./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_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_e11c31f9-ba4b-424f-8793-91cdd97368fc/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e11c31f9-ba4b-424f-8793-91cdd97368fc/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e11c31f9-ba4b-424f-8793-91cdd97368fc/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e11c31f9-ba4b-424f-8793-91cdd97368fc/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product62_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e11c31f9-ba4b-424f-8793-91cdd97368fc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e11c31f9-ba4b-424f-8793-91cdd97368fc/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 b53c74b3fbc69a335e393da17bbcb1aa5d3461be ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:03:17,865 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:03:17,866 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:03:17,872 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:03:17,872 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:03:17,873 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:03:17,874 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:03:17,875 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:03:17,876 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:03:17,876 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:03:17,876 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:03:17,877 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:03:17,877 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:03:17,877 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:03:17,878 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:03:17,878 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:03:17,879 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:03:17,880 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:03:17,881 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:03:17,882 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:03:17,882 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:03:17,883 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:03:17,884 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:03:17,884 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:03:17,884 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:03:17,885 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:03:17,885 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:03:17,886 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:03:17,886 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:03:17,887 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:03:17,887 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:03:17,887 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:03:17,887 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:03:17,888 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:03:17,888 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:03:17,889 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:03:17,889 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e11c31f9-ba4b-424f-8793-91cdd97368fc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 00:03:17,896 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:03:17,896 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:03:17,897 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:03:17,897 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:03:17,897 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 00:03:17,897 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 00:03:17,897 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 00:03:17,897 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 00:03:17,897 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 00:03:17,897 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 00:03:17,898 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 00:03:17,898 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 00:03:17,898 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 00:03:17,898 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:03:17,898 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:03:17,898 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:03:17,898 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:03:17,898 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:03:17,899 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:03:17,899 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:03:17,899 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:03:17,899 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:03:17,899 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:03:17,899 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:03:17,899 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:03:17,899 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:03:17,899 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:03:17,899 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:03:17,899 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:03:17,900 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:03:17,900 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:03:17,900 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:03:17,900 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 00:03:17,900 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:03:17,900 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:03:17,900 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 00:03:17,900 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_e11c31f9-ba4b-424f-8793-91cdd97368fc/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 -> b53c74b3fbc69a335e393da17bbcb1aa5d3461be [2018-12-09 00:03:17,917 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:03:17,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:03:17,925 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:03:17,926 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:03:17,927 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:03:17,927 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e11c31f9-ba4b-424f-8793-91cdd97368fc/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product62_true-unreach-call_false-termination.cil.c [2018-12-09 00:03:17,961 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e11c31f9-ba4b-424f-8793-91cdd97368fc/bin-2019/utaipan/data/f2da997df/9e6da6785aa942a899a23c780d86079c/FLAGf243a9883 [2018-12-09 00:03:18,341 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:03:18,341 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e11c31f9-ba4b-424f-8793-91cdd97368fc/sv-benchmarks/c/product-lines/minepump_spec3_product62_true-unreach-call_false-termination.cil.c [2018-12-09 00:03:18,347 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e11c31f9-ba4b-424f-8793-91cdd97368fc/bin-2019/utaipan/data/f2da997df/9e6da6785aa942a899a23c780d86079c/FLAGf243a9883 [2018-12-09 00:03:18,694 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e11c31f9-ba4b-424f-8793-91cdd97368fc/bin-2019/utaipan/data/f2da997df/9e6da6785aa942a899a23c780d86079c [2018-12-09 00:03:18,696 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:03:18,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:03:18,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:03:18,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:03:18,700 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:03:18,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:03:18" (1/1) ... [2018-12-09 00:03:18,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6952e9a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:18, skipping insertion in model container [2018-12-09 00:03:18,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:03:18" (1/1) ... [2018-12-09 00:03:18,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:03:18,726 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:03:18,874 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:03:18,882 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:03:18,966 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:03:18,983 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:03:18,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:18 WrapperNode [2018-12-09 00:03:18,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:03:18,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:03:18,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:03:18,984 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:03:18,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:18" (1/1) ... [2018-12-09 00:03:18,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:18" (1/1) ... [2018-12-09 00:03:19,005 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:03:19,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:03:19,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:03:19,005 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:03:19,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:18" (1/1) ... [2018-12-09 00:03:19,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:18" (1/1) ... [2018-12-09 00:03:19,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:18" (1/1) ... [2018-12-09 00:03:19,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:18" (1/1) ... [2018-12-09 00:03:19,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:18" (1/1) ... [2018-12-09 00:03:19,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:18" (1/1) ... [2018-12-09 00:03:19,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:18" (1/1) ... [2018-12-09 00:03:19,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:03:19,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:03:19,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:03:19,028 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:03:19,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e11c31f9-ba4b-424f-8793-91cdd97368fc/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 [2018-12-09 00:03:19,062 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 00:03:19,062 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 00:03:19,062 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:03:19,062 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:03:19,062 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 00:03:19,063 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 00:03:19,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:03:19,063 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 00:03:19,063 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 00:03:19,063 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 00:03:19,063 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 00:03:19,063 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 00:03:19,063 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 00:03:19,063 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 00:03:19,063 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 00:03:19,063 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 00:03:19,063 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 00:03:19,063 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 00:03:19,064 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 00:03:19,064 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 00:03:19,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 00:03:19,064 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 00:03:19,064 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 00:03:19,064 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 00:03:19,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 00:03:19,064 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 00:03:19,064 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 00:03:19,064 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 00:03:19,064 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 00:03:19,064 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 00:03:19,064 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 00:03:19,064 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 00:03:19,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 00:03:19,065 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 00:03:19,065 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 00:03:19,065 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 00:03:19,065 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 00:03:19,065 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 00:03:19,065 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 00:03:19,065 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 00:03:19,065 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 00:03:19,065 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 00:03:19,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 00:03:19,065 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 00:03:19,065 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 00:03:19,065 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 00:03:19,065 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 00:03:19,065 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 00:03:19,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 00:03:19,066 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 00:03:19,066 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 00:03:19,066 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 00:03:19,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 00:03:19,066 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 00:03:19,066 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 00:03:19,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 00:03:19,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:03:19,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:03:19,066 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 00:03:19,066 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 00:03:19,066 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-09 00:03:19,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-09 00:03:19,066 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 00:03:19,066 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 00:03:19,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:03:19,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:03:19,403 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:03:19,403 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 00:03:19,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:03:19 BoogieIcfgContainer [2018-12-09 00:03:19,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:03:19,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:03:19,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:03:19,405 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:03:19,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:03:18" (1/3) ... [2018-12-09 00:03:19,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1dadc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:03:19, skipping insertion in model container [2018-12-09 00:03:19,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:18" (2/3) ... [2018-12-09 00:03:19,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1dadc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:03:19, skipping insertion in model container [2018-12-09 00:03:19,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:03:19" (3/3) ... [2018-12-09 00:03:19,407 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product62_true-unreach-call_false-termination.cil.c [2018-12-09 00:03:19,413 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:03:19,418 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 00:03:19,429 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 00:03:19,448 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:03:19,448 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:03:19,448 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:03:19,448 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:03:19,448 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:03:19,448 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:03:19,448 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:03:19,448 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:03:19,460 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2018-12-09 00:03:19,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 00:03:19,466 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:19,466 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] [2018-12-09 00:03:19,467 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:19,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:19,471 INFO L82 PathProgramCache]: Analyzing trace with hash -497022840, now seen corresponding path program 1 times [2018-12-09 00:03:19,472 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:03:19,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:19,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:19,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:19,501 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:03:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:19,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:19,613 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:03:19,614 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 00:03:19,614 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:03:19,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 00:03:19,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 00:03:19,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 00:03:19,626 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 2 states. [2018-12-09 00:03:19,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:19,651 INFO L93 Difference]: Finished difference Result 320 states and 397 transitions. [2018-12-09 00:03:19,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 00:03:19,652 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-09 00:03:19,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:19,659 INFO L225 Difference]: With dead ends: 320 [2018-12-09 00:03:19,659 INFO L226 Difference]: Without dead ends: 160 [2018-12-09 00:03:19,661 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 [2018-12-09 00:03:19,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-12-09 00:03:19,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-12-09 00:03:19,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-12-09 00:03:19,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 190 transitions. [2018-12-09 00:03:19,693 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 190 transitions. Word has length 52 [2018-12-09 00:03:19,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:19,693 INFO L480 AbstractCegarLoop]: Abstraction has 160 states and 190 transitions. [2018-12-09 00:03:19,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 00:03:19,693 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 190 transitions. [2018-12-09 00:03:19,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 00:03:19,695 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:19,695 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:03:19,695 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:19,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:19,696 INFO L82 PathProgramCache]: Analyzing trace with hash 2120666563, now seen corresponding path program 1 times [2018-12-09 00:03:19,696 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:03:19,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:19,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:19,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:19,697 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:03:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:19,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:19,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:03:19,749 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:03:19,749 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:03:19,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 00:03:19,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:03:19,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:03:19,751 INFO L87 Difference]: Start difference. First operand 160 states and 190 transitions. Second operand 3 states. [2018-12-09 00:03:19,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:19,770 INFO L93 Difference]: Finished difference Result 265 states and 315 transitions. [2018-12-09 00:03:19,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:03:19,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-09 00:03:19,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:19,772 INFO L225 Difference]: With dead ends: 265 [2018-12-09 00:03:19,772 INFO L226 Difference]: Without dead ends: 151 [2018-12-09 00:03:19,773 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 [2018-12-09 00:03:19,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-12-09 00:03:19,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-12-09 00:03:19,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-12-09 00:03:19,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 178 transitions. [2018-12-09 00:03:19,782 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 178 transitions. Word has length 53 [2018-12-09 00:03:19,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:19,782 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 178 transitions. [2018-12-09 00:03:19,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 00:03:19,782 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 178 transitions. [2018-12-09 00:03:19,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 00:03:19,783 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:19,783 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] [2018-12-09 00:03:19,783 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:19,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:19,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1417953152, now seen corresponding path program 1 times [2018-12-09 00:03:19,784 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:03:19,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:19,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:19,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:19,784 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:03:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:19,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:19,858 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:03:19,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:03:19,858 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:03:19,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 00:03:19,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:03:19,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:03:19,859 INFO L87 Difference]: Start difference. First operand 151 states and 178 transitions. Second operand 3 states. [2018-12-09 00:03:19,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:19,872 INFO L93 Difference]: Finished difference Result 278 states and 333 transitions. [2018-12-09 00:03:19,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:03:19,873 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-12-09 00:03:19,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:19,874 INFO L225 Difference]: With dead ends: 278 [2018-12-09 00:03:19,874 INFO L226 Difference]: Without dead ends: 151 [2018-12-09 00:03:19,875 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:03:19,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-12-09 00:03:19,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-12-09 00:03:19,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-12-09 00:03:19,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 177 transitions. [2018-12-09 00:03:19,883 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 177 transitions. Word has length 58 [2018-12-09 00:03:19,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:19,883 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 177 transitions. [2018-12-09 00:03:19,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 00:03:19,883 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 177 transitions. [2018-12-09 00:03:19,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 00:03:19,884 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:19,884 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] [2018-12-09 00:03:19,884 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:19,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:19,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1963241690, now seen corresponding path program 1 times [2018-12-09 00:03:19,885 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:03:19,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:19,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:19,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:19,886 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:03:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:19,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:19,940 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:03:19,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 00:03:19,941 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:03:19,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 00:03:19,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 00:03:19,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 00:03:19,941 INFO L87 Difference]: Start difference. First operand 151 states and 177 transitions. Second operand 5 states. [2018-12-09 00:03:20,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:20,320 INFO L93 Difference]: Finished difference Result 404 states and 488 transitions. [2018-12-09 00:03:20,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:03:20,321 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2018-12-09 00:03:20,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:20,323 INFO L225 Difference]: With dead ends: 404 [2018-12-09 00:03:20,323 INFO L226 Difference]: Without dead ends: 277 [2018-12-09 00:03:20,325 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 [2018-12-09 00:03:20,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-12-09 00:03:20,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 258. [2018-12-09 00:03:20,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2018-12-09 00:03:20,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 293 transitions. [2018-12-09 00:03:20,348 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 293 transitions. Word has length 76 [2018-12-09 00:03:20,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:20,348 INFO L480 AbstractCegarLoop]: Abstraction has 258 states and 293 transitions. [2018-12-09 00:03:20,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 00:03:20,348 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 293 transitions. [2018-12-09 00:03:20,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-09 00:03:20,349 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:20,349 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] [2018-12-09 00:03:20,350 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:20,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:20,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1316182276, now seen corresponding path program 1 times [2018-12-09 00:03:20,350 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:03:20,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:20,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:20,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:20,351 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:03:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:20,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:20,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:03:20,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 00:03:20,412 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:03:20,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 00:03:20,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 00:03:20,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 00:03:20,413 INFO L87 Difference]: Start difference. First operand 258 states and 293 transitions. Second operand 8 states. [2018-12-09 00:03:20,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:20,446 INFO L93 Difference]: Finished difference Result 499 states and 581 transitions. [2018-12-09 00:03:20,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:03:20,447 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 90 [2018-12-09 00:03:20,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:20,449 INFO L225 Difference]: With dead ends: 499 [2018-12-09 00:03:20,449 INFO L226 Difference]: Without dead ends: 265 [2018-12-09 00:03:20,450 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 [2018-12-09 00:03:20,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-12-09 00:03:20,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 262. [2018-12-09 00:03:20,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2018-12-09 00:03:20,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 297 transitions. [2018-12-09 00:03:20,464 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 297 transitions. Word has length 90 [2018-12-09 00:03:20,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:20,464 INFO L480 AbstractCegarLoop]: Abstraction has 262 states and 297 transitions. [2018-12-09 00:03:20,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 00:03:20,464 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 297 transitions. [2018-12-09 00:03:20,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-09 00:03:20,465 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:20,465 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] [2018-12-09 00:03:20,465 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:20,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:20,466 INFO L82 PathProgramCache]: Analyzing trace with hash -1975713798, now seen corresponding path program 1 times [2018-12-09 00:03:20,466 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:03:20,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:20,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:20,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:20,467 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:03:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:20,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:20,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:03:20,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 00:03:20,531 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:03:20,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:03:20,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:03:20,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:03:20,532 INFO L87 Difference]: Start difference. First operand 262 states and 297 transitions. Second operand 6 states. [2018-12-09 00:03:20,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:20,666 INFO L93 Difference]: Finished difference Result 641 states and 759 transitions. [2018-12-09 00:03:20,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:03:20,666 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2018-12-09 00:03:20,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:20,668 INFO L225 Difference]: With dead ends: 641 [2018-12-09 00:03:20,668 INFO L226 Difference]: Without dead ends: 403 [2018-12-09 00:03:20,669 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 00:03:20,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-12-09 00:03:20,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 399. [2018-12-09 00:03:20,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2018-12-09 00:03:20,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 457 transitions. [2018-12-09 00:03:20,685 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 457 transitions. Word has length 90 [2018-12-09 00:03:20,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:20,685 INFO L480 AbstractCegarLoop]: Abstraction has 399 states and 457 transitions. [2018-12-09 00:03:20,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:03:20,685 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 457 transitions. [2018-12-09 00:03:20,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 00:03:20,686 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:20,686 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:03:20,687 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:20,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:20,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1060378356, now seen corresponding path program 1 times [2018-12-09 00:03:20,687 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:03:20,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:20,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:20,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:20,688 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:03:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:20,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:20,758 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:03:20,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 00:03:20,758 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:03:20,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:03:20,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:03:20,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:03:20,759 INFO L87 Difference]: Start difference. First operand 399 states and 457 transitions. Second operand 6 states. [2018-12-09 00:03:20,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:20,904 INFO L93 Difference]: Finished difference Result 866 states and 1030 transitions. [2018-12-09 00:03:20,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:03:20,905 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-12-09 00:03:20,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:20,908 INFO L225 Difference]: With dead ends: 866 [2018-12-09 00:03:20,908 INFO L226 Difference]: Without dead ends: 628 [2018-12-09 00:03:20,909 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 00:03:20,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2018-12-09 00:03:20,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 610. [2018-12-09 00:03:20,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2018-12-09 00:03:20,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 715 transitions. [2018-12-09 00:03:20,944 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 715 transitions. Word has length 94 [2018-12-09 00:03:20,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:20,945 INFO L480 AbstractCegarLoop]: Abstraction has 610 states and 715 transitions. [2018-12-09 00:03:20,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:03:20,945 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 715 transitions. [2018-12-09 00:03:20,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 00:03:20,946 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:20,946 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:03:20,946 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:20,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:20,947 INFO L82 PathProgramCache]: Analyzing trace with hash -215750409, now seen corresponding path program 1 times [2018-12-09 00:03:20,947 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:03:20,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:20,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:20,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:20,948 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:03:20,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:21,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:21,008 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:03:21,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 00:03:21,008 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:03:21,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 00:03:21,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 00:03:21,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 00:03:21,009 INFO L87 Difference]: Start difference. First operand 610 states and 715 transitions. Second operand 9 states. [2018-12-09 00:03:21,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:21,052 INFO L93 Difference]: Finished difference Result 1079 states and 1282 transitions. [2018-12-09 00:03:21,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 00:03:21,053 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2018-12-09 00:03:21,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:21,055 INFO L225 Difference]: With dead ends: 1079 [2018-12-09 00:03:21,055 INFO L226 Difference]: Without dead ends: 630 [2018-12-09 00:03:21,056 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:03:21,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2018-12-09 00:03:21,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 625. [2018-12-09 00:03:21,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2018-12-09 00:03:21,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 732 transitions. [2018-12-09 00:03:21,075 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 732 transitions. Word has length 94 [2018-12-09 00:03:21,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:21,075 INFO L480 AbstractCegarLoop]: Abstraction has 625 states and 732 transitions. [2018-12-09 00:03:21,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 00:03:21,075 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 732 transitions. [2018-12-09 00:03:21,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 00:03:21,076 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:21,076 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:03:21,076 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:21,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:21,076 INFO L82 PathProgramCache]: Analyzing trace with hash -875281931, now seen corresponding path program 1 times [2018-12-09 00:03:21,076 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:03:21,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:21,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:21,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:21,077 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:03:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:21,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:21,105 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:03:21,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 00:03:21,105 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:03:21,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 00:03:21,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 00:03:21,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 00:03:21,106 INFO L87 Difference]: Start difference. First operand 625 states and 732 transitions. Second operand 5 states. [2018-12-09 00:03:21,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:21,146 INFO L93 Difference]: Finished difference Result 1081 states and 1293 transitions. [2018-12-09 00:03:21,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 00:03:21,146 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2018-12-09 00:03:21,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:21,149 INFO L225 Difference]: With dead ends: 1081 [2018-12-09 00:03:21,149 INFO L226 Difference]: Without dead ends: 617 [2018-12-09 00:03:21,150 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 00:03:21,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2018-12-09 00:03:21,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 617. [2018-12-09 00:03:21,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2018-12-09 00:03:21,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 721 transitions. [2018-12-09 00:03:21,180 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 721 transitions. Word has length 94 [2018-12-09 00:03:21,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:21,181 INFO L480 AbstractCegarLoop]: Abstraction has 617 states and 721 transitions. [2018-12-09 00:03:21,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 00:03:21,181 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 721 transitions. [2018-12-09 00:03:21,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-09 00:03:21,183 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:21,183 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] [2018-12-09 00:03:21,183 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:21,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:21,183 INFO L82 PathProgramCache]: Analyzing trace with hash 485334592, now seen corresponding path program 1 times [2018-12-09 00:03:21,183 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:03:21,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:21,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:21,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:21,184 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:03:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:21,267 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 00:03:21,267 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:03:21,267 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:03:21,268 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 107 with the following transitions: [2018-12-09 00:03:21,269 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [53], [55], [56], [59], [74], [77], [78], [82], [83], [85], [94], [98], [102], [105], [110], [116], [118], [124], [129], [141], [142], [143], [145], [148], [153], [154], [156], [161], [163], [164], [165], [166], [205], [209], [216], [217], [218], [220], [225], [227], [230], [232], [237], [251], [257], [260], [262], [265], [275], [278], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [302], [303], [306], [308], [309], [316], [317], [318], [319], [324], [328], [329], [332], [333], [340], [341], [342], [344], [345], [346], [347], [348], [349], [350], [352], [353], [354], [356], [357], [358], [359] [2018-12-09 00:03:21,300 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:03:21,300 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:03:21,591 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 00:03:21,592 INFO L272 AbstractInterpreter]: Visited 104 different actions 106 times. Never merged. Never widened. Performed 3256 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3256 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-09 00:03:21,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:21,598 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 00:03:21,598 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:03:21,598 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e11c31f9-ba4b-424f-8793-91cdd97368fc/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 [2018-12-09 00:03:21,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:21,607 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 00:03:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:21,688 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:03:21,772 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:21,772 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 00:03:22,071 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 00:03:22,099 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 00:03:22,099 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2018-12-09 00:03:22,099 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:03:22,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 00:03:22,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 00:03:22,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-12-09 00:03:22,100 INFO L87 Difference]: Start difference. First operand 617 states and 721 transitions. Second operand 8 states. [2018-12-09 00:03:22,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:22,383 INFO L93 Difference]: Finished difference Result 1786 states and 2132 transitions. [2018-12-09 00:03:22,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:03:22,383 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 106 [2018-12-09 00:03:22,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:22,387 INFO L225 Difference]: With dead ends: 1786 [2018-12-09 00:03:22,387 INFO L226 Difference]: Without dead ends: 1193 [2018-12-09 00:03:22,388 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 199 SyntacticMatches, 7 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-12-09 00:03:22,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2018-12-09 00:03:22,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1190. [2018-12-09 00:03:22,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1190 states. [2018-12-09 00:03:22,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1393 transitions. [2018-12-09 00:03:22,423 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1393 transitions. Word has length 106 [2018-12-09 00:03:22,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:22,423 INFO L480 AbstractCegarLoop]: Abstraction has 1190 states and 1393 transitions. [2018-12-09 00:03:22,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 00:03:22,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1393 transitions. [2018-12-09 00:03:22,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-09 00:03:22,424 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:22,424 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] [2018-12-09 00:03:22,424 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:22,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:22,425 INFO L82 PathProgramCache]: Analyzing trace with hash 2000788636, now seen corresponding path program 1 times [2018-12-09 00:03:22,425 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:03:22,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:22,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:22,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:22,425 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:03:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:22,496 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 00:03:22,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:03:22,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 00:03:22,496 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:03:22,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 00:03:22,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 00:03:22,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:03:22,497 INFO L87 Difference]: Start difference. First operand 1190 states and 1393 transitions. Second operand 10 states. [2018-12-09 00:03:22,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:22,666 INFO L93 Difference]: Finished difference Result 2306 states and 2743 transitions. [2018-12-09 00:03:22,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 00:03:22,667 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2018-12-09 00:03:22,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:22,669 INFO L225 Difference]: With dead ends: 2306 [2018-12-09 00:03:22,670 INFO L226 Difference]: Without dead ends: 1140 [2018-12-09 00:03:22,671 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-09 00:03:22,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2018-12-09 00:03:22,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 1124. [2018-12-09 00:03:22,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2018-12-09 00:03:22,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1301 transitions. [2018-12-09 00:03:22,699 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1301 transitions. Word has length 110 [2018-12-09 00:03:22,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:22,699 INFO L480 AbstractCegarLoop]: Abstraction has 1124 states and 1301 transitions. [2018-12-09 00:03:22,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 00:03:22,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1301 transitions. [2018-12-09 00:03:22,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-09 00:03:22,700 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:22,701 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] [2018-12-09 00:03:22,701 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:22,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:22,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1098500354, now seen corresponding path program 1 times [2018-12-09 00:03:22,701 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:03:22,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:22,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:22,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:22,702 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:03:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:22,770 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:03:22,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:03:22,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 00:03:22,771 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:03:22,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 00:03:22,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 00:03:22,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:03:22,771 INFO L87 Difference]: Start difference. First operand 1124 states and 1301 transitions. Second operand 10 states. [2018-12-09 00:03:22,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:22,908 INFO L93 Difference]: Finished difference Result 2230 states and 2584 transitions. [2018-12-09 00:03:22,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 00:03:22,908 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2018-12-09 00:03:22,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:22,911 INFO L225 Difference]: With dead ends: 2230 [2018-12-09 00:03:22,911 INFO L226 Difference]: Without dead ends: 1130 [2018-12-09 00:03:22,912 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-09 00:03:22,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2018-12-09 00:03:22,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 1094. [2018-12-09 00:03:22,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1094 states. [2018-12-09 00:03:22,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1234 transitions. [2018-12-09 00:03:22,939 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1234 transitions. Word has length 110 [2018-12-09 00:03:22,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:22,940 INFO L480 AbstractCegarLoop]: Abstraction has 1094 states and 1234 transitions. [2018-12-09 00:03:22,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 00:03:22,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1234 transitions. [2018-12-09 00:03:22,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-09 00:03:22,942 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:22,942 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:03:22,942 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:22,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:22,942 INFO L82 PathProgramCache]: Analyzing trace with hash -451424858, now seen corresponding path program 1 times [2018-12-09 00:03:22,942 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:03:22,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:22,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:22,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:22,943 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:03:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:22,998 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 00:03:22,999 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:03:22,999 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:03:22,999 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 159 with the following transitions: [2018-12-09 00:03:22,999 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [53], [55], [56], [57], [58], [59], [62], [64], [67], [74], [77], [78], [81], [83], [85], [94], [98], [102], [105], [108], [110], [116], [118], [124], [129], [137], [138], [141], [142], [143], [145], [150], [153], [154], [156], [159], [163], [164], [165], [166], [202], [205], [209], [215], [216], [217], [218], [220], [223], [225], [227], [230], [232], [237], [243], [246], [250], [251], [257], [260], [262], [265], [275], [278], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [302], [303], [306], [308], [309], [310], [311], [312], [313], [316], [317], [318], [319], [324], [325], [328], [329], [330], [331], [332], [333], [338], [339], [340], [341], [342], [343], [344], [345], [346], [347], [348], [349], [350], [352], [353], [354], [356], [357], [358], [359] [2018-12-09 00:03:23,002 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:03:23,002 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:03:24,540 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 00:03:24,540 INFO L272 AbstractInterpreter]: Visited 128 different actions 958 times. Merged at 19 different actions 73 times. Never widened. Performed 39641 root evaluator evaluations with a maximum evaluation depth of 3. Performed 39641 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 13 fixpoints after 4 different actions. Largest state had 133 variables. [2018-12-09 00:03:24,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:24,542 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 00:03:24,542 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:03:24,542 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e11c31f9-ba4b-424f-8793-91cdd97368fc/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 00:03:24,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:24,548 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 00:03:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:24,611 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:03:24,683 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 00:03:24,683 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 00:03:24,906 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 00:03:24,921 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 00:03:24,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6, 9] total 16 [2018-12-09 00:03:24,922 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:03:24,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 00:03:24,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 00:03:24,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2018-12-09 00:03:24,922 INFO L87 Difference]: Start difference. First operand 1094 states and 1234 transitions. Second operand 8 states. [2018-12-09 00:03:25,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:25,667 INFO L93 Difference]: Finished difference Result 2907 states and 3528 transitions. [2018-12-09 00:03:25,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 00:03:25,668 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 158 [2018-12-09 00:03:25,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:25,674 INFO L225 Difference]: With dead ends: 2907 [2018-12-09 00:03:25,674 INFO L226 Difference]: Without dead ends: 2097 [2018-12-09 00:03:25,677 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 305 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2018-12-09 00:03:25,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2097 states. [2018-12-09 00:03:25,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2097 to 1910. [2018-12-09 00:03:25,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1910 states. [2018-12-09 00:03:25,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 1910 states and 2200 transitions. [2018-12-09 00:03:25,741 INFO L78 Accepts]: Start accepts. Automaton has 1910 states and 2200 transitions. Word has length 158 [2018-12-09 00:03:25,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:25,741 INFO L480 AbstractCegarLoop]: Abstraction has 1910 states and 2200 transitions. [2018-12-09 00:03:25,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 00:03:25,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 2200 transitions. [2018-12-09 00:03:25,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-09 00:03:25,743 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:25,744 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:03:25,744 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:25,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:25,744 INFO L82 PathProgramCache]: Analyzing trace with hash 114656940, now seen corresponding path program 1 times [2018-12-09 00:03:25,744 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:03:25,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:25,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:25,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:25,745 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:03:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:25,796 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 00:03:25,796 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:03:25,797 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:03:25,797 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-12-09 00:03:25,797 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [53], [55], [56], [57], [58], [59], [62], [64], [67], [74], [77], [78], [81], [83], [85], [94], [98], [102], [108], [110], [116], [118], [124], [129], [137], [138], [141], [142], [143], [145], [150], [153], [154], [156], [159], [163], [164], [165], [166], [202], [205], [209], [215], [216], [217], [218], [220], [223], [225], [227], [230], [232], [237], [243], [246], [250], [251], [257], [260], [262], [265], [275], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [302], [303], [306], [308], [309], [310], [311], [312], [313], [316], [317], [324], [325], [328], [329], [330], [331], [332], [333], [338], [339], [340], [341], [342], [343], [344], [345], [346], [347], [348], [349], [350], [352], [353], [354], [356], [357], [358], [359] [2018-12-09 00:03:25,800 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:03:25,800 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:03:26,446 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 00:03:26,446 INFO L272 AbstractInterpreter]: Visited 123 different actions 510 times. Merged at 17 different actions 35 times. Never widened. Performed 19751 root evaluator evaluations with a maximum evaluation depth of 3. Performed 19751 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 133 variables. [2018-12-09 00:03:26,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:26,451 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 00:03:26,451 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:03:26,451 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e11c31f9-ba4b-424f-8793-91cdd97368fc/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 00:03:26,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:26,457 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 00:03:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:26,527 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:03:26,592 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 00:03:26,592 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 00:03:26,770 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-09 00:03:26,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 00:03:26,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6, 9] total 19 [2018-12-09 00:03:26,786 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:03:26,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 00:03:26,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 00:03:26,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2018-12-09 00:03:26,787 INFO L87 Difference]: Start difference. First operand 1910 states and 2200 transitions. Second operand 9 states. [2018-12-09 00:03:27,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:27,102 INFO L93 Difference]: Finished difference Result 3665 states and 4312 transitions. [2018-12-09 00:03:27,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 00:03:27,102 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 154 [2018-12-09 00:03:27,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:27,103 INFO L225 Difference]: With dead ends: 3665 [2018-12-09 00:03:27,103 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 00:03:27,107 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 296 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2018-12-09 00:03:27,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 00:03:27,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 00:03:27,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 00:03:27,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 00:03:27,108 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 154 [2018-12-09 00:03:27,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:27,108 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 00:03:27,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 00:03:27,108 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 00:03:27,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:03:27,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 00:03:27,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:27,873 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 27 [2018-12-09 00:03:28,014 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 25 [2018-12-09 00:03:28,334 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 51 [2018-12-09 00:03:28,759 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 28 [2018-12-09 00:03:29,005 WARN L180 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 47 [2018-12-09 00:03:29,159 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 36 [2018-12-09 00:03:29,340 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 28 [2018-12-09 00:03:29,657 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 41 [2018-12-09 00:03:30,820 WARN L180 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 52 [2018-12-09 00:03:31,115 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 21 [2018-12-09 00:03:31,318 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 27 [2018-12-09 00:03:32,077 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 38 [2018-12-09 00:03:32,297 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 582 588) the Hoare annotation is: true [2018-12-09 00:03:32,297 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 582 588) no Hoare annotation was computed. [2018-12-09 00:03:32,297 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 589 597) no Hoare annotation was computed. [2018-12-09 00:03:32,297 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 589 597) the Hoare annotation is: true [2018-12-09 00:03:32,297 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 589 597) no Hoare annotation was computed. [2018-12-09 00:03:32,297 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 992 1014) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:03:32,297 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 992 1014) no Hoare annotation was computed. [2018-12-09 00:03:32,297 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 992 1014) no Hoare annotation was computed. [2018-12-09 00:03:32,298 INFO L444 ceAbstractionStarter]: At program point L1004(line 1004) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~11 1) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 00:03:32,298 INFO L444 ceAbstractionStarter]: At program point L1004-1(line 1004) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~11 1) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 00:03:32,298 INFO L448 ceAbstractionStarter]: For program point L1002(lines 1002 1009) no Hoare annotation was computed. [2018-12-09 00:03:32,298 INFO L448 ceAbstractionStarter]: For program point L1002-1(lines 1002 1009) no Hoare annotation was computed. [2018-12-09 00:03:32,298 INFO L448 ceAbstractionStarter]: For program point L1000(line 1000) no Hoare annotation was computed. [2018-12-09 00:03:32,298 INFO L444 ceAbstractionStarter]: At program point L999(line 999) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:03:32,298 INFO L444 ceAbstractionStarter]: At program point L998(line 998) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:03:32,298 INFO L444 ceAbstractionStarter]: At program point L998-1(line 998) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:03:32,298 INFO L448 ceAbstractionStarter]: For program point L673(lines 673 681) no Hoare annotation was computed. [2018-12-09 00:03:32,298 INFO L444 ceAbstractionStarter]: At program point L671(line 671) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse7 (<= 3 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7) (or .cse5 .cse0 .cse3 .cse1 .cse2) (or .cse6 .cse1 .cse7 .cse4))) [2018-12-09 00:03:32,298 INFO L448 ceAbstractionStarter]: For program point L671-1(line 671) no Hoare annotation was computed. [2018-12-09 00:03:32,298 INFO L448 ceAbstractionStarter]: For program point L669(lines 669 686) no Hoare annotation was computed. [2018-12-09 00:03:32,298 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 665 689) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (<= 3 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse1 .cse6 .cse4) (or .cse7 .cse5 .cse1 .cse3 .cse6) (or .cse7 .cse0 .cse3 .cse1 .cse2))) [2018-12-09 00:03:32,298 INFO L444 ceAbstractionStarter]: At program point L684(line 684) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (<= 3 ~waterLevel~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse6 .cse7) (or .cse0 .cse4 .cse2 .cse5 .cse6) (or .cse1 .cse2 .cse3 .cse7))) [2018-12-09 00:03:32,298 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 665 689) no Hoare annotation was computed. [2018-12-09 00:03:32,298 INFO L448 ceAbstractionStarter]: For program point L684-1(lines 665 689) no Hoare annotation was computed. [2018-12-09 00:03:32,299 INFO L444 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse7 (<= 3 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7) (or .cse5 .cse0 .cse3 .cse1 .cse2) (or .cse6 .cse1 .cse7 .cse4))) [2018-12-09 00:03:32,299 INFO L444 ceAbstractionStarter]: At program point L675(line 675) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse7 (<= 3 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7) (or .cse5 .cse0 .cse3 .cse1 .cse2) (or .cse6 .cse1 .cse7 .cse4))) [2018-12-09 00:03:32,299 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 760 768) no Hoare annotation was computed. [2018-12-09 00:03:32,299 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 760 768) the Hoare annotation is: true [2018-12-09 00:03:32,299 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 760 768) no Hoare annotation was computed. [2018-12-09 00:03:32,299 INFO L448 ceAbstractionStarter]: For program point L833(lines 833 837) no Hoare annotation was computed. [2018-12-09 00:03:32,299 INFO L451 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: true [2018-12-09 00:03:32,299 INFO L448 ceAbstractionStarter]: For program point L833-2(lines 833 837) no Hoare annotation was computed. [2018-12-09 00:03:32,299 INFO L448 ceAbstractionStarter]: For program point L831-1(line 831) no Hoare annotation was computed. [2018-12-09 00:03:32,299 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 824 842) the Hoare annotation is: true [2018-12-09 00:03:32,299 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 824 842) no Hoare annotation was computed. [2018-12-09 00:03:32,299 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 824 842) no Hoare annotation was computed. [2018-12-09 00:03:32,299 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 575 581) no Hoare annotation was computed. [2018-12-09 00:03:32,299 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 575 581) the Hoare annotation is: true [2018-12-09 00:03:32,299 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 982 991) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:03:32,299 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 982 991) no Hoare annotation was computed. [2018-12-09 00:03:32,299 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 982 991) no Hoare annotation was computed. [2018-12-09 00:03:32,299 INFO L448 ceAbstractionStarter]: For program point L754-1(line 754) no Hoare annotation was computed. [2018-12-09 00:03:32,299 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 749 759) the Hoare annotation is: true [2018-12-09 00:03:32,299 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 749 759) no Hoare annotation was computed. [2018-12-09 00:03:32,299 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 749 759) no Hoare annotation was computed. [2018-12-09 00:03:32,299 INFO L451 ceAbstractionStarter]: At program point L754(line 754) the Hoare annotation is: true [2018-12-09 00:03:32,300 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 741 748) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse3 .cse1 .cse2))) [2018-12-09 00:03:32,300 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 741 748) no Hoare annotation was computed. [2018-12-09 00:03:32,300 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 741 748) no Hoare annotation was computed. [2018-12-09 00:03:32,300 INFO L444 ceAbstractionStarter]: At program point L705(line 705) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse7 (<= 3 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7) (or .cse5 .cse0 .cse3 .cse1 .cse2) (or .cse6 .cse1 .cse7 .cse4))) [2018-12-09 00:03:32,300 INFO L444 ceAbstractionStarter]: At program point L701(line 701) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse7 (<= 3 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7) (or .cse5 .cse0 .cse3 .cse1 .cse2) (or .cse6 .cse1 .cse7 .cse4))) [2018-12-09 00:03:32,300 INFO L448 ceAbstractionStarter]: For program point L699(lines 699 707) no Hoare annotation was computed. [2018-12-09 00:03:32,300 INFO L444 ceAbstractionStarter]: At program point L697(line 697) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse7 (<= 3 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7) (or .cse5 .cse0 .cse3 .cse1 .cse2) (or .cse6 .cse1 .cse7 .cse4))) [2018-12-09 00:03:32,300 INFO L448 ceAbstractionStarter]: For program point L697-1(line 697) no Hoare annotation was computed. [2018-12-09 00:03:32,300 INFO L448 ceAbstractionStarter]: For program point L695(lines 695 712) no Hoare annotation was computed. [2018-12-09 00:03:32,300 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 691 715) no Hoare annotation was computed. [2018-12-09 00:03:32,300 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 691 715) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (<= 3 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse1 .cse6 .cse4) (or .cse7 .cse5 .cse1 .cse3 .cse6) (or .cse7 .cse0 .cse3 .cse1 .cse2))) [2018-12-09 00:03:32,300 INFO L444 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (<= 3 ~waterLevel~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse6 .cse7) (or .cse0 .cse4 .cse2 .cse5 .cse6) (or .cse1 .cse2 .cse3 .cse7))) [2018-12-09 00:03:32,300 INFO L448 ceAbstractionStarter]: For program point L710-1(lines 691 715) no Hoare annotation was computed. [2018-12-09 00:03:32,300 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 547) no Hoare annotation was computed. [2018-12-09 00:03:32,300 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 537 550) no Hoare annotation was computed. [2018-12-09 00:03:32,300 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 537 550) the Hoare annotation is: true [2018-12-09 00:03:32,300 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 537 550) no Hoare annotation was computed. [2018-12-09 00:03:32,300 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 631 637) no Hoare annotation was computed. [2018-12-09 00:03:32,300 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 631 637) the Hoare annotation is: true [2018-12-09 00:03:32,301 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 869) no Hoare annotation was computed. [2018-12-09 00:03:32,301 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 853 918) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:03:32,301 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 853 918) no Hoare annotation was computed. [2018-12-09 00:03:32,301 INFO L444 ceAbstractionStarter]: At program point L911(lines 862 912) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:03:32,301 INFO L448 ceAbstractionStarter]: For program point L901(lines 901 905) no Hoare annotation was computed. [2018-12-09 00:03:32,301 INFO L444 ceAbstractionStarter]: At program point L901-2(lines 893 906) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 0))) (.cse2 (< ~waterLevel~0 3)) (.cse4 (= test_~splverifierCounter~0 0))) (or (= |old(~systemActive~0)| 0) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse6 .cse4) (and .cse1 .cse2 .cse3 .cse6 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 00:03:32,301 INFO L448 ceAbstractionStarter]: For program point L864(lines 863 910) no Hoare annotation was computed. [2018-12-09 00:03:32,301 INFO L444 ceAbstractionStarter]: At program point L895(line 895) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 0))) (.cse2 (< ~waterLevel~0 3)) (.cse4 (= test_~splverifierCounter~0 0))) (or (= |old(~systemActive~0)| 0) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse6 .cse4) (and .cse1 .cse2 .cse3 .cse6 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 00:03:32,301 INFO L448 ceAbstractionStarter]: For program point L893(lines 893 906) no Hoare annotation was computed. [2018-12-09 00:03:32,301 INFO L444 ceAbstractionStarter]: At program point L885(line 885) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 0))) (.cse2 (< ~waterLevel~0 3)) (.cse4 (= test_~splverifierCounter~0 0))) (or (= |old(~systemActive~0)| 0) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse6 .cse4) (and .cse1 .cse2 .cse3 .cse6 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 00:03:32,301 INFO L448 ceAbstractionStarter]: For program point L883(lines 883 889) no Hoare annotation was computed. [2018-12-09 00:03:32,302 INFO L448 ceAbstractionStarter]: For program point L883-1(lines 883 889) no Hoare annotation was computed. [2018-12-09 00:03:32,302 INFO L444 ceAbstractionStarter]: At program point L908(lines 863 910) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse4 (< ~waterLevel~0 3)) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and (and .cse0 .cse1 .cse2 .cse3) (<= ~waterLevel~0 1)) (and .cse1 .cse2 .cse4 .cse5 .cse3) (= |old(~systemActive~0)| 0) (and .cse2 .cse4 .cse6 .cse5 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 .cse4 .cse6 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 00:03:32,302 INFO L444 ceAbstractionStarter]: At program point L875(line 875) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= ~systemActive~0 0))) (.cse2 (< ~waterLevel~0 3)) (.cse6 (= ~pumpRunning~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (= |old(~systemActive~0)| 0) (and (and .cse5 .cse0 .cse1 .cse4) (<= ~waterLevel~0 1)) (and .cse1 .cse2 .cse6 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse1 .cse2 .cse6 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 00:03:32,302 INFO L448 ceAbstractionStarter]: For program point L873(lines 873 879) no Hoare annotation was computed. [2018-12-09 00:03:32,302 INFO L448 ceAbstractionStarter]: For program point L873-1(lines 873 879) no Hoare annotation was computed. [2018-12-09 00:03:32,302 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 853 918) no Hoare annotation was computed. [2018-12-09 00:03:32,302 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 716 723) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (<= 3 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2))) [2018-12-09 00:03:32,302 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 716 723) no Hoare annotation was computed. [2018-12-09 00:03:32,302 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 716 723) no Hoare annotation was computed. [2018-12-09 00:03:32,302 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 551 559) no Hoare annotation was computed. [2018-12-09 00:03:32,303 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 551 559) the Hoare annotation is: true [2018-12-09 00:03:32,303 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 551 559) no Hoare annotation was computed. [2018-12-09 00:03:32,303 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:03:32,303 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (or (< ~waterLevel~0 3) (< 2 |old(~waterLevel~0)|)) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 00:03:32,303 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:03:32,303 INFO L444 ceAbstractionStarter]: At program point L735(line 735) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (<= 3 ~waterLevel~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (and (= ~methaneLevelCritical~0 activatePump_~tmp~7) .cse2) .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 00:03:32,303 INFO L448 ceAbstractionStarter]: For program point L735-1(lines 724 740) no Hoare annotation was computed. [2018-12-09 00:03:32,303 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 724 740) no Hoare annotation was computed. [2018-12-09 00:03:32,303 INFO L448 ceAbstractionStarter]: For program point L731(lines 731 737) no Hoare annotation was computed. [2018-12-09 00:03:32,303 INFO L444 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (<= 3 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2))) [2018-12-09 00:03:32,303 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 724 740) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (<= 3 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2))) [2018-12-09 00:03:32,303 INFO L448 ceAbstractionStarter]: For program point L729-1(line 729) no Hoare annotation was computed. [2018-12-09 00:03:32,304 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 805 823) no Hoare annotation was computed. [2018-12-09 00:03:32,304 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 818) no Hoare annotation was computed. [2018-12-09 00:03:32,304 INFO L451 ceAbstractionStarter]: At program point L812(line 812) the Hoare annotation is: true [2018-12-09 00:03:32,304 INFO L448 ceAbstractionStarter]: For program point L814-2(lines 814 818) no Hoare annotation was computed. [2018-12-09 00:03:32,304 INFO L448 ceAbstractionStarter]: For program point L812-1(line 812) no Hoare annotation was computed. [2018-12-09 00:03:32,304 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 805 823) the Hoare annotation is: true [2018-12-09 00:03:32,304 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 805 823) no Hoare annotation was computed. [2018-12-09 00:03:32,304 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 528 536) the Hoare annotation is: true [2018-12-09 00:03:32,304 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 528 536) no Hoare annotation was computed. [2018-12-09 00:03:32,304 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 528 536) no Hoare annotation was computed. [2018-12-09 00:03:32,304 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 484 495) the Hoare annotation is: (let ((.cse1 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (<= 3 ~waterLevel~0))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse1 .cse5 .cse2 .cse0 .cse4) (or .cse5 .cse6 .cse2 .cse0 .cse7) (or (or .cse2 .cse3 .cse7) .cse6 .cse0))) [2018-12-09 00:03:32,304 INFO L448 ceAbstractionStarter]: For program point L488-1(lines 484 495) no Hoare annotation was computed. [2018-12-09 00:03:32,304 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 484 495) no Hoare annotation was computed. [2018-12-09 00:03:32,305 INFO L451 ceAbstractionStarter]: At program point L931-2(lines 931 945) the Hoare annotation is: true [2018-12-09 00:03:32,305 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 921 950) no Hoare annotation was computed. [2018-12-09 00:03:32,305 INFO L451 ceAbstractionStarter]: At program point L927(line 927) the Hoare annotation is: true [2018-12-09 00:03:32,305 INFO L448 ceAbstractionStarter]: For program point L927-1(line 927) no Hoare annotation was computed. [2018-12-09 00:03:32,305 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 921 950) the Hoare annotation is: true [2018-12-09 00:03:32,305 INFO L451 ceAbstractionStarter]: At program point L946(lines 921 950) the Hoare annotation is: true [2018-12-09 00:03:32,305 INFO L448 ceAbstractionStarter]: For program point L942(line 942) no Hoare annotation was computed. [2018-12-09 00:03:32,305 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 939) no Hoare annotation was computed. [2018-12-09 00:03:32,305 INFO L451 ceAbstractionStarter]: At program point L935-1(lines 935 939) the Hoare annotation is: true [2018-12-09 00:03:32,305 INFO L448 ceAbstractionStarter]: For program point L932(line 932) no Hoare annotation was computed. [2018-12-09 00:03:32,305 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 607 630) the Hoare annotation is: (let ((.cse12 (not (= ~methaneLevelCritical~0 0))) (.cse11 (< ~waterLevel~0 2)) (.cse13 (< ~waterLevel~0 3)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= ~systemActive~0 0)) (.cse14 (not (= 1 |old(~pumpRunning~0)|)))) (let ((.cse10 (or .cse3 .cse5 .cse14)) (.cse1 (and .cse13 .cse7 .cse6)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (<= 3 |old(~waterLevel~0)|)) (.cse8 (< 1 |old(~waterLevel~0)|)) (.cse9 (and .cse11 .cse7 .cse6)) (.cse0 (or .cse5 .cse14 .cse12))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse2 (and .cse6 .cse7)) (or .cse8 .cse9 .cse10) (or .cse11 (or (<= 2 |old(~waterLevel~0)|) .cse4 .cse5 .cse12)) (or .cse2 .cse10 .cse1) (or .cse3 .cse8 .cse4 .cse5 (<= ~waterLevel~0 1)) (or .cse4 (and .cse13 .cse6 .cse7) .cse5 .cse2 .cse12) (or .cse3 .cse4 .cse5 .cse13 .cse2) (or .cse8 .cse9 .cse0)))) [2018-12-09 00:03:32,306 INFO L444 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (let ((.cse12 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= ~systemActive~0 0)) (.cse15 (not (= 1 |old(~pumpRunning~0)|)))) (let ((.cse8 (or .cse0 .cse2 .cse15)) (.cse7 (< ~waterLevel~0 2)) (.cse10 (<= 1 ~waterLevel~0)) (.cse11 (< |old(~waterLevel~0)| 2)) (.cse13 (or .cse2 .cse15 .cse12)) (.cse6 (< 1 |old(~waterLevel~0)|)) (.cse9 (<= ~waterLevel~0 1)) (.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse14 (< ~waterLevel~0 3)) (.cse3 (<= 3 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5)) (or .cse6 (and .cse7 .cse5) .cse8) (or (and .cse9 .cse10 .cse5) .cse3 .cse11 .cse8) (or .cse7 (or (<= 2 |old(~waterLevel~0)|) .cse1 .cse2 .cse12)) (or .cse13 .cse10 .cse3 .cse11) (or .cse13 (and .cse9 .cse5) .cse3) (or .cse0 .cse6 .cse1 .cse2 .cse9) (or .cse1 (and .cse14 .cse4 .cse5) .cse2 .cse3 .cse12) (or .cse0 .cse1 .cse2 .cse14 .cse3)))) [2018-12-09 00:03:32,306 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 607 630) no Hoare annotation was computed. [2018-12-09 00:03:32,306 INFO L444 ceAbstractionStarter]: At program point L618(lines 618 624) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (< ~waterLevel~0 3)) (.cse12 (< ~waterLevel~0 2)) (.cse21 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse18 (= 0 ~pumpRunning~0)) (.cse19 (<= ~waterLevel~0 1)) (.cse22 (<= 1 ~waterLevel~0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse20 (not (= 1 |old(~pumpRunning~0)|))) (.cse17 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse9 (or .cse2 .cse20 .cse17)) (.cse13 (and .cse19 .cse22 .cse4)) (.cse15 (and .cse18 .cse19 .cse22)) (.cse14 (< |old(~waterLevel~0)| 2)) (.cse7 (and .cse12 .cse21 .cse4)) (.cse5 (<= 3 |old(~waterLevel~0)|)) (.cse6 (and .cse3 (= ~pumpRunning~0 1) .cse21)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (< 1 |old(~waterLevel~0)|)) (.cse16 (or .cse0 .cse2 .cse20)) (.cse10 (and .cse19 .cse4)) (.cse11 (and .cse18 .cse19))) (and (or .cse0 .cse1 .cse2 (and (<= 2 ~waterLevel~0) .cse3 .cse4) .cse5 .cse6 .cse7) (or .cse8 .cse9 .cse10 .cse11) (or .cse0 .cse8 .cse1 .cse2 .cse12) (or .cse9 .cse13 .cse5 .cse14 .cse15) (or .cse13 .cse15 .cse5 .cse14 .cse16) (or .cse1 .cse7 .cse2 .cse5 .cse6 .cse17) (or .cse8 .cse1 .cse2 .cse12 .cse17) (or .cse8 .cse16 .cse10 .cse11)))) [2018-12-09 00:03:32,306 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 607 630) no Hoare annotation was computed. [2018-12-09 00:03:32,306 INFO L444 ceAbstractionStarter]: At program point L613(line 613) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= ~systemActive~0 0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (<= 3 |old(~waterLevel~0)|)) (.cse6 (and (< ~waterLevel~0 3) (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse5 (or .cse2 .cse9 .cse4)) (.cse8 (< 1 |old(~waterLevel~0)|)) (.cse7 (or .cse0 .cse2 .cse9))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse6) (or .cse3 .cse7 .cse6) (or .cse8 .cse5 (<= ~waterLevel~0 1)) (or .cse8 (< ~waterLevel~0 2) .cse7)))) [2018-12-09 00:03:32,306 INFO L448 ceAbstractionStarter]: For program point L611(lines 610 629) no Hoare annotation was computed. [2018-12-09 00:03:32,306 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 496 504) the Hoare annotation is: true [2018-12-09 00:03:32,306 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 496 504) no Hoare annotation was computed. [2018-12-09 00:03:32,306 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 496 504) no Hoare annotation was computed. [2018-12-09 00:03:32,306 INFO L444 ceAbstractionStarter]: At program point L65(line 65) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= ~systemActive~0 0)) (.cse2 (<= 3 ~waterLevel~0))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= 1 ~pumpRunning~0))))) [2018-12-09 00:03:32,306 INFO L448 ceAbstractionStarter]: For program point L65-1(line 65) no Hoare annotation was computed. [2018-12-09 00:03:32,307 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 81) no Hoare annotation was computed. [2018-12-09 00:03:32,307 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 52 84) no Hoare annotation was computed. [2018-12-09 00:03:32,307 INFO L451 ceAbstractionStarter]: At program point L59(line 59) the Hoare annotation is: true [2018-12-09 00:03:32,307 INFO L448 ceAbstractionStarter]: For program point L59-1(line 59) no Hoare annotation was computed. [2018-12-09 00:03:32,307 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 52 84) the Hoare annotation is: true [2018-12-09 00:03:32,307 INFO L444 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~systemActive~0 0)) (.cse3 (<= 3 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 .cse4) (or (< 1 ~waterLevel~0) .cse1 .cse2 .cse5) (or .cse2 .cse3 .cse4 .cse5))) [2018-12-09 00:03:32,307 INFO L448 ceAbstractionStarter]: For program point L71(lines 71 77) no Hoare annotation was computed. [2018-12-09 00:03:32,307 INFO L444 ceAbstractionStarter]: At program point L69(line 69) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse6 (<= 3 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse0 (< 1 ~waterLevel~0)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse6) (or .cse4 .cse1 .cse6 .cse2) (or .cse0 .cse5 .cse1 .cse3))) [2018-12-09 00:03:32,307 INFO L448 ceAbstractionStarter]: For program point L69-1(line 69) no Hoare annotation was computed. [2018-12-09 00:03:32,307 INFO L448 ceAbstractionStarter]: For program point L67(lines 67 80) no Hoare annotation was computed. [2018-12-09 00:03:32,307 INFO L448 ceAbstractionStarter]: For program point L67-1(lines 52 84) no Hoare annotation was computed. [2018-12-09 00:03:32,307 INFO L448 ceAbstractionStarter]: For program point L464-1(lines 460 471) no Hoare annotation was computed. [2018-12-09 00:03:32,307 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 460 471) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse6 (< ~waterLevel~0 2)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0)) (.cse1 (<= 3 |old(~waterLevel~0)|)) (.cse3 (and (< ~waterLevel~0 3) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse2 .cse4) (or .cse7 .cse5 .cse0 .cse2 .cse6) (or .cse7 .cse0 .cse1 .cse3 .cse2))) [2018-12-09 00:03:32,307 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 460 471) no Hoare annotation was computed. [2018-12-09 00:03:32,307 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 975 981) no Hoare annotation was computed. [2018-12-09 00:03:32,307 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 975 981) the Hoare annotation is: true [2018-12-09 00:03:32,307 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:03:32,307 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2)) [2018-12-09 00:03:32,307 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 00:03:32,307 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:03:32,307 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 843 850) no Hoare annotation was computed. [2018-12-09 00:03:32,308 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 843 850) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 0))) (.cse2 (= |old(~systemActive~0)| 0)) (.cse3 (<= 3 ~waterLevel~0)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 (or .cse0 .cse2 .cse5) .cse4) (or (or .cse2 .cse5 .cse6) .cse4 .cse3) (or .cse1 .cse4 .cse2 .cse3 .cse6))) [2018-12-09 00:03:32,308 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 843 850) no Hoare annotation was computed. [2018-12-09 00:03:32,308 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 639 663) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (<= 3 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse1 .cse6 .cse4) (or .cse7 .cse5 .cse1 .cse3 .cse6) (or .cse7 .cse0 .cse3 .cse1 .cse2))) [2018-12-09 00:03:32,308 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 639 663) no Hoare annotation was computed. [2018-12-09 00:03:32,308 INFO L444 ceAbstractionStarter]: At program point L658(line 658) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse7 (<= 3 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7) (or .cse5 .cse0 .cse3 .cse1 .cse2) (or .cse6 .cse1 .cse7 .cse4))) [2018-12-09 00:03:32,308 INFO L448 ceAbstractionStarter]: For program point L658-1(lines 639 663) no Hoare annotation was computed. [2018-12-09 00:03:32,308 INFO L444 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (let ((.cse5 (<= 3 ~waterLevel~0)) (.cse6 (< ~waterLevel~0 2)) (.cse1 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse5 .cse6) (or .cse4 .cse2 .cse5 .cse6 .cse7) (or .cse1 .cse2 .cse3 .cse7) (or (or .cse0 .cse8 .cse4 .cse2) .cse9) (or .cse9 (or .cse8 .cse4 .cse2 .cse7)))) [2018-12-09 00:03:32,308 INFO L444 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (<= 3 ~waterLevel~0)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse6 .cse7) (or .cse0 .cse4 .cse2 .cse6 .cse5) (or .cse1 .cse2 .cse3 .cse7))) [2018-12-09 00:03:32,308 INFO L448 ceAbstractionStarter]: For program point L647(lines 647 655) no Hoare annotation was computed. [2018-12-09 00:03:32,308 INFO L444 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (<= 3 ~waterLevel~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse6 .cse7) (or .cse0 .cse4 .cse2 .cse5 .cse6) (or .cse1 .cse2 .cse3 .cse7))) [2018-12-09 00:03:32,308 INFO L448 ceAbstractionStarter]: For program point L645-1(line 645) no Hoare annotation was computed. [2018-12-09 00:03:32,308 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 660) no Hoare annotation was computed. [2018-12-09 00:03:32,308 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 472 483) no Hoare annotation was computed. [2018-12-09 00:03:32,308 INFO L448 ceAbstractionStarter]: For program point L476-1(lines 472 483) no Hoare annotation was computed. [2018-12-09 00:03:32,308 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 472 483) the Hoare annotation is: (let ((.cse6 (< ~waterLevel~0 2)) (.cse10 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse9 (and .cse6 .cse10)) (.cse5 (<= 2 |old(~waterLevel~0)|)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~systemActive~0 0)) (.cse4 (<= 3 |old(~waterLevel~0)|)) (.cse3 (and (< ~waterLevel~0 3) .cse10)) (.cse7 (not (= 1 ~pumpRunning~0))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse0 .cse5 .cse1 .cse2) .cse6) (or (< 1 |old(~waterLevel~0)|) .cse2 (<= ~waterLevel~0 1) .cse7 .cse8) (or .cse9 (or .cse0 .cse5 .cse2 .cse7)) (or .cse0 .cse2 .cse4 .cse7 .cse3) (or .cse9 (or .cse5 .cse1 .cse2 .cse8)) (or .cse2 .cse4 .cse3 .cse7 .cse8)))) [2018-12-09 00:03:32,308 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-09 00:03:32,308 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-09 00:03:32,309 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-09 00:03:32,309 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-09 00:03:32,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:03:32 BoogieIcfgContainer [2018-12-09 00:03:32,317 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 00:03:32,318 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:03:32,318 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:03:32,318 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:03:32,319 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:03:19" (3/4) ... [2018-12-09 00:03:32,322 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:03:32,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 00:03:32,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 00:03:32,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 00:03:32,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 00:03:32,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 00:03:32,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 00:03:32,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 00:03:32,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 00:03:32,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 00:03:32,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 00:03:32,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 00:03:32,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 00:03:32,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 00:03:32,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 00:03:32,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-09 00:03:32,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 00:03:32,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 00:03:32,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 00:03:32,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 00:03:32,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 00:03:32,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 00:03:32,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 00:03:32,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 00:03:32,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 00:03:32,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-09 00:03:32,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 00:03:32,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 00:03:32,329 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 00:03:32,329 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 00:03:32,329 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 00:03:32,329 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 00:03:32,334 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-09 00:03:32,334 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 00:03:32,335 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 00:03:32,335 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 00:03:32,335 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 00:03:32,335 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 00:03:32,352 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == methaneLevelCritical && 0 == pumpRunning) && !(systemActive == 0)) && splverifierCounter == 0) && waterLevel <= 1) || ((((0 == pumpRunning && !(systemActive == 0)) && waterLevel < 3) && methaneLevelCritical == 1) && splverifierCounter == 0)) || \old(systemActive) == 0) || ((((!(systemActive == 0) && waterLevel < 3) && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && !(systemActive == 0)) && waterLevel < 3) && pumpRunning == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 00:03:32,352 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 00:03:32,385 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e11c31f9-ba4b-424f-8793-91cdd97368fc/bin-2019/utaipan/witness.graphml [2018-12-09 00:03:32,385 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:03:32,386 INFO L168 Benchmark]: Toolchain (without parser) took 13689.83 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 821.6 MB). Free memory was 952.4 MB in the beginning and 1.5 GB in the end (delta: -513.5 MB). Peak memory consumption was 308.1 MB. Max. memory is 11.5 GB. [2018-12-09 00:03:32,387 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:03:32,387 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -162.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-09 00:03:32,387 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:03:32,387 INFO L168 Benchmark]: Boogie Preprocessor took 22.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:03:32,387 INFO L168 Benchmark]: RCFGBuilder took 375.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. [2018-12-09 00:03:32,388 INFO L168 Benchmark]: TraceAbstraction took 12913.76 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 687.9 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -404.8 MB). Peak memory consumption was 978.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:03:32,388 INFO L168 Benchmark]: Witness Printer took 67.82 ms. Allocated memory is still 1.9 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 314.7 kB). Peak memory consumption was 314.7 kB. Max. memory is 11.5 GB. [2018-12-09 00:03:32,389 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -162.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 375.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12913.76 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 687.9 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -404.8 MB). Peak memory consumption was 978.7 MB. Max. memory is 11.5 GB. * Witness Printer took 67.82 ms. Allocated memory is still 1.9 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 314.7 kB). Peak memory consumption was 314.7 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: ((((((((((0 == methaneLevelCritical && 0 == pumpRunning) && !(systemActive == 0)) && splverifierCounter == 0) && waterLevel <= 1) || ((((0 == pumpRunning && !(systemActive == 0)) && waterLevel < 3) && methaneLevelCritical == 1) && splverifierCounter == 0)) || \old(systemActive) == 0) || ((((!(systemActive == 0) && waterLevel < 3) && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && !(systemActive == 0)) && waterLevel < 3) && pumpRunning == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 173 locations, 1 error locations. SAFE Result, 12.8s OverallTime, 14 OverallIterations, 4 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 5.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2901 SDtfs, 2256 SDslu, 9544 SDs, 0 SdLazy, 2542 SolverSat, 826 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 978 GetRequests, 844 SyntacticMatches, 16 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1910occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.5s AbstIntTime, 3 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 291 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 4115 PreInvPairs, 4360 NumberOfFragments, 3474 HoareAnnotationTreeSize, 4115 FomulaSimplifications, 7404 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 72 FomulaSimplificationsInter, 37935 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1757 NumberOfCodeBlocks, 1757 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2155 ConstructedInterpolants, 0 QuantifiedInterpolants, 444515 SizeOfPredicates, 17 NumberOfNonLiveVariables, 2536 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 20 InterpolantComputations, 14 PerfectInterpolantSequences, 271/285 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...