./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product62_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b3218769-7e7e-48a4-a142-a1a94a45a40c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b3218769-7e7e-48a4-a142-a1a94a45a40c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b3218769-7e7e-48a4-a142-a1a94a45a40c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b3218769-7e7e-48a4-a142-a1a94a45a40c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product62_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b3218769-7e7e-48a4-a142-a1a94a45a40c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b3218769-7e7e-48a4-a142-a1a94a45a40c/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 23f993c1cfae7b9f66cc8c2fd252077854486eec ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 01:21:17,849 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 01:21:17,850 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 01:21:17,857 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 01:21:17,858 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 01:21:17,858 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 01:21:17,859 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 01:21:17,859 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 01:21:17,860 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 01:21:17,861 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 01:21:17,862 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 01:21:17,862 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 01:21:17,862 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 01:21:17,863 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 01:21:17,864 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 01:21:17,864 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 01:21:17,865 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 01:21:17,866 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 01:21:17,867 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 01:21:17,868 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 01:21:17,869 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 01:21:17,870 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 01:21:17,871 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 01:21:17,872 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 01:21:17,872 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 01:21:17,872 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 01:21:17,873 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 01:21:17,873 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 01:21:17,873 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 01:21:17,874 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 01:21:17,874 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 01:21:17,874 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 01:21:17,875 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 01:21:17,875 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 01:21:17,875 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 01:21:17,875 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 01:21:17,876 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b3218769-7e7e-48a4-a142-a1a94a45a40c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 01:21:17,883 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 01:21:17,883 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 01:21:17,883 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 01:21:17,883 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 01:21:17,884 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 01:21:17,884 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 01:21:17,884 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 01:21:17,884 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 01:21:17,884 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 01:21:17,884 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 01:21:17,884 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 01:21:17,885 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 01:21:17,885 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 01:21:17,885 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 01:21:17,886 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 01:21:17,886 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 01:21:17,886 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 01:21:17,886 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 01:21:17,886 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 01:21:17,886 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 01:21:17,887 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 01:21:17,887 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 01:21:17,887 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 01:21:17,887 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 01:21:17,887 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 01:21:17,887 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 01:21:17,887 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 01:21:17,888 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 01:21:17,888 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 01:21:17,888 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 01:21:17,888 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 01:21:17,888 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 01:21:17,888 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 01:21:17,888 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 01:21:17,888 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 01:21:17,888 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 01:21:17,888 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_b3218769-7e7e-48a4-a142-a1a94a45a40c/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 -> 23f993c1cfae7b9f66cc8c2fd252077854486eec [2018-12-03 01:21:17,911 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 01:21:17,918 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 01:21:17,920 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 01:21:17,921 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 01:21:17,921 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 01:21:17,922 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b3218769-7e7e-48a4-a142-a1a94a45a40c/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product62_true-unreach-call_false-termination.cil.c [2018-12-03 01:21:17,957 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b3218769-7e7e-48a4-a142-a1a94a45a40c/bin-2019/utaipan/data/6691541b2/f64986b5e3024dcbb8996687365a8720/FLAGc16290cde [2018-12-03 01:21:18,338 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 01:21:18,339 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b3218769-7e7e-48a4-a142-a1a94a45a40c/sv-benchmarks/c/product-lines/minepump_spec2_product62_true-unreach-call_false-termination.cil.c [2018-12-03 01:21:18,345 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b3218769-7e7e-48a4-a142-a1a94a45a40c/bin-2019/utaipan/data/6691541b2/f64986b5e3024dcbb8996687365a8720/FLAGc16290cde [2018-12-03 01:21:18,711 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b3218769-7e7e-48a4-a142-a1a94a45a40c/bin-2019/utaipan/data/6691541b2/f64986b5e3024dcbb8996687365a8720 [2018-12-03 01:21:18,717 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 01:21:18,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 01:21:18,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 01:21:18,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 01:21:18,727 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 01:21:18,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:21:18" (1/1) ... [2018-12-03 01:21:18,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53463ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:18, skipping insertion in model container [2018-12-03 01:21:18,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:21:18" (1/1) ... [2018-12-03 01:21:18,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 01:21:18,753 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 01:21:18,900 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:21:18,940 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 01:21:18,981 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:21:18,997 INFO L195 MainTranslator]: Completed translation [2018-12-03 01:21:18,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:18 WrapperNode [2018-12-03 01:21:18,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 01:21:18,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 01:21:18,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 01:21:18,998 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 01:21:19,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:18" (1/1) ... [2018-12-03 01:21:19,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:18" (1/1) ... [2018-12-03 01:21:19,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 01:21:19,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 01:21:19,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 01:21:19,018 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 01:21:19,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:18" (1/1) ... [2018-12-03 01:21:19,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:18" (1/1) ... [2018-12-03 01:21:19,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:18" (1/1) ... [2018-12-03 01:21:19,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:18" (1/1) ... [2018-12-03 01:21:19,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:18" (1/1) ... [2018-12-03 01:21:19,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:18" (1/1) ... [2018-12-03 01:21:19,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:18" (1/1) ... [2018-12-03 01:21:19,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 01:21:19,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 01:21:19,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 01:21:19,041 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 01:21:19,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b3218769-7e7e-48a4-a142-a1a94a45a40c/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 01:21:19,072 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-03 01:21:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-03 01:21:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 01:21:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 01:21:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-03 01:21:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-03 01:21:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 01:21:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-03 01:21:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-03 01:21:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-03 01:21:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-03 01:21:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-03 01:21:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-03 01:21:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-03 01:21:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-03 01:21:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-03 01:21:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-03 01:21:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-03 01:21:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-03 01:21:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-03 01:21:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-03 01:21:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-03 01:21:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-03 01:21:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-03 01:21:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-03 01:21:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-03 01:21:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-03 01:21:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-03 01:21:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-03 01:21:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-03 01:21:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-03 01:21:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-03 01:21:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-03 01:21:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-03 01:21:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-03 01:21:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-03 01:21:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-03 01:21:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 01:21:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 01:21:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-03 01:21:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-03 01:21:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-03 01:21:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-03 01:21:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-03 01:21:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-03 01:21:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-03 01:21:19,076 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-03 01:21:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-03 01:21:19,076 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-03 01:21:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-03 01:21:19,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-03 01:21:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-03 01:21:19,076 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-03 01:21:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-03 01:21:19,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-03 01:21:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-03 01:21:19,076 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-03 01:21:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 01:21:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 01:21:19,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 01:21:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-03 01:21:19,076 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-03 01:21:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-03 01:21:19,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-03 01:21:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 01:21:19,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 01:21:19,362 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 01:21:19,362 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 01:21:19,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:21:19 BoogieIcfgContainer [2018-12-03 01:21:19,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 01:21:19,363 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 01:21:19,363 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 01:21:19,365 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 01:21:19,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 01:21:18" (1/3) ... [2018-12-03 01:21:19,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c4bc45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:21:19, skipping insertion in model container [2018-12-03 01:21:19,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:18" (2/3) ... [2018-12-03 01:21:19,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c4bc45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:21:19, skipping insertion in model container [2018-12-03 01:21:19,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:21:19" (3/3) ... [2018-12-03 01:21:19,367 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product62_true-unreach-call_false-termination.cil.c [2018-12-03 01:21:19,374 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 01:21:19,379 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 01:21:19,388 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 01:21:19,407 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 01:21:19,407 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 01:21:19,407 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 01:21:19,408 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 01:21:19,408 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 01:21:19,408 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 01:21:19,408 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 01:21:19,408 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 01:21:19,420 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states. [2018-12-03 01:21:19,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-03 01:21:19,425 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:21:19,426 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:21:19,427 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:21:19,430 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:21:19,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1438635826, now seen corresponding path program 1 times [2018-12-03 01:21:19,432 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:21:19,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:19,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:21:19,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:19,461 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:21:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:19,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:21:19,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:21:19,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 01:21:19,579 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:21:19,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 01:21:19,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 01:21:19,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 01:21:19,591 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 2 states. [2018-12-03 01:21:19,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:21:19,615 INFO L93 Difference]: Finished difference Result 314 states and 391 transitions. [2018-12-03 01:21:19,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 01:21:19,616 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-03 01:21:19,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:21:19,623 INFO L225 Difference]: With dead ends: 314 [2018-12-03 01:21:19,623 INFO L226 Difference]: Without dead ends: 159 [2018-12-03 01:21:19,625 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 01:21:19,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-12-03 01:21:19,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-12-03 01:21:19,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-12-03 01:21:19,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 189 transitions. [2018-12-03 01:21:19,657 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 189 transitions. Word has length 51 [2018-12-03 01:21:19,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:21:19,657 INFO L480 AbstractCegarLoop]: Abstraction has 159 states and 189 transitions. [2018-12-03 01:21:19,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 01:21:19,657 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 189 transitions. [2018-12-03 01:21:19,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-03 01:21:19,659 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:21:19,659 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:21:19,660 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:21:19,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:21:19,660 INFO L82 PathProgramCache]: Analyzing trace with hash -2066845612, now seen corresponding path program 1 times [2018-12-03 01:21:19,660 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:21:19,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:19,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:21:19,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:19,661 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:21:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:19,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:21:19,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:21:19,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 01:21:19,716 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:21:19,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 01:21:19,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 01:21:19,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 01:21:19,718 INFO L87 Difference]: Start difference. First operand 159 states and 189 transitions. Second operand 3 states. [2018-12-03 01:21:19,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:21:19,732 INFO L93 Difference]: Finished difference Result 259 states and 309 transitions. [2018-12-03 01:21:19,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 01:21:19,733 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-03 01:21:19,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:21:19,734 INFO L225 Difference]: With dead ends: 259 [2018-12-03 01:21:19,734 INFO L226 Difference]: Without dead ends: 150 [2018-12-03 01:21:19,735 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 01:21:19,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-12-03 01:21:19,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-12-03 01:21:19,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-12-03 01:21:19,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 177 transitions. [2018-12-03 01:21:19,744 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 177 transitions. Word has length 52 [2018-12-03 01:21:19,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:21:19,744 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 177 transitions. [2018-12-03 01:21:19,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 01:21:19,744 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 177 transitions. [2018-12-03 01:21:19,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-03 01:21:19,745 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:21:19,746 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:21:19,746 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:21:19,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:21:19,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1429957542, now seen corresponding path program 1 times [2018-12-03 01:21:19,746 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:21:19,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:19,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:21:19,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:19,747 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:21:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:19,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:21:19,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:21:19,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 01:21:19,816 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:21:19,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 01:21:19,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 01:21:19,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-03 01:21:19,817 INFO L87 Difference]: Start difference. First operand 150 states and 177 transitions. Second operand 7 states. [2018-12-03 01:21:20,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:21:20,011 INFO L93 Difference]: Finished difference Result 272 states and 327 transitions. [2018-12-03 01:21:20,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 01:21:20,011 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-03 01:21:20,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:21:20,013 INFO L225 Difference]: With dead ends: 272 [2018-12-03 01:21:20,013 INFO L226 Difference]: Without dead ends: 150 [2018-12-03 01:21:20,014 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 01:21:20,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-12-03 01:21:20,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-12-03 01:21:20,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-12-03 01:21:20,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2018-12-03 01:21:20,025 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 57 [2018-12-03 01:21:20,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:21:20,026 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2018-12-03 01:21:20,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 01:21:20,026 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2018-12-03 01:21:20,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-03 01:21:20,028 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:21:20,028 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:21:20,029 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:21:20,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:21:20,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1157434000, now seen corresponding path program 1 times [2018-12-03 01:21:20,029 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:21:20,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:20,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:21:20,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:20,030 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:21:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:20,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:21:20,100 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:21:20,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 01:21:20,101 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:21:20,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 01:21:20,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 01:21:20,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 01:21:20,102 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 5 states. [2018-12-03 01:21:20,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:21:20,427 INFO L93 Difference]: Finished difference Result 388 states and 472 transitions. [2018-12-03 01:21:20,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 01:21:20,427 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2018-12-03 01:21:20,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:21:20,429 INFO L225 Difference]: With dead ends: 388 [2018-12-03 01:21:20,430 INFO L226 Difference]: Without dead ends: 266 [2018-12-03 01:21:20,430 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-03 01:21:20,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-12-03 01:21:20,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 247. [2018-12-03 01:21:20,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-12-03 01:21:20,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 282 transitions. [2018-12-03 01:21:20,452 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 282 transitions. Word has length 75 [2018-12-03 01:21:20,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:21:20,453 INFO L480 AbstractCegarLoop]: Abstraction has 247 states and 282 transitions. [2018-12-03 01:21:20,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 01:21:20,453 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 282 transitions. [2018-12-03 01:21:20,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-03 01:21:20,454 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:21:20,455 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:21:20,455 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:21:20,455 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:21:20,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1794259625, now seen corresponding path program 1 times [2018-12-03 01:21:20,455 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:21:20,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:20,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:21:20,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:20,457 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:21:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:20,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:21:20,527 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:21:20,527 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 01:21:20,527 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:21:20,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 01:21:20,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 01:21:20,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 01:21:20,528 INFO L87 Difference]: Start difference. First operand 247 states and 282 transitions. Second operand 6 states. [2018-12-03 01:21:20,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:21:20,646 INFO L93 Difference]: Finished difference Result 667 states and 782 transitions. [2018-12-03 01:21:20,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 01:21:20,646 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-03 01:21:20,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:21:20,649 INFO L225 Difference]: With dead ends: 667 [2018-12-03 01:21:20,650 INFO L226 Difference]: Without dead ends: 448 [2018-12-03 01:21:20,651 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-03 01:21:20,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2018-12-03 01:21:20,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 442. [2018-12-03 01:21:20,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2018-12-03 01:21:20,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 504 transitions. [2018-12-03 01:21:20,676 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 504 transitions. Word has length 89 [2018-12-03 01:21:20,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:21:20,676 INFO L480 AbstractCegarLoop]: Abstraction has 442 states and 504 transitions. [2018-12-03 01:21:20,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 01:21:20,676 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 504 transitions. [2018-12-03 01:21:20,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-03 01:21:20,677 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:21:20,678 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:21:20,678 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:21:20,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:21:20,678 INFO L82 PathProgramCache]: Analyzing trace with hash -465119795, now seen corresponding path program 1 times [2018-12-03 01:21:20,678 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:21:20,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:20,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:21:20,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:20,679 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:21:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:20,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:21:20,742 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:21:20,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 01:21:20,742 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:21:20,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 01:21:20,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 01:21:20,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-03 01:21:20,743 INFO L87 Difference]: Start difference. First operand 442 states and 504 transitions. Second operand 7 states. [2018-12-03 01:21:21,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:21:21,096 INFO L93 Difference]: Finished difference Result 887 states and 1036 transitions. [2018-12-03 01:21:21,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-03 01:21:21,096 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2018-12-03 01:21:21,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:21:21,099 INFO L225 Difference]: With dead ends: 887 [2018-12-03 01:21:21,099 INFO L226 Difference]: Without dead ends: 473 [2018-12-03 01:21:21,100 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-03 01:21:21,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2018-12-03 01:21:21,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 441. [2018-12-03 01:21:21,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2018-12-03 01:21:21,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 501 transitions. [2018-12-03 01:21:21,119 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 501 transitions. Word has length 93 [2018-12-03 01:21:21,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:21:21,119 INFO L480 AbstractCegarLoop]: Abstraction has 441 states and 501 transitions. [2018-12-03 01:21:21,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 01:21:21,119 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 501 transitions. [2018-12-03 01:21:21,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-03 01:21:21,121 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:21:21,121 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:21:21,121 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:21:21,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:21:21,121 INFO L82 PathProgramCache]: Analyzing trace with hash -712209462, now seen corresponding path program 1 times [2018-12-03 01:21:21,121 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:21:21,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:21,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:21:21,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:21,122 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:21:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:21,169 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 01:21:21,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:21:21,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 01:21:21,170 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:21:21,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 01:21:21,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 01:21:21,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 01:21:21,171 INFO L87 Difference]: Start difference. First operand 441 states and 501 transitions. Second operand 6 states. [2018-12-03 01:21:21,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:21:21,201 INFO L93 Difference]: Finished difference Result 868 states and 1010 transitions. [2018-12-03 01:21:21,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 01:21:21,202 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-12-03 01:21:21,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:21:21,203 INFO L225 Difference]: With dead ends: 868 [2018-12-03 01:21:21,203 INFO L226 Difference]: Without dead ends: 455 [2018-12-03 01:21:21,204 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-03 01:21:21,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2018-12-03 01:21:21,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 451. [2018-12-03 01:21:21,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2018-12-03 01:21:21,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 511 transitions. [2018-12-03 01:21:21,225 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 511 transitions. Word has length 109 [2018-12-03 01:21:21,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:21:21,225 INFO L480 AbstractCegarLoop]: Abstraction has 451 states and 511 transitions. [2018-12-03 01:21:21,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 01:21:21,225 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 511 transitions. [2018-12-03 01:21:21,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-03 01:21:21,226 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:21:21,227 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:21:21,227 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:21:21,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:21:21,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1226952584, now seen corresponding path program 1 times [2018-12-03 01:21:21,227 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:21:21,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:21,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:21:21,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:21,228 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:21:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:21,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 01:21:21,281 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:21:21,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 01:21:21,281 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:21:21,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 01:21:21,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 01:21:21,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-03 01:21:21,282 INFO L87 Difference]: Start difference. First operand 451 states and 511 transitions. Second operand 8 states. [2018-12-03 01:21:21,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:21:21,315 INFO L93 Difference]: Finished difference Result 888 states and 1032 transitions. [2018-12-03 01:21:21,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 01:21:21,316 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 109 [2018-12-03 01:21:21,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:21:21,318 INFO L225 Difference]: With dead ends: 888 [2018-12-03 01:21:21,318 INFO L226 Difference]: Without dead ends: 465 [2018-12-03 01:21:21,319 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-03 01:21:21,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2018-12-03 01:21:21,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 459. [2018-12-03 01:21:21,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2018-12-03 01:21:21,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 519 transitions. [2018-12-03 01:21:21,336 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 519 transitions. Word has length 109 [2018-12-03 01:21:21,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:21:21,337 INFO L480 AbstractCegarLoop]: Abstraction has 459 states and 519 transitions. [2018-12-03 01:21:21,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 01:21:21,337 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 519 transitions. [2018-12-03 01:21:21,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-03 01:21:21,338 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:21:21,338 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:21:21,338 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:21:21,338 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:21:21,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1996122599, now seen corresponding path program 1 times [2018-12-03 01:21:21,339 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:21:21,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:21,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:21:21,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:21,340 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:21:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:21,381 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 01:21:21,381 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:21:21,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 01:21:21,381 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:21:21,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 01:21:21,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 01:21:21,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 01:21:21,382 INFO L87 Difference]: Start difference. First operand 459 states and 519 transitions. Second operand 4 states. [2018-12-03 01:21:21,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:21:21,515 INFO L93 Difference]: Finished difference Result 1362 states and 1616 transitions. [2018-12-03 01:21:21,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 01:21:21,515 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 109 [2018-12-03 01:21:21,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:21:21,517 INFO L225 Difference]: With dead ends: 1362 [2018-12-03 01:21:21,518 INFO L226 Difference]: Without dead ends: 931 [2018-12-03 01:21:21,519 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 01:21:21,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2018-12-03 01:21:21,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 916. [2018-12-03 01:21:21,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 916 states. [2018-12-03 01:21:21,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1065 transitions. [2018-12-03 01:21:21,545 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1065 transitions. Word has length 109 [2018-12-03 01:21:21,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:21:21,546 INFO L480 AbstractCegarLoop]: Abstraction has 916 states and 1065 transitions. [2018-12-03 01:21:21,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 01:21:21,546 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1065 transitions. [2018-12-03 01:21:21,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-03 01:21:21,547 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:21:21,547 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:21:21,547 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:21:21,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:21:21,547 INFO L82 PathProgramCache]: Analyzing trace with hash -805538195, now seen corresponding path program 1 times [2018-12-03 01:21:21,547 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:21:21,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:21,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:21:21,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:21,548 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:21:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:21,626 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-03 01:21:21,626 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:21:21,626 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:21:21,627 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 114 with the following transitions: [2018-12-03 01:21:21,628 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [54], [56], [57], [60], [75], [78], [79], [83], [84], [86], [95], [99], [103], [106], [111], [114], [119], [125], [128], [138], [139], [142], [144], [147], [149], [152], [155], [167], [168], [169], [170], [171], [173], [178], [181], [182], [184], [189], [191], [192], [197], [199], [200], [201], [207], [211], [251], [255], [258], [260], [263], [273], [278], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [302], [303], [306], [307], [308], [310], [311], [318], [319], [320], [321], [322], [323], [326], [330], [331], [332], [333], [334], [336], [337], [338], [339], [340], [341], [344], [345], [346], [352], [353], [354], [356], [357], [358], [359] [2018-12-03 01:21:21,657 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:21:21,657 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:21:21,985 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 01:21:21,986 INFO L272 AbstractInterpreter]: Visited 84 different actions 84 times. Never merged. Never widened. Performed 2895 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2895 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 135 variables. [2018-12-03 01:21:21,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:21:21,991 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 01:21:22,197 INFO L227 lantSequenceWeakener]: Weakened 82 states. On average, predicates are now at 96.64% of their original sizes. [2018-12-03 01:21:22,198 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 01:21:22,334 INFO L418 sIntCurrentIteration]: We unified 112 AI predicates to 112 [2018-12-03 01:21:22,334 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 01:21:22,335 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 01:21:22,335 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [13] total 33 [2018-12-03 01:21:22,335 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:21:22,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-12-03 01:21:22,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-12-03 01:21:22,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2018-12-03 01:21:22,336 INFO L87 Difference]: Start difference. First operand 916 states and 1065 transitions. Second operand 22 states. [2018-12-03 01:21:26,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:21:26,870 INFO L93 Difference]: Finished difference Result 2276 states and 2684 transitions. [2018-12-03 01:21:26,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-12-03 01:21:26,870 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 113 [2018-12-03 01:21:26,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:21:26,873 INFO L225 Difference]: With dead ends: 2276 [2018-12-03 01:21:26,874 INFO L226 Difference]: Without dead ends: 1388 [2018-12-03 01:21:26,875 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 125 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=1042, Unknown=0, NotChecked=0, Total=1190 [2018-12-03 01:21:26,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2018-12-03 01:21:26,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1386. [2018-12-03 01:21:26,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1386 states. [2018-12-03 01:21:26,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1386 states and 1590 transitions. [2018-12-03 01:21:26,913 INFO L78 Accepts]: Start accepts. Automaton has 1386 states and 1590 transitions. Word has length 113 [2018-12-03 01:21:26,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:21:26,914 INFO L480 AbstractCegarLoop]: Abstraction has 1386 states and 1590 transitions. [2018-12-03 01:21:26,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-12-03 01:21:26,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 1590 transitions. [2018-12-03 01:21:26,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-03 01:21:26,917 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:21:26,917 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-03 01:21:26,917 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:21:26,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:21:26,918 INFO L82 PathProgramCache]: Analyzing trace with hash 213120395, now seen corresponding path program 1 times [2018-12-03 01:21:26,918 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:21:26,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:26,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:21:26,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:26,919 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:21:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:26,970 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-03 01:21:26,970 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:21:26,970 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:21:26,970 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 188 with the following transitions: [2018-12-03 01:21:26,971 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [37], [38], [39], [41], [44], [48], [49], [50], [54], [56], [57], [60], [63], [65], [71], [75], [78], [79], [83], [84], [85], [86], [95], [99], [103], [106], [111], [114], [117], [119], [125], [128], [138], [139], [140], [141], [142], [144], [147], [149], [152], [155], [164], [166], [167], [168], [169], [170], [171], [173], [178], [181], [182], [184], [189], [191], [192], [197], [199], [200], [201], [204], [207], [211], [217], [246], [250], [251], [255], [258], [260], [263], [270], [273], [278], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [296], [297], [300], [301], [302], [303], [304], [305], [306], [307], [308], [310], [311], [312], [313], [316], [317], [318], [319], [320], [321], [322], [323], [326], [327], [330], [331], [332], [333], [334], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [346], [347], [352], [353], [354], [356], [357], [358], [359], [362], [363] [2018-12-03 01:21:26,973 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:21:26,974 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:21:28,164 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 01:21:28,164 INFO L272 AbstractInterpreter]: Visited 147 different actions 796 times. Merged at 20 different actions 60 times. Never widened. Performed 36251 root evaluator evaluations with a maximum evaluation depth of 5. Performed 36251 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 10 fixpoints after 4 different actions. Largest state had 135 variables. [2018-12-03 01:21:28,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:21:28,170 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 01:21:28,417 INFO L227 lantSequenceWeakener]: Weakened 183 states. On average, predicates are now at 97.92% of their original sizes. [2018-12-03 01:21:28,418 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 01:21:28,530 INFO L418 sIntCurrentIteration]: We unified 186 AI predicates to 186 [2018-12-03 01:21:28,530 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 01:21:28,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 01:21:28,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [5] total 26 [2018-12-03 01:21:28,531 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:21:28,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-12-03 01:21:28,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-12-03 01:21:28,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=416, Unknown=0, NotChecked=0, Total=506 [2018-12-03 01:21:28,531 INFO L87 Difference]: Start difference. First operand 1386 states and 1590 transitions. Second operand 23 states. [2018-12-03 01:21:37,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:21:37,897 INFO L93 Difference]: Finished difference Result 4403 states and 5336 transitions. [2018-12-03 01:21:37,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-12-03 01:21:37,898 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 187 [2018-12-03 01:21:37,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:21:37,905 INFO L225 Difference]: With dead ends: 4403 [2018-12-03 01:21:37,905 INFO L226 Difference]: Without dead ends: 3344 [2018-12-03 01:21:37,907 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 229 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1276 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=650, Invalid=3640, Unknown=0, NotChecked=0, Total=4290 [2018-12-03 01:21:37,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3344 states. [2018-12-03 01:21:37,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3344 to 2606. [2018-12-03 01:21:37,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2606 states. [2018-12-03 01:21:37,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2606 states to 2606 states and 3019 transitions. [2018-12-03 01:21:37,991 INFO L78 Accepts]: Start accepts. Automaton has 2606 states and 3019 transitions. Word has length 187 [2018-12-03 01:21:37,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:21:37,991 INFO L480 AbstractCegarLoop]: Abstraction has 2606 states and 3019 transitions. [2018-12-03 01:21:37,991 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-12-03 01:21:37,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2606 states and 3019 transitions. [2018-12-03 01:21:37,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-12-03 01:21:37,996 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:21:37,996 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-03 01:21:37,996 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:21:37,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:21:37,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1152128339, now seen corresponding path program 1 times [2018-12-03 01:21:37,996 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:21:37,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:37,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:21:37,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:21:37,997 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:21:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:38,093 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 57 proven. 14 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-03 01:21:38,093 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:21:38,093 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:21:38,093 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 261 with the following transitions: [2018-12-03 01:21:38,093 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [37], [38], [39], [41], [44], [48], [49], [50], [54], [56], [57], [60], [63], [65], [71], [75], [78], [79], [83], [84], [85], [86], [95], [99], [103], [106], [109], [111], [114], [117], [119], [125], [128], [138], [139], [140], [141], [142], [144], [147], [149], [152], [155], [158], [164], [166], [167], [168], [169], [170], [171], [173], [178], [181], [182], [184], [189], [191], [192], [197], [199], [200], [201], [204], [207], [211], [217], [246], [250], [251], [255], [258], [260], [263], [270], [273], [278], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [296], [297], [300], [301], [302], [303], [304], [305], [306], [307], [308], [310], [311], [312], [313], [316], [317], [318], [319], [320], [321], [322], [323], [326], [327], [330], [331], [332], [333], [334], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [346], [347], [352], [353], [354], [356], [357], [358], [359], [362], [363] [2018-12-03 01:21:38,095 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:21:38,096 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:21:39,570 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 01:21:39,570 INFO L272 AbstractInterpreter]: Visited 151 different actions 1478 times. Merged at 22 different actions 137 times. Widened at 1 different actions 1 times. Performed 48240 root evaluator evaluations with a maximum evaluation depth of 5. Performed 48240 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 34 fixpoints after 6 different actions. Largest state had 135 variables. [2018-12-03 01:21:39,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:21:39,574 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 01:21:39,574 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:21:39,574 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b3218769-7e7e-48a4-a142-a1a94a45a40c/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 01:21:39,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:21:39,580 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 01:21:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:39,686 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 01:21:39,818 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-03 01:21:39,818 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 01:21:40,310 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 57 proven. 14 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-03 01:21:40,326 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-03 01:21:40,326 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-03 01:21:40,326 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:21:40,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 01:21:40,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 01:21:40,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-03 01:21:40,327 INFO L87 Difference]: Start difference. First operand 2606 states and 3019 transitions. Second operand 8 states. [2018-12-03 01:21:40,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:21:40,479 INFO L93 Difference]: Finished difference Result 4076 states and 4804 transitions. [2018-12-03 01:21:40,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 01:21:40,480 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 260 [2018-12-03 01:21:40,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:21:40,481 INFO L225 Difference]: With dead ends: 4076 [2018-12-03 01:21:40,481 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 01:21:40,485 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 533 GetRequests, 504 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-03 01:21:40,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 01:21:40,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 01:21:40,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 01:21:40,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 01:21:40,486 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 260 [2018-12-03 01:21:40,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:21:40,486 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 01:21:40,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 01:21:40,486 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 01:21:40,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 01:21:40,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 01:21:40,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:40,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:21:41,179 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 23 [2018-12-03 01:21:41,606 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 32 [2018-12-03 01:21:41,807 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 41 [2018-12-03 01:21:42,353 WARN L180 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 52 [2018-12-03 01:21:42,905 WARN L180 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 60 [2018-12-03 01:21:43,247 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 31 [2018-12-03 01:21:44,538 WARN L180 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 58 [2018-12-03 01:21:44,905 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 32 [2018-12-03 01:21:44,997 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 688 694) the Hoare annotation is: true [2018-12-03 01:21:44,997 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 688 694) no Hoare annotation was computed. [2018-12-03 01:21:44,997 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 695 703) no Hoare annotation was computed. [2018-12-03 01:21:44,997 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 695 703) the Hoare annotation is: true [2018-12-03 01:21:44,997 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 695 703) no Hoare annotation was computed. [2018-12-03 01:21:44,998 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:21:44,998 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2018-12-03 01:21:44,998 INFO L444 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-03 01:21:44,998 INFO L444 ceAbstractionStarter]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-03 01:21:44,998 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2018-12-03 01:21:44,998 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2018-12-03 01:21:44,998 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-03 01:21:44,998 INFO L444 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:21:44,998 INFO L444 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:21:44,998 INFO L444 ceAbstractionStarter]: At program point L494-1(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:21:44,998 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2018-12-03 01:21:44,998 INFO L444 ceAbstractionStarter]: At program point L855(line 855) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-12-03 01:21:44,998 INFO L448 ceAbstractionStarter]: For program point L855-1(lines 836 860) no Hoare annotation was computed. [2018-12-03 01:21:44,998 INFO L444 ceAbstractionStarter]: At program point L850(line 850) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse4) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-03 01:21:44,998 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 836 860) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-12-03 01:21:44,999 INFO L444 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse4) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-03 01:21:44,999 INFO L448 ceAbstractionStarter]: For program point L844(lines 844 852) no Hoare annotation was computed. [2018-12-03 01:21:44,999 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 836 860) no Hoare annotation was computed. [2018-12-03 01:21:44,999 INFO L444 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse4) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-03 01:21:44,999 INFO L448 ceAbstractionStarter]: For program point L842-1(line 842) no Hoare annotation was computed. [2018-12-03 01:21:44,999 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 857) no Hoare annotation was computed. [2018-12-03 01:21:44,999 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 931 939) no Hoare annotation was computed. [2018-12-03 01:21:44,999 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 931 939) the Hoare annotation is: true [2018-12-03 01:21:44,999 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 931 939) no Hoare annotation was computed. [2018-12-03 01:21:44,999 INFO L448 ceAbstractionStarter]: For program point L1004(lines 1004 1008) no Hoare annotation was computed. [2018-12-03 01:21:44,999 INFO L451 ceAbstractionStarter]: At program point L1002(line 1002) the Hoare annotation is: true [2018-12-03 01:21:44,999 INFO L448 ceAbstractionStarter]: For program point L1004-2(lines 1004 1008) no Hoare annotation was computed. [2018-12-03 01:21:44,999 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 995 1013) the Hoare annotation is: true [2018-12-03 01:21:44,999 INFO L448 ceAbstractionStarter]: For program point L1002-1(line 1002) no Hoare annotation was computed. [2018-12-03 01:21:44,999 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 995 1013) no Hoare annotation was computed. [2018-12-03 01:21:44,999 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 995 1013) no Hoare annotation was computed. [2018-12-03 01:21:44,999 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 681 687) no Hoare annotation was computed. [2018-12-03 01:21:44,999 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 681 687) the Hoare annotation is: true [2018-12-03 01:21:44,999 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:21:44,999 INFO L444 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:21:45,000 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2018-12-03 01:21:45,000 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2018-12-03 01:21:45,000 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 920 930) the Hoare annotation is: true [2018-12-03 01:21:45,000 INFO L451 ceAbstractionStarter]: At program point L925(line 925) the Hoare annotation is: true [2018-12-03 01:21:45,000 INFO L448 ceAbstractionStarter]: For program point L925-1(line 925) no Hoare annotation was computed. [2018-12-03 01:21:45,000 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 920 930) no Hoare annotation was computed. [2018-12-03 01:21:45,000 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 920 930) no Hoare annotation was computed. [2018-12-03 01:21:45,000 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 912 919) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse2) .cse1))) [2018-12-03 01:21:45,000 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 912 919) no Hoare annotation was computed. [2018-12-03 01:21:45,000 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 912 919) no Hoare annotation was computed. [2018-12-03 01:21:45,000 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 862 886) no Hoare annotation was computed. [2018-12-03 01:21:45,000 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 862 886) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse1 .cse4 .cse3) .cse2) (or .cse2 .cse1 .cse5 .cse4) (or .cse0 .cse2 .cse1 .cse5))) [2018-12-03 01:21:45,000 INFO L444 ceAbstractionStarter]: At program point L881(line 881) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse1 .cse5 .cse3) (or .cse0 .cse4 .cse1 .cse5))) [2018-12-03 01:21:45,000 INFO L448 ceAbstractionStarter]: For program point L881-1(lines 862 886) no Hoare annotation was computed. [2018-12-03 01:21:45,000 INFO L444 ceAbstractionStarter]: At program point L876(line 876) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or (not .cse2) .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse3) (or (or .cse1 .cse4 .cse2) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-12-03 01:21:45,000 INFO L444 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse0 (not .cse6)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~8) .cse5) .cse1 .cse6) (or .cse4 .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse6) .cse5)))) [2018-12-03 01:21:45,000 INFO L448 ceAbstractionStarter]: For program point L870(lines 870 878) no Hoare annotation was computed. [2018-12-03 01:21:45,001 INFO L444 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse0 (not .cse6)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6) (or .cse4 .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse6) .cse5)))) [2018-12-03 01:21:45,001 INFO L448 ceAbstractionStarter]: For program point L868-1(line 868) no Hoare annotation was computed. [2018-12-03 01:21:45,001 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 883) no Hoare annotation was computed. [2018-12-03 01:21:45,001 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 656) no Hoare annotation was computed. [2018-12-03 01:21:45,001 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 646 659) no Hoare annotation was computed. [2018-12-03 01:21:45,001 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 646 659) the Hoare annotation is: true [2018-12-03 01:21:45,001 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 646 659) no Hoare annotation was computed. [2018-12-03 01:21:45,001 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 802 808) no Hoare annotation was computed. [2018-12-03 01:21:45,001 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 802 808) the Hoare annotation is: true [2018-12-03 01:21:45,001 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 706 771) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:21:45,001 INFO L444 ceAbstractionStarter]: At program point L764(lines 715 765) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:21:45,001 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 706 771) no Hoare annotation was computed. [2018-12-03 01:21:45,001 INFO L448 ceAbstractionStarter]: For program point L754(lines 754 758) no Hoare annotation was computed. [2018-12-03 01:21:45,001 INFO L444 ceAbstractionStarter]: At program point L754-2(lines 746 759) the Hoare annotation is: (let ((.cse2 (not (= ~pumpRunning~0 0))) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse4 .cse1 .cse3) (and .cse5 .cse0 .cse1 .cse3))) [2018-12-03 01:21:45,001 INFO L448 ceAbstractionStarter]: For program point L717(lines 716 763) no Hoare annotation was computed. [2018-12-03 01:21:45,001 INFO L444 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (let ((.cse2 (not (= ~pumpRunning~0 0))) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse4 .cse1 .cse3) (and .cse5 .cse0 .cse1 .cse3))) [2018-12-03 01:21:45,001 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 759) no Hoare annotation was computed. [2018-12-03 01:21:45,001 INFO L444 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse1 (not (= ~pumpRunning~0 0)) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse3 .cse1 .cse2))) [2018-12-03 01:21:45,002 INFO L448 ceAbstractionStarter]: For program point L736(lines 736 742) no Hoare annotation was computed. [2018-12-03 01:21:45,002 INFO L448 ceAbstractionStarter]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2018-12-03 01:21:45,002 INFO L444 ceAbstractionStarter]: At program point L761(lines 716 763) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (and (not (= ~waterLevel~0 1)) .cse1 (not .cse3) .cse2 (not (= ~waterLevel~0 0))) .cse4) (and .cse0 .cse4 .cse3 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 01:21:45,002 INFO L444 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (and .cse1 (not (= ~pumpRunning~0 0)) .cse2) .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse3 .cse1 .cse2))) [2018-12-03 01:21:45,002 INFO L448 ceAbstractionStarter]: For program point L726(lines 726 732) no Hoare annotation was computed. [2018-12-03 01:21:45,002 INFO L448 ceAbstractionStarter]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2018-12-03 01:21:45,002 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 722) no Hoare annotation was computed. [2018-12-03 01:21:45,002 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 706 771) no Hoare annotation was computed. [2018-12-03 01:21:45,002 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 887 894) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~waterLevel~0 0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse5 (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3 .cse4))) [2018-12-03 01:21:45,002 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 887 894) no Hoare annotation was computed. [2018-12-03 01:21:45,002 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 887 894) no Hoare annotation was computed. [2018-12-03 01:21:45,002 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 660 668) no Hoare annotation was computed. [2018-12-03 01:21:45,002 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 660 668) the Hoare annotation is: true [2018-12-03 01:21:45,002 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 660 668) no Hoare annotation was computed. [2018-12-03 01:21:45,002 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 551) no Hoare annotation was computed. [2018-12-03 01:21:45,002 INFO L448 ceAbstractionStarter]: For program point L544(lines 544 554) no Hoare annotation was computed. [2018-12-03 01:21:45,002 INFO L444 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0 .cse1 .cse2) (or .cse0 (< ~methaneLevelCritical~0 1) (= ~waterLevel~0 1) (not (= 1 ~pumpRunning~0)) (= ~waterLevel~0 0) .cse1 .cse2) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-03 01:21:45,002 INFO L448 ceAbstractionStarter]: For program point L542-1(line 542) no Hoare annotation was computed. [2018-12-03 01:21:45,002 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 557) no Hoare annotation was computed. [2018-12-03 01:21:45,002 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 532 560) no Hoare annotation was computed. [2018-12-03 01:21:45,003 INFO L444 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (= ~waterLevel~0 0)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (= ~methAndRunningLastTime~0 0))) (and (or (or .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) (or .cse6 .cse0 .cse7 .cse1 .cse2 .cse3 .cse5) (or .cse7 .cse5 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse7 .cse2 .cse3 .cse5))) [2018-12-03 01:21:45,003 INFO L448 ceAbstractionStarter]: For program point L538-1(line 538) no Hoare annotation was computed. [2018-12-03 01:21:45,003 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 532 560) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (= ~waterLevel~0 0)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (= ~methAndRunningLastTime~0 0))) (and (or (or .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) (or .cse6 .cse0 .cse7 .cse1 .cse2 .cse3 .cse5) (or .cse7 .cse5 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse7 .cse2 .cse3 .cse5))) [2018-12-03 01:21:45,003 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 532 560) no Hoare annotation was computed. [2018-12-03 01:21:45,003 INFO L444 ceAbstractionStarter]: At program point L547(line 547) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse0 (= ~waterLevel~0 1) (not (= 1 ~pumpRunning~0)) (= ~waterLevel~0 0) .cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-03 01:21:45,003 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 524 531) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~methAndRunningLastTime~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-03 01:21:45,003 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 524 531) no Hoare annotation was computed. [2018-12-03 01:21:45,003 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 524 531) no Hoare annotation was computed. [2018-12-03 01:21:45,003 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 01:21:45,003 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-03 01:21:45,003 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 01:21:45,003 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 895 911) no Hoare annotation was computed. [2018-12-03 01:21:45,003 INFO L444 ceAbstractionStarter]: At program point L906(line 906) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~waterLevel~0 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse3 .cse4 .cse5 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse4 .cse5))) [2018-12-03 01:21:45,003 INFO L448 ceAbstractionStarter]: For program point L906-1(lines 895 911) no Hoare annotation was computed. [2018-12-03 01:21:45,003 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 895 911) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~waterLevel~0 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse3 .cse4 .cse5 .cse2))) [2018-12-03 01:21:45,003 INFO L448 ceAbstractionStarter]: For program point L902(lines 902 908) no Hoare annotation was computed. [2018-12-03 01:21:45,003 INFO L444 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~waterLevel~0 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse3 .cse4 .cse5 .cse2))) [2018-12-03 01:21:45,004 INFO L448 ceAbstractionStarter]: For program point L900-1(line 900) no Hoare annotation was computed. [2018-12-03 01:21:45,004 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 976 994) no Hoare annotation was computed. [2018-12-03 01:21:45,004 INFO L448 ceAbstractionStarter]: For program point L985(lines 985 989) no Hoare annotation was computed. [2018-12-03 01:21:45,004 INFO L451 ceAbstractionStarter]: At program point L983(line 983) the Hoare annotation is: true [2018-12-03 01:21:45,004 INFO L448 ceAbstractionStarter]: For program point L985-2(lines 985 989) no Hoare annotation was computed. [2018-12-03 01:21:45,004 INFO L448 ceAbstractionStarter]: For program point L983-1(line 983) no Hoare annotation was computed. [2018-12-03 01:21:45,004 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 976 994) the Hoare annotation is: true [2018-12-03 01:21:45,004 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 976 994) no Hoare annotation was computed. [2018-12-03 01:21:45,004 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 593 604) the Hoare annotation is: (let ((.cse3 (< |old(~methaneLevelCritical~0)| 1)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= 0 ~methaneLevelCritical~0) (or .cse0 .cse1 (not (= |old(~methaneLevelCritical~0)| 0)))) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 .cse1 (= ~methaneLevelCritical~0 1)) (or .cse2 .cse3 (or .cse0 (= 0 ~pumpRunning~0))) (or .cse3 .cse2 .cse0 .cse1))) [2018-12-03 01:21:45,004 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 593 604) no Hoare annotation was computed. [2018-12-03 01:21:45,004 INFO L448 ceAbstractionStarter]: For program point L597-1(lines 593 604) no Hoare annotation was computed. [2018-12-03 01:21:45,004 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 605 613) the Hoare annotation is: true [2018-12-03 01:21:45,004 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 605 613) no Hoare annotation was computed. [2018-12-03 01:21:45,004 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 605 613) no Hoare annotation was computed. [2018-12-03 01:21:45,004 INFO L444 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: (let ((.cse14 (= 0 |old(~pumpRunning~0)|)) (.cse15 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse11 (= |old(~waterLevel~0)| 1))) (let ((.cse9 (= |old(~waterLevel~0)| 0)) (.cse8 (not (= ~waterLevel~0 0))) (.cse7 (not .cse11)) (.cse6 (= 1 ~waterLevel~0)) (.cse13 (not (= ~waterLevel~0 1))) (.cse10 (< ~methaneLevelCritical~0 1)) (.cse12 (and (= ~methAndRunningLastTime~0 0) .cse15)) (.cse16 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not .cse14)) (.cse1 (= ~waterLevel~0 2)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse2 .cse3 .cse7 .cse4) (or .cse0 .cse8 .cse9 .cse2 .cse3 .cse4) (or .cse10 .cse11 .cse0 .cse9 .cse2 .cse3 .cse8) (or .cse0 .cse12 .cse2 .cse3 .cse4) (or .cse11 .cse0 .cse13 .cse2 .cse3 .cse4) (or .cse10 (or .cse2 .cse14) .cse15) (or .cse16 .cse0 .cse2 .cse3 .cse7 .cse6) (or .cse10 .cse11 .cse0 .cse13 .cse2 .cse3) (or .cse10 .cse12 .cse2 .cse3) (or .cse16 .cse0 .cse2 .cse1 .cse3 .cse5) (or .cse15 (or .cse2 .cse4 .cse14))))) [2018-12-03 01:21:45,004 INFO L444 ceAbstractionStarter]: At program point L789(lines 789 795) the Hoare annotation is: (let ((.cse11 (= 0 |old(~pumpRunning~0)|)) (.cse16 (= |old(~waterLevel~0)| 1)) (.cse17 (not (= ~waterLevel~0 1))) (.cse14 (not (= ~waterLevel~0 0))) (.cse12 (= ~methAndRunningLastTime~0 0)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse8 (and .cse12 .cse10)) (.cse15 (= |old(~waterLevel~0)| 0)) (.cse7 (and .cse12 .cse17 (= ~pumpRunning~0 1) .cse14)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not .cse16)) (.cse1 (= 1 ~waterLevel~0)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse9 (= ~pumpRunning~0 0)) (.cse13 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not .cse11)) (.cse2 (not (= ~systemActive~0 1))) (.cse18 (= ~waterLevel~0 2)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse19 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse8 .cse2 .cse3) (or .cse9 .cse10 (or .cse2 .cse5 .cse11)) (or .cse12 (or .cse13 .cse2 .cse3)) (or .cse0 .cse7 .cse8 .cse2 .cse3 .cse5) (or .cse0 .cse14 .cse15 .cse2 .cse3 .cse5) (or .cse6 .cse16 .cse0 .cse15 .cse2 .cse3 .cse14) (or .cse16 .cse0 .cse17 .cse2 .cse3 .cse5) (or .cse13 .cse0 .cse10 .cse2 .cse3) (or .cse0 .cse7 .cse18 .cse2 .cse3 .cse5 .cse19) (or .cse6 .cse16 .cse0 .cse17 .cse2 .cse3) (or .cse13 .cse0 .cse2 .cse3 .cse4 .cse1) (or .cse6 .cse9 (or .cse2 .cse11)) (or .cse13 .cse0 .cse2 .cse18 .cse3 .cse19)))) [2018-12-03 01:21:45,005 INFO L444 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (let ((.cse9 (= 0 |old(~pumpRunning~0)|))) (let ((.cse4 (= ~methAndRunningLastTime~0 0)) (.cse0 (not .cse9)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse6 (not (= ~waterLevel~0 0))) (.cse7 (= |old(~waterLevel~0)| 1)) (.cse8 (= |old(~waterLevel~0)| 0)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse1 .cse2 .cse3) .cse4) (or .cse5 (or .cse1 .cse2) .cse4) (or .cse6 (or .cse7 .cse8 .cse1 .cse3 .cse9)) (or .cse5 .cse0 .cse1 .cse2) (or .cse5 (or .cse1 .cse9) .cse10) (or .cse5 .cse6 (or .cse7 .cse8 .cse1 .cse9)) (or .cse10 (or .cse1 .cse3 .cse9))))) [2018-12-03 01:21:45,005 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 778 801) the Hoare annotation is: (let ((.cse13 (= 0 |old(~pumpRunning~0)|)) (.cse10 (= |old(~waterLevel~0)| 1)) (.cse11 (not (= ~waterLevel~0 1))) (.cse8 (not (= ~waterLevel~0 0)))) (let ((.cse1 (= ~methAndRunningLastTime~0 0)) (.cse12 (and .cse11 .cse8)) (.cse9 (= |old(~waterLevel~0)| 0)) (.cse6 (not .cse10)) (.cse5 (= 1 ~waterLevel~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse17 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not .cse13)) (.cse14 (= ~waterLevel~0 2)) (.cse15 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse16 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or .cse4 .cse5 .cse2 .cse3 .cse6 .cse7) (or .cse4 .cse8 .cse9 .cse2 .cse3 .cse7) (or .cse0 .cse10 .cse9 .cse2 .cse3 .cse8) (or .cse10 .cse4 .cse11 .cse2 .cse3 .cse7) (or .cse12 (or .cse10 .cse9 .cse2 .cse7 .cse13)) (or .cse4 .cse14 .cse2 .cse3 .cse7 .cse15) (or .cse0 .cse16 .cse2 .cse3) (or .cse16 .cse0 (or .cse2 .cse13)) (or .cse1 (or .cse2 .cse3 .cse7)) (or .cse12 .cse0 (or .cse10 .cse9 .cse2 .cse13)) (or .cse17 .cse4 .cse2 .cse3 .cse6 .cse5) (or .cse0 .cse10 .cse4 .cse11 .cse2 .cse3) (or .cse17 .cse4 .cse2 .cse14 .cse3 .cse15) (or .cse16 .cse2 .cse3 .cse7) (or .cse16 (or .cse2 .cse7 .cse13))))) [2018-12-03 01:21:45,005 INFO L448 ceAbstractionStarter]: For program point L782(lines 781 800) no Hoare annotation was computed. [2018-12-03 01:21:45,005 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 778 801) no Hoare annotation was computed. [2018-12-03 01:21:45,005 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 778 801) no Hoare annotation was computed. [2018-12-03 01:21:45,005 INFO L451 ceAbstractionStarter]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2018-12-03 01:21:45,005 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2018-12-03 01:21:45,005 INFO L451 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: true [2018-12-03 01:21:45,005 INFO L448 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2018-12-03 01:21:45,005 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2018-12-03 01:21:45,005 INFO L451 ceAbstractionStarter]: At program point L433(lines 408 437) the Hoare annotation is: true [2018-12-03 01:21:45,005 INFO L448 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2018-12-03 01:21:45,005 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2018-12-03 01:21:45,005 INFO L451 ceAbstractionStarter]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2018-12-03 01:21:45,005 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-03 01:21:45,005 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 569 580) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~waterLevel~0 0)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 (or .cse1 .cse2 (= 0 ~pumpRunning~0))) (or (or (or (= ~pumpRunning~0 0) (not (= ~methaneLevelCritical~0 0))) .cse1 .cse2) .cse0))) [2018-12-03 01:21:45,005 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 569 580) no Hoare annotation was computed. [2018-12-03 01:21:45,005 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 569 580) no Hoare annotation was computed. [2018-12-03 01:21:45,005 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2018-12-03 01:21:45,005 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2018-12-03 01:21:45,006 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 01:21:45,006 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-03 01:21:45,006 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 01:21:45,006 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 01:21:45,006 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 810 834) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-12-03 01:21:45,006 INFO L444 ceAbstractionStarter]: At program point L829(line 829) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse4) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-03 01:21:45,006 INFO L448 ceAbstractionStarter]: For program point L829-1(lines 810 834) no Hoare annotation was computed. [2018-12-03 01:21:45,006 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 810 834) no Hoare annotation was computed. [2018-12-03 01:21:45,006 INFO L444 ceAbstractionStarter]: At program point L824(line 824) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (< ~methaneLevelCritical~0 1) (not .cse2) .cse0 .cse4) (or .cse3 .cse0 .cse4 .cse1))) [2018-12-03 01:21:45,006 INFO L444 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (and (not (= ~waterLevel~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~waterLevel~0 0))))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse0 .cse4 .cse3))) [2018-12-03 01:21:45,006 INFO L448 ceAbstractionStarter]: For program point L818(lines 818 826) no Hoare annotation was computed. [2018-12-03 01:21:45,006 INFO L444 ceAbstractionStarter]: At program point L816(line 816) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-12-03 01:21:45,006 INFO L448 ceAbstractionStarter]: For program point L816-1(line 816) no Hoare annotation was computed. [2018-12-03 01:21:45,006 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 831) no Hoare annotation was computed. [2018-12-03 01:21:45,006 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 1014 1021) no Hoare annotation was computed. [2018-12-03 01:21:45,006 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 1014 1021) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse0 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or .cse0 (or .cse2 .cse4 .cse3)) (or .cse0 .cse2 .cse5 .cse4) (or .cse1 .cse0 .cse2 .cse5))) [2018-12-03 01:21:45,006 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 1014 1021) no Hoare annotation was computed. [2018-12-03 01:21:45,006 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 581 592) no Hoare annotation was computed. [2018-12-03 01:21:45,006 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 581 592) no Hoare annotation was computed. [2018-12-03 01:21:45,007 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 581 592) the Hoare annotation is: (let ((.cse5 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (= ~waterLevel~0 2)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse8 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse5 .cse2 .cse3 .cse4 .cse6) (or .cse0 .cse7 .cse1 .cse2 .cse3 .cse8) (or .cse7 (or .cse1 .cse6) .cse2 .cse3 .cse8))) [2018-12-03 01:21:45,007 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 512 519) no Hoare annotation was computed. [2018-12-03 01:21:45,007 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 512 519) the Hoare annotation is: true [2018-12-03 01:21:45,007 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2018-12-03 01:21:45,007 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 512 519) no Hoare annotation was computed. [2018-12-03 01:21:45,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 01:21:45 BoogieIcfgContainer [2018-12-03 01:21:45,016 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 01:21:45,016 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 01:21:45,017 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 01:21:45,017 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 01:21:45,017 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:21:19" (3/4) ... [2018-12-03 01:21:45,020 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 01:21:45,024 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-03 01:21:45,024 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-03 01:21:45,024 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 01:21:45,024 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-03 01:21:45,024 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-03 01:21:45,024 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-03 01:21:45,024 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-03 01:21:45,024 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-03 01:21:45,024 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-03 01:21:45,024 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-03 01:21:45,024 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-03 01:21:45,025 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-03 01:21:45,025 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-03 01:21:45,025 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-03 01:21:45,025 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-03 01:21:45,025 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-03 01:21:45,025 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-03 01:21:45,025 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-03 01:21:45,025 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 01:21:45,025 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-03 01:21:45,025 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-03 01:21:45,025 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-03 01:21:45,025 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-03 01:21:45,025 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-03 01:21:45,025 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-03 01:21:45,025 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-03 01:21:45,025 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-03 01:21:45,026 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 01:21:45,026 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-03 01:21:45,026 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-03 01:21:45,026 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-03 01:21:45,030 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-03 01:21:45,030 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-03 01:21:45,031 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-03 01:21:45,031 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-03 01:21:45,032 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 01:21:45,032 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 01:21:45,049 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((((!(waterLevel == 1) && systemActive == 1) && !(pumpRunning == 0)) && splverifierCounter == 0) && !(waterLevel == 0)) && 1 <= methaneLevelCritical)) || ((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 01:21:45,049 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 01:21:45,082 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b3218769-7e7e-48a4-a142-a1a94a45a40c/bin-2019/utaipan/witness.graphml [2018-12-03 01:21:45,082 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 01:21:45,082 INFO L168 Benchmark]: Toolchain (without parser) took 26365.06 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -97.1 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-03 01:21:45,083 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:21:45,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -159.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-03 01:21:45,083 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-03 01:21:45,083 INFO L168 Benchmark]: Boogie Preprocessor took 22.40 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:21:45,083 INFO L168 Benchmark]: RCFGBuilder took 321.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. [2018-12-03 01:21:45,083 INFO L168 Benchmark]: TraceAbstraction took 25653.23 ms. Allocated memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -20.9 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-03 01:21:45,083 INFO L168 Benchmark]: Witness Printer took 65.40 ms. Allocated memory is still 2.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2018-12-03 01:21:45,085 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 276.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -159.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.40 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 321.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 25653.23 ms. Allocated memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -20.9 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 65.40 ms. Allocated memory is still 2.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 516]: 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: (((((((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((((!(waterLevel == 1) && systemActive == 1) && !(pumpRunning == 0)) && splverifierCounter == 0) && !(waterLevel == 0)) && 1 <= methaneLevelCritical)) || ((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 172 locations, 1 error locations. SAFE Result, 25.6s OverallTime, 12 OverallIterations, 6 TraceHistogramMax, 15.3s AutomataDifference, 0.0s DeadEndRemovalTime, 4.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 3011 SDtfs, 3043 SDslu, 11508 SDs, 0 SdLazy, 4942 SolverSat, 1852 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 983 GetRequests, 809 SyntacticMatches, 8 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1609 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2606occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.0s AbstIntTime, 3 AbstIntIterations, 2 AbstIntStrong, 0.9964021931660662 AbsIntWeakeningRatio, 0.8657718120805369 AbsIntAvgWeakeningVarsNumRemoved, 96.80872483221476 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 822 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 3630 PreInvPairs, 3874 NumberOfFragments, 3625 HoareAnnotationTreeSize, 3630 FomulaSimplifications, 14265 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 72 FomulaSimplificationsInter, 35927 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1564 NumberOfCodeBlocks, 1564 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1810 ConstructedInterpolants, 0 QuantifiedInterpolants, 422738 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1162 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 591/627 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...