./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product44_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6cfbc2d5-6c39-4059-b148-e8f7e1183ff5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6cfbc2d5-6c39-4059-b148-e8f7e1183ff5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6cfbc2d5-6c39-4059-b148-e8f7e1183ff5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6cfbc2d5-6c39-4059-b148-e8f7e1183ff5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product44_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6cfbc2d5-6c39-4059-b148-e8f7e1183ff5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6cfbc2d5-6c39-4059-b148-e8f7e1183ff5/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 a22c1e90e019171affadaeb315d0122780579e6b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 01:32:07,314 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 01:32:07,315 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 01:32:07,321 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 01:32:07,321 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 01:32:07,321 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 01:32:07,322 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 01:32:07,323 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 01:32:07,323 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 01:32:07,324 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 01:32:07,324 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 01:32:07,324 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 01:32:07,325 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 01:32:07,325 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 01:32:07,326 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 01:32:07,326 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 01:32:07,327 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 01:32:07,327 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 01:32:07,328 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 01:32:07,329 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 01:32:07,330 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 01:32:07,330 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 01:32:07,331 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 01:32:07,331 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 01:32:07,332 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 01:32:07,332 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 01:32:07,332 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 01:32:07,333 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 01:32:07,333 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 01:32:07,334 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 01:32:07,334 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 01:32:07,334 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 01:32:07,334 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 01:32:07,334 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 01:32:07,335 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 01:32:07,335 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 01:32:07,335 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6cfbc2d5-6c39-4059-b148-e8f7e1183ff5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 01:32:07,343 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 01:32:07,343 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 01:32:07,343 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 01:32:07,343 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 01:32:07,344 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 01:32:07,344 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 01:32:07,344 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 01:32:07,344 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 01:32:07,344 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 01:32:07,344 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 01:32:07,344 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 01:32:07,344 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 01:32:07,344 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 01:32:07,345 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 01:32:07,345 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 01:32:07,345 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 01:32:07,345 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 01:32:07,345 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 01:32:07,345 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 01:32:07,345 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 01:32:07,345 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 01:32:07,345 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 01:32:07,345 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 01:32:07,346 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 01:32:07,346 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 01:32:07,346 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 01:32:07,346 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 01:32:07,346 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 01:32:07,346 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 01:32:07,346 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 01:32:07,346 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 01:32:07,346 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 01:32:07,346 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 01:32:07,347 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 01:32:07,347 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 01:32:07,347 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 01:32:07,347 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_6cfbc2d5-6c39-4059-b148-e8f7e1183ff5/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 -> a22c1e90e019171affadaeb315d0122780579e6b [2018-12-02 01:32:07,364 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 01:32:07,374 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 01:32:07,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 01:32:07,377 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 01:32:07,378 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 01:32:07,378 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6cfbc2d5-6c39-4059-b148-e8f7e1183ff5/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product44_true-unreach-call_false-termination.cil.c [2018-12-02 01:32:07,416 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6cfbc2d5-6c39-4059-b148-e8f7e1183ff5/bin-2019/utaipan/data/7f2b4e28b/69b7957cbb744da388959012fb9f7344/FLAGcc81897fa [2018-12-02 01:32:07,858 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 01:32:07,858 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6cfbc2d5-6c39-4059-b148-e8f7e1183ff5/sv-benchmarks/c/product-lines/minepump_spec5_product44_true-unreach-call_false-termination.cil.c [2018-12-02 01:32:07,864 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6cfbc2d5-6c39-4059-b148-e8f7e1183ff5/bin-2019/utaipan/data/7f2b4e28b/69b7957cbb744da388959012fb9f7344/FLAGcc81897fa [2018-12-02 01:32:07,872 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6cfbc2d5-6c39-4059-b148-e8f7e1183ff5/bin-2019/utaipan/data/7f2b4e28b/69b7957cbb744da388959012fb9f7344 [2018-12-02 01:32:07,874 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 01:32:07,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 01:32:07,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 01:32:07,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 01:32:07,877 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 01:32:07,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:32:07" (1/1) ... [2018-12-02 01:32:07,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:07, skipping insertion in model container [2018-12-02 01:32:07,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:32:07" (1/1) ... [2018-12-02 01:32:07,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 01:32:07,904 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 01:32:08,050 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:32:08,058 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 01:32:08,152 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:32:08,169 INFO L195 MainTranslator]: Completed translation [2018-12-02 01:32:08,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:08 WrapperNode [2018-12-02 01:32:08,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 01:32:08,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 01:32:08,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 01:32:08,170 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 01:32:08,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:08" (1/1) ... [2018-12-02 01:32:08,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:08" (1/1) ... [2018-12-02 01:32:08,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 01:32:08,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 01:32:08,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 01:32:08,194 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 01:32:08,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:08" (1/1) ... [2018-12-02 01:32:08,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:08" (1/1) ... [2018-12-02 01:32:08,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:08" (1/1) ... [2018-12-02 01:32:08,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:08" (1/1) ... [2018-12-02 01:32:08,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:08" (1/1) ... [2018-12-02 01:32:08,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:08" (1/1) ... [2018-12-02 01:32:08,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:08" (1/1) ... [2018-12-02 01:32:08,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 01:32:08,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 01:32:08,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 01:32:08,221 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 01:32:08,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6cfbc2d5-6c39-4059-b148-e8f7e1183ff5/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 01:32:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 01:32:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 01:32:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 01:32:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 01:32:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 01:32:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 01:32:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 01:32:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 01:32:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 01:32:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 01:32:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 01:32:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 01:32:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 01:32:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 01:32:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 01:32:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 01:32:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 01:32:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 01:32:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 01:32:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 01:32:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 01:32:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 01:32:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 01:32:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 01:32:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 01:32:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 01:32:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 01:32:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 01:32:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 01:32:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 01:32:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 01:32:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 01:32:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 01:32:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 01:32:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 01:32:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 01:32:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 01:32:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 01:32:08,258 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 01:32:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-02 01:32:08,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-02 01:32:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-02 01:32:08,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-02 01:32:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-02 01:32:08,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-02 01:32:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 01:32:08,258 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 01:32:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 01:32:08,258 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 01:32:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 01:32:08,258 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 01:32:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 01:32:08,258 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 01:32:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-02 01:32:08,259 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-02 01:32:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 01:32:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 01:32:08,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 01:32:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 01:32:08,259 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 01:32:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 01:32:08,259 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 01:32:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 01:32:08,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 01:32:08,558 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 01:32:08,558 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 01:32:08,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:32:08 BoogieIcfgContainer [2018-12-02 01:32:08,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 01:32:08,559 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 01:32:08,559 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 01:32:08,561 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 01:32:08,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:32:07" (1/3) ... [2018-12-02 01:32:08,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ee24b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:32:08, skipping insertion in model container [2018-12-02 01:32:08,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:08" (2/3) ... [2018-12-02 01:32:08,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ee24b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:32:08, skipping insertion in model container [2018-12-02 01:32:08,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:32:08" (3/3) ... [2018-12-02 01:32:08,563 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44_true-unreach-call_false-termination.cil.c [2018-12-02 01:32:08,569 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 01:32:08,574 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 01:32:08,583 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 01:32:08,601 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 01:32:08,602 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 01:32:08,602 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 01:32:08,602 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 01:32:08,602 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 01:32:08,602 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 01:32:08,602 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 01:32:08,602 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 01:32:08,614 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2018-12-02 01:32:08,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-02 01:32:08,619 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:32:08,620 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] [2018-12-02 01:32:08,621 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:32:08,624 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:32:08,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1967497921, now seen corresponding path program 1 times [2018-12-02 01:32:08,626 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:32:08,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:32:08,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:32:08,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:32:08,654 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:32:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:32:08,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 01:32:08,768 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:32:08,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 01:32:08,768 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:32:08,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 01:32:08,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 01:32:08,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 01:32:08,780 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 2 states. [2018-12-02 01:32:08,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:32:08,805 INFO L93 Difference]: Finished difference Result 282 states and 343 transitions. [2018-12-02 01:32:08,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 01:32:08,806 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-02 01:32:08,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:32:08,814 INFO L225 Difference]: With dead ends: 282 [2018-12-02 01:32:08,814 INFO L226 Difference]: Without dead ends: 143 [2018-12-02 01:32:08,816 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 01:32:08,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-12-02 01:32:08,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-12-02 01:32:08,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-12-02 01:32:08,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 165 transitions. [2018-12-02 01:32:08,849 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 165 transitions. Word has length 59 [2018-12-02 01:32:08,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:32:08,849 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 165 transitions. [2018-12-02 01:32:08,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 01:32:08,849 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 165 transitions. [2018-12-02 01:32:08,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 01:32:08,851 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:32:08,851 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] [2018-12-02 01:32:08,851 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:32:08,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:32:08,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1179276103, now seen corresponding path program 1 times [2018-12-02 01:32:08,851 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:32:08,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:32:08,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:32:08,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:32:08,852 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:32:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:32:08,906 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 01:32:08,906 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:32:08,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 01:32:08,906 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:32:08,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 01:32:08,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 01:32:08,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 01:32:08,908 INFO L87 Difference]: Start difference. First operand 143 states and 165 transitions. Second operand 3 states. [2018-12-02 01:32:08,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:32:08,921 INFO L93 Difference]: Finished difference Result 218 states and 251 transitions. [2018-12-02 01:32:08,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 01:32:08,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-02 01:32:08,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:32:08,923 INFO L225 Difference]: With dead ends: 218 [2018-12-02 01:32:08,923 INFO L226 Difference]: Without dead ends: 134 [2018-12-02 01:32:08,923 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 01:32:08,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-12-02 01:32:08,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-12-02 01:32:08,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-12-02 01:32:08,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 153 transitions. [2018-12-02 01:32:08,931 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 153 transitions. Word has length 60 [2018-12-02 01:32:08,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:32:08,931 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 153 transitions. [2018-12-02 01:32:08,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 01:32:08,931 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 153 transitions. [2018-12-02 01:32:08,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 01:32:08,932 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:32:08,932 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] [2018-12-02 01:32:08,932 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:32:08,933 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:32:08,933 INFO L82 PathProgramCache]: Analyzing trace with hash -302547009, now seen corresponding path program 1 times [2018-12-02 01:32:08,933 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:32:08,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:32:08,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:32:08,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:32:08,933 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:32:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:32:09,011 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 01:32:09,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:32:09,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 01:32:09,011 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:32:09,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 01:32:09,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 01:32:09,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 01:32:09,012 INFO L87 Difference]: Start difference. First operand 134 states and 153 transitions. Second operand 7 states. [2018-12-02 01:32:09,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:32:09,247 INFO L93 Difference]: Finished difference Result 402 states and 479 transitions. [2018-12-02 01:32:09,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 01:32:09,247 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-12-02 01:32:09,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:32:09,249 INFO L225 Difference]: With dead ends: 402 [2018-12-02 01:32:09,250 INFO L226 Difference]: Without dead ends: 296 [2018-12-02 01:32:09,250 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 01:32:09,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2018-12-02 01:32:09,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 272. [2018-12-02 01:32:09,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2018-12-02 01:32:09,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 322 transitions. [2018-12-02 01:32:09,278 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 322 transitions. Word has length 65 [2018-12-02 01:32:09,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:32:09,278 INFO L480 AbstractCegarLoop]: Abstraction has 272 states and 322 transitions. [2018-12-02 01:32:09,278 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 01:32:09,279 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 322 transitions. [2018-12-02 01:32:09,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 01:32:09,281 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:32:09,281 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] [2018-12-02 01:32:09,281 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:32:09,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:32:09,281 INFO L82 PathProgramCache]: Analyzing trace with hash 242721131, now seen corresponding path program 1 times [2018-12-02 01:32:09,282 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:32:09,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:32:09,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:32:09,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:32:09,283 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:32:09,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:32:09,369 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 01:32:09,370 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:32:09,370 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 01:32:09,370 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:32:09,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 01:32:09,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 01:32:09,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 01:32:09,371 INFO L87 Difference]: Start difference. First operand 272 states and 322 transitions. Second operand 7 states. [2018-12-02 01:32:09,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:32:09,740 INFO L93 Difference]: Finished difference Result 682 states and 859 transitions. [2018-12-02 01:32:09,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 01:32:09,740 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-12-02 01:32:09,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:32:09,742 INFO L225 Difference]: With dead ends: 682 [2018-12-02 01:32:09,742 INFO L226 Difference]: Without dead ends: 438 [2018-12-02 01:32:09,743 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 01:32:09,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2018-12-02 01:32:09,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 390. [2018-12-02 01:32:09,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2018-12-02 01:32:09,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 462 transitions. [2018-12-02 01:32:09,769 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 462 transitions. Word has length 70 [2018-12-02 01:32:09,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:32:09,769 INFO L480 AbstractCegarLoop]: Abstraction has 390 states and 462 transitions. [2018-12-02 01:32:09,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 01:32:09,769 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 462 transitions. [2018-12-02 01:32:09,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 01:32:09,771 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:32:09,772 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:32:09,772 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:32:09,772 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:32:09,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1416188496, now seen corresponding path program 1 times [2018-12-02 01:32:09,772 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:32:09,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:32:09,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:32:09,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:32:09,773 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:32:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:32:09,849 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 01:32:09,849 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:32:09,849 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 01:32:09,849 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:32:09,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 01:32:09,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 01:32:09,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 01:32:09,850 INFO L87 Difference]: Start difference. First operand 390 states and 462 transitions. Second operand 6 states. [2018-12-02 01:32:09,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:32:09,885 INFO L93 Difference]: Finished difference Result 766 states and 932 transitions. [2018-12-02 01:32:09,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 01:32:09,885 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-12-02 01:32:09,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:32:09,887 INFO L225 Difference]: With dead ends: 766 [2018-12-02 01:32:09,887 INFO L226 Difference]: Without dead ends: 404 [2018-12-02 01:32:09,888 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 01:32:09,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2018-12-02 01:32:09,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 400. [2018-12-02 01:32:09,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2018-12-02 01:32:09,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 472 transitions. [2018-12-02 01:32:09,910 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 472 transitions. Word has length 103 [2018-12-02 01:32:09,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:32:09,910 INFO L480 AbstractCegarLoop]: Abstraction has 400 states and 472 transitions. [2018-12-02 01:32:09,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 01:32:09,911 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 472 transitions. [2018-12-02 01:32:09,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 01:32:09,912 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:32:09,912 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:32:09,912 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:32:09,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:32:09,912 INFO L82 PathProgramCache]: Analyzing trace with hash 829390958, now seen corresponding path program 1 times [2018-12-02 01:32:09,912 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:32:09,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:32:09,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:32:09,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:32:09,913 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:32:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:32:09,973 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 01:32:09,973 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:32:09,973 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 01:32:09,973 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:32:09,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 01:32:09,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 01:32:09,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 01:32:09,974 INFO L87 Difference]: Start difference. First operand 400 states and 472 transitions. Second operand 8 states. [2018-12-02 01:32:10,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:32:10,006 INFO L93 Difference]: Finished difference Result 786 states and 952 transitions. [2018-12-02 01:32:10,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 01:32:10,006 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-12-02 01:32:10,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:32:10,008 INFO L225 Difference]: With dead ends: 786 [2018-12-02 01:32:10,008 INFO L226 Difference]: Without dead ends: 414 [2018-12-02 01:32:10,009 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 01:32:10,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2018-12-02 01:32:10,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 408. [2018-12-02 01:32:10,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2018-12-02 01:32:10,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 480 transitions. [2018-12-02 01:32:10,030 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 480 transitions. Word has length 103 [2018-12-02 01:32:10,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:32:10,030 INFO L480 AbstractCegarLoop]: Abstraction has 408 states and 480 transitions. [2018-12-02 01:32:10,030 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 01:32:10,030 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 480 transitions. [2018-12-02 01:32:10,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 01:32:10,031 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:32:10,032 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:32:10,032 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:32:10,032 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:32:10,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1798971981, now seen corresponding path program 1 times [2018-12-02 01:32:10,032 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:32:10,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:32:10,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:32:10,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:32:10,033 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:32:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:32:10,084 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 01:32:10,084 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:32:10,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 01:32:10,085 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:32:10,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 01:32:10,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 01:32:10,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 01:32:10,085 INFO L87 Difference]: Start difference. First operand 408 states and 480 transitions. Second operand 4 states. [2018-12-02 01:32:10,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:32:10,224 INFO L93 Difference]: Finished difference Result 1274 states and 1571 transitions. [2018-12-02 01:32:10,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 01:32:10,224 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-12-02 01:32:10,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:32:10,227 INFO L225 Difference]: With dead ends: 1274 [2018-12-02 01:32:10,227 INFO L226 Difference]: Without dead ends: 894 [2018-12-02 01:32:10,228 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 01:32:10,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2018-12-02 01:32:10,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 877. [2018-12-02 01:32:10,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 877 states. [2018-12-02 01:32:10,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1058 transitions. [2018-12-02 01:32:10,258 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1058 transitions. Word has length 103 [2018-12-02 01:32:10,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:32:10,259 INFO L480 AbstractCegarLoop]: Abstraction has 877 states and 1058 transitions. [2018-12-02 01:32:10,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 01:32:10,259 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1058 transitions. [2018-12-02 01:32:10,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 01:32:10,260 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:32:10,260 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:32:10,260 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:32:10,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:32:10,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1310725267, now seen corresponding path program 1 times [2018-12-02 01:32:10,261 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:32:10,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:32:10,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:32:10,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:32:10,261 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:32:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:32:10,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 01:32:10,361 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:32:10,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 01:32:10,361 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:32:10,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 01:32:10,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 01:32:10,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-02 01:32:10,362 INFO L87 Difference]: Start difference. First operand 877 states and 1058 transitions. Second operand 9 states. [2018-12-02 01:32:11,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:32:11,029 INFO L93 Difference]: Finished difference Result 2428 states and 3059 transitions. [2018-12-02 01:32:11,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 01:32:11,029 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 107 [2018-12-02 01:32:11,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:32:11,034 INFO L225 Difference]: With dead ends: 2428 [2018-12-02 01:32:11,034 INFO L226 Difference]: Without dead ends: 1755 [2018-12-02 01:32:11,035 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-12-02 01:32:11,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2018-12-02 01:32:11,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1552. [2018-12-02 01:32:11,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1552 states. [2018-12-02 01:32:11,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1552 states and 1852 transitions. [2018-12-02 01:32:11,085 INFO L78 Accepts]: Start accepts. Automaton has 1552 states and 1852 transitions. Word has length 107 [2018-12-02 01:32:11,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:32:11,085 INFO L480 AbstractCegarLoop]: Abstraction has 1552 states and 1852 transitions. [2018-12-02 01:32:11,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 01:32:11,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1852 transitions. [2018-12-02 01:32:11,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-02 01:32:11,087 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:32:11,087 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:32:11,087 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:32:11,087 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:32:11,088 INFO L82 PathProgramCache]: Analyzing trace with hash 519249508, now seen corresponding path program 1 times [2018-12-02 01:32:11,088 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:32:11,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:32:11,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:32:11,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:32:11,088 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:32:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:32:11,170 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 01:32:11,171 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:32:11,171 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 01:32:11,171 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-12-02 01:32:11,173 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [63], [65], [66], [69], [72], [74], [77], [84], [87], [88], [92], [93], [94], [95], [104], [108], [112], [115], [118], [120], [126], [128], [134], [140], [148], [149], [150], [151], [152], [154], [159], [162], [163], [165], [170], [172], [173], [174], [175], [212], [215], [219], [225], [226], [227], [230], [234], [235], [243], [247], [248], [251], [252], [253], [254], [255], [256], [257], [259], [260], [261], [262], [263], [264], [265], [266], [267], [271], [272], [273], [275], [276], [277], [278], [279], [280], [283], [284], [285], [286], [293], [294], [297], [298], [299], [300], [301], [302], [307], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317] [2018-12-02 01:32:11,198 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 01:32:11,198 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 01:32:12,161 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 01:32:12,162 INFO L272 AbstractInterpreter]: Visited 120 different actions 531 times. Merged at 16 different actions 46 times. Never widened. Performed 18336 root evaluator evaluations with a maximum evaluation depth of 3. Performed 18336 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 135 variables. [2018-12-02 01:32:12,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:32:12,167 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 01:32:12,168 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:32:12,168 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6cfbc2d5-6c39-4059-b148-e8f7e1183ff5/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 01:32:12,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:32:12,174 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 01:32:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:32:12,251 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:32:12,339 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:32:12,339 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 01:32:12,520 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 01:32:12,536 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 01:32:12,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-12-02 01:32:12,537 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 01:32:12,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-02 01:32:12,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-02 01:32:12,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-12-02 01:32:12,537 INFO L87 Difference]: Start difference. First operand 1552 states and 1852 transitions. Second operand 16 states. [2018-12-02 01:32:13,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:32:13,221 INFO L93 Difference]: Finished difference Result 3309 states and 4100 transitions. [2018-12-02 01:32:13,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-02 01:32:13,221 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 151 [2018-12-02 01:32:13,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:32:13,226 INFO L225 Difference]: With dead ends: 3309 [2018-12-02 01:32:13,226 INFO L226 Difference]: Without dead ends: 1955 [2018-12-02 01:32:13,229 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 294 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=204, Invalid=1056, Unknown=0, NotChecked=0, Total=1260 [2018-12-02 01:32:13,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1955 states. [2018-12-02 01:32:13,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1955 to 1537. [2018-12-02 01:32:13,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1537 states. [2018-12-02 01:32:13,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 1788 transitions. [2018-12-02 01:32:13,287 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 1788 transitions. Word has length 151 [2018-12-02 01:32:13,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:32:13,287 INFO L480 AbstractCegarLoop]: Abstraction has 1537 states and 1788 transitions. [2018-12-02 01:32:13,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-02 01:32:13,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 1788 transitions. [2018-12-02 01:32:13,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-02 01:32:13,290 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:32:13,290 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:32:13,290 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:32:13,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:32:13,291 INFO L82 PathProgramCache]: Analyzing trace with hash 451022014, now seen corresponding path program 1 times [2018-12-02 01:32:13,291 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:32:13,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:32:13,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:32:13,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:32:13,291 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:32:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:32:13,344 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2018-12-02 01:32:13,344 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:32:13,344 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 01:32:13,344 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:32:13,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 01:32:13,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 01:32:13,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 01:32:13,345 INFO L87 Difference]: Start difference. First operand 1537 states and 1788 transitions. Second operand 3 states. [2018-12-02 01:32:13,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:32:13,391 INFO L93 Difference]: Finished difference Result 2430 states and 2832 transitions. [2018-12-02 01:32:13,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 01:32:13,391 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 274 [2018-12-02 01:32:13,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:32:13,394 INFO L225 Difference]: With dead ends: 2430 [2018-12-02 01:32:13,394 INFO L226 Difference]: Without dead ends: 955 [2018-12-02 01:32:13,396 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 01:32:13,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2018-12-02 01:32:13,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 935. [2018-12-02 01:32:13,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 935 states. [2018-12-02 01:32:13,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1072 transitions. [2018-12-02 01:32:13,428 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1072 transitions. Word has length 274 [2018-12-02 01:32:13,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:32:13,428 INFO L480 AbstractCegarLoop]: Abstraction has 935 states and 1072 transitions. [2018-12-02 01:32:13,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 01:32:13,429 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1072 transitions. [2018-12-02 01:32:13,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-12-02 01:32:13,431 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:32:13,431 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:32:13,431 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:32:13,431 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:32:13,432 INFO L82 PathProgramCache]: Analyzing trace with hash -562519819, now seen corresponding path program 1 times [2018-12-02 01:32:13,432 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:32:13,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:32:13,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:32:13,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:32:13,432 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:32:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:32:13,558 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 124 proven. 14 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2018-12-02 01:32:13,558 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:32:13,558 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 01:32:13,558 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 310 with the following transitions: [2018-12-02 01:32:13,558 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [50], [55], [56], [57], [58], [59], [63], [65], [66], [67], [68], [69], [72], [74], [77], [84], [87], [88], [92], [93], [94], [95], [104], [108], [112], [115], [118], [120], [126], [128], [131], [134], [137], [140], [148], [149], [150], [151], [152], [154], [159], [162], [163], [165], [170], [172], [173], [174], [175], [212], [215], [219], [222], [225], [226], [227], [230], [234], [235], [239], [240], [243], [247], [248], [251], [252], [253], [254], [255], [256], [257], [259], [260], [261], [262], [263], [264], [265], [266], [267], [269], [270], [271], [272], [273], [275], [276], [277], [278], [279], [280], [283], [284], [285], [286], [289], [290], [291], [292], [293], [294], [297], [298], [299], [300], [301], [302], [307], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317] [2018-12-02 01:32:13,560 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 01:32:13,561 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 01:32:14,676 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 01:32:14,676 INFO L272 AbstractInterpreter]: Visited 136 different actions 970 times. Merged at 24 different actions 93 times. Widened at 1 different actions 1 times. Performed 33576 root evaluator evaluations with a maximum evaluation depth of 3. Performed 33576 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 27 fixpoints after 7 different actions. Largest state had 135 variables. [2018-12-02 01:32:14,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:32:14,678 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 01:32:14,678 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:32:14,678 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6cfbc2d5-6c39-4059-b148-e8f7e1183ff5/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 01:32:14,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:32:14,685 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 01:32:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:32:14,781 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:32:14,955 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 259 proven. 4 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-12-02 01:32:14,956 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 01:32:15,387 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2018-12-02 01:32:15,403 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 01:32:15,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 13] total 27 [2018-12-02 01:32:15,404 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 01:32:15,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-02 01:32:15,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-02 01:32:15,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=588, Unknown=0, NotChecked=0, Total=702 [2018-12-02 01:32:15,405 INFO L87 Difference]: Start difference. First operand 935 states and 1072 transitions. Second operand 19 states. [2018-12-02 01:32:16,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:32:16,809 INFO L93 Difference]: Finished difference Result 2360 states and 3010 transitions. [2018-12-02 01:32:16,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-02 01:32:16,809 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 309 [2018-12-02 01:32:16,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:32:16,810 INFO L225 Difference]: With dead ends: 2360 [2018-12-02 01:32:16,810 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 01:32:16,813 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 659 GetRequests, 605 SyntacticMatches, 10 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=420, Invalid=1650, Unknown=0, NotChecked=0, Total=2070 [2018-12-02 01:32:16,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 01:32:16,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 01:32:16,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 01:32:16,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 01:32:16,813 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 309 [2018-12-02 01:32:16,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:32:16,813 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 01:32:16,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-02 01:32:16,813 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 01:32:16,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 01:32:16,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 01:32:16,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:16,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:16,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:32:17,552 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 27 [2018-12-02 01:32:17,735 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 37 [2018-12-02 01:32:17,929 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 42 [2018-12-02 01:32:18,231 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 51 [2018-12-02 01:32:18,600 WARN L180 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 54 [2018-12-02 01:32:19,075 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 33 [2018-12-02 01:32:19,947 WARN L180 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 52 [2018-12-02 01:32:20,312 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2018-12-02 01:32:20,319 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 803 809) the Hoare annotation is: true [2018-12-02 01:32:20,319 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 803 809) no Hoare annotation was computed. [2018-12-02 01:32:20,319 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 810 818) no Hoare annotation was computed. [2018-12-02 01:32:20,319 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 810 818) the Hoare annotation is: true [2018-12-02 01:32:20,319 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 810 818) no Hoare annotation was computed. [2018-12-02 01:32:20,319 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 928 935) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-12-02 01:32:20,319 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 928 935) no Hoare annotation was computed. [2018-12-02 01:32:20,319 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 928 935) no Hoare annotation was computed. [2018-12-02 01:32:20,319 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 936 945) the Hoare annotation is: (let ((.cse3 (< 2 ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse4 .cse5 (or .cse0 .cse2) .cse3) (or .cse3 (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse4) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse5 (<= 1 ~switchedOnBeforeTS~0) (not (= ~waterLevel~0 1))))) [2018-12-02 01:32:20,319 INFO L448 ceAbstractionStarter]: For program point L941(line 941) no Hoare annotation was computed. [2018-12-02 01:32:20,319 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 936 945) no Hoare annotation was computed. [2018-12-02 01:32:20,319 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 936 945) no Hoare annotation was computed. [2018-12-02 01:32:20,320 INFO L444 ceAbstractionStarter]: At program point L961(line 961) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 0))) (.cse3 (< 1 ~waterLevel~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse4) (or .cse3 .cse5 (or .cse6 .cse4)) (or .cse5 .cse4 (or .cse6 .cse2)) (or .cse3 (or .cse6 .cse1 .cse4)) (or .cse6 .cse1 .cse4 .cse2))) [2018-12-02 01:32:20,320 INFO L448 ceAbstractionStarter]: For program point L959(lines 959 965) no Hoare annotation was computed. [2018-12-02 01:32:20,320 INFO L448 ceAbstractionStarter]: For program point L958(lines 958 968) no Hoare annotation was computed. [2018-12-02 01:32:20,320 INFO L444 ceAbstractionStarter]: At program point L956(line 956) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 0))) (.cse7 (= __utac_acc__Specification5_spec__3_~tmp~8 ~waterLevel~0)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (or .cse5 .cse2)) (or .cse6 .cse7 (or .cse5 .cse1 .cse4)) (or .cse6 .cse0 .cse1 .cse4 .cse7) (or .cse6 .cse3 (or .cse5 .cse4) .cse7) (or .cse5 .cse1 .cse4 .cse2))) [2018-12-02 01:32:20,320 INFO L448 ceAbstractionStarter]: For program point L956-1(line 956) no Hoare annotation was computed. [2018-12-02 01:32:20,320 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 971) no Hoare annotation was computed. [2018-12-02 01:32:20,320 INFO L448 ceAbstractionStarter]: For program point L954-1(lines 946 974) no Hoare annotation was computed. [2018-12-02 01:32:20,320 INFO L451 ceAbstractionStarter]: At program point L952(line 952) the Hoare annotation is: true [2018-12-02 01:32:20,320 INFO L448 ceAbstractionStarter]: For program point L952-1(line 952) no Hoare annotation was computed. [2018-12-02 01:32:20,320 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 946 974) the Hoare annotation is: true [2018-12-02 01:32:20,320 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 946 974) no Hoare annotation was computed. [2018-12-02 01:32:20,320 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 894 916) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 01:32:20,320 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 894 916) no Hoare annotation was computed. [2018-12-02 01:32:20,320 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 894 916) no Hoare annotation was computed. [2018-12-02 01:32:20,320 INFO L444 ceAbstractionStarter]: At program point L906(line 906) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-02 01:32:20,320 INFO L444 ceAbstractionStarter]: At program point L906-1(line 906) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-02 01:32:20,320 INFO L448 ceAbstractionStarter]: For program point L904(lines 904 911) no Hoare annotation was computed. [2018-12-02 01:32:20,320 INFO L448 ceAbstractionStarter]: For program point L904-1(lines 904 911) no Hoare annotation was computed. [2018-12-02 01:32:20,320 INFO L448 ceAbstractionStarter]: For program point L902(line 902) no Hoare annotation was computed. [2018-12-02 01:32:20,320 INFO L444 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 01:32:20,321 INFO L444 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 01:32:20,321 INFO L444 ceAbstractionStarter]: At program point L900-1(line 900) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 01:32:20,321 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 688 702) no Hoare annotation was computed. [2018-12-02 01:32:20,321 INFO L444 ceAbstractionStarter]: At program point L694(line 694) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~waterLevel~0 2))) (or (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0)) (or (< 1 ~waterLevel~0) (or .cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (or .cse0 (not (= ~waterLevel~0 1))))) [2018-12-02 01:32:20,321 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 688 702) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 (not (= ~waterLevel~0 2)))) (or (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) .cse2) (or .cse1 .cse0 (not (= ~waterLevel~0 1))) (or .cse2 (or .cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) [2018-12-02 01:32:20,321 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 688 702) no Hoare annotation was computed. [2018-12-02 01:32:20,321 INFO L448 ceAbstractionStarter]: For program point L692(lines 692 698) no Hoare annotation was computed. [2018-12-02 01:32:20,321 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 624 632) no Hoare annotation was computed. [2018-12-02 01:32:20,321 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 624 632) the Hoare annotation is: true [2018-12-02 01:32:20,321 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 624 632) no Hoare annotation was computed. [2018-12-02 01:32:20,321 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 796 802) no Hoare annotation was computed. [2018-12-02 01:32:20,321 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 796 802) the Hoare annotation is: true [2018-12-02 01:32:20,321 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 883 893) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 01:32:20,321 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 883 893) no Hoare annotation was computed. [2018-12-02 01:32:20,321 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 01:32:20,321 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 883 893) no Hoare annotation was computed. [2018-12-02 01:32:20,321 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 613 623) the Hoare annotation is: true [2018-12-02 01:32:20,321 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 613 623) no Hoare annotation was computed. [2018-12-02 01:32:20,321 INFO L451 ceAbstractionStarter]: At program point L618(line 618) the Hoare annotation is: true [2018-12-02 01:32:20,321 INFO L448 ceAbstractionStarter]: For program point L618-1(line 618) no Hoare annotation was computed. [2018-12-02 01:32:20,322 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 613 623) no Hoare annotation was computed. [2018-12-02 01:32:20,322 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 605 612) the Hoare annotation is: (or (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0)) [2018-12-02 01:32:20,322 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 605 612) no Hoare annotation was computed. [2018-12-02 01:32:20,322 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 605 612) no Hoare annotation was computed. [2018-12-02 01:32:20,322 INFO L444 ceAbstractionStarter]: At program point L573(line 573) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse3 (or .cse1 .cse2 .cse0)) (or .cse3 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) [2018-12-02 01:32:20,322 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 554 578) no Hoare annotation was computed. [2018-12-02 01:32:20,322 INFO L444 ceAbstractionStarter]: At program point L568(line 568) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (< 2 ~waterLevel~0) (and (= processEnvironment_~tmp~3 0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-12-02 01:32:20,322 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 554 578) no Hoare annotation was computed. [2018-12-02 01:32:20,322 INFO L444 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (< 2 ~waterLevel~0) (and (= 2 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-12-02 01:32:20,322 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 554 578) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse0 (or .cse4 .cse1 .cse2) .cse3) (or .cse3 .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))))) [2018-12-02 01:32:20,322 INFO L448 ceAbstractionStarter]: For program point L562(lines 562 570) no Hoare annotation was computed. [2018-12-02 01:32:20,322 INFO L444 ceAbstractionStarter]: At program point L560(line 560) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse0 (or .cse3 .cse1 .cse2) .cse4) (or .cse4 .cse2 (or .cse3 .cse1 (not (= ~waterLevel~0 2)))))) [2018-12-02 01:32:20,322 INFO L448 ceAbstractionStarter]: For program point L560-1(line 560) no Hoare annotation was computed. [2018-12-02 01:32:20,322 INFO L448 ceAbstractionStarter]: For program point L558(lines 558 575) no Hoare annotation was computed. [2018-12-02 01:32:20,322 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-12-02 01:32:20,322 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-12-02 01:32:20,322 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-12-02 01:32:20,322 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-12-02 01:32:20,322 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 546 552) no Hoare annotation was computed. [2018-12-02 01:32:20,322 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 546 552) the Hoare annotation is: true [2018-12-02 01:32:20,323 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 713 780) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 01:32:20,323 INFO L444 ceAbstractionStarter]: At program point L735(line 735) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 1)) (.cse9 (= 0 ~pumpRunning~0)) (.cse5 (= test_~splverifierCounter~0 0))) (let ((.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 2 ~waterLevel~0)) (.cse7 (= ~systemActive~0 0)) (.cse6 (<= ~waterLevel~0 1)) (.cse8 (and .cse9 .cse5)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (and .cse9 .cse4 .cse5))) (or (and .cse0 .cse1 .cse2) (and .cse1 .cse3 .cse4 .cse5) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse3 .cse4 .cse5 .cse2) (and .cse0 .cse6 .cse2) (and .cse7 .cse1 .cse8 .cse2) (and .cse7 .cse6 .cse8 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= 1 ~waterLevel~0))))) [2018-12-02 01:32:20,323 INFO L448 ceAbstractionStarter]: For program point L733(lines 733 739) no Hoare annotation was computed. [2018-12-02 01:32:20,323 INFO L448 ceAbstractionStarter]: For program point L733-1(lines 733 739) no Hoare annotation was computed. [2018-12-02 01:32:20,323 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 713 780) no Hoare annotation was computed. [2018-12-02 01:32:20,323 INFO L448 ceAbstractionStarter]: For program point L725(lines 725 729) no Hoare annotation was computed. [2018-12-02 01:32:20,323 INFO L444 ceAbstractionStarter]: At program point L773(lines 722 774) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 01:32:20,323 INFO L444 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse1) (and (<= ~waterLevel~0 1) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-12-02 01:32:20,323 INFO L448 ceAbstractionStarter]: For program point L761(lines 761 767) no Hoare annotation was computed. [2018-12-02 01:32:20,323 INFO L444 ceAbstractionStarter]: At program point L761-1(lines 753 768) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse4 (= 2 ~waterLevel~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2) (and .cse5 .cse4 .cse1 .cse2) (and .cse5 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (and (and .cse5 .cse2) (= ~systemActive~0 0) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (and .cse5 (<= ~waterLevel~0 2) .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)))) [2018-12-02 01:32:20,324 INFO L448 ceAbstractionStarter]: For program point L724(lines 723 772) no Hoare annotation was computed. [2018-12-02 01:32:20,324 INFO L444 ceAbstractionStarter]: At program point L755(line 755) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (and .cse1 .cse3 .cse2) (not (= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 1) (and .cse0 .cse2 .cse4)) (and (<= ~waterLevel~0 2) .cse3 .cse2 .cse4))) [2018-12-02 01:32:20,324 INFO L448 ceAbstractionStarter]: For program point L753(lines 753 768) no Hoare annotation was computed. [2018-12-02 01:32:20,324 INFO L444 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse1 .cse2 .cse5) (and (= ~systemActive~0 0) .cse0 .cse3 .cse2 .cse5) (and .cse0 .cse6 .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2 .cse5) (and .cse6 .cse4 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)))) [2018-12-02 01:32:20,324 INFO L448 ceAbstractionStarter]: For program point L743(lines 743 749) no Hoare annotation was computed. [2018-12-02 01:32:20,324 INFO L448 ceAbstractionStarter]: For program point L743-1(lines 743 749) no Hoare annotation was computed. [2018-12-02 01:32:20,324 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 713 780) no Hoare annotation was computed. [2018-12-02 01:32:20,324 INFO L444 ceAbstractionStarter]: At program point L770(lines 723 772) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0)) (.cse7 (<= ~waterLevel~0 1)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse4 .cse0 .cse3 .cse6) (and .cse4 .cse7 .cse2 .cse3 .cse6) (and .cse5 .cse4 .cse7 .cse3 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse7 .cse1 .cse2 .cse3 .cse6) (and .cse4 .cse0 .cse2 .cse3 .cse6) (not (= |old(~waterLevel~0)| 1)))) [2018-12-02 01:32:20,324 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 579 586) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-12-02 01:32:20,324 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 579 586) no Hoare annotation was computed. [2018-12-02 01:32:20,324 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 579 586) no Hoare annotation was computed. [2018-12-02 01:32:20,324 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 01:32:20,324 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-02 01:32:20,324 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 01:32:20,324 INFO L444 ceAbstractionStarter]: At program point L593(line 593) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-12-02 01:32:20,324 INFO L448 ceAbstractionStarter]: For program point L593-1(line 593) no Hoare annotation was computed. [2018-12-02 01:32:20,325 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 588 604) no Hoare annotation was computed. [2018-12-02 01:32:20,325 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 588 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-12-02 01:32:20,325 INFO L444 ceAbstractionStarter]: At program point L599(line 599) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-12-02 01:32:20,325 INFO L448 ceAbstractionStarter]: For program point L599-1(lines 588 604) no Hoare annotation was computed. [2018-12-02 01:32:20,325 INFO L448 ceAbstractionStarter]: For program point L595(lines 595 601) no Hoare annotation was computed. [2018-12-02 01:32:20,325 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 669 687) no Hoare annotation was computed. [2018-12-02 01:32:20,325 INFO L448 ceAbstractionStarter]: For program point L678(lines 678 682) no Hoare annotation was computed. [2018-12-02 01:32:20,325 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 669 687) the Hoare annotation is: true [2018-12-02 01:32:20,325 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 669 687) no Hoare annotation was computed. [2018-12-02 01:32:20,325 INFO L451 ceAbstractionStarter]: At program point L676(line 676) the Hoare annotation is: true [2018-12-02 01:32:20,325 INFO L448 ceAbstractionStarter]: For program point L678-2(lines 678 682) no Hoare annotation was computed. [2018-12-02 01:32:20,325 INFO L448 ceAbstractionStarter]: For program point L676-1(line 676) no Hoare annotation was computed. [2018-12-02 01:32:20,325 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2018-12-02 01:32:20,325 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2018-12-02 01:32:20,325 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2018-12-02 01:32:20,325 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-12-02 01:32:20,325 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2018-12-02 01:32:20,325 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-12-02 01:32:20,325 INFO L448 ceAbstractionStarter]: For program point L832(line 832) no Hoare annotation was computed. [2018-12-02 01:32:20,325 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 821 850) no Hoare annotation was computed. [2018-12-02 01:32:20,325 INFO L451 ceAbstractionStarter]: At program point L831-2(lines 831 845) the Hoare annotation is: true [2018-12-02 01:32:20,325 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 821 850) the Hoare annotation is: true [2018-12-02 01:32:20,325 INFO L451 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: true [2018-12-02 01:32:20,325 INFO L448 ceAbstractionStarter]: For program point L827-1(line 827) no Hoare annotation was computed. [2018-12-02 01:32:20,325 INFO L451 ceAbstractionStarter]: At program point L846(lines 821 850) the Hoare annotation is: true [2018-12-02 01:32:20,326 INFO L448 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2018-12-02 01:32:20,326 INFO L448 ceAbstractionStarter]: For program point L835(lines 835 839) no Hoare annotation was computed. [2018-12-02 01:32:20,326 INFO L451 ceAbstractionStarter]: At program point L835-1(lines 835 839) the Hoare annotation is: true [2018-12-02 01:32:20,326 INFO L444 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse6 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= ~waterLevel~0 1) .cse2 .cse5)) (.cse1 (< 1 |old(~waterLevel~0)|)) (.cse9 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (and (= 0 ~pumpRunning~0) .cse3 .cse5)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse7 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse0) (or .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 .cse9) (or .cse6 .cse7 .cse8 .cse10) (or .cse1 (or .cse0 .cse8 .cse9) .cse11) (or (or .cse0 .cse8 .cse10) .cse11) (or .cse0 .cse8 .cse11 .cse4) (or (= 1 ~waterLevel~0) (or (or .cse8 .cse10) .cse7))))) [2018-12-02 01:32:20,326 INFO L444 ceAbstractionStarter]: At program point L533(lines 533 539) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse8 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse9 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= ~waterLevel~0 1) .cse4 .cse8)) (.cse6 (< 1 |old(~waterLevel~0)|)) (.cse11 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 ~pumpRunning~0) .cse5 .cse8)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse10 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 .cse3) (and .cse4 .cse5)) (or .cse6 (and .cse4 .cse5 .cse7 .cse8) .cse9 .cse10 .cse2 .cse11) (or .cse0 (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse1) (or .cse9 .cse10 .cse2 .cse3) (or .cse6 (or .cse1 .cse2 .cse11) .cse0) (or .cse1 .cse2 .cse0 .cse7) (or (= 1 ~waterLevel~0) (or (or .cse2 .cse3) .cse10))))) [2018-12-02 01:32:20,326 INFO L444 ceAbstractionStarter]: At program point L528(line 528) the Hoare annotation is: (let ((.cse6 (and (= ~pumpRunning~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (not (= ~systemActive~0 0)) .cse0 .cse1) (or .cse1 .cse2 .cse3) (or .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (< 1 |old(~waterLevel~0)|) .cse4 .cse2 .cse5 .cse6) (or .cse6 (or (or .cse2 .cse3) .cse4)) (or (or .cse1 .cse2 .cse5) .cse0))) [2018-12-02 01:32:20,326 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 519 545) the Hoare annotation is: (let ((.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)))) (let ((.cse9 (or .cse7 .cse2 .cse3)) (.cse10 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse12 (and (= ~pumpRunning~0 1) .cse13)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (< 2 |old(~waterLevel~0)|)) (.cse6 (and (= 0 ~pumpRunning~0) .cse13)) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= ~systemActive~0 0))) (.cse11 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse0 .cse4) (or .cse10 .cse5 .cse7 .cse6) (or .cse7 .cse2 .cse6 .cse11) (or .cse10 .cse9 .cse6) (or .cse12 (or (or .cse2 .cse8) .cse1)) (or .cse10 .cse1 .cse2 .cse3 .cse12) (or .cse4 .cse5 (or .cse7 .cse3) .cse0) (or .cse6 (or .cse7 .cse2 .cse8)) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse7 .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse11)))) [2018-12-02 01:32:20,326 INFO L448 ceAbstractionStarter]: For program point L526(lines 522 544) no Hoare annotation was computed. [2018-12-02 01:32:20,326 INFO L448 ceAbstractionStarter]: For program point L524(lines 522 544) no Hoare annotation was computed. [2018-12-02 01:32:20,326 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 519 545) no Hoare annotation was computed. [2018-12-02 01:32:20,326 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 519 545) no Hoare annotation was computed. [2018-12-02 01:32:20,326 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-12-02 01:32:20,326 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-12-02 01:32:20,326 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-12-02 01:32:20,326 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (or (< 2 |old(~waterLevel~0)|) (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-02 01:32:20,326 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-12-02 01:32:20,326 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-12-02 01:32:20,327 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 875 881) no Hoare annotation was computed. [2018-12-02 01:32:20,327 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 875 881) the Hoare annotation is: true [2018-12-02 01:32:20,327 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 01:32:20,327 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-12-02 01:32:20,327 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 01:32:20,327 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 01:32:20,327 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 703 710) no Hoare annotation was computed. [2018-12-02 01:32:20,327 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 703 710) the Hoare annotation is: true [2018-12-02 01:32:20,327 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 703 710) no Hoare annotation was computed. [2018-12-02 01:32:20,327 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-12-02 01:32:20,327 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-12-02 01:32:20,327 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse5 (or .cse4 .cse7)) (.cse1 (not (= ~systemActive~0 0))) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse8 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse2 .cse6) (or .cse7 .cse8 .cse3 .cse6) (or (or .cse4 .cse7 (not (= |old(~waterLevel~0)| 1))) .cse3) (or .cse0 .cse5 .cse2 .cse3) (or .cse3 .cse1 .cse2 .cse4 .cse6) (or .cse0 .cse7 .cse8 .cse2 .cse3)))) [2018-12-02 01:32:20,327 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2018-12-02 01:32:20,327 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 918 925) no Hoare annotation was computed. [2018-12-02 01:32:20,327 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2018-12-02 01:32:20,327 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2018-12-02 01:32:20,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:32:20 BoogieIcfgContainer [2018-12-02 01:32:20,338 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 01:32:20,338 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 01:32:20,338 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 01:32:20,339 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 01:32:20,339 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:32:08" (3/4) ... [2018-12-02 01:32:20,342 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 01:32:20,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 01:32:20,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 01:32:20,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-02 01:32:20,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-02 01:32:20,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-02 01:32:20,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 01:32:20,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-02 01:32:20,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 01:32:20,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 01:32:20,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 01:32:20,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 01:32:20,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 01:32:20,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 01:32:20,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 01:32:20,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 01:32:20,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 01:32:20,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-02 01:32:20,347 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 01:32:20,347 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 01:32:20,347 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 01:32:20,347 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-02 01:32:20,347 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 01:32:20,347 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 01:32:20,347 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 01:32:20,347 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 01:32:20,347 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 01:32:20,347 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 01:32:20,347 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 01:32:20,347 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 01:32:20,347 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 01:32:20,352 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-02 01:32:20,353 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 01:32:20,353 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 01:32:20,353 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 01:32:20,354 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 01:32:20,354 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 01:32:20,372 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((systemActive == 0 && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || ((((waterLevel <= 1 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-12-02 01:32:20,372 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-02 01:32:20,403 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6cfbc2d5-6c39-4059-b148-e8f7e1183ff5/bin-2019/utaipan/witness.graphml [2018-12-02 01:32:20,403 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 01:32:20,403 INFO L168 Benchmark]: Toolchain (without parser) took 12529.05 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 707.8 MB). Free memory was 948.1 MB in the beginning and 845.5 MB in the end (delta: 102.6 MB). Peak memory consumption was 810.4 MB. Max. memory is 11.5 GB. [2018-12-02 01:32:20,404 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 01:32:20,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -122.9 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-02 01:32:20,404 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.15 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 01:32:20,404 INFO L168 Benchmark]: Boogie Preprocessor took 26.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 01:32:20,404 INFO L168 Benchmark]: RCFGBuilder took 336.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 11.5 GB. [2018-12-02 01:32:20,404 INFO L168 Benchmark]: TraceAbstraction took 11779.50 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 626.0 MB). Free memory was 1.0 GB in the beginning and 845.5 MB in the end (delta: 175.0 MB). Peak memory consumption was 801.2 MB. Max. memory is 11.5 GB. [2018-12-02 01:32:20,404 INFO L168 Benchmark]: Witness Printer took 64.41 ms. Allocated memory is still 1.7 GB. Free memory is still 845.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 01:32:20,405 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -122.9 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.15 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 336.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11779.50 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 626.0 MB). Free memory was 1.0 GB in the beginning and 845.5 MB in the end (delta: 175.0 MB). Peak memory consumption was 801.2 MB. Max. memory is 11.5 GB. * Witness Printer took 64.41 ms. Allocated memory is still 1.7 GB. Free memory is still 845.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: 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: 723]: Loop Invariant Derived loop invariant: (((((((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((systemActive == 0 && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || ((((waterLevel <= 1 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 156 locations, 1 error locations. SAFE Result, 11.7s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 3.7s AutomataDifference, 0.0s DeadEndRemovalTime, 3.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 2165 SDtfs, 1872 SDslu, 6601 SDs, 0 SdLazy, 5608 SolverSat, 798 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1082 GetRequests, 937 SyntacticMatches, 16 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 703 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1552occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.1s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 740 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 2812 PreInvPairs, 3163 NumberOfFragments, 2547 HoareAnnotationTreeSize, 2812 FomulaSimplifications, 30362 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 64 FomulaSimplificationsInter, 21488 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1864 NumberOfCodeBlocks, 1864 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2309 ConstructedInterpolants, 0 QuantifiedInterpolants, 723135 SizeOfPredicates, 10 NumberOfNonLiveVariables, 2203 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 1469/1558 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...