:53,016 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:19:53,018 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:19:53,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:19:53,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1663289692, now seen corresponding path program 1 times [2018-12-08 19:19:53,022 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:19:53,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:19:53,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:19:53,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:19:53,050 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:19:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:19:53,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:19:53,161 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:19:53,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 19:19:53,161 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:19:53,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 19:19:53,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 19:19:53,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 19:19:53,173 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2018-12-08 19:19:53,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:19:53,197 INFO L93 Difference]: Finished difference Result 312 states and 389 transitions. [2018-12-08 19:19:53,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 19:19:53,198 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-08 19:19:53,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:19:53,205 INFO L225 Difference]: With dead ends: 312 [2018-12-08 19:19:53,206 INFO L226 Difference]: Without dead ends: 158 [2018-12-08 19:19:53,208 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 19:19:53,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-12-08 19:19:53,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2018-12-08 19:19:53,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-12-08 19:19:53,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 188 transitions. [2018-12-08 19:19:53,241 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 188 transitions. Word has length 51 [2018-12-08 19:19:53,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:19:53,241 INFO L480 AbstractCegarLoop]: Abstraction has 158 states and 188 transitions. [2018-12-08 19:19:53,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 19:19:53,241 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 188 transitions. [2018-12-08 19:19:53,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 19:19:53,243 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:19:53,243 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:19:53,243 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:19:53,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:19:53,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1634703477, now seen corresponding path program 1 times [2018-12-08 19:19:53,243 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:19:53,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:19:53,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:19:53,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:19:53,244 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:19:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:19:53,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:19:53,302 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:19:53,302 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 19:19:53,302 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:19:53,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 19:19:53,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 19:19:53,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 19:19:53,303 INFO L87 Difference]: Start difference. First operand 158 states and 188 transitions. Second operand 3 states. [2018-12-08 19:19:53,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:19:53,317 INFO L93 Difference]: Finished difference Result 251 states and 299 transitions. [2018-12-08 19:19:53,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 19:19:53,318 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-08 19:19:53,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:19:53,319 INFO L225 Difference]: With dead ends: 251 [2018-12-08 19:19:53,319 INFO L226 Difference]: Without dead ends: 149 [2018-12-08 19:19:53,320 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 19:19:53,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-12-08 19:19:53,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-12-08 19:19:53,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-12-08 19:19:53,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 176 transitions. [2018-12-08 19:19:53,328 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 176 transitions. Word has length 52 [2018-12-08 19:19:53,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:19:53,328 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 176 transitions. [2018-12-08 19:19:53,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 19:19:53,329 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 176 transitions. [2018-12-08 19:19:53,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 19:19:53,329 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:19:53,330 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] [2018-12-08 19:19:53,330 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:19:53,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:19:53,330 INFO L82 PathProgramCache]: Analyzing trace with hash -765868889, now seen corresponding path program 1 times [2018-12-08 19:19:53,330 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:19:53,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:19:53,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:19:53,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:19:53,331 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:19:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:19:53,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:19:53,405 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:19:53,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 19:19:53,406 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:19:53,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 19:19:53,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 19:19:53,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 19:19:53,407 INFO L87 Difference]: Start difference. First operand 149 states and 176 transitions. Second operand 7 states. [2018-12-08 19:19:53,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:19:53,666 INFO L93 Difference]: Finished difference Result 442 states and 542 transitions. [2018-12-08 19:19:53,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 19:19:53,667 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-08 19:19:53,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:19:53,668 INFO L225 Difference]: With dead ends: 442 [2018-12-08 19:19:53,669 INFO L226 Difference]: Without dead ends: 321 [2018-12-08 19:19:53,669 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 [2018-12-08 19:19:53,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2018-12-08 19:19:53,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 309. [2018-12-08 19:19:53,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2018-12-08 19:19:53,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 378 transitions. [2018-12-08 19:19:53,690 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 378 transitions. Word has length 57 [2018-12-08 19:19:53,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:19:53,690 INFO L480 AbstractCegarLoop]: Abstraction has 309 states and 378 transitions. [2018-12-08 19:19:53,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 19:19:53,691 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 378 transitions. [2018-12-08 19:19:53,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-08 19:19:53,692 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:19:53,692 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] [2018-12-08 19:19:53,692 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:19:53,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:19:53,692 INFO L82 PathProgramCache]: Analyzing trace with hash 677225223, now seen corresponding path program 1 times [2018-12-08 19:19:53,692 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:19:53,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:19:53,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:19:53,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:19:53,693 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:19:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:19:53,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:19:53,753 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:19:53,753 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 19:19:53,753 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:19:53,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 19:19:53,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 19:19:53,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 19:19:53,754 INFO L87 Difference]: Start difference. First operand 309 states and 378 transitions. Second operand 6 states. [2018-12-08 19:19:53,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:19:53,906 INFO L93 Difference]: Finished difference Result 853 states and 1068 transitions. [2018-12-08 19:19:53,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 19:19:53,907 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-08 19:19:53,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:19:53,911 INFO L225 Difference]: With dead ends: 853 [2018-12-08 19:19:53,911 INFO L226 Difference]: Without dead ends: 572 [2018-12-08 19:19:53,912 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 19:19:53,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2018-12-08 19:19:53,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 566. [2018-12-08 19:19:53,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2018-12-08 19:19:53,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 696 transitions. [2018-12-08 19:19:53,952 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 696 transitions. Word has length 62 [2018-12-08 19:19:53,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:19:53,953 INFO L480 AbstractCegarLoop]: Abstraction has 566 states and 696 transitions. [2018-12-08 19:19:53,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 19:19:53,953 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 696 transitions. [2018-12-08 19:19:53,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 19:19:53,964 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:19:53,964 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] [2018-12-08 19:19:53,965 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:19:53,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:19:53,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1831613501, now seen corresponding path program 1 times [2018-12-08 19:19:53,965 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:19:53,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:19:53,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:19:53,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:19:53,966 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:19:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:19:54,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:19:54,015 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:19:54,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 19:19:54,015 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:19:54,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 19:19:54,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 19:19:54,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 19:19:54,016 INFO L87 Difference]: Start difference. First operand 566 states and 696 transitions. Second operand 7 states. [2018-12-08 19:19:54,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:19:54,438 INFO L93 Difference]: Finished difference Result 1463 states and 1926 transitions. [2018-12-08 19:19:54,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 19:19:54,438 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-08 19:19:54,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:19:54,443 INFO L225 Difference]: With dead ends: 1463 [2018-12-08 19:19:54,443 INFO L226 Difference]: Without dead ends: 925 [2018-12-08 19:19:54,445 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 [2018-12-08 19:19:54,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2018-12-08 19:19:54,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 827. [2018-12-08 19:19:54,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2018-12-08 19:19:54,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1007 transitions. [2018-12-08 19:19:54,499 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1007 transitions. Word has length 66 [2018-12-08 19:19:54,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:19:54,499 INFO L480 AbstractCegarLoop]: Abstraction has 827 states and 1007 transitions. [2018-12-08 19:19:54,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 19:19:54,500 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1007 transitions. [2018-12-08 19:19:54,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-08 19:19:54,501 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:19:54,501 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:19:54,502 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:19:54,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:19:54,502 INFO L82 PathProgramCache]: Analyzing trace with hash -139804171, now seen corresponding path program 1 times [2018-12-08 19:19:54,502 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:19:54,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:19:54,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:19:54,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:19:54,503 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:19:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:19:54,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:19:54,562 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:19:54,562 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 19:19:54,562 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:19:54,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 19:19:54,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 19:19:54,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 19:19:54,563 INFO L87 Difference]: Start difference. First operand 827 states and 1007 transitions. Second operand 6 states. [2018-12-08 19:19:54,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:19:54,613 INFO L93 Difference]: Finished difference Result 1646 states and 2044 transitions. [2018-12-08 19:19:54,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 19:19:54,613 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-12-08 19:19:54,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:19:54,616 INFO L225 Difference]: With dead ends: 1646 [2018-12-08 19:19:54,616 INFO L226 Difference]: Without dead ends: 847 [2018-12-08 19:19:54,617 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 19:19:54,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2018-12-08 19:19:54,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 847. [2018-12-08 19:19:54,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 847 states. [2018-12-08 19:19:54,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1027 transitions. [2018-12-08 19:19:54,647 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1027 transitions. Word has length 94 [2018-12-08 19:19:54,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:19:54,648 INFO L480 AbstractCegarLoop]: Abstraction has 847 states and 1027 transitions. [2018-12-08 19:19:54,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 19:19:54,648 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1027 transitions. [2018-12-08 19:19:54,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-08 19:19:54,650 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:19:54,650 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:19:54,650 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:19:54,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:19:54,650 INFO L82 PathProgramCache]: Analyzing trace with hash -212190729, now seen corresponding path program 1 times [2018-12-08 19:19:54,650 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:19:54,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:19:54,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:19:54,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:19:54,651 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:19:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:19:54,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:19:54,725 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:19:54,725 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 19:19:54,725 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:19:54,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 19:19:54,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 19:19:54,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 19:19:54,726 INFO L87 Difference]: Start difference. First operand 847 states and 1027 transitions. Second operand 8 states. [2018-12-08 19:19:54,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:19:54,762 INFO L93 Difference]: Finished difference Result 1694 states and 2130 transitions. [2018-12-08 19:19:54,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 19:19:54,762 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2018-12-08 19:19:54,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:19:54,764 INFO L225 Difference]: With dead ends: 1694 [2018-12-08 19:19:54,765 INFO L226 Difference]: Without dead ends: 875 [2018-12-08 19:19:54,766 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 19:19:54,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2018-12-08 19:19:54,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 863. [2018-12-08 19:19:54,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 863 states. [2018-12-08 19:19:54,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 863 states and 1043 transitions. [2018-12-08 19:19:54,792 INFO L78 Accepts]: Start accepts. Automaton has 863 states and 1043 transitions. Word has length 94 [2018-12-08 19:19:54,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:19:54,792 INFO L480 AbstractCegarLoop]: Abstraction has 863 states and 1043 transitions. [2018-12-08 19:19:54,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 19:19:54,792 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1043 transitions. [2018-12-08 19:19:54,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-08 19:19:54,793 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:19:54,793 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:19:54,793 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:19:54,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:19:54,794 INFO L82 PathProgramCache]: Analyzing trace with hash 117575032, now seen corresponding path program 1 times [2018-12-08 19:19:54,794 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:19:54,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:19:54,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:19:54,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:19:54,803 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:19:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:19:54,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:19:54,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:19:54,851 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 19:19:54,851 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:19:54,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 19:19:54,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 19:19:54,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 19:19:54,852 INFO L87 Difference]: Start difference. First operand 863 states and 1043 transitions. Second operand 4 states. [2018-12-08 19:19:55,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:19:55,034 INFO L93 Difference]: Finished difference Result 2789 states and 3534 transitions. [2018-12-08 19:19:55,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 19:19:55,034 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2018-12-08 19:19:55,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:19:55,042 INFO L225 Difference]: With dead ends: 2789 [2018-12-08 19:19:55,043 INFO L226 Difference]: Without dead ends: 1954 [2018-12-08 19:19:55,045 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 19:19:55,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1954 states. [2018-12-08 19:19:55,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1954 to 1923. [2018-12-08 19:19:55,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1923 states. [2018-12-08 19:19:55,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 2383 transitions. [2018-12-08 19:19:55,116 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 2383 transitions. Word has length 94 [2018-12-08 19:19:55,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:19:55,116 INFO L480 AbstractCegarLoop]: Abstraction has 1923 states and 2383 transitions. [2018-12-08 19:19:55,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 19:19:55,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2383 transitions. [2018-12-08 19:19:55,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-08 19:19:55,118 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:19:55,118 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:19:55,118 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:19:55,118 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:19:55,119 INFO L82 PathProgramCache]: Analyzing trace with hash 590785298, now seen corresponding path program 1 times [2018-12-08 19:19:55,119 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:19:55,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:19:55,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:19:55,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:19:55,120 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:19:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:19:55,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:19:55,157 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:19:55,157 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 19:19:55,157 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:19:55,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 19:19:55,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 19:19:55,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 19:19:55,158 INFO L87 Difference]: Start difference. First operand 1923 states and 2383 transitions. Second operand 3 states. [2018-12-08 19:19:55,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:19:55,243 INFO L93 Difference]: Finished difference Result 3114 states and 3973 transitions. [2018-12-08 19:19:55,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 19:19:55,244 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2018-12-08 19:19:55,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:19:55,256 INFO L225 Difference]: With dead ends: 3114 [2018-12-08 19:19:55,256 INFO L226 Difference]: Without dead ends: 3111 [2018-12-08 19:19:55,257 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 19:19:55,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3111 states. [2018-12-08 19:19:55,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3111 to 2951. [2018-12-08 19:19:55,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2951 states. [2018-12-08 19:19:55,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2951 states to 2951 states and 3777 transitions. [2018-12-08 19:19:55,371 INFO L78 Accepts]: Start accepts. Automaton has 2951 states and 3777 transitions. Word has length 98 [2018-12-08 19:19:55,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:19:55,372 INFO L480 AbstractCegarLoop]: Abstraction has 2951 states and 3777 transitions. [2018-12-08 19:19:55,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 19:19:55,372 INFO L276 IsEmpty]: Start isEmpty. Operand 2951 states and 3777 transitions. [2018-12-08 19:19:55,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-08 19:19:55,378 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:19:55,378 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:19:55,378 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:19:55,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:19:55,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1889138459, now seen corresponding path program 1 times [2018-12-08 19:19:55,378 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:19:55,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:19:55,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:19:55,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:19:55,379 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:19:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:19:55,451 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 19:19:55,451 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 19:19:55,451 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 19:19:55,452 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2018-12-08 19:19:55,453 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [50], [65], [68], [69], [73], [74], [76], [85], [89], [93], [96], [99], [101], [104], [107], [109], [115], [121], [131], [133], [136], [138], [141], [144], [147], [155], [156], [157], [158], [159], [160], [161], [162], [164], [169], [171], [172], [177], [179], [211], [215], [221], [222], [223], [231], [237], [240], [242], [245], [255], [258], [262], [263], [266], [281], [284], [285], [286], [287], [288], [289], [290], [291], [292], [293], [299], [300], [301], [311], [312], [313], [314], [315], [316], [321], [322], [325], [326], [327], [328], [329], [331], [332], [339], [340], [341], [342], [343], [344], [345], [347], [348], [349], [350], [361], [362] [2018-12-08 19:19:55,481 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 19:19:55,481 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 19:19:57,043 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 19:19:57,044 INFO L272 AbstractInterpreter]: Visited 105 different actions 615 times. Merged at 14 different actions 65 times. Never widened. Performed 30888 root evaluator evaluations with a maximum evaluation depth of 3. Performed 30888 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 4 different actions. Largest state had 135 variables. [2018-12-08 19:19:57,050 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:19:57,051 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 19:19:57,051 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 19:19:57,051 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55030352-6c4c-4f12-80ca-ff522c5e2e0b/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 19:19:57,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:19:57,057 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 19:19:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:19:57,144 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:19:57,179 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:19:57,179 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 19:19:57,306 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 19:19:57,333 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-08 19:19:57,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-12-08 19:19:57,333 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:19:57,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 19:19:57,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 19:19:57,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-08 19:19:57,334 INFO L87 Difference]: Start difference. First operand 2951 states and 3777 transitions. Second operand 3 states. [2018-12-08 19:19:57,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:19:57,466 INFO L93 Difference]: Finished difference Result 5354 states and 6942 transitions. [2018-12-08 19:19:57,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 19:19:57,466 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2018-12-08 19:19:57,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:19:57,474 INFO L225 Difference]: With dead ends: 5354 [2018-12-08 19:19:57,474 INFO L226 Difference]: Without dead ends: 2775 [2018-12-08 19:19:57,479 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 324 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-08 19:19:57,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2775 states. [2018-12-08 19:19:57,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2775 to 2004. [2018-12-08 19:19:57,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2004 states. [2018-12-08 19:19:57,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 2004 states and 2312 transitions. [2018-12-08 19:19:57,604 INFO L78 Accepts]: Start accepts. Automaton has 2004 states and 2312 transitions. Word has length 162 [2018-12-08 19:19:57,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:19:57,605 INFO L480 AbstractCegarLoop]: Abstraction has 2004 states and 2312 transitions. [2018-12-08 19:19:57,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 19:19:57,605 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 2312 transitions. [2018-12-08 19:19:57,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-08 19:19:57,608 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:19:57,608 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:19:57,608 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:19:57,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:19:57,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1841766032, now seen corresponding path program 1 times [2018-12-08 19:19:57,609 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:19:57,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:19:57,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:19:57,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:19:57,610 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:19:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:19:57,655 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-08 19:19:57,655 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:19:57,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 19:19:57,656 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:19:57,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 19:19:57,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 19:19:57,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 19:19:57,657 INFO L87 Difference]: Start difference. First operand 2004 states and 2312 transitions. Second operand 3 states. [2018-12-08 19:19:57,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:19:57,718 INFO L93 Difference]: Finished difference Result 3092 states and 3577 transitions. [2018-12-08 19:19:57,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 19:19:57,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2018-12-08 19:19:57,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:19:57,721 INFO L225 Difference]: With dead ends: 3092 [2018-12-08 19:19:57,721 INFO L226 Difference]: Without dead ends: 1116 [2018-12-08 19:19:57,724 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 19:19:57,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2018-12-08 19:19:57,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1093. [2018-12-08 19:19:57,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1093 states. [2018-12-08 19:19:57,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 1093 states and 1246 transitions. [2018-12-08 19:19:57,759 INFO L78 Accepts]: Start accepts. Automaton has 1093 states and 1246 transitions. Word has length 171 [2018-12-08 19:19:57,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:19:57,759 INFO L480 AbstractCegarLoop]: Abstraction has 1093 states and 1246 transitions. [2018-12-08 19:19:57,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 19:19:57,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1246 transitions. [2018-12-08 19:19:57,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-08 19:19:57,761 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:19:57,761 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:19:57,761 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:19:57,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:19:57,762 INFO L82 PathProgramCache]: Analyzing trace with hash -46085140, now seen corresponding path program 1 times [2018-12-08 19:19:57,762 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:19:57,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:19:57,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:19:57,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:19:57,762 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:19:57,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:19:57,857 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 19:19:57,858 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 19:19:57,858 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 19:19:57,858 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 176 with the following transitions: [2018-12-08 19:19:57,858 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], [133], [136], [138], [141], [144], [147], [155], [156], [157], [158], [159], [160], [161], [162], [164], [169], [171], [172], [177], [179], [208], [211], [215], [221], [222], [223], [226], [230], [231], [237], [240], [242], [245], [252], [255], [258], [262], [263], [266], [269], [271], [277], [281], [284], [285], [286], [287], [288], [289], [290], [291], [292], [293], [297], [298], [299], [300], [301], [303], [304], [305], [306], [309], [310], [311], [312], [313], [314], [315], [316], [321], [322], [325], [326], [327], [328], [329], [331], [332], [337], [338], [339], [340], [341], [342], [343], [344], [345], [347], [348], [349], [350], [353], [354], [355], [356], [359], [360], [361], [362] [2018-12-08 19:19:57,860 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 19:19:57,860 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 19:19:59,475 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 19:19:59,475 INFO L272 AbstractInterpreter]: Visited 142 different actions 1232 times. Merged at 21 different actions 112 times. Never widened. Performed 44526 root evaluator evaluations with a maximum evaluation depth of 5. Performed 44526 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 21 fixpoints after 6 different actions. Largest state had 135 variables. [2018-12-08 19:19:59,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:19:59,477 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 19:19:59,477 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 19:19:59,477 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55030352-6c4c-4f12-80ca-ff522c5e2e0b/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 19:19:59,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:19:59,483 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 19:19:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:19:59,565 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:19:59,665 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 19:19:59,665 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 19:19:59,932 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 19:19:59,947 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-08 19:19:59,947 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-08 19:19:59,947 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:19:59,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 19:19:59,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 19:19:59,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-08 19:19:59,948 INFO L87 Difference]: Start difference. First operand 1093 states and 1246 transitions. Second operand 8 states. [2018-12-08 19:20:00,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:20:00,169 INFO L93 Difference]: Finished difference Result 1970 states and 2262 transitions. [2018-12-08 19:20:00,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 19:20:00,169 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 175 [2018-12-08 19:20:00,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:20:00,169 INFO L225 Difference]: With dead ends: 1970 [2018-12-08 19:20:00,169 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 19:20:00,171 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 335 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-08 19:20:00,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 19:20:00,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 19:20:00,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 19:20:00,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 19:20:00,172 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2018-12-08 19:20:00,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:20:00,172 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 19:20:00,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 19:20:00,172 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 19:20:00,172 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 19:20:00,175 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 19:20:00,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:20:00,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:20:00,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:20:00,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:20:00,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:20:00,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:20:00,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:20:00,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:20:00,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:20:00,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:20:00,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:20:00,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:20:00,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:20:00,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:20:00,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:20:00,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:20:00,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:20:00,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:20:00,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:20:00,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:20:00,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:20:00,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:20:00,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:20:00,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:20:01,387 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 50 [2018-12-08 19:20:01,620 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 52 [2018-12-08 19:20:02,815 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 47 [2018-12-08 19:20:03,201 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 909 915) the Hoare annotation is: true [2018-12-08 19:20:03,201 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 909 915) no Hoare annotation was computed. [2018-12-08 19:20:03,201 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 916 924) no Hoare annotation was computed. [2018-12-08 19:20:03,201 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 916 924) the Hoare annotation is: true [2018-12-08 19:20:03,201 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 916 924) no Hoare annotation was computed. [2018-12-08 19:20:03,201 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 999 1021) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 19:20:03,202 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 999 1021) no Hoare annotation was computed. [2018-12-08 19:20:03,202 INFO L444 ceAbstractionStarter]: At program point L1011(line 1011) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 19:20:03,202 INFO L444 ceAbstractionStarter]: At program point L1011-1(line 1011) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 19:20:03,202 INFO L448 ceAbstractionStarter]: For program point L1009(lines 1009 1016) no Hoare annotation was computed. [2018-12-08 19:20:03,202 INFO L448 ceAbstractionStarter]: For program point L1009-1(lines 1009 1016) no Hoare annotation was computed. [2018-12-08 19:20:03,202 INFO L448 ceAbstractionStarter]: For program point L1007(line 1007) no Hoare annotation was computed. [2018-12-08 19:20:03,202 INFO L444 ceAbstractionStarter]: At program point L1006(line 1006) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 19:20:03,202 INFO L444 ceAbstractionStarter]: At program point L1005(line 1005) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 19:20:03,202 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 999 1021) no Hoare annotation was computed. [2018-12-08 19:20:03,202 INFO L444 ceAbstractionStarter]: At program point L1005-1(line 1005) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 19:20:03,202 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 794 808) no Hoare annotation was computed. [2018-12-08 19:20:03,202 INFO L444 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse6 (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse4 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or .cse1 .cse2)) (or (or .cse3 .cse4 .cse5) .cse6) (or (or .cse1 .cse5) .cse2) (or .cse3 .cse0 .cse6 .cse4))) [2018-12-08 19:20:03,202 INFO L448 ceAbstractionStarter]: For program point L798(lines 798 804) no Hoare annotation was computed. [2018-12-08 19:20:03,202 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 794 808) the Hoare annotation is: (let ((.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse3 (and (= ~systemActive~0 1) .cse6)) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (or (or .cse4 .cse2) .cse5) .cse6) (or .cse0 .cse7 .cse3 .cse1) (or .cse7 .cse6 (or .cse4 .cse5))))) [2018-12-08 19:20:03,202 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 794 808) no Hoare annotation was computed. [2018-12-08 19:20:03,203 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 711 719) no Hoare annotation was computed. [2018-12-08 19:20:03,203 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 711 719) the Hoare annotation is: true [2018-12-08 19:20:03,203 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 711 719) no Hoare annotation was computed. [2018-12-08 19:20:03,203 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 788) no Hoare annotation was computed. [2018-12-08 19:20:03,203 INFO L451 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: true [2018-12-08 19:20:03,203 INFO L448 ceAbstractionStarter]: For program point L784-2(lines 784 788) no Hoare annotation was computed. [2018-12-08 19:20:03,203 INFO L448 ceAbstractionStarter]: For program point L782-1(line 782) no Hoare annotation was computed. [2018-12-08 19:20:03,203 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 775 793) the Hoare annotation is: true [2018-12-08 19:20:03,203 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 775 793) no Hoare annotation was computed. [2018-12-08 19:20:03,203 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 775 793) no Hoare annotation was computed. [2018-12-08 19:20:03,203 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 902 908) no Hoare annotation was computed. [2018-12-08 19:20:03,203 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 902 908) the Hoare annotation is: true [2018-12-08 19:20:03,203 INFO L444 ceAbstractionStarter]: At program point L993(line 993) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 19:20:03,203 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 988 998) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 19:20:03,203 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 988 998) no Hoare annotation was computed. [2018-12-08 19:20:03,203 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 988 998) no Hoare annotation was computed. [2018-12-08 19:20:03,203 INFO L451 ceAbstractionStarter]: At program point L705(line 705) the Hoare annotation is: true [2018-12-08 19:20:03,203 INFO L448 ceAbstractionStarter]: For program point L705-1(line 705) no Hoare annotation was computed. [2018-12-08 19:20:03,204 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 700 710) the Hoare annotation is: true [2018-12-08 19:20:03,204 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 700 710) no Hoare annotation was computed. [2018-12-08 19:20:03,204 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 700 710) no Hoare annotation was computed. [2018-12-08 19:20:03,204 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 692 699) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (< ~methaneLevelCritical~0 1) .cse1 .cse2) (or (or .cse0 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse1))) [2018-12-08 19:20:03,204 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 692 699) no Hoare annotation was computed. [2018-12-08 19:20:03,204 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 692 699) no Hoare annotation was computed. [2018-12-08 19:20:03,204 INFO L444 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse4 .cse5 .cse1) (or .cse5 (or .cse0 .cse1 .cse2)))) [2018-12-08 19:20:03,204 INFO L444 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse1 .cse3) .cse5) (or .cse6 (or .cse0 .cse1 .cse2)) (or .cse4 .cse6 .cse1 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse5)))) [2018-12-08 19:20:03,204 INFO L448 ceAbstractionStarter]: For program point L667(lines 667 675) no Hoare annotation was computed. [2018-12-08 19:20:03,204 INFO L444 ceAbstractionStarter]: At program point L665(line 665) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5 .cse6) (or (or .cse0 .cse3 .cse6) .cse2) (or .cse1 (or .cse4 .cse3 .cse5)))) [2018-12-08 19:20:03,204 INFO L448 ceAbstractionStarter]: For program point L665-1(line 665) no Hoare annotation was computed. [2018-12-08 19:20:03,204 INFO L448 ceAbstractionStarter]: For program point L663(lines 663 680) no Hoare annotation was computed. [2018-12-08 19:20:03,204 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 659 683) no Hoare annotation was computed. [2018-12-08 19:20:03,204 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 659 683) the Hoare annotation is: (let ((.cse1 (< ~methaneLevelCritical~0 1)) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (or .cse4 .cse3 .cse5) .cse2) (or (or .cse0 .cse3 .cse6) .cse2) (or (or .cse4 .cse3 .cse5 .cse6) .cse2))) [2018-12-08 19:20:03,204 INFO L444 ceAbstractionStarter]: At program point L678(line 678) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse5 .cse2 .cse6) (or (or .cse1 .cse2 .cse3 .cse6) .cse4) (or .cse5 .cse0 .cse2))) [2018-12-08 19:20:03,204 INFO L448 ceAbstractionStarter]: For program point L678-1(lines 659 683) no Hoare annotation was computed. [2018-12-08 19:20:03,204 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 512) no Hoare annotation was computed. [2018-12-08 19:20:03,205 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 502 515) no Hoare annotation was computed. [2018-12-08 19:20:03,205 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 502 515) the Hoare annotation is: true [2018-12-08 19:20:03,205 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 502 515) no Hoare annotation was computed. [2018-12-08 19:20:03,205 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 599 605) no Hoare annotation was computed. [2018-12-08 19:20:03,205 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 599 605) the Hoare annotation is: true [2018-12-08 19:20:03,205 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 819 886) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 19:20:03,205 INFO L448 ceAbstractionStarter]: For program point L830(lines 829 878) no Hoare annotation was computed. [2018-12-08 19:20:03,205 INFO L444 ceAbstractionStarter]: At program point L861(line 861) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2) (and .cse5 (and .cse1 .cse2 .cse3)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse5 .cse2))) [2018-12-08 19:20:03,205 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 874) no Hoare annotation was computed. [2018-12-08 19:20:03,205 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 819 886) no Hoare annotation was computed. [2018-12-08 19:20:03,205 INFO L444 ceAbstractionStarter]: At program point L851(line 851) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse7 (= ~systemActive~0 0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse6 .cse2 .cse4 .cse3) (and .cse6 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse0 .cse1 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse6 .cse0 .cse3 .cse4))) [2018-12-08 19:20:03,205 INFO L448 ceAbstractionStarter]: For program point L849(lines 849 855) no Hoare annotation was computed. [2018-12-08 19:20:03,205 INFO L448 ceAbstractionStarter]: For program point L849-1(lines 849 855) no Hoare annotation was computed. [2018-12-08 19:20:03,205 INFO L444 ceAbstractionStarter]: At program point L876(lines 829 878) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= ~systemActive~0 0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse6 .cse2 .cse5 .cse3) (and .cse6 .cse4 .cse2 .cse3 .cse5) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse4 .cse1 .cse3 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse6 .cse4 .cse3 .cse5))) [2018-12-08 19:20:03,206 INFO L444 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 (and .cse6 .cse0 .cse3) .cse4) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse6 .cse2 .cse3 .cse4))) [2018-12-08 19:20:03,206 INFO L448 ceAbstractionStarter]: For program point L839(lines 839 845) no Hoare annotation was computed. [2018-12-08 19:20:03,206 INFO L448 ceAbstractionStarter]: For program point L839-1(lines 839 845) no Hoare annotation was computed. [2018-12-08 19:20:03,206 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 835) no Hoare annotation was computed. [2018-12-08 19:20:03,206 INFO L444 ceAbstractionStarter]: At program point L879(lines 828 880) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 19:20:03,206 INFO L444 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse4 .cse5 .cse6 .cse2) (and (and .cse1 .cse2 .cse3) .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse0 .cse6 .cse2))) [2018-12-08 19:20:03,206 INFO L448 ceAbstractionStarter]: For program point L867(lines 867 873) no Hoare annotation was computed. [2018-12-08 19:20:03,206 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 819 886) no Hoare annotation was computed. [2018-12-08 19:20:03,207 INFO L444 ceAbstractionStarter]: At program point L867-1(lines 859 874) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse1 .cse3) (and .cse5 (and .cse6 .cse0 .cse3)) (and .cse6 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse6 .cse2 .cse3))) [2018-12-08 19:20:03,207 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 516 524) no Hoare annotation was computed. [2018-12-08 19:20:03,207 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 516 524) the Hoare annotation is: true [2018-12-08 19:20:03,207 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 516 524) no Hoare annotation was computed. [2018-12-08 19:20:03,207 INFO L448 ceAbstractionStarter]: For program point L546-1(line 546) no Hoare annotation was computed. [2018-12-08 19:20:03,207 INFO L448 ceAbstractionStarter]: For program point L544(lines 544 561) no Hoare annotation was computed. [2018-12-08 19:20:03,207 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 536 564) no Hoare annotation was computed. [2018-12-08 19:20:03,207 INFO L444 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (let ((.cse8 (= ~waterLevel~0 1))) (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse6 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 0))) (.cse4 (not .cse8)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse1 .cse6 .cse4 .cse5 .cse7) (or (< ~pumpRunning~0 1) .cse0 .cse8 .cse6 .cse5 .cse1) (or .cse0 .cse2 .cse1 .cse6 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse7)))) [2018-12-08 19:20:03,207 INFO L448 ceAbstractionStarter]: For program point L542-1(line 542) no Hoare annotation was computed. [2018-12-08 19:20:03,207 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 536 564) the Hoare annotation is: (let ((.cse8 (= ~waterLevel~0 1))) (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse6 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 0))) (.cse4 (not .cse8)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse1 .cse6 .cse4 .cse5 .cse7) (or (< ~pumpRunning~0 1) .cse0 .cse8 .cse6 .cse5 .cse1) (or .cse0 .cse2 .cse1 .cse6 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse7)))) [2018-12-08 19:20:03,208 INFO L444 ceAbstractionStarter]: At program point L551(line 551) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< ~pumpRunning~0 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 .cse0 .cse3) (or (or .cse1 .cse4) .cse3) (or .cse1 .cse2 .cse4) (or .cse5 .cse2 .cse4) (or .cse5 .cse0 (= ~waterLevel~0 1) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2018-12-08 19:20:03,208 INFO L448 ceAbstractionStarter]: For program point L549(lines 549 555) no Hoare annotation was computed. [2018-12-08 19:20:03,208 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 558) no Hoare annotation was computed. [2018-12-08 19:20:03,208 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 536 564) no Hoare annotation was computed. [2018-12-08 19:20:03,208 INFO L444 ceAbstractionStarter]: At program point L546(line 546) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 1))) (let ((.cse3 (not (= ~systemActive~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not .cse7)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse6 (< ~pumpRunning~0 1)) (.cse8 (not (= ~systemActive~0 1))) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse8 .cse5 .cse1) (or (or .cse2 .cse9) .cse3) (or .cse0 .cse2 .cse1 .cse8 .cse4 .cse5) (or .cse2 .cse8 .cse9) (or .cse6 .cse8 .cse9)))) [2018-12-08 19:20:03,208 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 528 535) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-08 19:20:03,208 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 528 535) no Hoare annotation was computed. [2018-12-08 19:20:03,208 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 528 535) no Hoare annotation was computed. [2018-12-08 19:20:03,208 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 19:20:03,208 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-08 19:20:03,208 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 19:20:03,209 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 684 691) no Hoare annotation was computed. [2018-12-08 19:20:03,209 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 684 691) no Hoare annotation was computed. [2018-12-08 19:20:03,209 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 684 691) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse3 .cse2 .cse4))) [2018-12-08 19:20:03,209 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 756 774) no Hoare annotation was computed. [2018-12-08 19:20:03,209 INFO L448 ceAbstractionStarter]: For program point L765(lines 765 769) no Hoare annotation was computed. [2018-12-08 19:20:03,209 INFO L451 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: true [2018-12-08 19:20:03,209 INFO L448 ceAbstractionStarter]: For program point L765-2(lines 765 769) no Hoare annotation was computed. [2018-12-08 19:20:03,209 INFO L448 ceAbstractionStarter]: For program point L763-1(line 763) no Hoare annotation was computed. [2018-12-08 19:20:03,209 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 756 774) the Hoare annotation is: true [2018-12-08 19:20:03,209 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 756 774) no Hoare annotation was computed. [2018-12-08 19:20:03,210 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 449 460) the Hoare annotation is: (let ((.cse0 (< ~pumpRunning~0 1)) (.cse4 (not (= ~systemActive~0 0))) (.cse1 (< |old(~methaneLevelCritical~0)| 1)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methAndRunningLastTime~0 0))) (.cse8 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 (or .cse5 .cse6)) (or .cse7 .cse0 .cse3 .cse6 .cse8) (or (or .cse5 .cse6 .cse8) .cse7 .cse4) (or .cse1 (or .cse5 .cse3 .cse6) .cse2) (or (or .cse5 .cse3 .cse6 .cse8) .cse7))) [2018-12-08 19:20:03,210 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 449 460) no Hoare annotation was computed. [2018-12-08 19:20:03,210 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 449 460) no Hoare annotation was computed. [2018-12-08 19:20:03,210 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 927 956) no Hoare annotation was computed. [2018-12-08 19:20:03,210 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 927 956) the Hoare annotation is: true [2018-12-08 19:20:03,210 INFO L451 ceAbstractionStarter]: At program point L952(lines 927 956) the Hoare annotation is: true [2018-12-08 19:20:03,210 INFO L448 ceAbstractionStarter]: For program point L948(line 948) no Hoare annotation was computed. [2018-12-08 19:20:03,210 INFO L448 ceAbstractionStarter]: For program point L941(lines 941 945) no Hoare annotation was computed. [2018-12-08 19:20:03,210 INFO L451 ceAbstractionStarter]: At program point L941-1(lines 941 945) the Hoare annotation is: true [2018-12-08 19:20:03,210 INFO L448 ceAbstractionStarter]: For program point L938(line 938) no Hoare annotation was computed. [2018-12-08 19:20:03,210 INFO L451 ceAbstractionStarter]: At program point L937-2(lines 937 951) the Hoare annotation is: true [2018-12-08 19:20:03,210 INFO L451 ceAbstractionStarter]: At program point L933(line 933) the Hoare annotation is: true [2018-12-08 19:20:03,210 INFO L448 ceAbstractionStarter]: For program point L933-1(line 933) no Hoare annotation was computed. [2018-12-08 19:20:03,211 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 575 598) the Hoare annotation is: (let ((.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= 1 ~waterLevel~0)) (.cse10 (= 0 ~methAndRunningLastTime~0))) (let ((.cse7 (< |old(~pumpRunning~0)| 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse12 (and .cse2 .cse10)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (and .cse10 .cse6)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse11 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 (or .cse7 .cse3)) (or .cse0 (or .cse1 .cse3 .cse5) .cse8) (or .cse6 (or .cse7 .cse3 .cse9)) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse9) (or .cse0 .cse10 (or .cse7 .cse3 .cse5)) (or .cse0 (or .cse11 .cse1) .cse6) (or .cse12 .cse1 .cse11 .cse4 .cse5 .cse9) (or .cse0 .cse12 .cse1 .cse11 .cse4 .cse5) (or (or .cse1 .cse3 .cse5 .cse9) .cse8) (or (or .cse1 .cse9) .cse11 .cse6)))) [2018-12-08 19:20:03,211 INFO L444 ceAbstractionStarter]: At program point L588(line 588) the Hoare annotation is: (let ((.cse11 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (and .cse11 .cse6)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 (or .cse7 .cse3)) (or .cse0 (or .cse1 .cse3 .cse5) .cse8) (or .cse0 (or .cse9 .cse1)) (or .cse6 (or .cse7 .cse3 .cse10)) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse10) (or .cse0 .cse11 (or .cse7 .cse3 .cse5)) (or (or .cse1 .cse3 .cse5 .cse10) .cse8) (or (or .cse1 .cse10) .cse9)))) [2018-12-08 19:20:03,211 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 575 598) no Hoare annotation was computed. [2018-12-08 19:20:03,211 INFO L444 ceAbstractionStarter]: At program point L586(lines 586 592) the Hoare annotation is: (let ((.cse12 (= 0 ~methAndRunningLastTime~0))) (let ((.cse5 (< |old(~pumpRunning~0)| 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse11 (and (<= 1 ~pumpRunning~0) (not (= ~waterLevel~0 1)) .cse12)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (and (= 1 ~waterLevel~0) .cse12)) (.cse6 (not (= ~systemActive~0 1))) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse10 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or .cse3 .cse4 (or .cse5 .cse6 .cse7)) (or .cse8 .cse2 .cse1 .cse9 .cse10 .cse7) (or .cse0 .cse8 .cse2 .cse1 .cse9 .cse10) (or .cse0 .cse11 .cse3 (or .cse2 .cse6 .cse10)) (or .cse0 (or .cse5 .cse6) .cse4) (or .cse11 .cse3 (or .cse2 .cse6 .cse10 .cse7)) (or .cse0 .cse2 .cse8 .cse6 .cse9 .cse10) (or (or .cse2 .cse7) .cse1 .cse3) (or .cse2 .cse8 .cse6 .cse9 .cse10 .cse7)))) [2018-12-08 19:20:03,211 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 575 598) no Hoare annotation was computed. [2018-12-08 19:20:03,211 INFO L444 ceAbstractionStarter]: At program point L581(line 581) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~systemActive~0 0))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (or .cse6 .cse1)) (or .cse4 (or .cse7 .cse0)) (or .cse5 (or .cse6 .cse1 .cse3)) (or .cse4 (or .cse0 .cse1 .cse2)) (or (or .cse0 .cse3) .cse7) (or (= 0 ~methAndRunningLastTime~0) .cse4 (or .cse6 .cse1 .cse2)))) [2018-12-08 19:20:03,212 INFO L448 ceAbstractionStarter]: For program point L579(lines 578 597) no Hoare annotation was computed. [2018-12-08 19:20:03,212 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 461 469) the Hoare annotation is: true [2018-12-08 19:20:03,212 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 461 469) no Hoare annotation was computed. [2018-12-08 19:20:03,212 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 461 469) no Hoare annotation was computed. [2018-12-08 19:20:03,212 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 425 436) the Hoare annotation is: true [2018-12-08 19:20:03,212 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 425 436) no Hoare annotation was computed. [2018-12-08 19:20:03,212 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 425 436) no Hoare annotation was computed. [2018-12-08 19:20:03,212 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 981 987) no Hoare annotation was computed. [2018-12-08 19:20:03,212 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 981 987) the Hoare annotation is: true [2018-12-08 19:20:03,212 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 19:20:03,212 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-12-08 19:20:03,212 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 19:20:03,212 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 19:20:03,213 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 809 816) no Hoare annotation was computed. [2018-12-08 19:20:03,213 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 809 816) the Hoare annotation is: true [2018-12-08 19:20:03,213 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 809 816) no Hoare annotation was computed. [2018-12-08 19:20:03,213 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 607 631) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1 .cse2) .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse4) .cse3) (or (or .cse0 .cse1 .cse2 .cse4) .cse3))) [2018-12-08 19:20:03,213 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 607 631) no Hoare annotation was computed. [2018-12-08 19:20:03,213 INFO L444 ceAbstractionStarter]: At program point L626(line 626) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1 .cse2)))) [2018-12-08 19:20:03,213 INFO L448 ceAbstractionStarter]: For program point L626-1(lines 607 631) no Hoare annotation was computed. [2018-12-08 19:20:03,213 INFO L444 ceAbstractionStarter]: At program point L621(line 621) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1 .cse2) .cse3) (or (< |old(~pumpRunning~0)| 1) .cse1 .cse4) (or (or .cse0 .cse1 .cse2 .cse4) .cse3))) [2018-12-08 19:20:03,213 INFO L444 ceAbstractionStarter]: At program point L617(line 617) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~waterLevel~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse3) (or (< |old(~pumpRunning~0)| 1) .cse2 .cse6) (or (or .cse1 .cse2 .cse3 .cse6) (and .cse5 .cse4)))) [2018-12-08 19:20:03,214 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 623) no Hoare annotation was computed. [2018-12-08 19:20:03,214 INFO L444 ceAbstractionStarter]: At program point L613(line 613) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1 .cse2) .cse3) (or (< |old(~pumpRunning~0)| 1) .cse1 .cse4) (or (or .cse0 .cse1 .cse2 .cse4) .cse3))) [2018-12-08 19:20:03,214 INFO L448 ceAbstractionStarter]: For program point L613-1(line 613) no Hoare annotation was computed. [2018-12-08 19:20:03,214 INFO L448 ceAbstractionStarter]: For program point L611(lines 611 628) no Hoare annotation was computed. [2018-12-08 19:20:03,214 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 437 448) no Hoare annotation was computed. [2018-12-08 19:20:03,214 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 437 448) no Hoare annotation was computed. [2018-12-08 19:20:03,214 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 437 448) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~systemActive~0 0))) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse0 .cse6 .cse3 .cse4 .cse5) (or .cse7 .cse1 .cse0 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse1 .cse2 .cse3 .cse4))) [2018-12-08 19:20:03,214 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2018-12-08 19:20:03,214 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2018-12-08 19:20:03,214 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2018-12-08 19:20:03,214 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2018-12-08 19:20:03,215 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 649) no Hoare annotation was computed. [2018-12-08 19:20:03,215 INFO L444 ceAbstractionStarter]: At program point L639(line 639) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1 .cse2)))) [2018-12-08 19:20:03,215 INFO L448 ceAbstractionStarter]: For program point L639-1(line 639) no Hoare annotation was computed. [2018-12-08 19:20:03,215 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 633 657) no Hoare annotation was computed. [2018-12-08 19:20:03,215 INFO L448 ceAbstractionStarter]: For program point L637(lines 637 654) no Hoare annotation was computed. [2018-12-08 19:20:03,215 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 633 657) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1 .cse2) .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse4) .cse3) (or (or .cse0 .cse1 .cse2 .cse4) .cse3))) [2018-12-08 19:20:03,215 INFO L444 ceAbstractionStarter]: At program point L652(line 652) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1 .cse2) .cse3) (or (< |old(~pumpRunning~0)| 1) .cse1 .cse4) (or (or .cse0 .cse1 .cse2 .cse4) .cse3))) [2018-12-08 19:20:03,215 INFO L448 ceAbstractionStarter]: For program point L652-1(lines 633 657) no Hoare annotation was computed. [2018-12-08 19:20:03,215 INFO L444 ceAbstractionStarter]: At program point L647(line 647) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1 .cse2)))) [2018-12-08 19:20:03,216 INFO L444 ceAbstractionStarter]: At program point L643(line 643) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1 .cse2)))) [2018-12-08 19:20:03,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 07:20:03 BoogieIcfgContainer [2018-12-08 19:20:03,227 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 19:20:03,227 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 19:20:03,227 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 19:20:03,227 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 19:20:03,228 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:19:52" (3/4) ... [2018-12-08 19:20:03,230 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 19:20:03,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 19:20:03,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 19:20:03,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 19:20:03,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-08 19:20:03,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 19:20:03,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 19:20:03,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 19:20:03,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 19:20:03,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 19:20:03,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 19:20:03,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 19:20:03,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 19:20:03,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 19:20:03,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 19:20:03,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 19:20:03,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-08 19:20:03,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-08 19:20:03,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 19:20:03,237 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 19:20:03,237 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 19:20:03,237 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 19:20:03,237 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 19:20:03,237 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 19:20:03,237 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 19:20:03,237 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 19:20:03,237 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 19:20:03,237 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-08 19:20:03,238 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 19:20:03,238 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 19:20:03,238 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 19:20:03,238 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 19:20:03,243 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-08 19:20:03,244 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 19:20:03,244 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 19:20:03,244 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 19:20:03,244 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 19:20:03,244 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 19:20:03,261 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((1 <= pumpRunning && !(waterLevel == 1)) && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) || ((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime) [2018-12-08 19:20:03,261 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 19:20:03,294 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_55030352-6c4c-4f12-80ca-ff522c5e2e0b/bin-2019/utaipan/witness.graphml [2018-12-08 19:20:03,294 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 19:20:03,295 INFO L168 Benchmark]: Toolchain (without parser) took 11000.28 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 728.2 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -194.6 MB). Peak memory consumption was 533.6 MB. Max. memory is 11.5 GB. [2018-12-08 19:20:03,295 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:20:03,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -140.7 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2018-12-08 19:20:03,296 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:20:03,296 INFO L168 Benchmark]: Boogie Preprocessor took 20.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 19:20:03,296 INFO L168 Benchmark]: RCFGBuilder took 329.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2018-12-08 19:20:03,296 INFO L168 Benchmark]: TraceAbstraction took 10276.51 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 630.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -112.2 MB). Peak memory consumption was 715.4 MB. Max. memory is 11.5 GB. [2018-12-08 19:20:03,297 INFO L168 Benchmark]: Witness Printer took 67.20 ms. Allocated memory is still 1.8 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:20:03,298 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 283.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -140.7 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 329.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10276.51 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 630.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -112.2 MB). Peak memory consumption was 715.4 MB. Max. memory is 11.5 GB. * Witness Printer took 67.20 ms. Allocated memory is still 1.8 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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: 828]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: (((((((((((((1 <= pumpRunning && !(waterLevel == 1)) && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) || ((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 171 locations, 1 error locations. SAFE Result, 10.2s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.7s AutomataDifference, 0.0s DeadEndRemovalTime, 3.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2529 SDtfs, 1172 SDslu, 4802 SDs, 0 SdLazy, 1320 SolverSat, 149 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 778 GetRequests, 699 SyntacticMatches, 8 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2951occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.2s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 1113 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 4362 PreInvPairs, 4459 NumberOfFragments, 3644 HoareAnnotationTreeSize, 4362 FomulaSimplifications, 7413 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 72 FomulaSimplificationsInter, 11944 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1513 NumberOfCodeBlocks, 1513 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1834 ConstructedInterpolants, 0 QuantifiedInterpolants, 378083 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1879 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 358/378 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...