./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product63_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cda74f06-893b-49a9-bf43-828f45505962/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cda74f06-893b-49a9-bf43-828f45505962/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cda74f06-893b-49a9-bf43-828f45505962/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cda74f06-893b-49a9-bf43-828f45505962/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product63_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cda74f06-893b-49a9-bf43-828f45505962/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cda74f06-893b-49a9-bf43-828f45505962/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 06aae21f289bee6dc7cb083e66e9be5f9a234275 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:09:24,846 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:09:24,848 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:09:24,855 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:09:24,855 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:09:24,856 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:09:24,856 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:09:24,858 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:09:24,859 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:09:24,860 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:09:24,860 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:09:24,860 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:09:24,861 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:09:24,862 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:09:24,863 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:09:24,864 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:09:24,864 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:09:24,865 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:09:24,867 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:09:24,868 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:09:24,869 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:09:24,869 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:09:24,871 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:09:24,871 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:09:24,872 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:09:24,872 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:09:24,873 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:09:24,873 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:09:24,873 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:09:24,874 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:09:24,874 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:09:24,875 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:09:24,875 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:09:24,875 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:09:24,876 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:09:24,877 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:09:24,877 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cda74f06-893b-49a9-bf43-828f45505962/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 14:09:24,884 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:09:24,884 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:09:24,885 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:09:24,885 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 14:09:24,885 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 14:09:24,885 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 14:09:24,886 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 14:09:24,886 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 14:09:24,886 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 14:09:24,886 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 14:09:24,886 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 14:09:24,886 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 14:09:24,886 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 14:09:24,887 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:09:24,887 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:09:24,887 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:09:24,887 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:09:24,887 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:09:24,887 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:09:24,888 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:09:24,888 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:09:24,888 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:09:24,888 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:09:24,888 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:09:24,888 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:09:24,888 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:09:24,889 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:09:24,889 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:09:24,889 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:09:24,889 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:09:24,889 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:09:24,889 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:09:24,889 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:09:24,889 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 14:09:24,890 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:09:24,890 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:09:24,890 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 14:09:24,890 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_cda74f06-893b-49a9-bf43-828f45505962/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 -> 06aae21f289bee6dc7cb083e66e9be5f9a234275 [2018-11-18 14:09:24,917 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:09:24,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:09:24,929 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:09:24,930 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:09:24,930 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:09:24,930 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cda74f06-893b-49a9-bf43-828f45505962/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product63_true-unreach-call_false-termination.cil.c [2018-11-18 14:09:24,972 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cda74f06-893b-49a9-bf43-828f45505962/bin-2019/utaipan/data/fcf55764e/c2e66c81193249eb9040f2e937ba1004/FLAG14ae993ab [2018-11-18 14:09:25,427 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:09:25,428 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cda74f06-893b-49a9-bf43-828f45505962/sv-benchmarks/c/product-lines/minepump_spec1_product63_true-unreach-call_false-termination.cil.c [2018-11-18 14:09:25,437 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cda74f06-893b-49a9-bf43-828f45505962/bin-2019/utaipan/data/fcf55764e/c2e66c81193249eb9040f2e937ba1004/FLAG14ae993ab [2018-11-18 14:09:25,947 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cda74f06-893b-49a9-bf43-828f45505962/bin-2019/utaipan/data/fcf55764e/c2e66c81193249eb9040f2e937ba1004 [2018-11-18 14:09:25,949 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:09:25,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:09:25,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:09:25,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:09:25,953 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:09:25,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:09:25" (1/1) ... [2018-11-18 14:09:25,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40945a58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:09:25, skipping insertion in model container [2018-11-18 14:09:25,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:09:25" (1/1) ... [2018-11-18 14:09:25,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:09:25,993 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:09:26,192 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:09:26,199 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:09:26,320 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:09:26,344 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:09:26,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:09:26 WrapperNode [2018-11-18 14:09:26,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:09:26,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:09:26,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:09:26,345 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:09:26,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:09:26" (1/1) ... [2018-11-18 14:09:26,365 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:09:26" (1/1) ... [2018-11-18 14:09:26,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:09:26,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:09:26,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:09:26,372 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:09:26,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:09:26" (1/1) ... [2018-11-18 14:09:26,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:09:26" (1/1) ... [2018-11-18 14:09:26,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:09:26" (1/1) ... [2018-11-18 14:09:26,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:09:26" (1/1) ... [2018-11-18 14:09:26,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:09:26" (1/1) ... [2018-11-18 14:09:26,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:09:26" (1/1) ... [2018-11-18 14:09:26,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:09:26" (1/1) ... [2018-11-18 14:09:26,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:09:26,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:09:26,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:09:26,400 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:09:26,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:09:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cda74f06-893b-49a9-bf43-828f45505962/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:09:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 14:09:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 14:09:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:09:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:09:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 14:09:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 14:09:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 14:09:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 14:09:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:09:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 14:09:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 14:09:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 14:09:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 14:09:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 14:09:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 14:09:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 14:09:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 14:09:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 14:09:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 14:09:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 14:09:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 14:09:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 14:09:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 14:09:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 14:09:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 14:09:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 14:09:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 14:09:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 14:09:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 14:09:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 14:09:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 14:09:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 14:09:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 14:09:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 14:09:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 14:09:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 14:09:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 14:09:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 14:09:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 14:09:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 14:09:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 14:09:26,441 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 14:09:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 14:09:26,441 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 14:09:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 14:09:26,441 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 14:09:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 14:09:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 14:09:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 14:09:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 14:09:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 14:09:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 14:09:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 14:09:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:09:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:09:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 14:09:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 14:09:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 14:09:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 14:09:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:09:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:09:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-18 14:09:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-18 14:09:26,890 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:09:26,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:09:26 BoogieIcfgContainer [2018-11-18 14:09:26,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:09:26,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:09:26,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:09:26,893 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:09:26,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:09:25" (1/3) ... [2018-11-18 14:09:26,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@478be9b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:09:26, skipping insertion in model container [2018-11-18 14:09:26,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:09:26" (2/3) ... [2018-11-18 14:09:26,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@478be9b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:09:26, skipping insertion in model container [2018-11-18 14:09:26,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:09:26" (3/3) ... [2018-11-18 14:09:26,895 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product63_true-unreach-call_false-termination.cil.c [2018-11-18 14:09:26,901 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:09:26,906 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:09:26,915 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:09:26,937 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:09:26,937 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:09:26,937 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:09:26,937 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:09:26,937 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:09:26,938 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:09:26,938 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:09:26,938 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:09:26,953 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2018-11-18 14:09:26,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 14:09:26,960 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:09:26,960 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:09:26,962 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:09:26,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:09:26,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1464951158, now seen corresponding path program 1 times [2018-11-18 14:09:26,969 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:09:26,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:09:26,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:09:26,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:09:26,998 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:09:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:09:27,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:09:27,164 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:09:27,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 14:09:27,164 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:09:27,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 14:09:27,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 14:09:27,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 14:09:27,177 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2018-11-18 14:09:27,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:09:27,208 INFO L93 Difference]: Finished difference Result 316 states and 395 transitions. [2018-11-18 14:09:27,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 14:09:27,209 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 14:09:27,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:09:27,219 INFO L225 Difference]: With dead ends: 316 [2018-11-18 14:09:27,219 INFO L226 Difference]: Without dead ends: 158 [2018-11-18 14:09:27,222 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 14:09:27,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-11-18 14:09:27,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2018-11-18 14:09:27,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-11-18 14:09:27,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 189 transitions. [2018-11-18 14:09:27,261 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 189 transitions. Word has length 46 [2018-11-18 14:09:27,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:09:27,262 INFO L480 AbstractCegarLoop]: Abstraction has 158 states and 189 transitions. [2018-11-18 14:09:27,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 14:09:27,262 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 189 transitions. [2018-11-18 14:09:27,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 14:09:27,264 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:09:27,264 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:09:27,265 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:09:27,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:09:27,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1550319997, now seen corresponding path program 1 times [2018-11-18 14:09:27,265 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:09:27,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:09:27,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:09:27,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:09:27,266 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:09:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:09:27,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:09:27,349 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:09:27,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:09:27,350 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:09:27,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:09:27,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:09:27,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:09:27,352 INFO L87 Difference]: Start difference. First operand 158 states and 189 transitions. Second operand 3 states. [2018-11-18 14:09:27,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:09:27,373 INFO L93 Difference]: Finished difference Result 257 states and 307 transitions. [2018-11-18 14:09:27,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:09:27,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 14:09:27,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:09:27,375 INFO L225 Difference]: With dead ends: 257 [2018-11-18 14:09:27,375 INFO L226 Difference]: Without dead ends: 148 [2018-11-18 14:09:27,376 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:09:27,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-18 14:09:27,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-11-18 14:09:27,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-11-18 14:09:27,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 176 transitions. [2018-11-18 14:09:27,387 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 176 transitions. Word has length 48 [2018-11-18 14:09:27,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:09:27,388 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 176 transitions. [2018-11-18 14:09:27,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:09:27,388 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 176 transitions. [2018-11-18 14:09:27,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 14:09:27,389 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:09:27,389 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:09:27,389 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:09:27,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:09:27,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1927667060, now seen corresponding path program 1 times [2018-11-18 14:09:27,390 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:09:27,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:09:27,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:09:27,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:09:27,391 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:09:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:09:27,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:09:27,507 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:09:27,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 14:09:27,508 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:09:27,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:09:27,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:09:27,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:09:27,511 INFO L87 Difference]: Start difference. First operand 148 states and 176 transitions. Second operand 7 states. [2018-11-18 14:09:27,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:09:27,891 INFO L93 Difference]: Finished difference Result 447 states and 547 transitions. [2018-11-18 14:09:27,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 14:09:27,892 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-18 14:09:27,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:09:27,895 INFO L225 Difference]: With dead ends: 447 [2018-11-18 14:09:27,895 INFO L226 Difference]: Without dead ends: 323 [2018-11-18 14:09:27,896 INFO L604 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 [2018-11-18 14:09:27,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2018-11-18 14:09:27,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 315. [2018-11-18 14:09:27,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2018-11-18 14:09:27,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 385 transitions. [2018-11-18 14:09:27,930 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 385 transitions. Word has length 52 [2018-11-18 14:09:27,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:09:27,930 INFO L480 AbstractCegarLoop]: Abstraction has 315 states and 385 transitions. [2018-11-18 14:09:27,930 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:09:27,930 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 385 transitions. [2018-11-18 14:09:27,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 14:09:27,933 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:09:27,934 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:09:27,934 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:09:27,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:09:27,934 INFO L82 PathProgramCache]: Analyzing trace with hash -883418948, now seen corresponding path program 1 times [2018-11-18 14:09:27,934 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:09:27,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:09:27,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:09:27,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:09:27,936 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:09:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:09:28,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:09:28,029 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:09:28,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:09:28,029 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:09:28,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:09:28,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:09:28,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:09:28,030 INFO L87 Difference]: Start difference. First operand 315 states and 385 transitions. Second operand 6 states. [2018-11-18 14:09:28,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:09:28,236 INFO L93 Difference]: Finished difference Result 882 states and 1103 transitions. [2018-11-18 14:09:28,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 14:09:28,236 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-11-18 14:09:28,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:09:28,239 INFO L225 Difference]: With dead ends: 882 [2018-11-18 14:09:28,240 INFO L226 Difference]: Without dead ends: 591 [2018-11-18 14:09:28,241 INFO L604 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 [2018-11-18 14:09:28,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2018-11-18 14:09:28,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 585. [2018-11-18 14:09:28,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2018-11-18 14:09:28,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 720 transitions. [2018-11-18 14:09:28,286 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 720 transitions. Word has length 58 [2018-11-18 14:09:28,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:09:28,286 INFO L480 AbstractCegarLoop]: Abstraction has 585 states and 720 transitions. [2018-11-18 14:09:28,286 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:09:28,287 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 720 transitions. [2018-11-18 14:09:28,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 14:09:28,289 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:09:28,289 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:09:28,289 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:09:28,289 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:09:28,289 INFO L82 PathProgramCache]: Analyzing trace with hash -44612192, now seen corresponding path program 1 times [2018-11-18 14:09:28,290 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:09:28,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:09:28,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:09:28,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:09:28,291 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:09:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:09:28,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:09:28,369 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:09:28,369 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 14:09:28,369 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:09:28,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:09:28,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:09:28,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:09:28,370 INFO L87 Difference]: Start difference. First operand 585 states and 720 transitions. Second operand 7 states. [2018-11-18 14:09:28,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:09:28,818 INFO L93 Difference]: Finished difference Result 1534 states and 2001 transitions. [2018-11-18 14:09:28,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 14:09:28,819 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2018-11-18 14:09:28,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:09:28,824 INFO L225 Difference]: With dead ends: 1534 [2018-11-18 14:09:28,824 INFO L226 Difference]: Without dead ends: 973 [2018-11-18 14:09:28,826 INFO L604 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 [2018-11-18 14:09:28,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2018-11-18 14:09:28,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 871. [2018-11-18 14:09:28,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 871 states. [2018-11-18 14:09:28,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1057 transitions. [2018-11-18 14:09:28,872 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1057 transitions. Word has length 62 [2018-11-18 14:09:28,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:09:28,873 INFO L480 AbstractCegarLoop]: Abstraction has 871 states and 1057 transitions. [2018-11-18 14:09:28,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:09:28,873 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1057 transitions. [2018-11-18 14:09:28,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 14:09:28,875 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:09:28,875 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:09:28,875 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:09:28,875 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:09:28,875 INFO L82 PathProgramCache]: Analyzing trace with hash 995636676, now seen corresponding path program 1 times [2018-11-18 14:09:28,875 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:09:28,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:09:28,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:09:28,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:09:28,876 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:09:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:09:28,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:09:28,937 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:09:28,937 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:09:28,937 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:09:28,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:09:28,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:09:28,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:09:28,938 INFO L87 Difference]: Start difference. First operand 871 states and 1057 transitions. Second operand 6 states. [2018-11-18 14:09:28,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:09:28,990 INFO L93 Difference]: Finished difference Result 1746 states and 2194 transitions. [2018-11-18 14:09:28,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:09:28,991 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-11-18 14:09:28,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:09:28,995 INFO L225 Difference]: With dead ends: 1746 [2018-11-18 14:09:28,996 INFO L226 Difference]: Without dead ends: 899 [2018-11-18 14:09:28,998 INFO L604 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 [2018-11-18 14:09:28,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2018-11-18 14:09:29,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 891. [2018-11-18 14:09:29,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 891 states. [2018-11-18 14:09:29,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 1077 transitions. [2018-11-18 14:09:29,040 INFO L78 Accepts]: Start accepts. Automaton has 891 states and 1077 transitions. Word has length 104 [2018-11-18 14:09:29,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:09:29,040 INFO L480 AbstractCegarLoop]: Abstraction has 891 states and 1077 transitions. [2018-11-18 14:09:29,040 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:09:29,040 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1077 transitions. [2018-11-18 14:09:29,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 14:09:29,042 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:09:29,042 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:09:29,042 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:09:29,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:09:29,043 INFO L82 PathProgramCache]: Analyzing trace with hash 642548294, now seen corresponding path program 1 times [2018-11-18 14:09:29,043 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:09:29,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:09:29,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:09:29,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:09:29,044 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:09:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:09:29,117 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:09:29,117 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:09:29,117 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 14:09:29,117 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:09:29,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 14:09:29,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 14:09:29,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 14:09:29,118 INFO L87 Difference]: Start difference. First operand 891 states and 1077 transitions. Second operand 8 states. [2018-11-18 14:09:29,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:09:29,193 INFO L93 Difference]: Finished difference Result 1786 states and 2234 transitions. [2018-11-18 14:09:29,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 14:09:29,193 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-11-18 14:09:29,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:09:29,197 INFO L225 Difference]: With dead ends: 1786 [2018-11-18 14:09:29,197 INFO L226 Difference]: Without dead ends: 919 [2018-11-18 14:09:29,200 INFO L604 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 [2018-11-18 14:09:29,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2018-11-18 14:09:29,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 907. [2018-11-18 14:09:29,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 907 states. [2018-11-18 14:09:29,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1093 transitions. [2018-11-18 14:09:29,258 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1093 transitions. Word has length 104 [2018-11-18 14:09:29,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:09:29,258 INFO L480 AbstractCegarLoop]: Abstraction has 907 states and 1093 transitions. [2018-11-18 14:09:29,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 14:09:29,258 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1093 transitions. [2018-11-18 14:09:29,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 14:09:29,260 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:09:29,260 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:09:29,260 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:09:29,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:09:29,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1775738887, now seen corresponding path program 1 times [2018-11-18 14:09:29,261 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:09:29,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:09:29,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:09:29,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:09:29,261 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:09:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:09:29,332 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:09:29,332 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:09:29,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 14:09:29,332 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:09:29,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 14:09:29,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 14:09:29,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:09:29,335 INFO L87 Difference]: Start difference. First operand 907 states and 1093 transitions. Second operand 4 states. [2018-11-18 14:09:29,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:09:29,599 INFO L93 Difference]: Finished difference Result 2871 states and 3626 transitions. [2018-11-18 14:09:29,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 14:09:29,600 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-11-18 14:09:29,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:09:29,608 INFO L225 Difference]: With dead ends: 2871 [2018-11-18 14:09:29,608 INFO L226 Difference]: Without dead ends: 1988 [2018-11-18 14:09:29,611 INFO L604 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 [2018-11-18 14:09:29,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1988 states. [2018-11-18 14:09:29,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1988 to 1957. [2018-11-18 14:09:29,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1957 states. [2018-11-18 14:09:29,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 1957 states and 2421 transitions. [2018-11-18 14:09:29,711 INFO L78 Accepts]: Start accepts. Automaton has 1957 states and 2421 transitions. Word has length 104 [2018-11-18 14:09:29,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:09:29,711 INFO L480 AbstractCegarLoop]: Abstraction has 1957 states and 2421 transitions. [2018-11-18 14:09:29,711 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 14:09:29,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 2421 transitions. [2018-11-18 14:09:29,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 14:09:29,714 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:09:29,714 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:09:29,715 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:09:29,715 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:09:29,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1416500819, now seen corresponding path program 1 times [2018-11-18 14:09:29,715 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:09:29,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:09:29,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:09:29,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:09:29,716 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:09:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:09:29,831 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 14:09:29,831 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:09:29,832 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:09:29,832 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 109 with the following transitions: [2018-11-18 14:09:29,834 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [46], [47], [59], [62], [64], [65], [68], [72], [73], [74], [89], [92], [94], [98], [104], [108], [112], [115], [120], [123], [128], [131], [147], [148], [151], [152], [153], [155], [160], [163], [164], [166], [171], [173], [174], [179], [181], [209], [210], [216], [220], [234], [238], [241], [243], [246], [256], [259], [263], [264], [267], [269], [272], [274], [277], [286], [287], [288], [289], [290], [291], [292], [293], [294], [302], [303], [308], [310], [311], [318], [319], [320], [321], [322], [323], [326], [330], [331], [332], [333], [334], [335], [342], [343], [344], [346], [347], [348], [350], [351], [352], [353], [358], [359], [360], [361], [362] [2018-11-18 14:09:29,865 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:09:29,865 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:09:30,367 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:09:30,368 INFO L272 AbstractInterpreter]: Visited 106 different actions 108 times. Never merged. Never widened. Performed 3282 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3282 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-11-18 14:09:30,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:09:30,375 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:09:30,375 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:09:30,375 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cda74f06-893b-49a9-bf43-828f45505962/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 [2018-11-18 14:09:30,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:09:30,391 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:09:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:09:30,523 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:09:30,733 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:09:30,733 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:09:31,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 14:09:31,595 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:09:31,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-18 14:09:31,596 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:09:31,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 14:09:31,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 14:09:31,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 14:09:31,596 INFO L87 Difference]: Start difference. First operand 1957 states and 2421 transitions. Second operand 8 states. [2018-11-18 14:09:31,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:09:31,873 INFO L93 Difference]: Finished difference Result 3860 states and 4796 transitions. [2018-11-18 14:09:31,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 14:09:31,873 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2018-11-18 14:09:31,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:09:31,878 INFO L225 Difference]: With dead ends: 3860 [2018-11-18 14:09:31,878 INFO L226 Difference]: Without dead ends: 1927 [2018-11-18 14:09:31,881 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 198 SyntacticMatches, 8 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 14:09:31,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1927 states. [2018-11-18 14:09:31,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1927 to 1927. [2018-11-18 14:09:31,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1927 states. [2018-11-18 14:09:31,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1927 states to 1927 states and 2335 transitions. [2018-11-18 14:09:31,941 INFO L78 Accepts]: Start accepts. Automaton has 1927 states and 2335 transitions. Word has length 108 [2018-11-18 14:09:31,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:09:31,941 INFO L480 AbstractCegarLoop]: Abstraction has 1927 states and 2335 transitions. [2018-11-18 14:09:31,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 14:09:31,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1927 states and 2335 transitions. [2018-11-18 14:09:31,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 14:09:31,946 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:09:31,946 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 14:09:31,946 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:09:31,946 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:09:31,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1566798651, now seen corresponding path program 1 times [2018-11-18 14:09:31,947 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:09:31,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:09:31,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:09:31,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:09:31,948 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:09:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:09:32,023 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 14:09:32,023 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:09:32,023 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:09:32,023 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 183 with the following transitions: [2018-11-18 14:09:32,023 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [46], [47], [48], [50], [53], [57], [58], [59], [62], [64], [65], [68], [72], [73], [74], [77], [79], [85], [89], [92], [93], [94], [98], [104], [108], [112], [115], [120], [123], [126], [128], [131], [147], [148], [149], [150], [151], [152], [153], [155], [160], [163], [164], [166], [171], [173], [174], [179], [181], [209], [210], [213], [216], [220], [226], [229], [233], [234], [238], [241], [243], [246], [253], [256], [259], [263], [264], [267], [269], [272], [274], [277], [283], [285], [286], [287], [288], [289], [290], [291], [292], [293], [294], [296], [297], [300], [301], [302], [303], [306], [307], [308], [310], [311], [312], [313], [316], [317], [318], [319], [320], [321], [322], [323], [326], [327], [330], [331], [332], [333], [334], [335], [340], [341], [342], [343], [344], [345], [346], [347], [348], [350], [351], [352], [353], [356], [357], [358], [359], [360], [361], [362] [2018-11-18 14:09:32,027 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:09:32,027 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:09:33,699 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:09:33,699 INFO L272 AbstractInterpreter]: Visited 144 different actions 813 times. Merged at 20 different actions 60 times. Never widened. Performed 41054 root evaluator evaluations with a maximum evaluation depth of 5. Performed 41054 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 10 fixpoints after 4 different actions. Largest state had 132 variables. [2018-11-18 14:09:33,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:09:33,707 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:09:33,707 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:09:33,707 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cda74f06-893b-49a9-bf43-828f45505962/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 [2018-11-18 14:09:33,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:09:33,713 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:09:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:09:33,812 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:09:33,889 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 14:09:33,889 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:09:34,109 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 14:09:34,125 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:09:34,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2018-11-18 14:09:34,126 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:09:34,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 14:09:34,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 14:09:34,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:09:34,126 INFO L87 Difference]: Start difference. First operand 1927 states and 2335 transitions. Second operand 5 states. [2018-11-18 14:09:34,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:09:34,571 INFO L93 Difference]: Finished difference Result 4187 states and 5346 transitions. [2018-11-18 14:09:34,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 14:09:34,571 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 182 [2018-11-18 14:09:34,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:09:34,578 INFO L225 Difference]: With dead ends: 4187 [2018-11-18 14:09:34,578 INFO L226 Difference]: Without dead ends: 2626 [2018-11-18 14:09:34,581 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 364 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:09:34,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2626 states. [2018-11-18 14:09:34,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2626 to 2403. [2018-11-18 14:09:34,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2403 states. [2018-11-18 14:09:34,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2403 states to 2403 states and 2967 transitions. [2018-11-18 14:09:34,711 INFO L78 Accepts]: Start accepts. Automaton has 2403 states and 2967 transitions. Word has length 182 [2018-11-18 14:09:34,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:09:34,712 INFO L480 AbstractCegarLoop]: Abstraction has 2403 states and 2967 transitions. [2018-11-18 14:09:34,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 14:09:34,712 INFO L276 IsEmpty]: Start isEmpty. Operand 2403 states and 2967 transitions. [2018-11-18 14:09:34,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 14:09:34,717 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:09:34,718 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:09:34,718 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:09:34,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:09:34,718 INFO L82 PathProgramCache]: Analyzing trace with hash -230129377, now seen corresponding path program 1 times [2018-11-18 14:09:34,718 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:09:34,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:09:34,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:09:34,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:09:34,719 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:09:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:09:34,853 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 14:09:34,853 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:09:34,853 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:09:34,853 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 179 with the following transitions: [2018-11-18 14:09:34,854 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [46], [47], [48], [50], [53], [57], [58], [59], [62], [64], [65], [68], [72], [73], [74], [77], [79], [85], [89], [92], [93], [94], [98], [104], [108], [112], [115], [118], [120], [123], [126], [128], [131], [147], [148], [149], [150], [151], [152], [153], [155], [160], [163], [164], [166], [171], [173], [174], [179], [181], [209], [210], [213], [216], [220], [226], [229], [233], [234], [238], [241], [243], [246], [253], [256], [259], [263], [264], [267], [269], [272], [274], [277], [283], [285], [286], [287], [288], [289], [290], [291], [292], [293], [294], [296], [297], [300], [301], [302], [303], [306], [307], [308], [310], [311], [312], [313], [316], [317], [318], [319], [320], [321], [322], [323], [326], [327], [330], [331], [332], [333], [334], [335], [340], [341], [342], [343], [344], [345], [346], [347], [348], [350], [351], [352], [353], [356], [357], [358], [359], [360], [361], [362] [2018-11-18 14:09:34,856 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:09:34,857 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:09:36,857 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:09:36,858 INFO L272 AbstractInterpreter]: Visited 145 different actions 1063 times. Merged at 18 different actions 70 times. Never widened. Performed 43075 root evaluator evaluations with a maximum evaluation depth of 5. Performed 43075 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 18 fixpoints after 6 different actions. Largest state had 132 variables. [2018-11-18 14:09:36,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:09:36,871 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:09:36,871 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:09:36,871 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cda74f06-893b-49a9-bf43-828f45505962/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:09:36,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:09:36,878 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:09:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:09:36,971 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:09:37,075 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 14:09:37,075 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:09:37,332 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 14:09:37,348 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:09:37,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-18 14:09:37,348 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:09:37,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 14:09:37,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 14:09:37,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 14:09:37,348 INFO L87 Difference]: Start difference. First operand 2403 states and 2967 transitions. Second operand 8 states. [2018-11-18 14:09:37,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:09:37,599 INFO L93 Difference]: Finished difference Result 4173 states and 5255 transitions. [2018-11-18 14:09:37,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 14:09:37,600 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 178 [2018-11-18 14:09:37,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:09:37,601 INFO L225 Difference]: With dead ends: 4173 [2018-11-18 14:09:37,601 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 14:09:37,609 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 341 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 14:09:37,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 14:09:37,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 14:09:37,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 14:09:37,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:09:37,610 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2018-11-18 14:09:37,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:09:37,610 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:09:37,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 14:09:37,610 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:09:37,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:09:37,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 14:09:37,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:37,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:38,995 WARN L180 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 34 [2018-11-18 14:09:39,345 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 22 [2018-11-18 14:09:39,621 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 35 [2018-11-18 14:09:40,393 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 37 [2018-11-18 14:09:40,972 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 28 [2018-11-18 14:09:41,298 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 999 1005) the Hoare annotation is: true [2018-11-18 14:09:41,298 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 999 1005) no Hoare annotation was computed. [2018-11-18 14:09:41,298 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 1006 1014) no Hoare annotation was computed. [2018-11-18 14:09:41,298 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 1006 1014) the Hoare annotation is: true [2018-11-18 14:09:41,298 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 1006 1014) no Hoare annotation was computed. [2018-11-18 14:09:41,299 INFO L421 ceAbstractionStarter]: At program point L833(line 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:09:41,299 INFO L421 ceAbstractionStarter]: At program point L833-1(line 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:09:41,299 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 827 849) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:09:41,299 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 827 849) no Hoare annotation was computed. [2018-11-18 14:09:41,299 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 827 849) no Hoare annotation was computed. [2018-11-18 14:09:41,299 INFO L421 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:09:41,299 INFO L421 ceAbstractionStarter]: At program point L839-1(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:09:41,299 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 844) no Hoare annotation was computed. [2018-11-18 14:09:41,299 INFO L425 ceAbstractionStarter]: For program point L837-1(lines 837 844) no Hoare annotation was computed. [2018-11-18 14:09:41,299 INFO L425 ceAbstractionStarter]: For program point L835(line 835) no Hoare annotation was computed. [2018-11-18 14:09:41,300 INFO L421 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:09:41,300 INFO L421 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-11-18 14:09:41,300 INFO L421 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-11-18 14:09:41,300 INFO L425 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2018-11-18 14:09:41,300 INFO L421 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-11-18 14:09:41,300 INFO L425 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2018-11-18 14:09:41,300 INFO L425 ceAbstractionStarter]: For program point L117(lines 117 134) no Hoare annotation was computed. [2018-11-18 14:09:41,300 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 113 137) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 14:09:41,300 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 113 137) no Hoare annotation was computed. [2018-11-18 14:09:41,300 INFO L421 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (= 0 ~pumpRunning~0) .cse1)) (or (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-18 14:09:41,300 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2018-11-18 14:09:41,300 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 291 305) no Hoare annotation was computed. [2018-11-18 14:09:41,300 INFO L421 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse2 (= ~systemActive~0 1)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= |old(~systemActive~0)| 0)) (.cse5 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3) (or .cse0 .cse4 .cse5) (or .cse1 .cse2 .cse6) (or .cse3 .cse6) (or .cse4 .cse5 .cse6))) [2018-11-18 14:09:41,300 INFO L425 ceAbstractionStarter]: For program point L295(lines 295 301) no Hoare annotation was computed. [2018-11-18 14:09:41,301 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 291 305) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~systemActive~0)| 1))) (.cse5 (= ~systemActive~0 1)) (.cse6 (= |old(~systemActive~0)| 0)) (.cse7 (and (not (= ~systemActive~0 0)) .cse0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse3 .cse4 .cse5) (or .cse3 .cse6 .cse7) (or .cse3 .cse0 .cse1) (or .cse4 .cse5 .cse2) (or .cse6 .cse7 .cse2)))) [2018-11-18 14:09:41,301 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 291 305) no Hoare annotation was computed. [2018-11-18 14:09:41,301 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 208 216) no Hoare annotation was computed. [2018-11-18 14:09:41,301 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 208 216) the Hoare annotation is: true [2018-11-18 14:09:41,301 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 208 216) no Hoare annotation was computed. [2018-11-18 14:09:41,301 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 272 290) the Hoare annotation is: true [2018-11-18 14:09:41,301 INFO L425 ceAbstractionStarter]: For program point L281(lines 281 285) no Hoare annotation was computed. [2018-11-18 14:09:41,301 INFO L428 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: true [2018-11-18 14:09:41,301 INFO L425 ceAbstractionStarter]: For program point L281-2(lines 281 285) no Hoare annotation was computed. [2018-11-18 14:09:41,301 INFO L425 ceAbstractionStarter]: For program point L279-1(line 279) no Hoare annotation was computed. [2018-11-18 14:09:41,301 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 272 290) no Hoare annotation was computed. [2018-11-18 14:09:41,301 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 272 290) no Hoare annotation was computed. [2018-11-18 14:09:41,301 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 992 998) no Hoare annotation was computed. [2018-11-18 14:09:41,301 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 992 998) the Hoare annotation is: true [2018-11-18 14:09:41,301 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 814 823) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:09:41,301 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 814 823) no Hoare annotation was computed. [2018-11-18 14:09:41,301 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 814 823) no Hoare annotation was computed. [2018-11-18 14:09:41,301 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 197 207) the Hoare annotation is: true [2018-11-18 14:09:41,301 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 197 207) no Hoare annotation was computed. [2018-11-18 14:09:41,301 INFO L428 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: true [2018-11-18 14:09:41,301 INFO L425 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2018-11-18 14:09:41,301 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 197 207) no Hoare annotation was computed. [2018-11-18 14:09:41,301 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 189 196) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 14:09:41,302 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 189 196) no Hoare annotation was computed. [2018-11-18 14:09:41,302 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 189 196) no Hoare annotation was computed. [2018-11-18 14:09:41,302 INFO L425 ceAbstractionStarter]: For program point L961(lines 961 967) no Hoare annotation was computed. [2018-11-18 14:09:41,302 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 957 970) no Hoare annotation was computed. [2018-11-18 14:09:41,302 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 957 970) the Hoare annotation is: true [2018-11-18 14:09:41,302 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 957 970) no Hoare annotation was computed. [2018-11-18 14:09:41,302 INFO L421 ceAbstractionStarter]: At program point L158(line 158) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1))) [2018-11-18 14:09:41,302 INFO L425 ceAbstractionStarter]: For program point L158-1(lines 139 163) no Hoare annotation was computed. [2018-11-18 14:09:41,302 INFO L421 ceAbstractionStarter]: At program point L153(line 153) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (< ~methaneLevelCritical~0 1) .cse0) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1))) [2018-11-18 14:09:41,302 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 139 163) no Hoare annotation was computed. [2018-11-18 14:09:41,302 INFO L421 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse1 (= ~systemActive~0 0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse1 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2) .cse4)) (or .cse1 .cse4 .cse2))) [2018-11-18 14:09:41,302 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 139 163) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 14:09:41,302 INFO L425 ceAbstractionStarter]: For program point L147(lines 147 155) no Hoare annotation was computed. [2018-11-18 14:09:41,302 INFO L421 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse1 (= ~systemActive~0 0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse1 .cse4) (or .cse1 .cse4 .cse2))) [2018-11-18 14:09:41,302 INFO L425 ceAbstractionStarter]: For program point L145-1(line 145) no Hoare annotation was computed. [2018-11-18 14:09:41,302 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 160) no Hoare annotation was computed. [2018-11-18 14:09:41,302 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2018-11-18 14:09:41,303 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2018-11-18 14:09:41,303 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 310 375) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:09:41,303 INFO L425 ceAbstractionStarter]: For program point L320-1(lines 320 367) no Hoare annotation was computed. [2018-11-18 14:09:41,303 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 310 375) no Hoare annotation was computed. [2018-11-18 14:09:41,303 INFO L421 ceAbstractionStarter]: At program point L368(lines 319 369) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:09:41,303 INFO L421 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse4 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse0 .cse2))) [2018-11-18 14:09:41,303 INFO L425 ceAbstractionStarter]: For program point L356(lines 356 362) no Hoare annotation was computed. [2018-11-18 14:09:41,303 INFO L421 ceAbstractionStarter]: At program point L356-1(lines 350 363) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse4 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse0 .cse2))) [2018-11-18 14:09:41,303 INFO L425 ceAbstractionStarter]: For program point L321(lines 320 367) no Hoare annotation was computed. [2018-11-18 14:09:41,303 INFO L425 ceAbstractionStarter]: For program point L350(lines 350 363) no Hoare annotation was computed. [2018-11-18 14:09:41,304 INFO L421 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (not (= ~systemActive~0 0)) .cse2))) [2018-11-18 14:09:41,304 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 346) no Hoare annotation was computed. [2018-11-18 14:09:41,304 INFO L425 ceAbstractionStarter]: For program point L340-1(lines 340 346) no Hoare annotation was computed. [2018-11-18 14:09:41,304 INFO L421 ceAbstractionStarter]: At program point L365(lines 320 367) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (not (= ~systemActive~0 0)) .cse2))) [2018-11-18 14:09:41,304 INFO L421 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse2 (<= 1 ~methaneLevelCritical~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-11-18 14:09:41,304 INFO L425 ceAbstractionStarter]: For program point L330(lines 330 336) no Hoare annotation was computed. [2018-11-18 14:09:41,304 INFO L425 ceAbstractionStarter]: For program point L330-1(lines 330 336) no Hoare annotation was computed. [2018-11-18 14:09:41,304 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 310 375) no Hoare annotation was computed. [2018-11-18 14:09:41,304 INFO L425 ceAbstractionStarter]: For program point L322(lines 322 326) no Hoare annotation was computed. [2018-11-18 14:09:41,304 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 164 171) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 14:09:41,304 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 164 171) no Hoare annotation was computed. [2018-11-18 14:09:41,304 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 164 171) no Hoare annotation was computed. [2018-11-18 14:09:41,304 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 971 979) no Hoare annotation was computed. [2018-11-18 14:09:41,305 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 971 979) the Hoare annotation is: true [2018-11-18 14:09:41,305 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 971 979) no Hoare annotation was computed. [2018-11-18 14:09:41,305 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:09:41,305 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 14:09:41,305 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:09:41,305 INFO L421 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 14:09:41,305 INFO L425 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2018-11-18 14:09:41,305 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 172 188) no Hoare annotation was computed. [2018-11-18 14:09:41,305 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 172 188) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 14:09:41,305 INFO L421 ceAbstractionStarter]: At program point L183(line 183) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 2))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 14:09:41,305 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 172 188) no Hoare annotation was computed. [2018-11-18 14:09:41,305 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 185) no Hoare annotation was computed. [2018-11-18 14:09:41,305 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 253 271) no Hoare annotation was computed. [2018-11-18 14:09:41,305 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2018-11-18 14:09:41,305 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 253 271) the Hoare annotation is: true [2018-11-18 14:09:41,305 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 253 271) no Hoare annotation was computed. [2018-11-18 14:09:41,305 INFO L428 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: true [2018-11-18 14:09:41,305 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 266) no Hoare annotation was computed. [2018-11-18 14:09:41,305 INFO L425 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2018-11-18 14:09:41,305 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 904 915) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (< |old(~methaneLevelCritical~0)| 1) .cse0 (<= 1 ~methaneLevelCritical~0)) (or .cse0 .cse1 .cse2) (or (= ~systemActive~0 0) .cse1 .cse2))) [2018-11-18 14:09:41,305 INFO L425 ceAbstractionStarter]: For program point L908-1(lines 904 915) no Hoare annotation was computed. [2018-11-18 14:09:41,305 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 904 915) no Hoare annotation was computed. [2018-11-18 14:09:41,306 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 753 782) no Hoare annotation was computed. [2018-11-18 14:09:41,306 INFO L425 ceAbstractionStarter]: For program point L764(line 764) no Hoare annotation was computed. [2018-11-18 14:09:41,306 INFO L425 ceAbstractionStarter]: For program point L767(lines 767 771) no Hoare annotation was computed. [2018-11-18 14:09:41,306 INFO L428 ceAbstractionStarter]: At program point L767-1(lines 767 771) the Hoare annotation is: true [2018-11-18 14:09:41,306 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 753 782) the Hoare annotation is: true [2018-11-18 14:09:41,306 INFO L425 ceAbstractionStarter]: For program point L763-1(lines 763 777) no Hoare annotation was computed. [2018-11-18 14:09:41,306 INFO L428 ceAbstractionStarter]: At program point L763-3(lines 763 777) the Hoare annotation is: true [2018-11-18 14:09:41,306 INFO L428 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: true [2018-11-18 14:09:41,306 INFO L425 ceAbstractionStarter]: For program point L759-1(line 759) no Hoare annotation was computed. [2018-11-18 14:09:41,306 INFO L428 ceAbstractionStarter]: At program point L778(lines 753 782) the Hoare annotation is: true [2018-11-18 14:09:41,306 INFO L425 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2018-11-18 14:09:41,306 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 916 924) the Hoare annotation is: true [2018-11-18 14:09:41,306 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 916 924) no Hoare annotation was computed. [2018-11-18 14:09:41,306 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 916 924) no Hoare annotation was computed. [2018-11-18 14:09:41,306 INFO L421 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (= ~systemActive~0 0)) (.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1) (or .cse1 .cse2) (or (and .cse3 .cse4) .cse5 .cse2) (or .cse0 .cse5 (and .cse4 .cse3)))) [2018-11-18 14:09:41,306 INFO L425 ceAbstractionStarter]: For program point L59(lines 58 77) no Hoare annotation was computed. [2018-11-18 14:09:41,306 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (let ((.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse1 (= 1 ~waterLevel~0)) (.cse2 (not .cse5)) (.cse6 (not (= ~waterLevel~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse7 (= ~systemActive~0 0)) (.cse10 (and .cse9 .cse8))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7) (or .cse5 .cse0 .cse6 .cse3) (or .cse5 .cse7 .cse6 .cse3) (or .cse4 .cse0 (and .cse1 .cse8) .cse2) (or .cse4 .cse5 .cse0 (and .cse6 .cse9 .cse8)) (or .cse0 .cse10 .cse3) (or .cse7 .cse10 .cse3) (or .cse4 .cse7 .cse10)))) [2018-11-18 14:09:41,306 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2018-11-18 14:09:41,306 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2018-11-18 14:09:41,306 INFO L421 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 0)) (.cse9 (= |old(~waterLevel~0)| 1))) (let ((.cse3 (= 1 ~waterLevel~0)) (.cse1 (not .cse9)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse4 (not .cse7)) (.cse10 (not (= ~waterLevel~0 1))) (.cse8 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4)) (or .cse5 .cse0 .cse3 .cse1) (or .cse6 .cse7 .cse2) (or .cse5 .cse0 (and .cse4 .cse8)) (or .cse5 .cse7 .cse6) (or .cse5 .cse9 .cse0 .cse10) (or (and .cse4 .cse10 .cse8) .cse9 .cse0 .cse2)))) [2018-11-18 14:09:41,307 INFO L421 ceAbstractionStarter]: At program point L66(lines 66 72) the Hoare annotation is: (let ((.cse8 (= |old(~waterLevel~0)| 1))) (let ((.cse1 (= 1 ~waterLevel~0)) (.cse2 (not .cse8)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse9 (not (= ~waterLevel~0 1))) (.cse10 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= ~systemActive~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse5 .cse0 (and .cse1 .cse7) .cse2) (or .cse7 .cse6 (<= 2 ~waterLevel~0) .cse3 .cse4) (or .cse5 .cse8 .cse0 (and .cse9 .cse10 .cse7)) (or .cse8 .cse0 (and .cse9 .cse10) .cse3) (or (not .cse6) .cse0 .cse7 .cse3)))) [2018-11-18 14:09:41,307 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 880 891) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0)))) (or (< ~methaneLevelCritical~0 1) .cse1 .cse0))) [2018-11-18 14:09:41,307 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 880 891) no Hoare annotation was computed. [2018-11-18 14:09:41,307 INFO L425 ceAbstractionStarter]: For program point L884-1(lines 880 891) no Hoare annotation was computed. [2018-11-18 14:09:41,307 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 807 813) no Hoare annotation was computed. [2018-11-18 14:09:41,307 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 807 813) the Hoare annotation is: true [2018-11-18 14:09:41,307 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:09:41,307 INFO L421 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)) [2018-11-18 14:09:41,307 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:09:41,307 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:09:41,307 INFO L421 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and .cse0 (= 0 ~pumpRunning~0) .cse1) .cse2 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse2 (and .cse0 .cse1)))) [2018-11-18 14:09:41,307 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 87 111) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 14:09:41,307 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 103) no Hoare annotation was computed. [2018-11-18 14:09:41,307 INFO L421 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (= 0 ~pumpRunning~0) .cse1)) (or (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-18 14:09:41,307 INFO L425 ceAbstractionStarter]: For program point L93-1(line 93) no Hoare annotation was computed. [2018-11-18 14:09:41,307 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 87 111) no Hoare annotation was computed. [2018-11-18 14:09:41,307 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 108) no Hoare annotation was computed. [2018-11-18 14:09:41,307 INFO L421 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-11-18 14:09:41,307 INFO L425 ceAbstractionStarter]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2018-11-18 14:09:41,308 INFO L421 ceAbstractionStarter]: At program point L101(line 101) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (and (= 0 ~pumpRunning~0) .cse1 .cse2) (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)))) [2018-11-18 14:09:41,308 INFO L425 ceAbstractionStarter]: For program point L896-1(lines 892 903) no Hoare annotation was computed. [2018-11-18 14:09:41,308 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 892 903) no Hoare annotation was computed. [2018-11-18 14:09:41,308 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 892 903) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse0 (or (= ~systemActive~0 0) .cse2)) (or .cse3 .cse0 .cse1) (or .cse3 .cse1 .cse4 .cse5) (or .cse1 .cse4 .cse5 .cse2))) [2018-11-18 14:09:41,308 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 377 384) no Hoare annotation was computed. [2018-11-18 14:09:41,308 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 377 384) the Hoare annotation is: true [2018-11-18 14:09:41,308 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 377 384) no Hoare annotation was computed. [2018-11-18 14:09:41,308 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 381) no Hoare annotation was computed. [2018-11-18 14:09:41,308 INFO L421 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or (= ~systemActive~0 0) .cse0) (or .cse1 .cse0) (or (< ~methaneLevelCritical~0 1) .cse1))) [2018-11-18 14:09:41,308 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 869) no Hoare annotation was computed. [2018-11-18 14:09:41,308 INFO L421 ceAbstractionStarter]: At program point L861(line 861) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2018-11-18 14:09:41,308 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 851 875) the Hoare annotation is: true [2018-11-18 14:09:41,308 INFO L425 ceAbstractionStarter]: For program point L861-1(line 861) no Hoare annotation was computed. [2018-11-18 14:09:41,308 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 872) no Hoare annotation was computed. [2018-11-18 14:09:41,308 INFO L425 ceAbstractionStarter]: For program point L859-1(lines 851 875) no Hoare annotation was computed. [2018-11-18 14:09:41,308 INFO L428 ceAbstractionStarter]: At program point L857(line 857) the Hoare annotation is: true [2018-11-18 14:09:41,308 INFO L425 ceAbstractionStarter]: For program point L857-1(line 857) no Hoare annotation was computed. [2018-11-18 14:09:41,308 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 851 875) no Hoare annotation was computed. [2018-11-18 14:09:41,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:09:41 BoogieIcfgContainer [2018-11-18 14:09:41,318 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:09:41,319 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:09:41,319 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:09:41,319 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:09:41,319 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:09:26" (3/4) ... [2018-11-18 14:09:41,322 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:09:41,327 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 14:09:41,327 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 14:09:41,327 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 14:09:41,327 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 14:09:41,327 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 14:09:41,327 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 14:09:41,327 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 14:09:41,328 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 14:09:41,328 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 14:09:41,328 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 14:09:41,328 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 14:09:41,328 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 14:09:41,328 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 14:09:41,328 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 14:09:41,328 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 14:09:41,328 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 14:09:41,328 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 14:09:41,328 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 14:09:41,328 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 14:09:41,328 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 14:09:41,329 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 14:09:41,329 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 14:09:41,329 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 14:09:41,329 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 14:09:41,329 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 14:09:41,329 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 14:09:41,329 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 14:09:41,329 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 14:09:41,329 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 14:09:41,330 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-18 14:09:41,335 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2018-11-18 14:09:41,335 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 14:09:41,335 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 14:09:41,355 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((0 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0) [2018-11-18 14:09:41,355 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 14:09:41,394 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cda74f06-893b-49a9-bf43-828f45505962/bin-2019/utaipan/witness.graphml [2018-11-18 14:09:41,394 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:09:41,395 INFO L168 Benchmark]: Toolchain (without parser) took 15445.64 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 935.3 MB). Free memory was 956.6 MB in the beginning and 1.7 GB in the end (delta: -702.5 MB). Peak memory consumption was 232.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:09:41,395 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:09:41,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -177.8 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:09:41,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:09:41,396 INFO L168 Benchmark]: Boogie Preprocessor took 27.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:09:41,396 INFO L168 Benchmark]: RCFGBuilder took 490.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2018-11-18 14:09:41,396 INFO L168 Benchmark]: TraceAbstraction took 14427.65 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 787.0 MB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -607.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-18 14:09:41,397 INFO L168 Benchmark]: Witness Printer took 75.58 ms. Allocated memory is still 2.0 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2018-11-18 14:09:41,398 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 393.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -177.8 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 490.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14427.65 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 787.0 MB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -607.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 75.58 ms. Allocated memory is still 2.0 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 381]: 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: 319]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((0 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0) - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 171 locations, 1 error locations. SAFE Result, 14.3s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 3.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2424 SDtfs, 1289 SDslu, 5239 SDs, 0 SdLazy, 2019 SolverSat, 279 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1046 GetRequests, 936 SyntacticMatches, 16 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2403occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.2s AbstIntTime, 3 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 390 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 5077 PreInvPairs, 5453 NumberOfFragments, 2019 HoareAnnotationTreeSize, 5077 FomulaSimplifications, 10244 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 71 FomulaSimplificationsInter, 25032 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1514 NumberOfCodeBlocks, 1514 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1965 ConstructedInterpolants, 0 QuantifiedInterpolants, 401024 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2363 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 328/348 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...