./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cca61d3d-607d-4e69-850b-6d53ef1a428e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cca61d3d-607d-4e69-850b-6d53ef1a428e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cca61d3d-607d-4e69-850b-6d53ef1a428e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cca61d3d-607d-4e69-850b-6d53ef1a428e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cca61d3d-607d-4e69-850b-6d53ef1a428e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cca61d3d-607d-4e69-850b-6d53ef1a428e/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 ef0694c6828fdd41a19c9b426d075f4f4dde925f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 14:49:40,335 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:49:40,336 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:49:40,344 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:49:40,344 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:49:40,344 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:49:40,345 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:49:40,346 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:49:40,347 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:49:40,348 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:49:40,349 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:49:40,349 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:49:40,349 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:49:40,350 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:49:40,351 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:49:40,351 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:49:40,351 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:49:40,352 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:49:40,353 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:49:40,354 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:49:40,355 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:49:40,356 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:49:40,357 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:49:40,358 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:49:40,358 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:49:40,358 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:49:40,359 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:49:40,360 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:49:40,360 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:49:40,361 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:49:40,361 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:49:40,362 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:49:40,362 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:49:40,362 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:49:40,363 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:49:40,363 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:49:40,363 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cca61d3d-607d-4e69-850b-6d53ef1a428e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 14:49:40,372 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:49:40,372 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:49:40,372 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:49:40,373 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 14:49:40,373 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 14:49:40,373 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 14:49:40,373 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 14:49:40,373 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 14:49:40,373 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 14:49:40,373 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 14:49:40,374 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 14:49:40,374 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 14:49:40,374 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 14:49:40,374 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:49:40,374 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:49:40,375 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:49:40,375 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:49:40,375 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:49:40,375 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:49:40,375 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:49:40,375 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:49:40,375 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:49:40,375 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:49:40,376 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:49:40,376 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:49:40,376 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:49:40,376 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 14:49:40,376 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:49:40,376 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 14:49:40,376 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:49:40,377 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:49:40,377 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:49:40,377 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:49:40,377 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 14:49:40,377 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:49:40,377 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:49:40,377 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 14:49:40,377 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_cca61d3d-607d-4e69-850b-6d53ef1a428e/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 -> ef0694c6828fdd41a19c9b426d075f4f4dde925f [2018-11-23 14:49:40,403 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:49:40,412 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:49:40,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:49:40,416 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:49:40,416 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:49:40,416 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cca61d3d-607d-4e69-850b-6d53ef1a428e/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c [2018-11-23 14:49:40,462 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cca61d3d-607d-4e69-850b-6d53ef1a428e/bin-2019/utaipan/data/769c6d064/a7d56750e2f54b47bf2354c8dc2becd2/FLAGa418759b5 [2018-11-23 14:49:40,901 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:49:40,901 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cca61d3d-607d-4e69-850b-6d53ef1a428e/sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c [2018-11-23 14:49:40,911 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cca61d3d-607d-4e69-850b-6d53ef1a428e/bin-2019/utaipan/data/769c6d064/a7d56750e2f54b47bf2354c8dc2becd2/FLAGa418759b5 [2018-11-23 14:49:40,923 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cca61d3d-607d-4e69-850b-6d53ef1a428e/bin-2019/utaipan/data/769c6d064/a7d56750e2f54b47bf2354c8dc2becd2 [2018-11-23 14:49:40,925 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:49:40,926 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:49:40,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:49:40,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:49:40,929 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:49:40,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:49:40" (1/1) ... [2018-11-23 14:49:40,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff9ad9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:40, skipping insertion in model container [2018-11-23 14:49:40,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:49:40" (1/1) ... [2018-11-23 14:49:40,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:49:40,968 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:49:41,166 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:49:41,175 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:49:41,279 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:49:41,295 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:49:41,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:41 WrapperNode [2018-11-23 14:49:41,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:49:41,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:49:41,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:49:41,296 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:49:41,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:41" (1/1) ... [2018-11-23 14:49:41,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:41" (1/1) ... [2018-11-23 14:49:41,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:49:41,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:49:41,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:49:41,322 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:49:41,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:41" (1/1) ... [2018-11-23 14:49:41,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:41" (1/1) ... [2018-11-23 14:49:41,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:41" (1/1) ... [2018-11-23 14:49:41,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:41" (1/1) ... [2018-11-23 14:49:41,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:41" (1/1) ... [2018-11-23 14:49:41,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:41" (1/1) ... [2018-11-23 14:49:41,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:41" (1/1) ... [2018-11-23 14:49:41,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:49:41,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:49:41,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:49:41,348 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:49:41,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cca61d3d-607d-4e69-850b-6d53ef1a428e/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:49:41,385 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 14:49:41,386 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 14:49:41,386 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 14:49:41,386 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 14:49:41,386 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 14:49:41,386 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 14:49:41,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 14:49:41,386 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 14:49:41,386 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 14:49:41,386 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 14:49:41,387 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 14:49:41,387 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 14:49:41,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 14:49:41,387 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 14:49:41,387 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 14:49:41,387 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 14:49:41,387 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 14:49:41,387 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 14:49:41,387 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 14:49:41,388 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 14:49:41,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 14:49:41,388 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 14:49:41,388 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 14:49:41,388 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 14:49:41,388 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 14:49:41,388 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 14:49:41,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 14:49:41,388 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 14:49:41,388 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 14:49:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 14:49:41,389 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 14:49:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 14:49:41,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 14:49:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 14:49:41,389 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 14:49:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 14:49:41,389 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 14:49:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 14:49:41,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 14:49:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 14:49:41,390 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 14:49:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 14:49:41,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 14:49:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 14:49:41,390 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 14:49:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-23 14:49:41,390 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-23 14:49:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 14:49:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 14:49:41,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 14:49:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 14:49:41,391 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 14:49:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 14:49:41,391 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 14:49:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:49:41,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:49:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-23 14:49:41,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-23 14:49:41,755 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:49:41,755 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 14:49:41,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:49:41 BoogieIcfgContainer [2018-11-23 14:49:41,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:49:41,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 14:49:41,757 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 14:49:41,759 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 14:49:41,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:49:40" (1/3) ... [2018-11-23 14:49:41,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3478c4a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:49:41, skipping insertion in model container [2018-11-23 14:49:41,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:41" (2/3) ... [2018-11-23 14:49:41,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3478c4a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:49:41, skipping insertion in model container [2018-11-23 14:49:41,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:49:41" (3/3) ... [2018-11-23 14:49:41,762 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product47_true-unreach-call_false-termination.cil.c [2018-11-23 14:49:41,770 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 14:49:41,776 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 14:49:41,789 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 14:49:41,815 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 14:49:41,815 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 14:49:41,815 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 14:49:41,815 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 14:49:41,815 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 14:49:41,815 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 14:49:41,816 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 14:49:41,816 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 14:49:41,832 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-11-23 14:49:41,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 14:49:41,839 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:49:41,839 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] [2018-11-23 14:49:41,841 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:49:41,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:49:41,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1105178767, now seen corresponding path program 1 times [2018-11-23 14:49:41,847 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:49:41,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:49:41,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:49:41,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:49:41,876 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:49:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:42,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:49:42,029 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:49:42,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 14:49:42,029 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:49:42,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 14:49:42,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 14:49:42,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 14:49:42,045 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 2 states. [2018-11-23 14:49:42,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:49:42,068 INFO L93 Difference]: Finished difference Result 272 states and 341 transitions. [2018-11-23 14:49:42,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 14:49:42,070 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 14:49:42,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:49:42,080 INFO L225 Difference]: With dead ends: 272 [2018-11-23 14:49:42,080 INFO L226 Difference]: Without dead ends: 136 [2018-11-23 14:49:42,083 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 [2018-11-23 14:49:42,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-11-23 14:49:42,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-11-23 14:49:42,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-11-23 14:49:42,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 162 transitions. [2018-11-23 14:49:42,120 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 162 transitions. Word has length 46 [2018-11-23 14:49:42,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:49:42,120 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 162 transitions. [2018-11-23 14:49:42,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 14:49:42,120 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 162 transitions. [2018-11-23 14:49:42,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 14:49:42,123 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:49:42,123 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] [2018-11-23 14:49:42,124 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:49:42,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:49:42,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1895038508, now seen corresponding path program 1 times [2018-11-23 14:49:42,124 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:49:42,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:49:42,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:49:42,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:49:42,126 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:49:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:42,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:49:42,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:49:42,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 14:49:42,205 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:49:42,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:49:42,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:49:42,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:49:42,207 INFO L87 Difference]: Start difference. First operand 136 states and 162 transitions. Second operand 3 states. [2018-11-23 14:49:42,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:49:42,224 INFO L93 Difference]: Finished difference Result 215 states and 255 transitions. [2018-11-23 14:49:42,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:49:42,225 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 14:49:42,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:49:42,226 INFO L225 Difference]: With dead ends: 215 [2018-11-23 14:49:42,227 INFO L226 Difference]: Without dead ends: 127 [2018-11-23 14:49:42,228 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 [2018-11-23 14:49:42,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-11-23 14:49:42,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-11-23 14:49:42,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-11-23 14:49:42,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 150 transitions. [2018-11-23 14:49:42,239 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 150 transitions. Word has length 47 [2018-11-23 14:49:42,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:49:42,239 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 150 transitions. [2018-11-23 14:49:42,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:49:42,239 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 150 transitions. [2018-11-23 14:49:42,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 14:49:42,241 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:49:42,241 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:49:42,241 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:49:42,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:49:42,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1633888391, now seen corresponding path program 1 times [2018-11-23 14:49:42,241 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:49:42,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:49:42,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:49:42,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:49:42,242 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:49:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:42,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:49:42,351 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:49:42,351 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 14:49:42,351 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:49:42,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 14:49:42,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 14:49:42,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:49:42,352 INFO L87 Difference]: Start difference. First operand 127 states and 150 transitions. Second operand 7 states. [2018-11-23 14:49:42,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:49:42,647 INFO L93 Difference]: Finished difference Result 383 states and 468 transitions. [2018-11-23 14:49:42,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 14:49:42,648 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-23 14:49:42,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:49:42,650 INFO L225 Difference]: With dead ends: 383 [2018-11-23 14:49:42,650 INFO L226 Difference]: Without dead ends: 280 [2018-11-23 14:49:42,651 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 14:49:42,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2018-11-23 14:49:42,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 272. [2018-11-23 14:49:42,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2018-11-23 14:49:42,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 332 transitions. [2018-11-23 14:49:42,683 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 332 transitions. Word has length 51 [2018-11-23 14:49:42,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:49:42,683 INFO L480 AbstractCegarLoop]: Abstraction has 272 states and 332 transitions. [2018-11-23 14:49:42,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 14:49:42,684 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 332 transitions. [2018-11-23 14:49:42,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 14:49:42,685 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:49:42,686 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] [2018-11-23 14:49:42,686 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:49:42,686 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:49:42,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1409171517, now seen corresponding path program 1 times [2018-11-23 14:49:42,686 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:49:42,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:49:42,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:49:42,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:49:42,688 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:49:42,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:42,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:49:42,775 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:49:42,775 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 14:49:42,775 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:49:42,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 14:49:42,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 14:49:42,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 14:49:42,776 INFO L87 Difference]: Start difference. First operand 272 states and 332 transitions. Second operand 6 states. [2018-11-23 14:49:42,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:49:42,914 INFO L93 Difference]: Finished difference Result 753 states and 944 transitions. [2018-11-23 14:49:42,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 14:49:42,915 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-11-23 14:49:42,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:49:42,919 INFO L225 Difference]: With dead ends: 753 [2018-11-23 14:49:42,919 INFO L226 Difference]: Without dead ends: 505 [2018-11-23 14:49:42,922 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 14:49:42,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2018-11-23 14:49:42,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 499. [2018-11-23 14:49:42,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2018-11-23 14:49:42,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 614 transitions. [2018-11-23 14:49:42,961 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 614 transitions. Word has length 57 [2018-11-23 14:49:42,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:49:42,961 INFO L480 AbstractCegarLoop]: Abstraction has 499 states and 614 transitions. [2018-11-23 14:49:42,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 14:49:42,962 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 614 transitions. [2018-11-23 14:49:42,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 14:49:42,964 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:49:42,965 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] [2018-11-23 14:49:42,965 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:49:42,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:49:42,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1704165985, now seen corresponding path program 1 times [2018-11-23 14:49:42,965 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:49:42,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:49:42,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:49:42,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:49:42,966 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:49:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:43,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:49:43,067 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:49:43,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 14:49:43,067 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:49:43,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 14:49:43,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 14:49:43,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:49:43,068 INFO L87 Difference]: Start difference. First operand 499 states and 614 transitions. Second operand 7 states. [2018-11-23 14:49:43,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:49:43,483 INFO L93 Difference]: Finished difference Result 1320 states and 1731 transitions. [2018-11-23 14:49:43,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 14:49:43,484 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-11-23 14:49:43,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:49:43,488 INFO L225 Difference]: With dead ends: 1320 [2018-11-23 14:49:43,488 INFO L226 Difference]: Without dead ends: 845 [2018-11-23 14:49:43,490 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 14:49:43,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2018-11-23 14:49:43,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 749. [2018-11-23 14:49:43,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 749 states. [2018-11-23 14:49:43,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 911 transitions. [2018-11-23 14:49:43,529 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 911 transitions. Word has length 61 [2018-11-23 14:49:43,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:49:43,530 INFO L480 AbstractCegarLoop]: Abstraction has 749 states and 911 transitions. [2018-11-23 14:49:43,530 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 14:49:43,530 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 911 transitions. [2018-11-23 14:49:43,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-23 14:49:43,532 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:49:43,532 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] [2018-11-23 14:49:43,533 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:49:43,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:49:43,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1326343568, now seen corresponding path program 1 times [2018-11-23 14:49:43,533 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:49:43,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:49:43,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:49:43,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:49:43,534 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:49:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:43,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 14:49:43,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:49:43,605 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 14:49:43,606 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:49:43,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 14:49:43,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 14:49:43,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 14:49:43,606 INFO L87 Difference]: Start difference. First operand 749 states and 911 transitions. Second operand 4 states. [2018-11-23 14:49:43,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:49:43,774 INFO L93 Difference]: Finished difference Result 2772 states and 3584 transitions. [2018-11-23 14:49:43,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 14:49:43,775 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-11-23 14:49:43,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:49:43,780 INFO L225 Difference]: With dead ends: 2772 [2018-11-23 14:49:43,781 INFO L226 Difference]: Without dead ends: 2047 [2018-11-23 14:49:43,783 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 14:49:43,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2047 states. [2018-11-23 14:49:43,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2047 to 2001. [2018-11-23 14:49:43,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2001 states. [2018-11-23 14:49:43,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 2001 states and 2521 transitions. [2018-11-23 14:49:43,852 INFO L78 Accepts]: Start accepts. Automaton has 2001 states and 2521 transitions. Word has length 98 [2018-11-23 14:49:43,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:49:43,852 INFO L480 AbstractCegarLoop]: Abstraction has 2001 states and 2521 transitions. [2018-11-23 14:49:43,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 14:49:43,852 INFO L276 IsEmpty]: Start isEmpty. Operand 2001 states and 2521 transitions. [2018-11-23 14:49:43,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-23 14:49:43,856 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:49:43,856 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] [2018-11-23 14:49:43,856 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:49:43,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:49:43,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1318584209, now seen corresponding path program 1 times [2018-11-23 14:49:43,857 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:49:43,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:49:43,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:49:43,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:49:43,858 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:49:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:43,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 14:49:43,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:49:43,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 14:49:43,915 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:49:43,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 14:49:43,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 14:49:43,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 14:49:43,916 INFO L87 Difference]: Start difference. First operand 2001 states and 2521 transitions. Second operand 6 states. [2018-11-23 14:49:44,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:49:44,022 INFO L93 Difference]: Finished difference Result 4062 states and 5342 transitions. [2018-11-23 14:49:44,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 14:49:44,023 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2018-11-23 14:49:44,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:49:44,030 INFO L225 Difference]: With dead ends: 4062 [2018-11-23 14:49:44,030 INFO L226 Difference]: Without dead ends: 2085 [2018-11-23 14:49:44,034 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:49:44,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2085 states. [2018-11-23 14:49:44,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2085 to 2061. [2018-11-23 14:49:44,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2061 states. [2018-11-23 14:49:44,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 2061 states and 2585 transitions. [2018-11-23 14:49:44,101 INFO L78 Accepts]: Start accepts. Automaton has 2061 states and 2585 transitions. Word has length 98 [2018-11-23 14:49:44,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:49:44,102 INFO L480 AbstractCegarLoop]: Abstraction has 2061 states and 2585 transitions. [2018-11-23 14:49:44,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 14:49:44,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2061 states and 2585 transitions. [2018-11-23 14:49:44,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-23 14:49:44,104 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:49:44,104 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] [2018-11-23 14:49:44,104 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:49:44,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:49:44,105 INFO L82 PathProgramCache]: Analyzing trace with hash -425097871, now seen corresponding path program 1 times [2018-11-23 14:49:44,105 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:49:44,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:49:44,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:49:44,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:49:44,106 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:49:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:44,173 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 14:49:44,173 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:49:44,173 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 14:49:44,174 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:49:44,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 14:49:44,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 14:49:44,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 14:49:44,174 INFO L87 Difference]: Start difference. First operand 2061 states and 2585 transitions. Second operand 8 states. [2018-11-23 14:49:44,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:49:44,242 INFO L93 Difference]: Finished difference Result 3744 states and 4844 transitions. [2018-11-23 14:49:44,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 14:49:44,242 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2018-11-23 14:49:44,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:49:44,248 INFO L225 Difference]: With dead ends: 3744 [2018-11-23 14:49:44,248 INFO L226 Difference]: Without dead ends: 1707 [2018-11-23 14:49:44,252 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 [2018-11-23 14:49:44,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2018-11-23 14:49:44,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1707. [2018-11-23 14:49:44,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2018-11-23 14:49:44,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2111 transitions. [2018-11-23 14:49:44,310 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2111 transitions. Word has length 98 [2018-11-23 14:49:44,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:49:44,310 INFO L480 AbstractCegarLoop]: Abstraction has 1707 states and 2111 transitions. [2018-11-23 14:49:44,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 14:49:44,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2111 transitions. [2018-11-23 14:49:44,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 14:49:44,313 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:49:44,314 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] [2018-11-23 14:49:44,314 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:49:44,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:49:44,314 INFO L82 PathProgramCache]: Analyzing trace with hash -2111915188, now seen corresponding path program 1 times [2018-11-23 14:49:44,314 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:49:44,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:49:44,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:49:44,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:49:44,315 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:49:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:44,419 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 14:49:44,419 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:49:44,419 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:49:44,420 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 103 with the following transitions: [2018-11-23 14:49:44,421 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [46], [47], [48], [51], [53], [54], [57], [72], [75], [76], [80], [81], [83], [92], [96], [100], [103], [108], [111], [116], [119], [135], [136], [137], [138], [139], [141], [146], [149], [150], [152], [157], [159], [160], [165], [167], [199], [203], [210], [211], [219], [225], [229], [230], [233], [235], [238], [240], [243], [252], [253], [254], [255], [256], [257], [258], [259], [260], [262], [263], [264], [265], [272], [274], [275], [282], [283], [284], [285], [286], [287], [290], [294], [295], [296], [297], [298], [299], [306], [307], [308], [310], [311], [312], [314], [315], [316], [317], [318] [2018-11-23 14:49:44,446 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:49:44,446 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:49:44,770 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 14:49:44,771 INFO L272 AbstractInterpreter]: Visited 76 different actions 76 times. Never merged. Never widened. Performed 2593 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2593 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-11-23 14:49:44,784 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:49:44,785 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 14:49:45,037 INFO L227 lantSequenceWeakener]: Weakened 74 states. On average, predicates are now at 97.27% of their original sizes. [2018-11-23 14:49:45,037 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 14:49:45,207 INFO L415 sIntCurrentIteration]: We unified 101 AI predicates to 101 [2018-11-23 14:49:45,208 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 14:49:45,208 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:49:45,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [13] total 29 [2018-11-23 14:49:45,209 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:49:45,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 14:49:45,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 14:49:45,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-11-23 14:49:45,209 INFO L87 Difference]: Start difference. First operand 1707 states and 2111 transitions. Second operand 18 states. [2018-11-23 14:49:50,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:49:50,561 INFO L93 Difference]: Finished difference Result 3717 states and 4654 transitions. [2018-11-23 14:49:50,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-11-23 14:49:50,561 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 102 [2018-11-23 14:49:50,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:49:50,570 INFO L225 Difference]: With dead ends: 3717 [2018-11-23 14:49:50,571 INFO L226 Difference]: Without dead ends: 2034 [2018-11-23 14:49:50,576 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 120 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=187, Invalid=1145, Unknown=0, NotChecked=0, Total=1332 [2018-11-23 14:49:50,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2034 states. [2018-11-23 14:49:50,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2034 to 2009. [2018-11-23 14:49:50,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2009 states. [2018-11-23 14:49:50,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 2009 states and 2399 transitions. [2018-11-23 14:49:50,670 INFO L78 Accepts]: Start accepts. Automaton has 2009 states and 2399 transitions. Word has length 102 [2018-11-23 14:49:50,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:49:50,670 INFO L480 AbstractCegarLoop]: Abstraction has 2009 states and 2399 transitions. [2018-11-23 14:49:50,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 14:49:50,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2009 states and 2399 transitions. [2018-11-23 14:49:50,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-23 14:49:50,676 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:49:50,676 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] [2018-11-23 14:49:50,677 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:49:50,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:49:50,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1731977465, now seen corresponding path program 1 times [2018-11-23 14:49:50,677 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:49:50,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:49:50,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:49:50,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:49:50,678 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:49:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:50,837 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 14:49:50,837 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:49:50,837 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:49:50,837 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-11-23 14:49:50,838 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [46], [47], [48], [51], [53], [54], [57], [60], [62], [68], [72], [75], [76], [80], [81], [82], [83], [92], [96], [100], [103], [106], [108], [111], [114], [116], [119], [135], [136], [137], [138], [139], [141], [146], [149], [150], [152], [157], [159], [160], [165], [167], [196], [199], [203], [209], [210], [211], [214], [218], [219], [225], [229], [230], [233], [235], [238], [240], [243], [249], [251], [252], [253], [254], [255], [256], [257], [258], [259], [260], [262], [263], [264], [265], [268], [269], [272], [274], [275], [276], [277], [280], [281], [282], [283], [284], [285], [286], [287], [290], [291], [294], [295], [296], [297], [298], [299], [304], [305], [306], [307], [308], [309], [310], [311], [312], [314], [315], [316], [317], [318] [2018-11-23 14:49:50,841 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:49:50,841 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:49:52,354 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 14:49:52,354 INFO L272 AbstractInterpreter]: Visited 123 different actions 890 times. Merged at 17 different actions 64 times. Never widened. Performed 37108 root evaluator evaluations with a maximum evaluation depth of 3. Performed 37108 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 17 fixpoints after 5 different actions. Largest state had 132 variables. [2018-11-23 14:49:52,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:49:52,357 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 14:49:52,357 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:49:52,357 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cca61d3d-607d-4e69-850b-6d53ef1a428e/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 14:49:52,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:49:52,364 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 14:49:52,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:52,495 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:49:52,729 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 14:49:52,729 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 14:49:53,084 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 14:49:53,100 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 14:49:53,100 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-23 14:49:53,100 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:49:53,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 14:49:53,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 14:49:53,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 14:49:53,101 INFO L87 Difference]: Start difference. First operand 2009 states and 2399 transitions. Second operand 8 states. [2018-11-23 14:49:53,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:49:53,491 INFO L93 Difference]: Finished difference Result 3195 states and 3891 transitions. [2018-11-23 14:49:53,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 14:49:53,491 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 153 [2018-11-23 14:49:53,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:49:53,492 INFO L225 Difference]: With dead ends: 3195 [2018-11-23 14:49:53,492 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 14:49:53,497 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 291 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 14:49:53,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 14:49:53,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 14:49:53,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 14:49:53,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 14:49:53,498 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2018-11-23 14:49:53,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:49:53,498 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 14:49:53,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 14:49:53,499 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 14:49:53,499 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 14:49:53,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 14:49:53,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:53,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:54,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:54,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:54,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:54,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:54,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:54,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:54,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:54,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:49:55,127 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 41 [2018-11-23 14:49:55,444 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 38 [2018-11-23 14:49:55,681 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 28 [2018-11-23 14:49:56,427 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 40 [2018-11-23 14:49:56,955 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 99 105) the Hoare annotation is: true [2018-11-23 14:49:56,955 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-23 14:49:56,955 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 106 114) no Hoare annotation was computed. [2018-11-23 14:49:56,955 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 106 114) the Hoare annotation is: true [2018-11-23 14:49:56,956 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 106 114) no Hoare annotation was computed. [2018-11-23 14:49:56,956 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 937 959) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:49:56,956 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 937 959) no Hoare annotation was computed. [2018-11-23 14:49:56,956 INFO L444 ceAbstractionStarter]: At program point L949(line 949) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:49:56,956 INFO L444 ceAbstractionStarter]: At program point L949-1(line 949) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:49:56,956 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 954) no Hoare annotation was computed. [2018-11-23 14:49:56,956 INFO L448 ceAbstractionStarter]: For program point L947-1(lines 947 954) no Hoare annotation was computed. [2018-11-23 14:49:56,956 INFO L448 ceAbstractionStarter]: For program point L945(line 945) no Hoare annotation was computed. [2018-11-23 14:49:56,956 INFO L444 ceAbstractionStarter]: At program point L944(line 944) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:49:56,956 INFO L444 ceAbstractionStarter]: At program point L943(line 943) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:49:56,957 INFO L444 ceAbstractionStarter]: At program point L943-1(line 943) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:49:56,957 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 937 959) no Hoare annotation was computed. [2018-11-23 14:49:56,957 INFO L444 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-23 14:49:56,957 INFO L448 ceAbstractionStarter]: For program point L275-1(lines 256 280) no Hoare annotation was computed. [2018-11-23 14:49:56,957 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 256 280) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 14:49:56,957 INFO L444 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: (let ((.cse0 (= 0 processEnvironment__wrappee__methaneQuery_~tmp~1)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or (and .cse0 (= 0 ~pumpRunning~0) .cse1) .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1) .cse2))) [2018-11-23 14:49:56,957 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 256 280) no Hoare annotation was computed. [2018-11-23 14:49:56,957 INFO L444 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse4 (not (= ~waterLevel~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (and (= processEnvironment__wrappee__methaneQuery_~tmp~1 1) .cse3)) (or .cse0 .cse1 .cse2 .cse4) (or .cse2 (and (= 0 ~pumpRunning~0) .cse3) .cse5) (or .cse2 .cse4 .cse5))) [2018-11-23 14:49:56,957 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 272) no Hoare annotation was computed. [2018-11-23 14:49:56,958 INFO L444 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= 0 ~pumpRunning~0) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 14:49:56,958 INFO L448 ceAbstractionStarter]: For program point L262-1(line 262) no Hoare annotation was computed. [2018-11-23 14:49:56,958 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 277) no Hoare annotation was computed. [2018-11-23 14:49:56,958 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 415 429) no Hoare annotation was computed. [2018-11-23 14:49:56,958 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 415 429) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (= ~systemActive~0 1)) (.cse4 (not (= |old(~systemActive~0)| 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (and (not (= ~systemActive~0 0)) .cse2)) (.cse7 (= |old(~systemActive~0)| 0))) (and (or (or .cse0 .cse1) .cse2) (or .cse3 .cse4 .cse1) (or .cse5 .cse3 .cse4) (or .cse5 .cse0 .cse2) (or .cse6 .cse7 .cse1) (or .cse5 .cse6 .cse7)))) [2018-11-23 14:49:56,958 INFO L444 ceAbstractionStarter]: At program point L421(line 421) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 1)) (.cse3 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse6 (= |old(~systemActive~0)| 0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3) (or .cse1 .cse4) (or .cse5 .cse6 .cse4) (or .cse0 .cse5 .cse6))) [2018-11-23 14:49:56,958 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 415 429) no Hoare annotation was computed. [2018-11-23 14:49:56,958 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 425) no Hoare annotation was computed. [2018-11-23 14:49:56,958 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 351 359) no Hoare annotation was computed. [2018-11-23 14:49:56,958 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 351 359) the Hoare annotation is: true [2018-11-23 14:49:56,958 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 351 359) no Hoare annotation was computed. [2018-11-23 14:49:56,958 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 92 98) no Hoare annotation was computed. [2018-11-23 14:49:56,959 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 92 98) the Hoare annotation is: true [2018-11-23 14:49:56,959 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 927 936) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:49:56,959 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 927 936) no Hoare annotation was computed. [2018-11-23 14:49:56,959 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 927 936) no Hoare annotation was computed. [2018-11-23 14:49:56,959 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 340 350) the Hoare annotation is: true [2018-11-23 14:49:56,959 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 340 350) no Hoare annotation was computed. [2018-11-23 14:49:56,959 INFO L451 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: true [2018-11-23 14:49:56,959 INFO L448 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2018-11-23 14:49:56,959 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 340 350) no Hoare annotation was computed. [2018-11-23 14:49:56,959 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 332 339) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-23 14:49:56,959 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 332 339) no Hoare annotation was computed. [2018-11-23 14:49:56,959 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 332 339) no Hoare annotation was computed. [2018-11-23 14:49:56,959 INFO L444 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse0 .cse1) (or .cse4 .cse3 .cse1))) [2018-11-23 14:49:56,959 INFO L448 ceAbstractionStarter]: For program point L288-1(line 288) no Hoare annotation was computed. [2018-11-23 14:49:56,960 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 303) no Hoare annotation was computed. [2018-11-23 14:49:56,960 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 282 306) no Hoare annotation was computed. [2018-11-23 14:49:56,960 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 282 306) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-23 14:49:56,960 INFO L444 ceAbstractionStarter]: At program point L301(line 301) the Hoare annotation is: (let ((.cse1 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 14:49:56,960 INFO L448 ceAbstractionStarter]: For program point L301-1(lines 282 306) no Hoare annotation was computed. [2018-11-23 14:49:56,960 INFO L444 ceAbstractionStarter]: At program point L296(line 296) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-11-23 14:49:56,960 INFO L444 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse0 .cse1) (or .cse4 .cse1 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2) .cse3)))) [2018-11-23 14:49:56,960 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 298) no Hoare annotation was computed. [2018-11-23 14:49:56,960 INFO L448 ceAbstractionStarter]: For program point L205(lines 205 211) no Hoare annotation was computed. [2018-11-23 14:49:56,960 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 201 214) no Hoare annotation was computed. [2018-11-23 14:49:56,960 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 201 214) the Hoare annotation is: true [2018-11-23 14:49:56,960 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 201 214) no Hoare annotation was computed. [2018-11-23 14:49:56,961 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 248 254) no Hoare annotation was computed. [2018-11-23 14:49:56,961 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 248 254) the Hoare annotation is: true [2018-11-23 14:49:56,961 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 432 497) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:49:56,961 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 448) no Hoare annotation was computed. [2018-11-23 14:49:56,961 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 432 497) no Hoare annotation was computed. [2018-11-23 14:49:56,961 INFO L444 ceAbstractionStarter]: At program point L490(lines 441 491) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:49:56,961 INFO L444 ceAbstractionStarter]: At program point L480(line 480) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 0))) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse4 .cse2) (and .cse0 .cse3 .cse2))) [2018-11-23 14:49:56,961 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 484) no Hoare annotation was computed. [2018-11-23 14:49:56,961 INFO L444 ceAbstractionStarter]: At program point L478-1(lines 472 485) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 0))) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse4 .cse2) (and .cse0 .cse3 .cse2))) [2018-11-23 14:49:56,961 INFO L448 ceAbstractionStarter]: For program point L443(lines 442 489) no Hoare annotation was computed. [2018-11-23 14:49:56,962 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 485) no Hoare annotation was computed. [2018-11-23 14:49:56,962 INFO L444 ceAbstractionStarter]: At program point L464(line 464) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse1) (and .cse2 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-11-23 14:49:56,962 INFO L448 ceAbstractionStarter]: For program point L462(lines 462 468) no Hoare annotation was computed. [2018-11-23 14:49:56,962 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 462 468) no Hoare annotation was computed. [2018-11-23 14:49:56,962 INFO L444 ceAbstractionStarter]: At program point L487(lines 442 489) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse1) (and .cse2 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-11-23 14:49:56,962 INFO L444 ceAbstractionStarter]: At program point L454(line 454) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse1) (and .cse2 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-11-23 14:49:56,962 INFO L448 ceAbstractionStarter]: For program point L452(lines 452 458) no Hoare annotation was computed. [2018-11-23 14:49:56,962 INFO L448 ceAbstractionStarter]: For program point L452-1(lines 452 458) no Hoare annotation was computed. [2018-11-23 14:49:56,962 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 432 497) no Hoare annotation was computed. [2018-11-23 14:49:56,962 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 307 314) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 14:49:56,962 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 307 314) no Hoare annotation was computed. [2018-11-23 14:49:56,962 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 307 314) no Hoare annotation was computed. [2018-11-23 14:49:56,962 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:49:56,963 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 14:49:56,963 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:49:56,963 INFO L444 ceAbstractionStarter]: At program point L320(line 320) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-23 14:49:56,963 INFO L448 ceAbstractionStarter]: For program point L320-1(line 320) no Hoare annotation was computed. [2018-11-23 14:49:56,963 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 315 331) no Hoare annotation was computed. [2018-11-23 14:49:56,963 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 315 331) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-23 14:49:56,963 INFO L444 ceAbstractionStarter]: At program point L326(line 326) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 14:49:56,963 INFO L448 ceAbstractionStarter]: For program point L326-1(lines 315 331) no Hoare annotation was computed. [2018-11-23 14:49:56,963 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 328) no Hoare annotation was computed. [2018-11-23 14:49:56,963 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 396 414) no Hoare annotation was computed. [2018-11-23 14:49:56,963 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 396 414) the Hoare annotation is: true [2018-11-23 14:49:56,963 INFO L448 ceAbstractionStarter]: For program point L405(lines 405 409) no Hoare annotation was computed. [2018-11-23 14:49:56,963 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 396 414) no Hoare annotation was computed. [2018-11-23 14:49:56,964 INFO L451 ceAbstractionStarter]: At program point L403(line 403) the Hoare annotation is: true [2018-11-23 14:49:56,964 INFO L448 ceAbstractionStarter]: For program point L405-2(lines 405 409) no Hoare annotation was computed. [2018-11-23 14:49:56,964 INFO L448 ceAbstractionStarter]: For program point L403-1(line 403) no Hoare annotation was computed. [2018-11-23 14:49:56,964 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 148 159) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= ~methaneLevelCritical~0 1)) (or .cse0 .cse1 .cse2) (or .cse2 (= ~systemActive~0 0) .cse1))) [2018-11-23 14:49:56,964 INFO L448 ceAbstractionStarter]: For program point L152-1(lines 148 159) no Hoare annotation was computed. [2018-11-23 14:49:56,964 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 148 159) no Hoare annotation was computed. [2018-11-23 14:49:56,964 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 866 895) no Hoare annotation was computed. [2018-11-23 14:49:56,964 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 866 895) the Hoare annotation is: true [2018-11-23 14:49:56,964 INFO L451 ceAbstractionStarter]: At program point L891(lines 866 895) the Hoare annotation is: true [2018-11-23 14:49:56,964 INFO L448 ceAbstractionStarter]: For program point L887(line 887) no Hoare annotation was computed. [2018-11-23 14:49:56,964 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 884) no Hoare annotation was computed. [2018-11-23 14:49:56,964 INFO L451 ceAbstractionStarter]: At program point L880-1(lines 880 884) the Hoare annotation is: true [2018-11-23 14:49:56,964 INFO L448 ceAbstractionStarter]: For program point L877(line 877) no Hoare annotation was computed. [2018-11-23 14:49:56,964 INFO L451 ceAbstractionStarter]: At program point L876-2(lines 876 890) the Hoare annotation is: true [2018-11-23 14:49:56,964 INFO L451 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: true [2018-11-23 14:49:56,965 INFO L448 ceAbstractionStarter]: For program point L872-1(line 872) no Hoare annotation was computed. [2018-11-23 14:49:56,965 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 224 247) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| 1))) (let ((.cse8 (= 1 ~waterLevel~0)) (.cse7 (not .cse2)) (.cse9 (= ~waterLevel~0 2)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~waterLevel~0 1))) (.cse3 (= ~systemActive~0 0)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5) (or .cse1 .cse2 .cse6 .cse0) (or .cse2 (and .cse0 .cse4) .cse6 .cse5) (or .cse1 .cse6 .cse4) (or .cse6 .cse7 .cse5 (and .cse8 .cse4)) (or .cse6 (not (= ~systemActive~0 1)) .cse9 .cse5 .cse10) (or .cse1 .cse6 .cse8 .cse7) (or .cse1 .cse9 .cse6 .cse10) (or .cse1 .cse4 .cse3) (or .cse2 .cse0 .cse3 .cse5)))) [2018-11-23 14:49:56,965 INFO L444 ceAbstractionStarter]: At program point L237(line 237) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 0)) (.cse1 (= |old(~waterLevel~0)| 1))) (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse8 (= 1 ~waterLevel~0)) (.cse9 (not .cse1)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not .cse6)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (= ~waterLevel~0 2)) (.cse11 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4)) (or .cse5 .cse6 .cse7) (or .cse8 .cse2 .cse9 .cse7) (or .cse1 .cse2 .cse4 .cse7) (or .cse0 .cse2 (and .cse8 .cse3) .cse9) (or .cse2 (not (= ~systemActive~0 1)) .cse10 .cse7 .cse11) (or .cse0 .cse5 .cse6) (or .cse3 .cse2 .cse7) (or .cse0 .cse2 .cse10 .cse11)))) [2018-11-23 14:49:56,965 INFO L444 ceAbstractionStarter]: At program point L235(lines 235 241) the Hoare annotation is: (let ((.cse9 (= ~systemActive~0 0)) (.cse6 (not (= ~waterLevel~0 1))) (.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse3 (= 1 ~waterLevel~0)) (.cse1 (not .cse5)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (and (not .cse9) .cse6)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6) (or .cse0 .cse7 .cse2 .cse8) (or .cse4 .cse0 .cse8) (or .cse5 .cse6 .cse0 .cse2) (or .cse4 .cse9 .cse10) (or .cse4 .cse0 .cse3 .cse1) (or .cse4 (= ~waterLevel~0 2) .cse0 (not (= |old(~waterLevel~0)| 2))) (or .cse8 .cse9 .cse7 .cse2 .cse10)))) [2018-11-23 14:49:56,965 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 224 247) no Hoare annotation was computed. [2018-11-23 14:49:56,965 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 224 247) no Hoare annotation was computed. [2018-11-23 14:49:56,965 INFO L444 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (= ~systemActive~0 0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse1 .cse4) (or .cse0 .cse2 .cse3))) [2018-11-23 14:49:56,965 INFO L448 ceAbstractionStarter]: For program point L228(lines 227 246) no Hoare annotation was computed. [2018-11-23 14:49:56,965 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 160 168) the Hoare annotation is: true [2018-11-23 14:49:56,966 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 160 168) no Hoare annotation was computed. [2018-11-23 14:49:56,966 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 160 168) no Hoare annotation was computed. [2018-11-23 14:49:56,966 INFO L448 ceAbstractionStarter]: For program point L128-1(lines 124 135) no Hoare annotation was computed. [2018-11-23 14:49:56,966 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 124 135) the Hoare annotation is: true [2018-11-23 14:49:56,966 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 124 135) no Hoare annotation was computed. [2018-11-23 14:49:56,966 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 920 926) no Hoare annotation was computed. [2018-11-23 14:49:56,966 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 920 926) the Hoare annotation is: true [2018-11-23 14:49:56,966 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:49:56,966 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-23 14:49:56,966 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 14:49:56,966 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:49:56,966 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 136 147) no Hoare annotation was computed. [2018-11-23 14:49:56,966 INFO L448 ceAbstractionStarter]: For program point L140-1(lines 136 147) no Hoare annotation was computed. [2018-11-23 14:49:56,966 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 136 147) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (= ~waterLevel~0 2)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse5) (or .cse1 .cse3 .cse6 .cse2) (or .cse4 (or .cse1 (not (= ~systemActive~0 1)) .cse6) .cse5))) [2018-11-23 14:49:56,967 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 69 76) no Hoare annotation was computed. [2018-11-23 14:49:56,967 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 69 76) the Hoare annotation is: true [2018-11-23 14:49:56,967 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2018-11-23 14:49:56,967 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 69 76) no Hoare annotation was computed. [2018-11-23 14:49:56,967 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2018-11-23 14:49:56,967 INFO L444 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse1 .cse0))) [2018-11-23 14:49:56,967 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2018-11-23 14:49:56,967 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2018-11-23 14:49:56,967 INFO L444 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2018-11-23 14:49:56,967 INFO L448 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-11-23 14:49:56,967 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2018-11-23 14:49:56,967 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2018-11-23 14:49:56,967 INFO L451 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2018-11-23 14:49:56,968 INFO L448 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-11-23 14:49:56,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:49:56 BoogieIcfgContainer [2018-11-23 14:49:56,982 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 14:49:56,982 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:49:56,982 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:49:56,983 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:49:56,983 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:49:41" (3/4) ... [2018-11-23 14:49:56,993 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 14:49:56,999 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 14:49:56,999 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 14:49:56,999 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 14:49:56,999 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 14:49:56,999 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 14:49:56,999 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 14:49:56,999 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 14:49:56,999 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 14:49:56,999 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 14:49:56,999 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 14:49:57,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 14:49:57,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 14:49:57,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 14:49:57,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 14:49:57,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-23 14:49:57,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 14:49:57,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 14:49:57,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 14:49:57,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 14:49:57,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 14:49:57,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 14:49:57,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 14:49:57,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 14:49:57,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 14:49:57,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 14:49:57,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 14:49:57,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-23 14:49:57,007 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-23 14:49:57,007 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 14:49:57,007 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 14:49:57,008 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 14:49:57,008 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 14:49:57,008 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 14:49:57,009 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 14:49:57,033 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) [2018-11-23 14:49:57,033 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 14:49:57,064 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cca61d3d-607d-4e69-850b-6d53ef1a428e/bin-2019/utaipan/witness.graphml [2018-11-23 14:49:57,064 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:49:57,065 INFO L168 Benchmark]: Toolchain (without parser) took 16139.27 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 713.0 MB). Free memory was 955.5 MB in the beginning and 1.2 GB in the end (delta: -247.4 MB). Peak memory consumption was 465.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:49:57,065 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:49:57,066 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -160.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-23 14:49:57,066 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:49:57,066 INFO L168 Benchmark]: Boogie Preprocessor took 26.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:49:57,066 INFO L168 Benchmark]: RCFGBuilder took 407.81 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2018-11-23 14:49:57,066 INFO L168 Benchmark]: TraceAbstraction took 15225.55 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 588.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -164.0 MB). Peak memory consumption was 659.9 MB. Max. memory is 11.5 GB. [2018-11-23 14:49:57,067 INFO L168 Benchmark]: Witness Printer took 81.90 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2018-11-23 14:49:57,068 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 369.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -160.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.14 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 26.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 407.81 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15225.55 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 588.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -164.0 MB). Peak memory consumption was 659.9 MB. Max. memory is 11.5 GB. * Witness Printer took 81.90 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 73]: 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: 442]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 149 locations, 1 error locations. SAFE Result, 15.1s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 7.0s AutomataDifference, 0.0s DeadEndRemovalTime, 3.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2065 SDtfs, 1363 SDslu, 6514 SDs, 0 SdLazy, 2113 SolverSat, 220 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 513 GetRequests, 409 SyntacticMatches, 6 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2061occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.8s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9968283048444726 AbsIntWeakeningRatio, 1.0693069306930694 AbsIntAvgWeakeningVarsNumRemoved, 82.97029702970298 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 205 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 4467 PreInvPairs, 4751 NumberOfFragments, 1907 HoareAnnotationTreeSize, 4467 FomulaSimplifications, 5986 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 63 FomulaSimplificationsInter, 21060 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 964 NumberOfCodeBlocks, 964 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1105 ConstructedInterpolants, 0 QuantifiedInterpolants, 180709 SizeOfPredicates, 3 NumberOfNonLiveVariables, 866 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 150/156 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...